What are the uses of vacuum furnaces
The vacuum furnace can realize processes such as vacuum quenching and tempering, vacuum annealing, vacuum solid solution and time, vacuum sintering, vacuum chemical heat treatment and vacuum coating, so the vacuum furnace can realize complex processes that other heat treatment equipment cannot handle. The classification of vacuum furnaces includes vacuum sintering furnace, vacuum annealing furnace, vacuum water quenching furnace, vacuum oil quenching furnace, vacuum brazing furnace, vacuum air quenching furnace, vacuum carburizing furnace, vacuum tempering furnace and other types. Next, let's take a look at the uses of different vacuum furnace types and the benefits of using vacuum furnaces for workpiece processing!
1. Purpose of vacuum sintering furnace:
The vacuum sintering furnace uses the principle of medium frequency induction heating under the protection of hydrogen gas after vacuuming to make the tungsten crucible in the coil generate high temperature, which is transmitted to the work through thermal radiation. It is suitable for scientific research and military units to refractory alloys such as Powder molding and sintering of tungsten, molybdenum and their alloys. It is divided into two types: horizontal vacuum sintering furnace and vertical vacuum sintering furnace. The place where the electric furnace is installed should meet the requirements of vacuum hygiene, the surrounding air should be clean and dry, and there should be good ventilation conditions, and the workplace is not easy to raise dust, etc. .
The vacuum sintering furnace is mainly used for the sintering process of semiconductor components and power rectifier devices. It can be used for vacuum sintering, gas protection sintering and conventional sintering. It is a novel process equipment in the series of semiconductor equipment. It is compact and can complete multiple processes on one piece of equipment. It can also be used for vacuum heat treatment, vacuum brazing and other processes in other fields.
2. The purpose of vacuum water quenching furnace:
a. Solid solution of austenitic stainless steel (a slightly larger size) of beryllium bronze, solid solution of special materials in the nuclear industry and water quenching; b. It can also be used for annealing.
3. Purpose of vacuum oil quenching furnace:
The vacuum oil quenching furnace is suitable for vacuum heat treatment of die steel, spring steel, stainless steel, bearing steel, high temperature alloy steel, etc. It can also have annealing function. The main points are a wide range of applicable materials, strong hardenability, low cost, and reusable quenching oil. The shortcomings are: the deformation is relatively large, and the workpiece needs to be cleaned later. Vacuum oil quenching furnace can be divided into two-chamber furnace and three-chamber furnace in structure.
4. Purpose of vacuum annealing furnace:
The vacuum annealing furnace is mainly suitable for stainless steel deep drawing parts such as plumbing equipment, without oxidation. Vacuum annealing furnace. Has high productivity. After treatment, the surface of the product is bright and non-oxidizing. It is widely used in stainless steel bearings, knives, self-tapping and self-drilling, stainless steel screws and other fields. The vacuum annealing furnace can also be used in a protective atmosphere, with less pollution. It is a barrier set up for precision parts with high-precision metal components to avoid contact with complex gas components under high temperature conditions, and can also be used for atmosphere annealing.
5. Purpose of vacuum brazing furnace:
Vacuum brazing furnace is mainly used for vacuum brazing of aluminum products such as aluminum alloy heat exchangers, brazing of stainless steel, titanium alloy, hard alloy, high temperature alloy, non-ferrous metal and high-speed steel, tool steel, bearing steel, stainless steel and other materials Vacuum tempering of non-ferrous metals, and annealing treatment of non-ferrous metals, and vacuum brazing of stainless steel heat exchangers, oil coolers, and stainless steel thermos cups.
6. Use of vacuum air quenching furnace:
The vacuum air quenching furnace is mainly used for high pressure gas quenching of high-speed steel, tool steel, die steel, alloy structural steel and other materials. It can also be used for high temperature brazing and solid solution of stainless steel materials; sintering and time processing of powder materials. At the same time, it has the function of fast cooling during annealing and solid solution.
7. Purpose of vacuum carburizing furnace:
The vacuum carburizing furnace can flexibly realize a variety of heat treatment processes, such as vacuum carburizing, vacuum carbonitriding, vacuum carburizing + oil quenching, vacuum carburizing + gas quenching, and vacuum furnace functions. It can also be used for related heat treatment of various materials and parts in the industrial field. Such as carburizing and quenching after carburizing of high-alloy carburizing steels such as 12Cr2NI4A and 12CrNi3A, carburizing and quenching after carburizing of structural steels such as 20CrMnTi, carburizing and quenching after carburizing of 1Cr13 and other stainless steels, H13, W6Mo5Cr4V2, etc. Quenching of tool and die steel, quenching and annealing of gear parts, bushing parts, precision bearings, mechanical parts of oil pump nozzles, precision mechanical parts, etc.
8. Use of vacuum tempering furnace
The vacuum tempering furnace is generally applicable to the requirements of bright surface and no oxidation color after tempering. It can be used for high temperature tempering of tool and die steel, stress relief and softening annealing of titanium alloy, copper and copper alloy when superalloy, elastic alloy and copper alloy. , and at the same time, it can also have a fast cooling function.
