Screw For Injection
Accessories of
Screw & Barrel For
Conical Twin Screw
Parallel Twin Screw
The Bimetallic
Rubber screw
planet screw
Co rotating parallel
Gearboxes series
All types of screw
Material application
Advanced
Plastic Extruder


The normal material of Screw and Barrel:

Material: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:HV≥950HV
Chromium-plating Depth:0.05~0.10mm
ALLoy Depth:0.8~2.0mm
Alloy hardness:HRC56°~65°
Alloy:iron,nickel,tungsten,molybdenum.
 
Confirmation is processed materials,hardness HRC,equipment rigidity(value),the number of drawings,samples to follow the requirements of the grinding angle and dimension tolerance molding......only now producing batches,can completely replace the world-class products,with a high price!Advanced integrated production systems with a variety of sophisticated techniques of production capacity,high efficiency,low cost applications.

 

先进的加工设备

 
先进的加工设备

 
先进的加工设备

 
先进的加工设备

 
先进的加工设备

 
先进的加工设备

 
先进的加工设备

 
 

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