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Downloads
All documents in the overview
News & Press
All news at a glance
Request
Send us a message
Copyright © 2010-2021 Shanghai Gehang Vacuum Technology Co.,Ltd. All Rights Reserved.
Vacuum heat treatment for gear parts
Gear parts are important components of the reducer, and its quality directly affects the service life and safe production of the reducer. After the emergence and use of gear processing machines, the bottleneck that seriously affects and restricts the quality of gear processing occurs in the blank...
Heat treatment misunderstanding, cause and prevention of deformation
Misunderstanding of heat treatment 1. The workpiece that is quenched is not cooled to room temperature and cannot be tempered？ Some people think that after quenching, they can’t enter the tempering process when they are not cooled to room temperature. In fact, many steel grades, especially...
Advanced vacuum heat treatment can extend the life of the mold
As an indispensable and important equipment in the manufacture of machinery industry, molds are more convenient for the manufacture of similar products, and at the same time bring a certain downward adjustment to the production cost, but the heat treatment is an important processing step, the fol...
Vacuum brazing
Vacuum brazing characteristics The development of vacuum brazing technology has been seventy-six years old and has become a promising welding technology. It was first used in the electronics industry to braze copper and stainless steel parts, and later applied to the aerospace industry and the at...
Mold Heat Treatment Process
In the production process of the mold, the heat treatment of the steel is an important part of it. Generally, heat treatment will be divided into the following process: Forging process, which is an important part of the mold manufacturing process. For molds of high alloy tool steels, technical re...
Diamond Tools Brazing Furnace
The high hardness and excellent physical and mechanical properties of diamond make diamond tools an indispensable tool for processing all kinds of hard materials. The adhesion of the carcass metal base to diamond (the inclusion of the carcass) is one of the main factors affecting the service life...
Soft magnetic material vacuum heat treatment process
Soft magnetic material means that when magnetization occurs at Hc of not more than 1000 A/m, such a material is called a soft magnetic body. Soft magnetic materials are widely used in magnetic antennas, inductors, transformers, magnetic heads, earphones, relays, vibrators, TV deflection yokes, ca...
Transformer Stable Mixing Vacuum Casting
Static mixing vacuum casting/infiltration equipment is specially designed for the production of current, voltage mutual inductors , dry transformers and medium and high voltage insulation parts. It is fully automatic feeding, automatic material preparation, servo drive which are controlled by ser...
Selection of process parameters for vacuum heat treatment
The degree of vacuum selection depends on the chemical composition of the parts being processed and the heating and quenching temperature. In the heat treatment quenching temperature range under normal pressure, the alloying elements on the surface of the part generally do not evaporate, but heat...
Vacuum Carburizing Gas
1.C3H8 as the carburizing gas C3H8 is rich in “C” source, and early vacuum carburizing has always used propane (C3H8) as carburizing gas. Its characteristics are as follows: (1) The percolation rate is fast, and high-temperature rapid carburization can be performed. (2) There is no gr...