Hoist Trolley is a kind of lifting deviceand it has the characteristics of simplestructure and easy operation . It can be attached to Chain Hoist or Electric Hoist or any other loading machinery to form a loading trolley to lift goods move left or right for lifting use.Hoist trolley can be widely used in the
hang-transportationoccasions for mounting the machine and equipment in workshop, mining, dock,warehouse Machine work, injection, compression casting, pressurization, clamping die and construction sites.And hoist trolley mainly with Geared Trolley,Plain Trolley and electric trolley three models to meet different ways use.
Hoist Trolley Geared Trolley,Plain Trolley,Lifting Trolley,Hoist Manual Trolley Hebei Lihua Hoisting Machinery Manufacturing Co., Ltd , http://www.lhqzhoisting.com
ZY is a very experienced and professional ISO certificated manufacturer for screws and barrels, we have exported our products to 23 different countries with good quality products and serviced.
Pls find the detailed info. For injection screw and barrel as below:
Specification:
Screw diameter: Φ 20mm-Φ 220mm
Mould clamping force: 250T-3200T
Shot weight: 30G-30000G
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)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
Terms and Conditions:
Production time: 25 days
Packing: Export standard wooden case
Trade Terms: FOB, CNF, CIF, etc
Payment Terms: T/T, L/C
Warranty and service: 1 year(Life time is much longer)