WEIDA Screw is leading supplier of SCREW and BARREL in china,including designing,manufacturing and sales for these products, We also can supply all types of screw and barrel according to your different requirements.
Product Parameter:
Screw diameter:20-500mm
Maximum screw length:10000mm
L/D:12-45
Maximum screw length:10000mm
L/D:12-45
Product | Injection Molding Screw |
Material | 38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140) Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61) |
Nitrided Hardness | HV950°~1000° |
Hardness after hardening and tempering | HB260 ° |
Nitrided Depth | 0.5~0.7mm |
Nitrided Brittleness | above 2 stage |
Surface Roughness | Ra0.4 |
Screw straightness | 0.015mm |
Hardess of surface chromium-plating after Nitriding | HV≥950HV |
Chromium plating Depth | 0.05~0.10mm |
ALLoy Depth | 0.8~2.0mm |
Alloy hardness | HRC56°~65° |
Alloy(bimetallic) | iron,nickel,tungsten,molybdenum |
Types of screw barrel | Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc. |