Molybdenum Alloy Cutting Processes

With the development of science and technology, molybdenum and molybdenum alloy is used widely. Because these materials have high strength, wear resistance and other characteristics make it processed into parts long life, but also accompanied by the cutting performance of these materials was also significantly worse. Therefore, machining such materials need to find the best way. Molybdenum has a high melting point, elastic modulus, thermal expansion coefficient, electrical conductivity, thermal conductivity, wear resistance, combined with good characteristics.

First, the formation of molybdenum parts are powder pressing, then sintering, but most parts dimensional accuracy after sintering, structure, shape, etc. can not reach the requirements, it must be finalized after machining. Therefore, molybdenum and molybdenum alloys for processing characteristics, through trial and error, basically mastered a better cutting measures.

moly process

1.Molybdenum and molybdenum alloy products

Currently used in the machining of molybdenum and molybdenum alloy products are mainly the following:

1) Mo> 99.9% pure molybdenum material, mainly for the production of molybdenum head, molybdenum rod, molybdenum orifice, etc. It may also be made ​​of molybdenum wire coating sprayed on the surface of steel to reduce wear and tear;

2) TZC (Mo-0.5Ti-0.03Zr-0.15C) alloy, which is mainly used for the production of high rigidity and hardness components. Such as rods, impeller shaft, grinding spindles, etc.:

3) TZM (Mo-0.6Ti-0.08Zr) alloy, which can be used as various high-temperature heating elements and structures, such as heat shield, molybdenum crucible, molybdenum electrodes.

(2) Molybdenum and molybdenum alloy processing characteristics

Molybdenum large adhesion, easy and the tool cutting the front and rear flank bonding occurs, the tool generates the adhesive wear; molybdenum, although it is not high hardness, but the molybdenum material of high hardness, are brittle material, the cutting processing the hardening tendency is large, that there is hardening, so that the cutting force increases, the cutting temperature.

When the cutting Molybdenum and molybdenum alloy, it must address its crisp and sticky and elastic modulus of the adhesive characteristics of the emergence of tool wear and cutting resistance, easy chipping phenomena to take measures to solve them.

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