Hard chrome plating extruder screw and barrel
a. Advanced Nitriding Technology
b. Anti-corrosion and Wear-resisting Duplex Metal SprayingTechnoloy
c. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.
38CrMoAIA screw and barrel for extruder machine
38 CrMoAlA(JIS SACM645); 42CrMo(JIS SCM440)
Hardness of nitrogen treatment
HV240 ° ~280°
Depth of nitrogen layer:
above 1 stage
Hardess of surface chromium-plating after Nitriding
Chromium plating Depth
nitrogen ,electroplated hard -chrome finish,high frequency quenching
Used for granulation, PP, PE, PA, PC, ABS, AS etc
We can manufacture various kinds of screw barrels according to the customer's requirement
1. Wooden case standard
2. Plastic film package
3. According to customer requirment
Our services :
One :We have the most advanced equipments and technique in our industry.
Two: We have professional engineer, Cad drawer and staffs.
Three: We have 100% quality ensure system and 24hours after-sale service system.
Four: We have passed third-party assessment, such as CE, SGS and TUV and BV.
Zhejiang pinbo plastic machinery co.,ltd is located in ruian wenzhou city with brand of PYM(Former Ruian yumin machine screw co.ltd since 1988). The company is specialized in making screw barrel, gearbox zlyj series, t die, filter and extruder machine. It has become one of the largest supplier of main parts in Ruian city which is the basement of plastic machines.
It owns many computer-control CNC milling machines in length 8000mm In Fanuk series, 18000mm
length deep hole drilling machine and other advanced equipment.
Long time nitriding treatment for 7days and nights greatly ensure the hardness and lifetime of its products. Meanwhile, the company and its products have passed assessment by SGS company, Bureau of Veritas, Tuv and Ce certificate.
If there is any problem, you can contact with us at any time, we will reply you as soon as possible! Welcome to visit us at any time!
We promise: We assure the customer benefits, We provide competitive price, We Emphasis On Cooperation.