Full hardening screw and barrel
Specification Injection screw barrel :
Screw diameter:
20mm,25mm,30mm,35mm,40mm,45mm,50mm,55mm,60mm,65mm,70mm,75mm,80mm,85mm,9
0mm,95mm,100mm,105mm,110mm,115mm,120mm,125mm,130mm,135mm,140mm,150mm,160mm...
Mould clamping force:250T-3200T
Shot weight:30G-30000G
QunYing(screw and barrel) is one of the best manufacturer in china,including designing,manufacturing and sales for these products,we supply screw barrel for Haitian,Chende,Chen Hsong,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY,Nippon Steel,Toshiba, Nissei,Mitsubishi,CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT and etc. Qunying also can supply all types of screw and barrel according to your different requirements.
| Steel Material | 1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JIS SKD-11) ; 3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI 4140) |
| Deepness of Nitriding Layer | 0.7 mm -0.9 mm |
| Hardness of Nitriding | HV900 - HV1,000 |
| Nitriding Brittleness | ≤Grade 1 |
Chromate plating | Thickness 0.05 mm - 0.10 mm, hardness HV950 |
Special treatment | Carbide coating on screw flight and bimetallic barrel |
| Screw straight tolerance | 0.015 mm/m |
| Surface roughness | Ra 0.4μm |
