rubber screw barrel for rubber machine

We can supply all types of screws and barrels according to clients' requirement. Production scope:Screw diameter Φ20~Φ500L/D: 15~53Maximum screw length 10,000mmBarrel inner bore diameter Φ500mm Technical data:@Depth of Nitrated Layer: 0.5-0.8mm @Hardness of nitration: 900-1020Hv@Fragility of nitration: Less than grade 1 @Surface roughness: Ra 0.4um @Hardness of Cr-coating Layer: ≥950Hv @Thickness of Cr-coated Layer: 0.03-0.08m@Hardness of Bimetallic Layer: HRC55-72 @Depth of Bimetallic Layer: >2mm@Guarantee: Common Nitrided: approx 2 years Bimetallic : much longer lifetime Alloy u2013steel of high-quality-38CrMoALA(JIS SACM645)-42cRmO(AIS14140)-9 Cr18Mov-CW6Mo5Cr4V2-SKD61 Heat-treatment-nitriding treatment-electroplate hard-chrome-high-frequency quenching-spraying corrosion wear-resisting dual metal layers-vacuum quenching Suitable plastic material: common plastic, PP, PE, ABS, AS, PS etc. Professional Production for more than ten years : single screw/parallel twin screw barrel/conical twin screw barrel etc. A professional design team, excellent product design,can be guaranteed quality products. Choose Chenshi , Never regret! Welcome contact with us.

Heat-treatment-nitriding treatment-electroplate hard-chrome-high-frequency quenching-spraying corrosion wear-resisting dual metal layers-vacuum quenching Suitable plastic material: common plastic, PP, PE, ABS, AS, PS etc.

Production scope:Screw diameter Φ20~Φ500L/D: 15~53Maximum screw length 10,000mmBarrel inner bore diameter Φ500mm Technical data:@Depth of Nitrated Layer: 0.5-0.8mm @Hardness of nitration: 900-1020Hv@Fragility of nitration: Less than grade 1 @Surface roughness: Ra 0.4um @Hardness of Cr-coating Layer: ≥950Hv @Thickness of Cr-coated Layer: 0.03-0.08m@Hardness of Bimetallic Layer: HRC55-72 @Depth of Bimetallic Layer: >2mm@Guarantee: Common Nitrided: approx 2 years Bimetallic : much longer lifetime Alloy u2013steel of high-quality-38CrMoALA(JIS SACM645)-42cRmO(AIS14140)-9 Cr18Mov-CW6Mo5Cr4V2-SKD61 Heat-treatment-nitriding treatment-electroplate hard-chrome-high-frequency quenching-spraying corrosion wear-resisting dual metal layers-vacuum quenching

Suitable plastic material: common plastic, PP, PE, ABS, AS, PS etc.