The use of hard alloy sheets

Release time:

2024-07-04

Hard alloy sheet is an alloy mainly composed of one or more refractory carbide powders (tungsten carbide, titanium carbide, etc.), with metal powders (cobalt, nickel, etc.) added as binders. Mainly used for manufacturing high-speed cutting tools and cutting tools for hard and tough materials, as well as cold working molds, measuring tools, and high wear-resistant parts that are not affected by impact and vibration.
Hard alloy sheets have a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance, etc. Especially their high hardness and wear resistance remain basically unchanged even at a temperature of 500 ℃, with high hardness at 1000 ℃. Hard alloy sheets are widely used as tool materials, such as turning tools, milling cutters, planers, drill bits, boring cutters, etc., for cutting cast iron, non-ferrous metals, plastics, chemical fibers, graphite, glass, stone and ordinary steel, as well as for cutting difficult to machine materials such as heat-resistant steel, stainless steel, high manganese steel, and tool steel. The cutting speed of new hard alloy cutting tools is now hundreds of times higher than that of carbon steel.
The use of hard alloy sheets
⑴ Cutting tool material
There are many cutting tool materials for hard alloy sheets, which can be used to make turning tools, milling cutters, planers, drill bits, etc. Among them, tungsten cobalt hard alloy is suitable for processing short black and non-ferrous metals. Processing of chips and non-metallic materials, such as cast iron, cast brass, bakelite, etc; Tungsten titanium cobalt hard alloy is suitable for steel and other ferrous metals. Among similar alloys, those with high cobalt content are suitable for rough machining, while those with low cobalt content are suitable for precision machining. The processing life of general-purpose hard alloys used for difficult to machine materials such as stainless steel is much longer than that of other hard alloys.
⑵ Mold material
Hard alloy sheets are mainly used as cold working molds such as cold drawing dies, cold stamping dies, cold extrusion dies, and cold forging dies.
⑶ Measuring tools and wear-resistant parts
Hard alloy sheets are also used for wear-resistant parts, such as wear-resistant surface inserts and measuring tool parts, bearings of grinders, guide plates and rods of centerless grinders, and tops of lathes.

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