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JYS3 Bimetallic Screw
PTA (Plasma Transferred Arc) automatic alloy spaying is a newly applied technology, especially for precise requirement of screws. Comparing to traditional manual alloy spraying, PTA has better performance with the stability and outlook of screws.
Technical Parameters
Product Name : Bimetallic Screw
Material : JYN1 + JYS Series Alloy
Suitable Machine: Injection / Extrusion / Blowing ...
Available Size: Φ14-400mm, Length <8,000mm
Process Method: PTA Spray
Surface Hardness:46-58 HRC
Surface Roughness: < Ra 0.8
Screw Straightness: < 0.02mm/m
Advantages
By spraying high quality alloy powder on screw flight with layer thickness 1.5-2.0mm, screws can get higher performance in both wearing & corrosion resistant performance.
Application
General plastics & engineering plastics with below 15% glass fibre filling.
JYS Series Alloy
At this stage, we have JYS-1, JYS-2 and JYS-3 alloy types and treatments for wear fighting
TYPE
ALLOY COMPONENTS
HARDNESS
(HRC)
ABRASION
RESISTANCE
CORROSION
RESISTANCE
APPLICATIONS
JYS-1, B
Ni. Cr, Si
52– 56
x
x
Recycling & engineering plastics.
JYS-2, A
Ni, Cr, W
54– 58
xx
x
Engineering plastics, reinforced additives less than 20%.
JYS-3, D
Co, Cr, W
44 – 48
x
xx
Reinforced additives and corrosive plastics less than 15%.
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Main Product:
Injection Screws,
Injection Barrels ,
Extrusion Screws,
Extrusion Barrels,
Tie Bars,
Twin Screw Barrels
