Complying with SAE J517 100R7 and 100R8 standards, Letone thermoplastic hoses are suitable to transfer petroleum and water based hydraulic oil, which could be used as lubrication lines and blowout preventer lines, etc., widely apply to hydraulic lifts, agricultural machines and construction machines. The ultra-high pressure thermoplastic series is designed for transfering water, oil and other medium under high pressure, widely apply to high pressure cleaning industry Thermoplastic Hose,Aramid Fiber Braided Hose,Braided Thermoplastic Hose,Steel Wire Braided Rubber Hose Luohe Letone Hydraulic Technology Co., Ltd , https://www.zjlitonghose.com
Screw for Rubber Machine
Specification:
Diameter of pin screw and barrel: Φ 75mm-Φ 200mm
Diameter of cold feed or hot feed screw and barrel: Φ 30mm-Φ 300 mm
L/D ratio: 12-18
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
High-frequency quenching
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
Warranty and service: 1 year
Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly
Experienced manufacture, we will be the best choice.