平行(同向、异向)双螺杆与机筒
Parallet twin screw and barrel
直径:Φ35/35~Φ250/250 (可按客户要求)
Diameter:Φ35/35~Φ250/250
长径比:L/D=16~35(according to the demands of customers)
Ratio of Length to Diameter:16~35
螺杆材料:38CrMoAlA,螺棱表面可采用双合金喷焊
机筒材料:38CrMoAlA,料口部分可采用进口合金钢材
Screw material: 38CrMoAlA,special alloy can be welded on the flight of screw.
Barrel material: 38CrMoAlA,imported alloy steel can be used on feeding hole .
主要技术指标:
氮化层深度:0.5~0.8mm 氮化层硬度:>950Hv 氮化脆性:<2级
Nitriding layer depth: 0.5~0.8mm
Nitriding layer hardness: >950HV
Nitriding brittleness: <level 2
螺杆的压缩比根据不同的原料设计,也可按用户要求进行设计。
The compression ratio of screw can be desingned according to different raw material-s and requirements of clients. |