Screw Barrel for Extrusion Machine
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مواصفات المنتج
| الماركة | Zhoushan Oushengda Plastic Machinery Co., Ltd. |
| الحالة | New |
| الكفالة | YES |
مواصفات المنتج
process specification of screw and barrel:
specification:015-0360MM
The ratio of length to diameter:L/D=12-45
types of screw:
For good plasticizing effect,we have different design of screw barrel to meet customers demand.Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head ty e,multi head type etc.
The normal material of Screw and Barrel:
Materia1:38CrMoALA
Hardness after hardening and tempering:HB260° -320° Nitrided Hardness:HV950° -1000°
Nitrided Depth:0.50 -0.7mm Nitrided Brittleness:above 2 stage Surface Roughness:Ra0.4
Screw straightness:0.015mm
Hardess of surface chromium-plating after Nitriding:19501-1V Chromium-plating Depth:0.05 -0.10mm
Alloy Depth:0.8 -2.0mm Alloy hardness:HRC56° -65°
Alloy:iron,nickel,tungsten,molybdenum
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