Rubber screw barrel specifically for rubber products,suche as seal strip, rubber foam board, rubber sheet, rubber hose, rubber foam hose, rubber water stop belt, and so on. Raw material is EPDM, SBR, BR, CR, NBR, IIR, silicon rubber and so on.
Tell us your product and your raw materials,we could design for you.
Specification:
1.Cool feeding rubber screw and barrel
Specification: Φ40-Φ300mm, L/D:8-20:1
2.Hot feeding rubber screw and barrel
Specification: Φ30-Φ250mm, L/D:4-8:1
3.Pin rubber screw and barrel
Specification: Φ60-Φ250mm, L/D:12-18:1
Technical Data: Nitride Case Depth 0.5mm-0.8mm Nitride Hardness 950-1020HV Nitride Brittleness ≤Grade One Surface Roughness Ra0.4um Screw Straightness 0.015mm Alloy Hardness HRC65 Alloy Depth 1.2mm-2.0mm Chromium Coating Thickness 0.03~0.10mm
Materials:
The most popular materials is 38 crmoala, 42crmo, if you want other materials,you also could choose as the following:
1. Germanysteel, GH113 ,2250 ,2842 ,1.8509 ,1.442 ,1.6582 ,1.6523 ,1.2080,1.4542,
2. USA steel, P20,420,L6,H13,W110,D3,A2,D6,O1,S1,M35,8620,3115,K52440
3. Sweden steel, 718S,718H,S136,S136H,STAVAX,ASP-23,ASP-30
4. Australia Steel, M202,M300,W302,K460,W300,K900,K100,W321
5. Hardnesssteel, YG6X,YG 6A,YG 6,YG8N,YG8,YG8C,YG11C,YG 15,YT5,YT14,YT30
6. Japan Steel, SKD61,SKD11,SKT 4,YXM 4,YXM 42,SNC 815,SK -3,SKS 3,and etc.
And about the treatment of screw barrel, we also have many choices for you:
Nitrided
Nitrided+chromium-plating
Bimetallic
Bimetallic+chromium-plating
QY-Grade A - containing Tungsten of 40%
QY-Grade B - containing tungsten of 25%
QY-Grade C - containing tungsten of 9.5%
QY-Grade A/B/C + chromium-plating
Application:
Product Show:
Certificates:
