We are the China top 10 screw barrel manufacturer,can provide the best design and the best quality.We are the best plastic machine screws and barrels rebuilder/manufacturer.Any inquiry for plastic machine screw barrel, welcome here and I will try my best to satisfy you with competitive prices\best quality and service as per your request.
Screw barrel show:
Our factory show:
1.Diameter of screw: D20-D300mm
2. L/D ratio: 10 - 50
| Material | 1.38 CrMoAlA(JIS SACM645) 2.42 CrMo(AISI 4140) 3.Cr12MoV(JIS SKD-11) 4.4Cr5MoSiV1(JIS SKD-61) |
| Hardness after hardening and tempering | HB260 ° |
| Nitrided Hardness | HV900°~1000° |
| Nitrided Depth | 0.5~0.7mm |
| Nitrided Brittleness | above 2 stage |
| Surface Roughness | Ra0.4 |
| Screw straightness | 0.015mm |
| Chromium plating Depth | 0.05~0.10mm |
| Hardess of surface chromium-plating after Nitriding | HV≥950HV |
| Alloy Depth | 0.8~2.0mm |
| Alloy hardness | HRC56°~65° |
| Alloy(bimetallic) | iron,nickel,tungsten,molybdenum |
The insepction after our film screw and barrel are finished,our strictest quality control:
The package,screw barrel for extruder film machine
Our screws and barrels details:
About us
QunYing Screw is leading supplier and manufacturer of SCREW and BARREL in china,including designing,manufacturing and sales for these products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Chende,Chenxiong,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY,Nippon Steel,Toshiba,Nissei,Mitsubishi,CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT and etc. We also can supply all types of screw and barrel according to your different requirements.
