- 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]
conical twin screw barrel 38crmoala for profile
conical twin screw and barrel for profile extruder. it's a special design for pp sheet, based on 38CrMoAlA.
conical twin screw and barrel for profile 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: 35/75, 45/90, 45/100, 50/105, 55/110, 60/125, 80/143, 80/156, 92/188, 95/188
Material: 38CrMoAlA
high quality alloy steel
Technology: nitriding treatment,
alloy coating spraying,
heating treatment,
screw fully hardening
Diameter: Φ45-Φ200(according to the demands of customers)
L/D ratio of screw: 16-35
Conical dual-hole barrel screw specificaiton: Φ25Φ45-Φ92Φ188(according to the demands of customers)
The screw compressor can be designed according to different products and formulas
Technology index:
Depth of nitrition layer: 0.5-0.8mm
Nitriding treatment, surface hardness: HV≥900-1000
Fragility of nitrition: less than grade 1
Surface roughness: Ra 0.4um
Streightness of screw: 0.015mm
Hardness of alloy coating layer: HRC62-67
Depth of alloy layer:>2mm
Used for granulation,PP, PE, PA, PC, ABS,AS etc
We can manufacture various kinds of screw barrels according to the customer’s requirement