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Application of cemented carbide
Carbide is the largest amount of tool materials, which can be used to make turning tools, milling cutters, planers, drills, etc. Among them,
Release time:
2022-09-16
(1) Tool material
Carbide is the largest amount of tool materials, which can be used to make turning tools, milling cutters, planers, drills, etc. Among them, tungsten-cobalt cemented carbide is suitable for short chip processing of ferrous and non-ferrous metals and processing of non-metallic materials, such as cast iron, cast brass, bakelite, etc.; tungsten-titanium-cobalt cemented carbide is suitable for long-term processing of ferrous metals such as steel. Chip machining. Among similar alloys, those with more cobalt content are suitable for rough machining, and those with less cobalt content are suitable for finishing. General-purpose cemented carbides have much longer machining life than other cemented carbides for difficult-to-machine materials such as stainless steel.
(2) Mold material
Cemented carbide is mainly used for cold working dies such as cold drawing dies, cold punching dies, cold extrusion dies, and cold pier dies.
Carbide cold heading dies are required to have good impact toughness, fracture toughness, fatigue strength, bending strength and good wear resistance under the wear-resistant working conditions of impact or strong impact. Medium and high cobalt and medium and coarse grain alloy grades are usually used, such as YG15C.
Generally speaking, the relationship between wear resistance and toughness of cemented carbide is contradictory: the increase of wear resistance will lead to the decrease of toughness, and the increase of toughness will inevitably lead to the decrease of wear resistance. Therefore, when selecting alloy grades, it is necessary to meet specific use requirements according to the processing object and processing working conditions.
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