Assemble parts of screw barrel for extruder machine

Assemble parts of screw barrel for extruder machine The conical twin screws and barrel can be designed different structure according to the different product and market requests. Specifications of conical twin-screw and barrel: 45/90 45/97 50/103 55/110 60/120 65/125 68/146 80/156 80/172 92/188 Technical standard:1.Material: 38C rMoALA2.Hardness of modulator: HB260-2903.Hardness of nitrification:800-1050HV4.Depth of nitrification layer: 0.4-0.7mm Double-alloy technical standard:Double-alloy level:1.Level A - containing tungsten of 40%2.Level B - containing tungsten of 25%3.Level C - containing tungsten of 9.5%4.Hardness of alloy: HRC56-65o Applied scope of plastic: applied for PVC and WPC material, has a high output and stable performance.1.Components of alloy powder: Ni + Co + Cr + W + Si + Fe + B + C2.Depth of alloy layer: 1.2 mm-2.0 mm3.Hardness of alloy: HRC>65° Two stage type of barrel (material of powder outlet is Cr12MoMV, vacuum quenching) and screw (powder output is treated by alloy), the using lifespan is long as twice as common ones.The twin screws and barrel can be equipped in differents


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