Rubber screw and barrel, China Suppliers and Manufacturers

Rubber screw and barrel

Supplier Info

[China Supplier]

Contact Person : Mr. He Wei

Tel : 86-580-8055072

Fax : 86-580-8053154

Product Detail

Rubber screw and barrel 1.Materials:38 CrMoAIA,42CrMo(JIS SCM440),SKD61 2.Specification:75-250mm

Rubber screw and barrel

• Material :quality alloy steel

•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

1.Injection molding machine	Clamping force:250kn-3,2000kn
2.Single screw extruder	Screw diameter:15mm-360mm
2.Single screw extruder	LD ratio:15-46
3.Conical twin screw extruder	Screw diameter:25mm-92mm
4.Counter rotating parallel twin screw	Screw diameter:50mm-200mm
4.Counter rotating parallel twin screw	L/D ration:16-35
5.Co-rotating twin screw extruder	Screw diameter:25mm-120mm

Steel Material	DIN 41CrA1Mo7 / AST M4140/38 CrMoAIA
Heat Treatment	Tempered and nitride, nitride depth: 0.4mm – 0.7mm
Surface hardness:	HV800 – HV1, 050
Chromate plating:	Thickness 0.05 mm – 0.10 mm, hardness HV950
Special treatment:	Carbide coating (screw flight) and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm