We can supply all types of screws and barrels according to clients' requirement. appliance:pvc,pp,pe,abs,pmma,etc.
We can supply all types of screws and barrels according to clients' requirement.
Production scope:
Screw diameter Φ20~Φ500
L/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 –steel 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.
screw and barrel with alloy layer
