Product Description
Specification:
Diameter: Φ 45mm-Φ 200mm
L/D ratio: 16-35
The compression ratio of screws can be designed according to different products and ingredients
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)4Cr5MoSi V1 (JIS SKD-61)
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
Nitriding treatment
Hard-chrome electroplating
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
Hard-chrome plating hardness after nitriding: ≥ 950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
Terms and Conditions:
Production time: 30 days
Packing: Film wrapped in wooden case(Export standard)
Trade Terms: FOB, CNF, CIF
Payment Terms: T/T, L/C, West Union
Warranty and service: 1 year
If you don't see the specific type of screw barrel you need here, pls contact us by email or by phone, we will find out solutions according to your requirements within 12 hours.
Zhejiang pinbo plastic machinery Co., Ltd is a factory, specialized in making screw barrel, filter, mold, gearbox and extruder machines. Frormer name is Ruian yumin machine screw Co., Ltd since 1988 with brand name PYM. During the past 2 decades, it has become the biggest supplier of main parts of plastic machines in Ruian city, covering the land over 10000 cube meters. Its hot sell products are various kinds of screw barrel for film blow machine and reccement bag, rice bag, shoe machines and injection machine. It is equipped with professional machines and equipment, like FANUK series CNC computer-controlled machines, depth hole drilling machine in 18000 mm length, nitriding ovens in 8000mm depth. It does nitriding treatment for 7 days and nights, which greatly ensure the hardness of products. Its products are welcome a lot with clients and friends all over the world. With its large-scale production, it continuously improve the quality assurance system and implement standardized management. It insists on the spirit of "innovation for development together with our cooperators". Any consult or inquiry, are warmly welcomed.
