Knurled Bottom Roller,Bottom Track Rollers,Textile Knurled Botton Roller,Spinning Knurled Botton Roller JIEPAI MACHINERY , https://www.jyjiepai.com
Screw elements and segmented barrel(bimetallic sleeve/bushing) in high quality.
Pls check detailed info. As below:
Specification:
Parallel twin screw diameter: Φ 18-Φ 177mm
Material:
1)W6Mo5Cr4V2
2)38CrMoAlA(JIS SACM645)
3)42CrMo(AIS14140)
4)S45C
Bimetallic material:
Ni-based alloy+tungsten carbide
Technics:
1)Heat treatment
2)Nitriding treatment
3)Vacuum quenching
4)Centrifugal casting
Technical parameter:
D/d ratio: 1.55
Nitrided layer depth: >=0.4mm
Nitrided hardness: 900-1000HV
Bimetallic layer: 3mm
Terms and Conditions:
Production time: 25 days
Packing: Export standard(as customers' requests)
Trade Terms: FOB, CNF, CIF or DHL, TNT
Payment Terms: T/T, L/C
Warranty and service: 1 year
Our advantages:
1)Excellent raw materials
2)Good customer services and technical services
3)Competitive pricing
4)Rigorous quality inspection
5)On time delivery
Experienced manufacturer, we will be the best choice.