Coremachine Injection Molding Screw Cylinder

Coremachine Main Products:
Screw extruder barrel, screw barrel injection molding machine, rubber machine screw machine cylinder, double-metal screw machine cylinder, parallel twin screw barrel, conical twin screw barrel.

Equipment Description:
Applies to the following types of production and processing of plastic. Plastics such as ABS, PS plastic, PMMA plastic, POM plastic, PP plastic, PE plastic, PVC plastic, PA plastic, PC plastic, PPO plastic, PSU plastic, PTFE plastic, ASA plastic, PPS plastic, ETFE plastic, PFA plastic, PAR plastic, Bakelite, amino plastics, epoxy, silicone and plastic.

Product Specification and technical data
Inner Diameter: Ø 20-Ø 300
Effective length: 12000mm
Hardness of quenching and tempering: HB240 ~280
Hardness of nitration: HV850 ~1000
Depth of Nitrated Layer: 0.45~0.7mm
Fragility of nitration: <= Grade 2
Surface roughness: Ra0.4
Straightness: 0.015mm
Hardness of Cr-coating Layer: HV>=900HV
Nitrided layer thickness: 0.05~0.10mm
Thickness of Cr-coated Layer: 0.8~2.0mm
Hardness of bimetallic alloy: HRC56 ~65 (Ni-based alloy)

Material: Quality alloy steels
1. 38CrMoALA(JIS SACM645)
2. 42CMo(JIS SCM440)
3. 9Cr18MOV
4. CW6Mo5Cr4V2

Heat-treatment:
Nitriding treatment
Electroplated hard-chrome finish
High-frequency quenching
Spray coating Bimetallic-alloy
Vacuum quenching

Advantages
1) high temperature, high temperature deformation;
2) wear resistance, long life;
3) resistant to corrosion, corrosive materials;
4) high intensity, which can withstand high torque, high speed;
5) has a good machinability;
6) The residual stress after heat treatment, thermal deformation and so on.