Zhoushan nanhaiya Plastic Machinery Co., Ltd is engaged in the production of precision screen and melt glue Barrel, the company has strong technical force, advanced production technology and first-class production facilities. It has more than ten years of experience in screw and melt rubber cylinder manufacturing, and introduces advanced technology and technology from Europe and America, engaging in screw design, alloy spray welding, single screw, conical and parallel twin-screw, PE wood plastic, PVC, EVA, TPR, TR, aluminum plastic plate, screw, barrel, etc. With high standard and high precision, we have won the trust of customers.
Specifications:
Screw diameter: 15-300mm
Maximum length: 8000mm
Inner diameter of barrel: 15-300mm
Maximum length: 4000mm
Different alloy materials can be selected according to different raw materials
Base material:
1)38CrMoAlA(JIS SACM645)
Alloy material:
1) Nickel base alloy + tungsten carbide
Treatment process:
heat treatment
Nitriding treatment
Spraying bimetal alloy
Centrifugal casting of bimetal alloy
Technical parameters:
Nitriding depth: 0.50mm-0.80mm
Nitriding hardness: 58-62hrc
Surface roughness: RA 0.4
Straightness of screw: 0.015mm
Double alloy depth: 3mm
Engaged in the production of precision screw and melt glue barrel
