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Quenching heat treatment of workpiece
The cause of the uneven hardness in quenching heat treatment of workpieces In order to meet the requirements of mechanical properties of products, more than 90% of steel manufacturers will heat treat them, most of which need to be tempered, such as drill pipe joints, directional joints, screw dri...
Heat treatment quenching oil
Classification, performance characteristics and application scope of heat treatment quenching oil Heat treatment oil is a kind of treatment oil with strong cooling performance and good oxidation stability. It can be divided into ordinary quenching oil and fast quenching oil. Quenching oil is a ki...
Quenching hardness of workpiece
The main factors causing the uneven hardness of the workpiece In the process of quenching, due to the different flow speed of the quenching cooling medium around the workpiece, and even the formation of “dead angle” of the liquid flow in some parts, the cooling speed of different part...
Vacuum heat treatment of precision die
How to prevent heat treatment deformation of precision die As we all know, during the vacuum heat treatment, especially in the process of vacuum quenching, due to the temperature difference caused by the different heating and cooling speed of each part of the die cross section, as well as the une...
vacuum brazing furnace welding effect
The brazing method in vacuum furnace is a new one without flux under vacuum condition. Because the brazing is in the vacuum environment, it can effectively eliminate the harmful effect of air on the workpiece, so it can be successfully brazed without applying flux. It is mainly used to braze meta...
Vacuum quenching furnace
The composition of vacuum quenching furnace and the function of its components Vacuum quenching furnace is a series of solution treatment and aging treatment for high-speed steel, stainless steel, alloy steel, titanium alloy and other materials. In the past decade, vacuum quenching furnace has &#...
Incomplete annealing and complete annealing
Incomplete annealing, also known as incomplete crystallization annealing, is a process of heating the steel to a certain temperature between AC1 and AC3 or AC1 and ACM, and cooling it down slowly after heat preservation, so that the steel structure undergoes incomplete recrystallization. Complete...
Vacuum heat treatment cooling method
Two cooling methods commonly used in vacuum heat treatment In the quenching process, cooling is an important process to achieve the purpose of heat treatment, in order to maintain the workpiece in the process of vacuum heat treatment excellent characteristics, the selection and formulation of coo...
Heat treatment, annealing, quenching and hardening
What is heat treatment annealing and hardening treatment Before the invention of modern metal processing technology, blacksmiths used heat to make metal available. Once the metal formed the required shape, the heated metal was rapidly cooled, and the rapid cooling made the metal harder and more b...
Sintering process of cemented carbide
Cemented carbide is composed of various carbide and iron element, such as WC – Co, WC – TiC – TaC – NbC – Co or TiC – Mo ₂ C – Ni.The typical characteristic of these materials is that almost 100% theoretical density can be achieved through liquid phase si...