A double shaft shredder is an industrial size reduction machine that uses two counter-rotating shafts equipped with cutting blades to tear, shear, and shred various materials. It is widely used in plastic recycling, tire recycling, municipal solid waste (MSW), electronic waste, RDF production, and industrial waste treatment. Compared with conventional crushers, double shaft shredders provide higher torque, lower operating speed, and better handling of bulky or difficult materials.<\/p>\n
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[\/et_pb_text][\/et_pb_column][et_pb_column type=”3_5″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Dual-shaft-shredder.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”87.6%” min_height=”209px” custom_margin=”-29px|6px|19px|39px||” custom_padding=”2px||0px|171px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”816.8px” custom_margin=”-15px|auto|2px|auto||” custom_padding=”2px|12px|5px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”738.9px” custom_margin=”38px||15px|||” custom_padding=”0px||6px|||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Introduction<\/b><\/strong><\/h1>\nAs global recycling and waste management industries continue to expand, efficient size reduction equipment has become increasingly important.<\/p>\n
Among the various recycling machines available today, the double shaft shredder is one of the most widely used solutions for processing large-volume and high-strength waste materials.<\/p>\n
Its ability to handle diverse feedstocks makes it a key component in modern recycling systems.<\/p>\n
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\u30c0\u30d6\u30eb\u30b7\u30e3\u30d5\u30c8\u30b7\u30e5\u30ec\u30c3\u30c0\u30fc\u3068\u306f\uff1f<\/b><\/strong><\/h1>\nDefinition<\/b><\/strong><\/h2>\nA double shaft shredder is a low-speed, high-torque shredding machine consisting of two parallel shafts fitted with interlocking cutting blades.<\/p>\n
The machine reduces material size through:<\/p>\n
\n- Cutting<\/li>\n
- Shearing<\/li>\n
- Tearing<\/li>\n
- Crushing<\/li>\n<\/ul>\n
Unlike high-speed granulators, double shaft shredders focus on primary size reduction and are designed to process tough, bulky, or contaminated materials.<\/p>\n
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[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ custom_margin=”||-14px|||” custom_padding=”3px||0px|||” global_colors_info=”{}”][et_pb_row column_structure=”2_5,3_5″ _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”8px|||||” global_colors_info=”{}”][et_pb_column type=”2_5″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”-12px|-593px||||” custom_padding=”8px|0px||||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Typical Materials Processed<\/b><\/strong><\/h1>\nDouble shaft shredders are commonly used for:<\/p>\n
\u2705 Industrial Waste\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2705 Waste Paper<\/p>\n
\u2705 Automobile Shells\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2705 Construction Wood<\/p>\n
\u2705 Large Plastic Products\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2705 Plastic Films<\/p>\n
\u2705 RDF Feedstock\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u2705 Metal Drums<\/p>\n
\u2705 Waste Household Appliances\u00a0 \u00a0 \u00a0 \u2705 Tires<\/p>\n
\u2705 Municipal Solid Waste (MSW)<\/p>\n
For recycling applications, they are often installed before crushers, granulators, or washing systems.<\/p>\n
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[\/et_pb_text][\/et_pb_column][et_pb_column type=”3_5″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/material-image-1.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”80.1%” min_height=”209px” custom_margin=”11px||19px|59px||” custom_padding=”12px||0px|65px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”|auto|13px|auto||” custom_padding=”29px||0px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”123.9px” custom_margin=”38px||15px|||” custom_padding=”0px||0px|||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
How Does a \u30c0\u30d6\u30eb\u30b7\u30e3\u30d5\u30c8\u30b7\u30e5\u30ec\u30c3\u30c0\u30fc<\/a><\/em><\/span> Work?<\/b><\/strong><\/h1>\nConclusion First<\/b><\/strong><\/h2>\nA double shaft shredder works by using two slow-speed rotating shafts that pull material into the cutting chamber and reduce it through shearing and tearing action.<\/p>\n
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[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”8px||0px|||” global_colors_info=”{}” custom_margin=”|auto|17px|auto||” min_height=”653.6px”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”-12px|-123px|51px|||” custom_padding=”8px|0px||||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”187.5%”]<\/p>\n
Step-by-Step Process<\/b><\/strong><\/h2>\nStep 1: Material Feeding<\/b><\/strong><\/h3>\nWaste materials are fed into the hopper manually or by conveyor.<\/p>\n
Step 2: Material Capture<\/b><\/strong><\/h3>\nThe rotating blades grip the material and pull it into the cutting zone.<\/p>\n
Step 3: Shearing and Tearing<\/b><\/strong><\/h3>\nThe interlocking knives generate high torque to tear and shear the material into smaller pieces.<\/p>\n
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[\/et_pb_text][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Knife-roller.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”100%” min_height=”6px” custom_margin=”-38px|70px|65px|1px||” custom_padding=”0px|0px|2px|0px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”96.9px” custom_margin=”288px|-23px|10px|||” custom_padding=”9px|2px|0px|19px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”88.6%”]<\/p>\n
Step 4: Discharge<\/b><\/strong><\/h3>\nProcessed material exits through the bottom of the shredding chamber.<\/p>\n
Step 5: Secondary Processing<\/b><\/strong><\/h3>\nThe shredded material may be sent to:<\/p>\n
\n- Crushers<\/li>\n
- Granulators<\/li>\n
- Washing lines<\/li>\n
- RDF systems<\/li>\n<\/ul>\n
<\/ol>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”||0px|||”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”123.9px” custom_margin=”-2px||15px|||” custom_padding=”0px||0px|||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Key Technical Parameters<\/b><\/strong><\/h1>\n![\"\"](\"https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Parameters2.jpg\")
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Actual specifications vary depending on material type and project requirements.<\/p>\n
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Important Performance Indicators<\/b><\/strong><\/h2>\nTorque<\/b><\/strong><\/h3>\nHigh torque allows shredding of difficult materials such as tires and thick plastics.<\/p>\n
Throughput<\/b><\/strong><\/h3>\nDetermines production capacity and system efficiency.<\/p>\n
Blade Material<\/b><\/strong><\/h3>\nCommon blade materials include:<\/p>\n
\n- D2 tool steel<\/li>\n
- SKD11 steel<\/li>\n
- Alloy steel<\/li>\n<\/ul>\n
\u51fa\u529b\u30b5\u30a4\u30ba<\/b><\/strong><\/h3>\nCan be adjusted through blade configuration and screen design.<\/p>\n
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Benefits of <\/b>Double Shaft Shredders<\/a><\/em><\/span><\/strong><\/h1>\n![\"\"](\"https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Key-Benefits.jpg\")
<\/em><\/span><\/strong><\/p>\n1. High Torque Performance<\/b><\/strong><\/h2>\nSuitable for processing bulky and hard materials.<\/p>\n
2. Wide Material Compatibility<\/b><\/strong><\/h2>\nCan handle mixed waste streams and various recyclable materials.<\/p>\n
3. Low Dust Generation<\/b><\/strong><\/h2>\nLow-speed operation minimizes dust emissions.<\/p>\n
4. Lower Noise Levels<\/b><\/strong><\/h2>\nOperating speeds are significantly lower than conventional crushers.<\/p>\n
5. Improved Equipment Protection<\/b><\/strong><\/h2>\nAutomatic reverse systems help prevent overload and blade damage.<\/p>\n
6. Reduced Maintenance Costs<\/b><\/strong><\/h2>\nDurable blades and low-speed operation extend machine life.<\/p>\n
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<\/span>Common Problems<\/b><\/strong><\/h1>\n![\"\"](\"https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Frequently-Asked-Questions.jpg\")
<\/b><\/strong><\/p>\nBlade Wear<\/b><\/strong><\/h2>\nContinuous operation causes blade edges to become dull.<\/p>\n
Impact<\/b><\/strong><\/h3>\n\n- Reduced efficiency<\/li>\n
- \u30a8\u30cd\u30eb\u30ae\u30fc\u6d88\u8cbb\u306e\u5897\u52a0<\/li>\n<\/ul>\n
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Material Jamming<\/b><\/strong><\/h2>\nLarge or irregular materials may become trapped.<\/p>\n
Impact<\/b><\/strong><\/h3>\n\n- Reduced throughput<\/li>\n
- Motor overload<\/li>\n<\/ul>\n
Bearing Failure<\/b><\/strong><\/h2>\nInsufficient lubrication can cause premature bearing wear.<\/p>\n
Impact<\/b><\/strong><\/h3>\n\n- Downtime<\/li>\n
- Higher maintenance costs<\/li>\n<\/ul>\n
Overheating<\/b><\/strong><\/h2>\nExcessive load may increase motor temperature.<\/p>\n
Impact<\/b><\/strong><\/h3>\n\n- Reduced equipment lifespan<\/li>\n<\/ul>\n
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Solutions<\/b><\/strong><\/h1>\n![\"\"](\"https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Solutions.jpg\")
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<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\nRegular Blade Maintenance<\/b><\/strong><\/h2>\nInspect and sharpen blades periodically.<\/p>\n
Install Automatic Reverse Function<\/b><\/strong><\/h2>\nAllows the machine to clear blockages automatically.<\/p>\n
Proper Material Feeding<\/b><\/strong><\/h2>\nAvoid overloading the hopper.<\/p>\n
Preventive Maintenance Program<\/b><\/strong><\/h2>\nRegular inspection of:<\/p>\n
\n- Bearings<\/li>\n
- Hydraulic systems<\/li>\n
- Gearboxes<\/li>\n
- Electrical components<\/li>\n<\/ul>\n
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<\/span>\u30c0\u30d6\u30eb\u30b7\u30e3\u30d5\u30c8\u30b7\u30e5\u30ec\u30c3\u30c0\u30fc<\/a><\/span><\/em> vs \u30af\u30e9\u30c3\u30b7\u30e3\u30fc<\/span><\/em><\/a><\/b><\/strong><\/h1>\n<\/b><\/strong><\/p>\n![\"\"](\"https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Comparison-2.jpg\")
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\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/b><\/strong><\/b><\/strong><\/h1>\nWhat is the main purpose of a double shaft shredder?<\/b><\/strong><\/h2>\nIt is used for primary size reduction of bulky waste materials before further recycling processes.<\/p>\n
What materials can a double shaft shredder process?<\/b><\/strong><\/h2>\nPlastics, tires, wood, metals, electronic waste, RDF feedstock, and municipal solid waste.<\/p>\n
What is the difference between a single shaft and a double shaft shredder?<\/b><\/strong><\/h2>\nSingle shaft shredders use one rotor and a screen for controlled particle size, while double shaft shredders focus on high-torque primary shredding.<\/p>\n
How long do shredder blades last?<\/b><\/strong><\/h2>\nBlade lifespan depends on material type and operating conditions, typically ranging from several months to several years.<\/p>\n
Is a double shaft shredder suitable for plastic recycling?<\/b><\/strong><\/h2>\nYes. It is widely used for shredding plastic films, PET bottles, HDPE containers, pipes, and industrial plastic waste.<\/p>\n
Can a double shaft shredder be used for RDF production?<\/b><\/strong><\/h2>\nYes. Double shaft shredders are commonly used as the primary shredding equipment in RDF processing lines.<\/p>\n
\u7d50\u8ad6<\/b><\/strong><\/h1>\nA double shaft shredder is one of the most important machines in modern waste recycling and resource recovery systems. Its high torque, low-speed operation, and ability to process a wide range of materials make it an ideal solution for plastic recycling, RDF production, tire recycling, and industrial waste treatment.<\/p>\n
Selecting the appropriate machine based on material characteristics, throughput requirements, and downstream processing needs is essential for achieving optimal performance and operating efficiency.<\/p>\n
<\/p>\n
\u30b9\u30c8\u30ea\u30fc\u30e0\u30e9\u30a4\u30f3\u30fb\u30a8\u30b3\u30fb\u30c6\u30c3\u30af<\/a><\/span><\/em> \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/b><\/strong><\/h1>\nStreamline Eco Tech provides advanced double shaft shredding solutions for plastic recycling, RDF production, municipal solid waste processing, and industrial waste management.<\/span><\/p>\nOur shredders are engineered for high efficiency, reliable operation, and long service life, helping recycling facilities improve material recovery and reduce operational costs.<\/p>\n
Learn more about our shredding and recycling solutions at:<\/p>\n
\n- https:\/\/slecotech.com\/product\/double-shaft-shredder\/<\/u><\/a><\/span><\/li>\n
- https:\/\/slecotech.com\/blog\/<\/u><\/a><\/span><\/li>\n
- https:\/\/slecotech.com\/<\/a><\/a><\/u><\/span><\/li>\n<\/ul>\n
![\"\"](\"https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Factory.jpg\")
<\/u><\/span><\/p>\n<\/ol>\n<\/p>\n
[et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]\u3002<\/p>","protected":false},"excerpt":{"rendered":"
A double shaft shredder is a low-speed, high-torque machine used for processing plastic, metal, tires, wood, and industrial waste.<\/p>","protected":false},"author":2,"featured_media":1672,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"\n
1. Overview of Single-Shaft Shredders<\/strong><\/strong><\/p>\n\n\n\nThe single-shaft shredder is an industrial crushing device designed with a single rotating shaft and blades. Driven by a motor, it cuts, tears, and grinds materials. Compact in structure and highly adaptable, it is widely used to process plastics, wood, rubber, thin metal sheets, and more, particularly in small-to-medium-scale waste recycling scenarios.<\/p>\n\n\n\n![\"\"](\"http:\/\/49.51.38.20\/wp-content\/uploads\/2025\/01\/Single-shaft-shredder-1.png\")
<\/figure>\n\n\n\n2. Core Structure & Working Principle<\/strong><\/p>\n\n\n\nKey Components<\/strong><\/p>\n\n\n\n\n- Blade Shaft System<\/strong>: Multiple sets of carbide blades mounted on a single shaft, driven by hydraulics or a motor for high-speed rotation;<\/li>\n\n\n\n
- Screen Mesh<\/strong>: Replaceable mesh at the bottom controls output particle size;<\/li>\n\n\n\n
- Enclosed Chamber<\/strong>: Sealed structure reduces noise and dust emissions<\/li>\n<\/ul>\n\n\n\n
Working Process<\/strong><\/p>\n\n\n\nMaterials are fed into the hopper, where blades decompose waste into uniform fragments through a combination of shearing and tearing. Particles meeting the mesh size are discharged automatically, while oversized fragments undergo repeated crushing.<\/p>\n\n\n\n
Applications & Advantages<\/strong><\/p>\n\n\n\nTypical Applications<\/strong><\/p>\n\n\n\n\n- Plastic Recycling<\/strong>: Shredding PET bottles, films, and injection molding scraps to improve recycled pellet production efficiency;<\/li>\n\n\n\n
- Wood Processing<\/strong>: Crushing furniture waste and branches to generate raw materials for biomass fuel;<\/li>\n\n\n\n
- E-Waste Recycling<\/strong>: Decomposing circuit boards and cables to separate metals from plastics.<\/li>\n<\/ul>\n\n\n\n
Key Advantages<\/strong><\/p>\n\n\n\n\n- Low-Speed, High-Torque<\/strong>: Handles hard or tough materials while minimizing jamming risks;<\/li>\n\n\n\n
Definition<\/b><\/strong><\/h2>\nA double shaft shredder is a low-speed, high-torque shredding machine consisting of two parallel shafts fitted with interlocking cutting blades.<\/p>\n
The machine reduces material size through:<\/p>\n
\n- Cutting<\/li>\n
- Shearing<\/li>\n
- Tearing<\/li>\n
- Crushing<\/li>\n<\/ul>\n
Unlike high-speed granulators, double shaft shredders focus on primary size reduction and are designed to process tough, bulky, or contaminated materials.<\/p>\n
<\/ol>\n<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ custom_margin=”||-14px|||” custom_padding=”3px||0px|||” global_colors_info=”{}”][et_pb_row column_structure=”2_5,3_5″ _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”8px|||||” global_colors_info=”{}”][et_pb_column type=”2_5″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”-12px|-593px||||” custom_padding=”8px|0px||||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Typical Materials Processed<\/b><\/strong><\/h1>\nDouble shaft shredders are commonly used for:<\/p>\n
\u2705 Industrial Waste\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2705 Waste Paper<\/p>\n
\u2705 Automobile Shells\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2705 Construction Wood<\/p>\n
\u2705 Large Plastic Products\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2705 Plastic Films<\/p>\n
\u2705 RDF Feedstock\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u2705 Metal Drums<\/p>\n
\u2705 Waste Household Appliances\u00a0 \u00a0 \u00a0 \u2705 Tires<\/p>\n
\u2705 Municipal Solid Waste (MSW)<\/p>\n
For recycling applications, they are often installed before crushers, granulators, or washing systems.<\/p>\n
<\/p>\n
[\/et_pb_text][\/et_pb_column][et_pb_column type=”3_5″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/material-image-1.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”80.1%” min_height=”209px” custom_margin=”11px||19px|59px||” custom_padding=”12px||0px|65px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”|auto|13px|auto||” custom_padding=”29px||0px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”123.9px” custom_margin=”38px||15px|||” custom_padding=”0px||0px|||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
How Does a \u30c0\u30d6\u30eb\u30b7\u30e3\u30d5\u30c8\u30b7\u30e5\u30ec\u30c3\u30c0\u30fc<\/a><\/em><\/span> Work?<\/b><\/strong><\/h1>\nConclusion First<\/b><\/strong><\/h2>\nA double shaft shredder works by using two slow-speed rotating shafts that pull material into the cutting chamber and reduce it through shearing and tearing action.<\/p>\n
<\/ol>\n<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”8px||0px|||” global_colors_info=”{}” custom_margin=”|auto|17px|auto||” min_height=”653.6px”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”-12px|-123px|51px|||” custom_padding=”8px|0px||||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”187.5%”]<\/p>\n
Step-by-Step Process<\/b><\/strong><\/h2>\nStep 1: Material Feeding<\/b><\/strong><\/h3>\nWaste materials are fed into the hopper manually or by conveyor.<\/p>\n
Step 2: Material Capture<\/b><\/strong><\/h3>\nThe rotating blades grip the material and pull it into the cutting zone.<\/p>\n
Step 3: Shearing and Tearing<\/b><\/strong><\/h3>\nThe interlocking knives generate high torque to tear and shear the material into smaller pieces.<\/p>\n
<\/p>\n
[\/et_pb_text][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Knife-roller.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”100%” min_height=”6px” custom_margin=”-38px|70px|65px|1px||” custom_padding=”0px|0px|2px|0px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”96.9px” custom_margin=”288px|-23px|10px|||” custom_padding=”9px|2px|0px|19px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”88.6%”]<\/p>\n
Step 4: Discharge<\/b><\/strong><\/h3>\nProcessed material exits through the bottom of the shredding chamber.<\/p>\n
Step 5: Secondary Processing<\/b><\/strong><\/h3>\nThe shredded material may be sent to:<\/p>\n
\n- Crushers<\/li>\n
- Granulators<\/li>\n
- Washing lines<\/li>\n
- RDF systems<\/li>\n<\/ul>\n
<\/ol>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”||0px|||”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”123.9px” custom_margin=”-2px||15px|||” custom_padding=”0px||0px|||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Key Technical Parameters<\/b><\/strong><\/h1>\n<\/p>\n
<\/p>\n
Actual specifications vary depending on material type and project requirements.<\/p>\n
<\/p>\n
Important Performance Indicators<\/b><\/strong><\/h2>\nTorque<\/b><\/strong><\/h3>\nHigh torque allows shredding of difficult materials such as tires and thick plastics.<\/p>\n
Throughput<\/b><\/strong><\/h3>\nDetermines production capacity and system efficiency.<\/p>\n
Blade Material<\/b><\/strong><\/h3>\nCommon blade materials include:<\/p>\n
\n- D2 tool steel<\/li>\n
- SKD11 steel<\/li>\n
- Alloy steel<\/li>\n<\/ul>\n
\u51fa\u529b\u30b5\u30a4\u30ba<\/b><\/strong><\/h3>\nCan be adjusted through blade configuration and screen design.<\/p>\n
<\/p>\n
Benefits of <\/b>Double Shaft Shredders<\/a><\/em><\/span><\/strong><\/h1>\n<\/em><\/span><\/strong><\/p>\n1. High Torque Performance<\/b><\/strong><\/h2>\nSuitable for processing bulky and hard materials.<\/p>\n
2. Wide Material Compatibility<\/b><\/strong><\/h2>\nCan handle mixed waste streams and various recyclable materials.<\/p>\n
3. Low Dust Generation<\/b><\/strong><\/h2>\nLow-speed operation minimizes dust emissions.<\/p>\n
4. Lower Noise Levels<\/b><\/strong><\/h2>\nOperating speeds are significantly lower than conventional crushers.<\/p>\n
5. Improved Equipment Protection<\/b><\/strong><\/h2>\nAutomatic reverse systems help prevent overload and blade damage.<\/p>\n
6. Reduced Maintenance Costs<\/b><\/strong><\/h2>\nDurable blades and low-speed operation extend machine life.<\/p>\n
<\/p>\n
<\/p>\n
<\/span>Common Problems<\/b><\/strong><\/h1>\n<\/b><\/strong><\/p>\nBlade Wear<\/b><\/strong><\/h2>\nContinuous operation causes blade edges to become dull.<\/p>\n
Impact<\/b><\/strong><\/h3>\n\n- Reduced efficiency<\/li>\n
- \u30a8\u30cd\u30eb\u30ae\u30fc\u6d88\u8cbb\u306e\u5897\u52a0<\/li>\n<\/ul>\n
<\/p>\n
Material Jamming<\/b><\/strong><\/h2>\nLarge or irregular materials may become trapped.<\/p>\n
Impact<\/b><\/strong><\/h3>\n\n- Reduced throughput<\/li>\n
- Motor overload<\/li>\n<\/ul>\n
Bearing Failure<\/b><\/strong><\/h2>\nInsufficient lubrication can cause premature bearing wear.<\/p>\n
Impact<\/b><\/strong><\/h3>\n\n- Downtime<\/li>\n
- Higher maintenance costs<\/li>\n<\/ul>\n
Overheating<\/b><\/strong><\/h2>\nExcessive load may increase motor temperature.<\/p>\n
Impact<\/b><\/strong><\/h3>\n\n- Reduced equipment lifespan<\/li>\n<\/ul>\n
<\/p>\n
<\/p>\n
<\/p>\n
Solutions<\/b><\/strong><\/h1>\n<\/p>\n
<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/h2>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\n<\/b><\/strong><\/p>\nRegular Blade Maintenance<\/b><\/strong><\/h2>\nInspect and sharpen blades periodically.<\/p>\n
Install Automatic Reverse Function<\/b><\/strong><\/h2>\nAllows the machine to clear blockages automatically.<\/p>\n
Proper Material Feeding<\/b><\/strong><\/h2>\nAvoid overloading the hopper.<\/p>\n
Preventive Maintenance Program<\/b><\/strong><\/h2>\nRegular inspection of:<\/p>\n
\n- Bearings<\/li>\n
- Hydraulic systems<\/li>\n
- Gearboxes<\/li>\n
- Electrical components<\/li>\n<\/ul>\n
<\/p>\n
<\/p>\n
<\/span>\u30c0\u30d6\u30eb\u30b7\u30e3\u30d5\u30c8\u30b7\u30e5\u30ec\u30c3\u30c0\u30fc<\/a><\/span><\/em> vs \u30af\u30e9\u30c3\u30b7\u30e3\u30fc<\/span><\/em><\/a><\/b><\/strong><\/h1>\n<\/b><\/strong><\/p>\n<\/p>\n
<\/p>\n
<\/p>\n
\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/b><\/strong><\/b><\/strong><\/h1>\nWhat is the main purpose of a double shaft shredder?<\/b><\/strong><\/h2>\nIt is used for primary size reduction of bulky waste materials before further recycling processes.<\/p>\n
What materials can a double shaft shredder process?<\/b><\/strong><\/h2>\nPlastics, tires, wood, metals, electronic waste, RDF feedstock, and municipal solid waste.<\/p>\n
What is the difference between a single shaft and a double shaft shredder?<\/b><\/strong><\/h2>\nSingle shaft shredders use one rotor and a screen for controlled particle size, while double shaft shredders focus on high-torque primary shredding.<\/p>\n
How long do shredder blades last?<\/b><\/strong><\/h2>\nBlade lifespan depends on material type and operating conditions, typically ranging from several months to several years.<\/p>\n
Is a double shaft shredder suitable for plastic recycling?<\/b><\/strong><\/h2>\nYes. It is widely used for shredding plastic films, PET bottles, HDPE containers, pipes, and industrial plastic waste.<\/p>\n
Can a double shaft shredder be used for RDF production?<\/b><\/strong><\/h2>\nYes. Double shaft shredders are commonly used as the primary shredding equipment in RDF processing lines.<\/p>\n
\u7d50\u8ad6<\/b><\/strong><\/h1>\nA double shaft shredder is one of the most important machines in modern waste recycling and resource recovery systems. Its high torque, low-speed operation, and ability to process a wide range of materials make it an ideal solution for plastic recycling, RDF production, tire recycling, and industrial waste treatment.<\/p>\n
Selecting the appropriate machine based on material characteristics, throughput requirements, and downstream processing needs is essential for achieving optimal performance and operating efficiency.<\/p>\n
<\/p>\n
\u30b9\u30c8\u30ea\u30fc\u30e0\u30e9\u30a4\u30f3\u30fb\u30a8\u30b3\u30fb\u30c6\u30c3\u30af<\/a><\/span><\/em> \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/b><\/strong><\/h1>\nStreamline Eco Tech provides advanced double shaft shredding solutions for plastic recycling, RDF production, municipal solid waste processing, and industrial waste management.<\/span><\/p>\nOur shredders are engineered for high efficiency, reliable operation, and long service life, helping recycling facilities improve material recovery and reduce operational costs.<\/p>\n
Learn more about our shredding and recycling solutions at:<\/p>\n
\n- https:\/\/slecotech.com\/product\/double-shaft-shredder\/<\/u><\/a><\/span><\/li>\n
- https:\/\/slecotech.com\/blog\/<\/u><\/a><\/span><\/li>\n
- https:\/\/slecotech.com\/<\/a><\/a><\/u><\/span><\/li>\n<\/ul>\n
<\/u><\/span><\/p>\n<\/ol>\n<\/p>\n
[et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]\u3002<\/p>","protected":false},"excerpt":{"rendered":"
A double shaft shredder is a low-speed, high-torque machine used for processing plastic, metal, tires, wood, and industrial waste.<\/p>","protected":false},"author":2,"featured_media":1672,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"\n
1. Overview of Single-Shaft Shredders<\/strong><\/strong><\/p>\n\n\n\nThe single-shaft shredder is an industrial crushing device designed with a single rotating shaft and blades. Driven by a motor, it cuts, tears, and grinds materials. Compact in structure and highly adaptable, it is widely used to process plastics, wood, rubber, thin metal sheets, and more, particularly in small-to-medium-scale waste recycling scenarios.<\/p>\n\n\n\n<\/figure>\n\n\n\n2. Core Structure & Working Principle<\/strong><\/p>\n\n\n\nKey Components<\/strong><\/p>\n\n\n\n\n- Blade Shaft System<\/strong>: Multiple sets of carbide blades mounted on a single shaft, driven by hydraulics or a motor for high-speed rotation;<\/li>\n\n\n\n
- Screen Mesh<\/strong>: Replaceable mesh at the bottom controls output particle size;<\/li>\n\n\n\n
- Enclosed Chamber<\/strong>: Sealed structure reduces noise and dust emissions<\/li>\n<\/ul>\n\n\n\n
Working Process<\/strong><\/p>\n\n\n\nMaterials are fed into the hopper, where blades decompose waste into uniform fragments through a combination of shearing and tearing. Particles meeting the mesh size are discharged automatically, while oversized fragments undergo repeated crushing.<\/p>\n\n\n\n
Applications & Advantages<\/strong><\/p>\n\n\n\nTypical Applications<\/strong><\/p>\n\n\n\n\n- Plastic Recycling<\/strong>: Shredding PET bottles, films, and injection molding scraps to improve recycled pellet production efficiency;<\/li>\n\n\n\n
- Wood Processing<\/strong>: Crushing furniture waste and branches to generate raw materials for biomass fuel;<\/li>\n\n\n\n
- E-Waste Recycling<\/strong>: Decomposing circuit boards and cables to separate metals from plastics.<\/li>\n<\/ul>\n\n\n\n
Key Advantages<\/strong><\/p>\n\n\n\n\n- Low-Speed, High-Torque<\/strong>: Handles hard or tough materials while minimizing jamming risks;<\/li>\n\n\n\n
Unlike high-speed granulators, double shaft shredders focus on primary size reduction and are designed to process tough, bulky, or contaminated materials.<\/p>\n
- <\/ol>\n
- Crushers<\/li>\n
- Granulators<\/li>\n
- Washing lines<\/li>\n
- RDF systems<\/li>\n<\/ul>\n
- <\/ol>\n
- D2 tool steel<\/li>\n
- SKD11 steel<\/li>\n
- Alloy steel<\/li>\n<\/ul>\n
\u51fa\u529b\u30b5\u30a4\u30ba<\/b><\/strong><\/h3>\n
Can be adjusted through blade configuration and screen design.<\/p>\n
<\/p>\n
Benefits of <\/b>Double Shaft Shredders<\/a><\/em><\/span><\/strong><\/h1>\n
<\/em><\/span><\/strong><\/p>\n1. High Torque Performance<\/b><\/strong><\/h2>\n
Suitable for processing bulky and hard materials.<\/p>\n
2. Wide Material Compatibility<\/b><\/strong><\/h2>\n
Can handle mixed waste streams and various recyclable materials.<\/p>\n
3. Low Dust Generation<\/b><\/strong><\/h2>\n
Low-speed operation minimizes dust emissions.<\/p>\n
4. Lower Noise Levels<\/b><\/strong><\/h2>\n
Operating speeds are significantly lower than conventional crushers.<\/p>\n
5. Improved Equipment Protection<\/b><\/strong><\/h2>\n
Automatic reverse systems help prevent overload and blade damage.<\/p>\n
6. Reduced Maintenance Costs<\/b><\/strong><\/h2>\n
Durable blades and low-speed operation extend machine life.<\/p>\n
<\/p>\n
<\/p>\n
<\/span>Common Problems<\/b><\/strong><\/h1>\n
<\/b><\/strong><\/p>\nBlade Wear<\/b><\/strong><\/h2>\n
Continuous operation causes blade edges to become dull.<\/p>\n
Impact<\/b><\/strong><\/h3>\n
- \n
- Reduced efficiency<\/li>\n
- \u30a8\u30cd\u30eb\u30ae\u30fc\u6d88\u8cbb\u306e\u5897\u52a0<\/li>\n<\/ul>\n
<\/p>\n
Material Jamming<\/b><\/strong><\/h2>\n
Large or irregular materials may become trapped.<\/p>\n
Impact<\/b><\/strong><\/h3>\n
- \n
- Reduced throughput<\/li>\n
- Motor overload<\/li>\n<\/ul>\n
Bearing Failure<\/b><\/strong><\/h2>\n
Insufficient lubrication can cause premature bearing wear.<\/p>\n
Impact<\/b><\/strong><\/h3>\n
- \n
- Downtime<\/li>\n
- Higher maintenance costs<\/li>\n<\/ul>\n
Overheating<\/b><\/strong><\/h2>\n
Excessive load may increase motor temperature.<\/p>\n
Impact<\/b><\/strong><\/h3>\n
- \n
- Reduced equipment lifespan<\/li>\n<\/ul>\n
<\/p>\n
<\/p>\n
<\/p>\n
Solutions<\/b><\/strong><\/h1>\n
<\/p>\n<\/b><\/strong><\/h2>\n
<\/b><\/strong><\/h2>\n
<\/b><\/strong><\/h2>\n
<\/b><\/strong><\/h2>\n
<\/b><\/strong><\/h2>\n
<\/b><\/strong><\/h2>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
<\/b><\/strong><\/p>\n
Regular Blade Maintenance<\/b><\/strong><\/h2>\n
Inspect and sharpen blades periodically.<\/p>\n
Install Automatic Reverse Function<\/b><\/strong><\/h2>\n
Allows the machine to clear blockages automatically.<\/p>\n
Proper Material Feeding<\/b><\/strong><\/h2>\n
Avoid overloading the hopper.<\/p>\n
Preventive Maintenance Program<\/b><\/strong><\/h2>\n
Regular inspection of:<\/p>\n
- \n
- Bearings<\/li>\n
- Hydraulic systems<\/li>\n
- Gearboxes<\/li>\n
- Electrical components<\/li>\n<\/ul>\n
<\/p>\n
<\/p>\n
<\/span>\u30c0\u30d6\u30eb\u30b7\u30e3\u30d5\u30c8\u30b7\u30e5\u30ec\u30c3\u30c0\u30fc<\/a><\/span><\/em> vs \u30af\u30e9\u30c3\u30b7\u30e3\u30fc<\/span><\/em><\/a><\/b><\/strong><\/h1>\n
<\/b><\/strong><\/p>\n
<\/p>\n<\/p>\n
<\/p>\n
\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/b><\/strong><\/b><\/strong><\/h1>\n
What is the main purpose of a double shaft shredder?<\/b><\/strong><\/h2>\n
It is used for primary size reduction of bulky waste materials before further recycling processes.<\/p>\n
What materials can a double shaft shredder process?<\/b><\/strong><\/h2>\n
Plastics, tires, wood, metals, electronic waste, RDF feedstock, and municipal solid waste.<\/p>\n
What is the difference between a single shaft and a double shaft shredder?<\/b><\/strong><\/h2>\n
Single shaft shredders use one rotor and a screen for controlled particle size, while double shaft shredders focus on high-torque primary shredding.<\/p>\n
How long do shredder blades last?<\/b><\/strong><\/h2>\n
Blade lifespan depends on material type and operating conditions, typically ranging from several months to several years.<\/p>\n
Is a double shaft shredder suitable for plastic recycling?<\/b><\/strong><\/h2>\n
Yes. It is widely used for shredding plastic films, PET bottles, HDPE containers, pipes, and industrial plastic waste.<\/p>\n
Can a double shaft shredder be used for RDF production?<\/b><\/strong><\/h2>\n
Yes. Double shaft shredders are commonly used as the primary shredding equipment in RDF processing lines.<\/p>\n
\u7d50\u8ad6<\/b><\/strong><\/h1>\n
A double shaft shredder is one of the most important machines in modern waste recycling and resource recovery systems. Its high torque, low-speed operation, and ability to process a wide range of materials make it an ideal solution for plastic recycling, RDF production, tire recycling, and industrial waste treatment.<\/p>\n
Selecting the appropriate machine based on material characteristics, throughput requirements, and downstream processing needs is essential for achieving optimal performance and operating efficiency.<\/p>\n
<\/p>\n
\u30b9\u30c8\u30ea\u30fc\u30e0\u30e9\u30a4\u30f3\u30fb\u30a8\u30b3\u30fb\u30c6\u30c3\u30af<\/a><\/span><\/em> \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/b><\/strong><\/h1>\n
Streamline Eco Tech provides advanced double shaft shredding solutions for plastic recycling, RDF production, municipal solid waste processing, and industrial waste management.<\/span><\/p>\n
Our shredders are engineered for high efficiency, reliable operation, and long service life, helping recycling facilities improve material recovery and reduce operational costs.<\/p>\n
Learn more about our shredding and recycling solutions at:<\/p>\n
- \n
- https:\/\/slecotech.com\/product\/double-shaft-shredder\/<\/u><\/a><\/span><\/li>\n
- https:\/\/slecotech.com\/blog\/<\/u><\/a><\/span><\/li>\n
- https:\/\/slecotech.com\/<\/a><\/a><\/u><\/span><\/li>\n<\/ul>\n
<\/u><\/span><\/p>\n- <\/ol>\n
- Blade Shaft System<\/strong>: Multiple sets of carbide blades mounted on a single shaft, driven by hydraulics or a motor for high-speed rotation;<\/li>\n\n\n\n
- Screen Mesh<\/strong>: Replaceable mesh at the bottom controls output particle size;<\/li>\n\n\n\n
- Enclosed Chamber<\/strong>: Sealed structure reduces noise and dust emissions<\/li>\n<\/ul>\n\n\n\n
Working Process<\/strong><\/p>\n\n\n\n
Materials are fed into the hopper, where blades decompose waste into uniform fragments through a combination of shearing and tearing. Particles meeting the mesh size are discharged automatically, while oversized fragments undergo repeated crushing.<\/p>\n\n\n\n
Applications & Advantages<\/strong><\/p>\n\n\n\n
Typical Applications<\/strong><\/p>\n\n\n\n
- \n
- Plastic Recycling<\/strong>: Shredding PET bottles, films, and injection molding scraps to improve recycled pellet production efficiency;<\/li>\n\n\n\n
- Wood Processing<\/strong>: Crushing furniture waste and branches to generate raw materials for biomass fuel;<\/li>\n\n\n\n
- E-Waste Recycling<\/strong>: Decomposing circuit boards and cables to separate metals from plastics.<\/li>\n<\/ul>\n\n\n\n
Key Advantages<\/strong><\/p>\n\n\n\n
- \n
- Low-Speed, High-Torque<\/strong>: Handles hard or tough materials while minimizing jamming risks;<\/li>\n\n\n\n
- Wood Processing<\/strong>: Crushing furniture waste and branches to generate raw materials for biomass fuel;<\/li>\n\n\n\n
- Screen Mesh<\/strong>: Replaceable mesh at the bottom controls output particle size;<\/li>\n\n\n\n
<\/p>\n
[et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]\u3002<\/p>","protected":false},"excerpt":{"rendered":"
A double shaft shredder is a low-speed, high-torque machine used for processing plastic, metal, tires, wood, and industrial waste.<\/p>","protected":false},"author":2,"featured_media":1672,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"\n
1. Overview of Single-Shaft Shredders<\/strong><\/strong><\/p>\n\n\n\n
The single-shaft shredder is an industrial crushing device designed with a single rotating shaft and blades. Driven by a motor, it cuts, tears, and grinds materials. Compact in structure and highly adaptable, it is widely used to process plastics, wood, rubber, thin metal sheets, and more, particularly in small-to-medium-scale waste recycling scenarios.<\/p>\n\n\n\n
<\/figure>\n\n\n\n2. Core Structure & Working Principle<\/strong><\/p>\n\n\n\n
Key Components<\/strong><\/p>\n\n\n\n
- \n
- https:\/\/slecotech.com\/blog\/<\/u><\/a><\/span><\/li>\n
- https:\/\/slecotech.com\/product\/double-shaft-shredder\/<\/u><\/a><\/span><\/li>\n
- Reduced equipment lifespan<\/li>\n<\/ul>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”||0px|||”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”123.9px” custom_margin=”-2px||15px|||” custom_padding=”0px||0px|||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Key Technical Parameters<\/b><\/strong><\/h1>\n
<\/p>\n<\/p>\n
Actual specifications vary depending on material type and project requirements.<\/p>\n
<\/p>\n
Important Performance Indicators<\/b><\/strong><\/h2>\n
Torque<\/b><\/strong><\/h3>\n
High torque allows shredding of difficult materials such as tires and thick plastics.<\/p>\n
Throughput<\/b><\/strong><\/h3>\n
Determines production capacity and system efficiency.<\/p>\n
Blade Material<\/b><\/strong><\/h3>\n
Common blade materials include:<\/p>\n
- \n
<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ custom_margin=”||-14px|||” custom_padding=”3px||0px|||” global_colors_info=”{}”][et_pb_row column_structure=”2_5,3_5″ _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”8px|||||” global_colors_info=”{}”][et_pb_column type=”2_5″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”-12px|-593px||||” custom_padding=”8px|0px||||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Typical Materials Processed<\/b><\/strong><\/h1>\nDouble shaft shredders are commonly used for:<\/p>\n
\u2705 Industrial Waste\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2705 Waste Paper<\/p>\n
\u2705 Automobile Shells\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2705 Construction Wood<\/p>\n
\u2705 Large Plastic Products\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2705 Plastic Films<\/p>\n
\u2705 RDF Feedstock\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u2705 Metal Drums<\/p>\n
\u2705 Waste Household Appliances\u00a0 \u00a0 \u00a0 \u2705 Tires<\/p>\n
\u2705 Municipal Solid Waste (MSW)<\/p>\n
For recycling applications, they are often installed before crushers, granulators, or washing systems.<\/p>\n
<\/p>\n
[\/et_pb_text][\/et_pb_column][et_pb_column type=”3_5″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/material-image-1.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”80.1%” min_height=”209px” custom_margin=”11px||19px|59px||” custom_padding=”12px||0px|65px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”|auto|13px|auto||” custom_padding=”29px||0px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”123.9px” custom_margin=”38px||15px|||” custom_padding=”0px||0px|||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
How Does a \u30c0\u30d6\u30eb\u30b7\u30e3\u30d5\u30c8\u30b7\u30e5\u30ec\u30c3\u30c0\u30fc<\/a><\/em><\/span> Work?<\/b><\/strong><\/h1>\nConclusion First<\/b><\/strong><\/h2>\nA double shaft shredder works by using two slow-speed rotating shafts that pull material into the cutting chamber and reduce it through shearing and tearing action.<\/p>\n
<\/ol>\n<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”8px||0px|||” global_colors_info=”{}” custom_margin=”|auto|17px|auto||” min_height=”653.6px”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”-12px|-123px|51px|||” custom_padding=”8px|0px||||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”187.5%”]<\/p>\n
Step-by-Step Process<\/b><\/strong><\/h2>\nStep 1: Material Feeding<\/b><\/strong><\/h3>\nWaste materials are fed into the hopper manually or by conveyor.<\/p>\n
Step 2: Material Capture<\/b><\/strong><\/h3>\nThe rotating blades grip the material and pull it into the cutting zone.<\/p>\n
Step 3: Shearing and Tearing<\/b><\/strong><\/h3>\nThe interlocking knives generate high torque to tear and shear the material into smaller pieces.<\/p>\n
<\/p>\n
[\/et_pb_text][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Knife-roller.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”100%” min_height=”6px” custom_margin=”-38px|70px|65px|1px||” custom_padding=”0px|0px|2px|0px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”96.9px” custom_margin=”288px|-23px|10px|||” custom_padding=”9px|2px|0px|19px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”88.6%”]<\/p>\n
Step 4: Discharge<\/b><\/strong><\/h3>\nProcessed material exits through the bottom of the shredding chamber.<\/p>\n
Step 5: Secondary Processing<\/b><\/strong><\/h3>\nThe shredded material may be sent to:<\/p>\n
\n
Conclusion First<\/b><\/strong><\/h2>\nA double shaft shredder works by using two slow-speed rotating shafts that pull material into the cutting chamber and reduce it through shearing and tearing action.<\/p>\n
<\/ol>\n<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”8px||0px|||” global_colors_info=”{}” custom_margin=”|auto|17px|auto||” min_height=”653.6px”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”-12px|-123px|51px|||” custom_padding=”8px|0px||||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”187.5%”]<\/p>\n
Step-by-Step Process<\/b><\/strong><\/h2>\nStep 1: Material Feeding<\/b><\/strong><\/h3>\nWaste materials are fed into the hopper manually or by conveyor.<\/p>\n
Step 2: Material Capture<\/b><\/strong><\/h3>\nThe rotating blades grip the material and pull it into the cutting zone.<\/p>\n
Step 3: Shearing and Tearing<\/b><\/strong><\/h3>\nThe interlocking knives generate high torque to tear and shear the material into smaller pieces.<\/p>\n
<\/p>\n
[\/et_pb_text][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Knife-roller.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”100%” min_height=”6px” custom_margin=”-38px|70px|65px|1px||” custom_padding=”0px|0px|2px|0px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”96.9px” custom_margin=”288px|-23px|10px|||” custom_padding=”9px|2px|0px|19px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”88.6%”]<\/p>\n
Step 4: Discharge<\/b><\/strong><\/h3>\nProcessed material exits through the bottom of the shredding chamber.<\/p>\n
Step 5: Secondary Processing<\/b><\/strong><\/h3>\nThe shredded material may be sent to:<\/p>\n
\n
<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”8px||0px|||” global_colors_info=”{}” custom_margin=”|auto|17px|auto||” min_height=”653.6px”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”-12px|-123px|51px|||” custom_padding=”8px|0px||||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”187.5%”]<\/p>\n
Step-by-Step Process<\/b><\/strong><\/h2>\nStep 1: Material Feeding<\/b><\/strong><\/h3>\nWaste materials are fed into the hopper manually or by conveyor.<\/p>\n
Step 2: Material Capture<\/b><\/strong><\/h3>\nThe rotating blades grip the material and pull it into the cutting zone.<\/p>\n
Step 3: Shearing and Tearing<\/b><\/strong><\/h3>\nThe interlocking knives generate high torque to tear and shear the material into smaller pieces.<\/p>\n
<\/p>\n
[\/et_pb_text][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Knife-roller.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”100%” min_height=”6px” custom_margin=”-38px|70px|65px|1px||” custom_padding=”0px|0px|2px|0px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”96.9px” custom_margin=”288px|-23px|10px|||” custom_padding=”9px|2px|0px|19px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”88.6%”]<\/p>\n
Step 4: Discharge<\/b><\/strong><\/h3>\nProcessed material exits through the bottom of the shredding chamber.<\/p>\n
Step 5: Secondary Processing<\/b><\/strong><\/h3>\nThe shredded material may be sent to:<\/p>\n
\n
Waste materials are fed into the hopper manually or by conveyor.<\/p>\n
Step 2: Material Capture<\/b><\/strong><\/h3>\nThe rotating blades grip the material and pull it into the cutting zone.<\/p>\n
Step 3: Shearing and Tearing<\/b><\/strong><\/h3>\nThe interlocking knives generate high torque to tear and shear the material into smaller pieces.<\/p>\n
<\/p>\n
[\/et_pb_text][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Knife-roller.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”100%” min_height=”6px” custom_margin=”-38px|70px|65px|1px||” custom_padding=”0px|0px|2px|0px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”96.9px” custom_margin=”288px|-23px|10px|||” custom_padding=”9px|2px|0px|19px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”88.6%”]<\/p>\n
Step 4: Discharge<\/b><\/strong><\/h3>\nProcessed material exits through the bottom of the shredding chamber.<\/p>\n
Step 5: Secondary Processing<\/b><\/strong><\/h3>\nThe shredded material may be sent to:<\/p>\n
\n
The interlocking knives generate high torque to tear and shear the material into smaller pieces.<\/p>\n
<\/p>\n
[\/et_pb_text][et_pb_image src=”https:\/\/slecotech.com\/wp-content\/uploads\/2026\/06\/Knife-roller.jpg” title_text=”Knife” _builder_version=”4.27.4″ _module_preset=”default” width=”100%” min_height=”6px” custom_margin=”-38px|70px|65px|1px||” custom_padding=”0px|0px|2px|0px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ text_font=”Poppins|500|||||||” text_font_size=”17px” text_line_height=”1.9em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”96.9px” custom_margin=”288px|-23px|10px|||” custom_padding=”9px|2px|0px|19px||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ width=”88.6%”]<\/p>\n
Step 4: Discharge<\/b><\/strong><\/h3>\nProcessed material exits through the bottom of the shredding chamber.<\/p>\n
Step 5: Secondary Processing<\/b><\/strong><\/h3>\nThe shredded material may be sent to:<\/p>\n
\n
The shredded material may be sent to:<\/p>\n
- \n