Place of Origin: Zhejiang, China (Mainland)
Brand Name: JS ALLOY
Model Number: JS-blowing screw barrel
Machine: Film blowing machine
Depth of Nitration: 0.5-0.8mm
Hardness of Nitration: 950-1020Hv
Fragility of Nitration: less than grade 1
Linearity of screw: 0.015mm
Roughness of surface: Ra 0.4um
Depth of double alloys: 2-3mm
Hardness of double alloys: HRC58-62
Hardness after hardening & tempering: HB260-290
Screw diameter: Ø15-Ø360
Screw structure and compression ratio can be designed according to different products and raw material.
Our company have many twin screw barrel designs of world-famous brand: such as CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT....
1) Heat Treatment
2) High Frequency Treatment
3) Nitriding treatment
4) Hard Chrome Plating treatment
5) alloy plating treatment
Depth of nitration case:0.5-0.8mm
Hardness of nitration:HV950-1020
Roughness of the surface:Ra 0.4um
Screw straightness: 0.015mm/m
thickness of double alloys: 2-3mm
Hardness of double alloys:HRC58-62
Suitable plastic material: PP,PE,ABS,AS,PS etc.
Scope: WPC PVC ,WPC PE ,Super high molecular sheet ,1/2 high calcium buckle, 50-400 high Calcium pipe ,50-300 high Calcium Profile , Soft PVC sheet , XPS-PVC ,PP ,PE, ABS, PVC, Raw material , pelletzing ,Pipe, Profile, Sheet etc
Packaging & Shipping
1) Woode case package
2) Plastic film pakage
3) As buyer request
4) Ship to Ningbo port or Shanghai Port
5) Deliver time: within 20 working days after confirmed with buyer
1) Jinsheng have more than 1 year quarantee
2) Jinsheng have over 10 years history
3) Jinsheng have a strong work-hard team
4) Jinsheng is the first factory to make the bimetallic screw and barrel
5) Jinsheng will handle all difficult for products
6) Jinsheng will meet customer request
7) Jinsheng will be keeping improving
Jinsheng also product other items
1) BIMETALLIC SCREW BARREL
2) INJECTION SCREW BARREL
3) EXTRUDER SCREW BARREL
4) CONICAL TWIN SCREW BARREL
5) PARALLEL TWIN SCREW BARREL
6) RUBBER SCREW BARREL
7) PLANETARY SCREW BARREL
Jinsheng Bimetallic Plastic Machinery Factory is manufacturing Screws and Barrels Jinsheng have over 10 years history.
1.We are a professional company specialized in manufacturing many types of screw, the barrel can be applied on all types of injection moulding machine,rubber hot-feeding extruder, rubber cold-feeding extruder, pin barrel cold feed extruder, plastic extruder with different specifications.
2.The models of screw include:
Variable pitch and variable depth, variable pitch and equal depth, variable depth and equal pitch, and equal depth and pitch.
Groove multi-die type, composite type, mixing type and separating type.
3. The material of screw: manufactured with high-quality nitro alloy steel, applying the method of hardening and tempering and nitriding, thus it enjoys the characteristics of long working life, wear resistance, and anti corrosion. Besides, the technique of hard alloy spraying or chrome plating can be used on the working surface of screw, which will make it have better using effectiveness.
Why used 38CrMoAlA material for screw and barrel ?
38CrMoAlA and #45 Steel difference:
38CrMoAlA is alloy structural steel
38CrMoAlA is a kind of special nitrided steel, it need hardening & tempering before nitrided, and hardness is more than HV900, 0.3mm-0.8mm thickness.
45# is Carbon structural steel
38CrMoAlA main advantage is wear-resistance, it is harder than 45#.
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