Thermal treatment clamp made from CFC (Chlorofluorocarbon) composite material

Abstract

The invention provides a thermal treatment clamp made from a CFC composite material. The thermal treatment clamp comprises main body bearing discs, a supporting rod and ceramic supporting tubes, wherein the supporting rod is at least provided with two main body bearing disc layers; the main body bearing disc layers are supported by a plurality of ceramic supporting tubes; a graphite reinforcing block is arranged between upper and lower working plates on the main body bearing discs; the upper and lower working plates are fixedly connected with the graphite reinforcing block by sunk screws; each working plate is made from the CFC composite material. According to the invention, the CFC composite material (C-C material) is adopted as the thermal treatment clamp; the material is small in density, so the weight of the clamp can be reduced; the usage temperature and the thermal treatment temperature can be greatly increased; deformation is hard to generate; the overall clamp surface is sprayed with a chromium compound coating, so the clamp is quite good in wear resistance and stability; moreover, no harmful atmosphere is generated to pollute components; the components are prevented from fusion corrosion and refusion; the service life of the clamp can be prolonged; the quality of thermally-treated components can be improved.

Description

technical field [0001] The invention relates to the technical field of heat treatment, in particular to a heat treatment fixture for CFC composite materials. Background technique [0002] At present, most of the traditional heat treatment fixtures are made of metal materials, which are combined and connected by casting, welding, etc., and the materials used are mostly high-temperature alloys, such as: GH39, GH4049 and so on. The fixture manufactured by the above method has many limitations and disadvantages. The strength of the fixture is reduced in high temperature environment, the welding point is prone to cracking and disconnection, the fixture itself is easy to change, and the load-bearing capacity is insufficient, which seriously affects the service life of the fixture; Fixtures are welded and fixed, and the repair ability after deformation and damage is poor, so they cannot be repaired and reused; at the same time, metal fixtures and heat-treated parts belong to the sa...

AI Technical Summary

Problems solved by technology

The fixture manufactured by the above method has many limitations and disadvantages. The strength of the fixture is reduced in high temperature environment, the welding point is prone to cracking and disconnection, the fixture itself is easy to change, and the load-bearing capacity is insufficient, which seriously affects the service life of the fixture; Fixtures are welded and fixed, and the repair ability after deformation and damage is poor, so they cannot be repaired and reused; at the same time, metal fixtures and heat-treated parts belong to the same metal matrix, which is prone to diffusion of metal elements, resulting in contamination of heat-treated parts. In the case of alloys, it is easy to cause corrosion, which eventually leads to the scrapping of parts and damage to equipment.

[0003] Due to various disadvantages of the heat treatment fixture of metal materials, the use effect and life are affected, which makes the fixture replacement rate extremely high and increases the production cost

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