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Heat Treatment Process of Die Casting Mold
1. Die Casting Mold Manufacturing Process Route General die-casting mold: forging → annealing → machining → stabilization treatment → finishing forming → quenching and tempering → fitter repair → bluing treatment. Die-casting molds with complex shapes and high precision requirements: forging → an...
Heat Treatment Process of Hot Extrusion Die
The manufacturing process of the hot extrusion die is generally: blanking→forging→preparatory heat treatment→machining→quenching and tempering→finishing. The following are the technological characteristics of each thermal processing procedure: 1. Forging process, hot extrusion die steel is mostly...
Definition and Function of Tempering After Normalizing
The purpose of tempering after normalizing is generally mainly for large cross-section parts. It has the following functions, which are very important. For parts such as motor shafts and press containers (the material is generally carbon steel or low-alloy structural steel), normalizing + high te...
Vacuum Chemical Heat Treatment and Vacuum Quenching Technology
1. Vacuum Chemical Heat Treatment Technology Vacuum carburizing. Using propane cracking gas (CH4-H2) and pulse technology. The oxygen probe was used to measure and control the atmosphere of ethanol infiltrating agent, and the clutch gear was vacuum carburized. The effective hardened layer depth w...
Tempering Method and Purpose of Vacuum Tempering Furnace
Tempering operations can generally be divided into three categories: high temperature tempering, which refers to tempering at a temperature below the A1 line to 500°C; medium temperature tempering, which refers to tempering at a temperature in the range of 250 to 500°C; low temperature tempering,...
Process Performance of Steel-bonded Cemented Carbide
1. Hot Working of Steel Bonded Cemented Carbide Steel-bonded cemented carbide has malleability. After forging, it can increase the density of the alloy, improve the distribution of hard phases, reduce segregation of carbides, and shape the material. The forgeability of steel-bonded cemented carbi...
Introduction of Tools and Fixtures For Ion Nitriding
Generally, the ion nitriding process does not require tools or fixtures or only simple tools and fixtures. For example, when the gear is nitriding, it only needs to be directly placed on the cathode disk; the cylinder liner only needs to be placed on the cathode disk with three pillars underneath...
Comparison of Vacuum Heat Treatment and Traditional Heat Treatment
Vacuum heat treatment is a comprehensive technology that combines vacuum technology and heat treatment. It means that all and part of the heat treatment process is carried out in a vacuum state. Vacuum heat treatment can almost realize all heat treatment processes, such as quenching, annealing, t...
The Influence of Sintering Temperature On the Performance of Sic
The hot-pressing sintering method is used to prepare a round cake-like block material with a thickness of 10mm and a diameter of 60mm. The specific pressureless sintering process parameters are 30MPa, and the sintering is 1h. Change the piece, sintering temperature to 1800C, 1835C, 1870C, 1900C a...
What is Solid Phase Sintering of SiC Ceramics?
Solid-phase sintering means that the sintering aid does not produce a liquid phase during the sintering of SiC ceramics, but reacts in a solid state to densify the material. In 1975, Proehazka took the lead in using a small amount of B and C force sintering aids to successfully sinter SiC ceramic...