Features of Structure and Rotation Method<\/h2>\n\n\n ![\"bidirectional](\"https:\/\/www.pla-mirai.net\/twinscrew-extruder\/wp\/wp-content\/uploads\/counterrotating.png\")
<\/p>\nQuoted from: technovel
\n https:\/\/www.technovel.co.jp\/2490\/<\/div>\n<\/p><\/div>\n<\/div>\nIn an unidirectional twin-screw extruder, the left-hand screw rotates clockwise (CW) and the right-hand screw rotates counterclockwise (CCW). This counter-rotation causes the material to be sandwiched between the screws and transported forward,Gentle and stable processing<\/span>It is Shear force is lower than that of a co-rotating twin-screw extruder, and shear heat can be suppressed to enable processing at lower temperatures.<\/p>\nComparison with other methods (difference from co-rotating)<\/h3>\n
\n\n\n<\/th>\n Heterodirectional rotary type (Counter)<\/th>\n Co-rotating<\/th>\n<\/tr>\n \nshear force<\/th>\n small<\/td>\n big<\/td>\n<\/tr>\n \nmixing power<\/th>\n gentle<\/td>\n strong<\/td>\n<\/tr>\n \nthermogenesis<\/th>\n few<\/td>\n numerous<\/td>\n<\/tr>\n \nSuitable materials<\/th>\n Heat-sensitive resins (PVC, etc.)<\/td>\n Functional additives and complex formulations<\/td>\n<\/tr>\n \nSelf-cleaning<\/th>\n Low to medium<\/td>\n high<\/td>\n<\/tr>\n \ncarrying power<\/th>\n Stable, pressure-feeding type<\/td>\n kneading element<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nMain applications and processing examples<\/h2>\nExtrusion of thermoplastic resin<\/h3>\n
Thermoplastics are resins that soften when heated and harden when cooled. Among them,Hard PVC and soft PVC <\/span>It is widely used in pipe and building material forming using It is also suitable for use in profile molding, door frames, and conduit pipe mass production lines. <\/p>\nNatural fiber composite materials (WPC, etc.)<\/h3>\n
Suitable for processing WPC products that require mixing natural materials such as wood flour and hemp fiber with resin at low temperatures. Reduces excessive shearing by the screw,Uniform dispersion without breaking fibers<\/span>This allows molding without loss of strength or appearance.<\/p>\nMaterials for medical and food packaging<\/h3>\n
Resins for medical and food packaging areHeat sensitive and easily degraded<\/span>Therefore, an unidirectional rotary twin-screw extruder with stable torque and low-temperature processing capability is effective. This can achieve stable processing, especially in products where quality maintenance is required.<\/p>\nTechnical Advantages<\/h2>\nGood stability at high torque and pressure<\/h3>\n
The unidirectional rotary twin-screw extruder can stably feed material at a constant pressure while suppressing pressure fluctuations during extrusion through \"positive displacement conveying,\" which pushes the material between the screws. This allows,Reduces variation in molding quality<\/span>The point is a major advantage.<\/p>\nLow shear and low temperature processing<\/h3>\n
Shear stress can be suppressed by counter-rotating two screws. Heat generation during shearing is also suppressed,Easy to maintain physical properties even with materials at high risk of thermal degradation<\/span>The molding process is stable, and the material can be molded stably. It is particularly well suited for materials with poor thermal stability.<\/p>\nStrong for conveying powder materials<\/h3>\n
by two screws rotating in opposite directions,Conveying materials while pulling them in<\/span>The process is capable of stably supplying powders and resins with slippery properties. It is also effective for processing specially formulated base materials and can be expected to improve yields.<\/p>\nCTE is the best choice for twin-screw extruders<\/div>\n\n\n\n![\"CTE_Twin](\"https:\/\/www.pla-mirai.net\/twinscrew-extruder\/wp\/wp-content\/uploads\/product_htm-tandem.jpg\")
<\/p>\nCitation: CTE Official
https:\/\/cte-japan.com\/en\/product\/htm-tandem-compounding-twin-screw-extruder\/<\/div>\n<\/p><\/div>\n![\"CTE_Twin](\"https:\/\/www.pla-mirai.net\/twinscrew-extruder\/wp\/wp-content\/uploads\/product_ctm.jpg\")
<\/p>\nCitation: CTE Official
https:\/\/cte-japan.com\/en\/product\/ctm-twin-screw-extruder\/<\/div>\n<\/p><\/div>\n![\"CTE_Twin](\"https:\/\/www.pla-mirai.net\/twinscrew-extruder\/wp\/wp-content\/uploads\/product_htm.png\")
<\/p>\nCitation: CTE Official
https:\/\/cte-japan.com\/en\/product\/htm-twin-screw-extruder\/<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<\/div>\n<\/p><\/div>\n\n\n<\/div>\n<\/div>\n<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\nCTE's twin-screw extruders combine high mixing, dispersing, and degassing performance,Compatible with complex compounded materials, recycled materials, and high filler compounds<\/span>The flexibility of this product is its ability to be used in a wide range of applications. It is suitable for sites where both quality and productivity are required, as it ensures stable physical properties while minimizing burns and agglomerations.<\/p>\nIt also contributes to the reduction of material loss and review of raw material costs, and improves the profit structure of the entire production line. When considering the introduction of a twin-screw extruder, please consider CTE, which is backed by our proven track record and technical capabilities.<\/p>\n
<\/p>\n\n https:\/\/www.technovel.co.jp\/2490\/<\/div>\n<\/p><\/div>\n<\/div>\n
In an unidirectional twin-screw extruder, the left-hand screw rotates clockwise (CW) and the right-hand screw rotates counterclockwise (CCW). This counter-rotation causes the material to be sandwiched between the screws and transported forward,Gentle and stable processing<\/span>It is Shear force is lower than that of a co-rotating twin-screw extruder, and shear heat can be suppressed to enable processing at lower temperatures.<\/p>\n Thermoplastics are resins that soften when heated and harden when cooled. Among them,Hard PVC and soft PVC <\/span>It is widely used in pipe and building material forming using It is also suitable for use in profile molding, door frames, and conduit pipe mass production lines. <\/p>\n Suitable for processing WPC products that require mixing natural materials such as wood flour and hemp fiber with resin at low temperatures. Reduces excessive shearing by the screw,Uniform dispersion without breaking fibers<\/span>This allows molding without loss of strength or appearance.<\/p>\n Resins for medical and food packaging areHeat sensitive and easily degraded<\/span>Therefore, an unidirectional rotary twin-screw extruder with stable torque and low-temperature processing capability is effective. This can achieve stable processing, especially in products where quality maintenance is required.<\/p>\n The unidirectional rotary twin-screw extruder can stably feed material at a constant pressure while suppressing pressure fluctuations during extrusion through \"positive displacement conveying,\" which pushes the material between the screws. This allows,Reduces variation in molding quality<\/span>The point is a major advantage.<\/p>\n Shear stress can be suppressed by counter-rotating two screws. Heat generation during shearing is also suppressed,Easy to maintain physical properties even with materials at high risk of thermal degradation<\/span>The molding process is stable, and the material can be molded stably. It is particularly well suited for materials with poor thermal stability.<\/p>\n by two screws rotating in opposite directions,Conveying materials while pulling them in<\/span>The process is capable of stably supplying powders and resins with slippery properties. It is also effective for processing specially formulated base materials and can be expected to improve yields.<\/p>\n CTE's twin-screw extruders combine high mixing, dispersing, and degassing performance,Compatible with complex compounded materials, recycled materials, and high filler compounds<\/span>The flexibility of this product is its ability to be used in a wide range of applications. It is suitable for sites where both quality and productivity are required, as it ensures stable physical properties while minimizing burns and agglomerations.<\/p>\n It also contributes to the reduction of material loss and review of raw material costs, and improves the profit structure of the entire production line. When considering the introduction of a twin-screw extruder, please consider CTE, which is backed by our proven track record and technical capabilities.<\/p>\nComparison with other methods (difference from co-rotating)<\/h3>\n
\n\n
\n <\/th>\n Heterodirectional rotary type (Counter)<\/th>\n Co-rotating<\/th>\n<\/tr>\n \n shear force<\/th>\n small<\/td>\n big<\/td>\n<\/tr>\n \n mixing power<\/th>\n gentle<\/td>\n strong<\/td>\n<\/tr>\n \n thermogenesis<\/th>\n few<\/td>\n numerous<\/td>\n<\/tr>\n \n Suitable materials<\/th>\n Heat-sensitive resins (PVC, etc.)<\/td>\n Functional additives and complex formulations<\/td>\n<\/tr>\n \n Self-cleaning<\/th>\n Low to medium<\/td>\n high<\/td>\n<\/tr>\n \n carrying power<\/th>\n Stable, pressure-feeding type<\/td>\n kneading element<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Main applications and processing examples<\/h2>\n
Extrusion of thermoplastic resin<\/h3>\n
Natural fiber composite materials (WPC, etc.)<\/h3>\n
Materials for medical and food packaging<\/h3>\n
Technical Advantages<\/h2>\n
Good stability at high torque and pressure<\/h3>\n
Low shear and low temperature processing<\/h3>\n
Strong for conveying powder materials<\/h3>\n
<\/p>\n
https:\/\/cte-japan.com\/en\/product\/htm-tandem-compounding-twin-screw-extruder\/<\/div>\n<\/p><\/div>\n<\/p>\n
https:\/\/cte-japan.com\/en\/product\/ctm-twin-screw-extruder\/<\/div>\n<\/p><\/div>\n<\/p>\n
https:\/\/cte-japan.com\/en\/product\/htm-twin-screw-extruder\/<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n