- Screws[1]
- Metal Processing Machinery Parts[1]
- Other Machinery[2]
- Other Plastic Processing Machinery[1]
- Plastic Blowing Machinery[5]
- Plastic Extruders[10]
- Plastic Processing Machinery Parts[10]
- Plastic Product Making Machinery[1]
- Used Plastic Blowing Machinery[1]
- Used Plastic Extruders[2]
- Moulds[10]
- Gearboxes[7]
- Speed Reducers[1]
- Strapping[2]
- Plastic Sheets[4]
38crmoala/nitrided screw and barrel
screw and barrel for film blowing machine or extruder. it's a special design for pp, pe material, based on 38CrMoAlA.
screw and barrel for film blowing machine or extruder.
Ruian Yumin machine screw co.,ltd is a factory specialized in making screw barrel, filter, mould and gearbox. These products are main parts of plastic machines and package machines. Founded in 1987, Yumin machine screw factory has worked in this field for 22 years and has become the main supplier of some famous plastic machine and package machine factories in Wenzhou area and other parts of China. With the advanced technology and efficient management, we have the confidence and ability to give the best product with excellent quality for our customers.
Size:
screw diameter:Φ20-Φ500mm
Maximum screw length:10000mm
Barrel inner bore diameter:Φ500mm
Material:
38CrMoAlA
high quality alloy steel
Technology:
nitriding treatment,
alloy coating spraying,
heating treatment,
screw fully hardening,
Depth of nitrition layer: 0.5-0.8mm
Nitriding treatment, surface hardness: HV≥900-1100
Fragility of nitrition: less than grade 1
Surface roughness: Ra 0.4um
Streightness of screw: 0.015m
Used for granulation,PP, PE, PA, PC, ABS,AS etc
We can manufacture various kinds of screw barrels according to the customer’s requirement
