Soprano Ukulele,Flight Travel Ukulele,Ukulele Fender Soprano,Ukulele Ohana Soprano Shandong Changyun Musical Instruments Co., Ltd. , https://www.cyukulele.com
Extrusion Screw barrel, plastic machinery screw barrel, PP/PE sheet/film extrusion screw barrel, extruder screw barrel, Bimetallic Screw Barrel
Specification:
Screw Diameter: Ø 15mm- Ø 300mm
L/D ratio: 15-46
Product classification:
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc.
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy
3)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
Nitriding treatment
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Bimetallic layer depth: 3mm
Warranty and service: 1 year
Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly
Experienced manufacturer, we will be the best choice.
