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Slim shaft vacuum hardening
The slender shaft used in a product of our factory is heated and quenched in a converter, which has different degrees of heating and quenching deformation, and the straightening workload is large. We study the application of vacuum furnace quenching equipment instead of converter for heating and ...
Four stages of cemented carbide vacuum sintering
Cemented carbide vacuum sintering is a process of sintering under sub-atmospheric pressure. This process includes plasticizer removal, degassing, solid-phase sintering, liquid-phase sintering, alloying, densification, and dissolution. Let’s take a look at the four major processes of cement...
Aluminum alloy die-casting mold vacuum heat treatment
The failure modes of die casting molds include thermal fatigue cracking, thermal wear and thermal erosion. The performance requirements for die-casting molds are: high heat resistance and good high temperature mechanical properties; excellent cold and heat fatigue resistance and high thermal cond...
Vacuum heat treatment of automotive leaf springs
Automobile leaf spring is a kind of elastic element, its function is to bear the action of the carriage and the load (static load), it can transmit the vertical load, ease and restrain the impact caused by the uneven road, and limit the vibration of the body and the wheels. As an elastic element,...
Vacuum Heat Treatment of Cast Steel Valve Seats
Steel casting is a combination of casting forming process and steel material, which has both advantages. It can not only have complex shapes that are difficult to obtain by other forming processes, but also maintain various properties unique to steel. The performance and reliability of steel cast...
High corrosion resistance aluminum alloy brazing sheet and its vacuum heat treatment process
The automobile heat exchanger is located at the front end of the automobile, and is subject to pollution from rainwater, salt volatilized from the road, exhaust gas, sand, dust and mud from the automobile, as well as repeated hot and cold cycles and periodic vibrations. Therefore, the composite a...
Gear vacuum heat treatment process
The deformation of vacuum heat treatment of vacuum carburizing gear directly affects the accuracy, strength, noise and life of the gear. Even if the gear grinding process is added after the vacuum carburizing heat treatment, the deformation will still reduce the accuracy level of the gear. There ...
Vacuum Heat Treatment of Aluminum Alloys
The metallographic structure of cast aluminum alloy is coarser than that of deformed aluminum alloy, so it is also different during vacuum heat treatment. The former has a long holding time, generally more than 2h, while the latter has a short holding time, only tens of minutes. Because the metal...
Vacuum heat treatment for parts production
Vacuum heat treatment is an indispensable process in the production and processing of parts. The position of the vacuum heat treatment process in the processing route is determined according to the purpose and function of the vacuum heat treatment. The purpose of pre-vacuum heat treatment is to e...
Surgical instruments stainless steel vacuum heat treatment
Cr13 stainless steel is a commonly used martensitic stainless steel. There are 5 kinds of steel grades. It is named after the single-phase martensitic structure obtained in the quenched state. It is widely used in surgical instruments. The purpose of heat treatment is not only to obtain certain m...