Specification:
Conical twin screw
Material: *8CrMoALA(JIS SACM**5); 4Cr5MoSiv1(JIS SKD*1)
Tempering hardness:HB******0
Nitriding hardness:HV*******0
Nitriding thickness:0.**0.8mm
Roughness of the surface:Ra0.4um
Screw diameter:Φ*5/**-Φ*2/**8
Fragility of nitration:≤2class
Our screw and barrel processing flow
Customer order***-Product design(customer drawing)**-Production flow arrangement***-Material Procurement**-Hardening and tempering***-Drilling**-Rough
turning**-Rough thread rolling(Alloy spray welding)**-alignment**-Fine thread rolling**-Mixing**-Alignment**-High frequency
treatment**-Alignment**-Polishing**-Grinding******0 hours Nittriding treatment**-Acid piclking***-Polishing**-Chrome plating***-O.D.Grinding**-Packaging and
Shipping
Package details
products (screws or barrels) will be brushed anti-corrosive oil
packed with film,brush oil
packed in the wooden case Bimetallic Conical Twin Scerw& Barrel for PVC Extrusion Machine
Delivery:*0 working upon recepit of
*0% deposit
Surface Treatment
| Bimetallic Screw | Plasma Alloy Coating Spraying |
| Bimetallic Barrel/Cylinder | Centrifugal Casting (Inlay Alloy) |
| Depth of Bimetallic Layer | >2mm |
| Hardness of Bimetallic Layer | HRC*5°**2° |
| Roughness of the surface | Ra0.4um |
| Linearity of the screw | ≤0.**5mm |
| Linear axis limit | ≤0.*2mm |
| Hardness after Hardening & Tempering | HB******0 |
| Fragility of Nitration | ≤Two class |
| 国家: | China |
| 型号: | - |
| 离岸价格: | ( Negotiable ) 获取最新报价 |
| 位置: | - |
| 最小订单价格: | - |
| 最小订单: | 1 Set |
| 包装细节: | 20 working upon recepit of 30% deposit |
| 交货时间: | - |
| 供应能力: | 300 Set per Month |
| 付款方式: | T/T, L/C, Western Union |
| 產品組 : | conical twin screw |
