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December 24, 2022
Development Trend of Tool Materials in Precision Parts Processing
In the field of precision parts processing, with the development of modern technology, there are more kinds of tools and more complete specifications. In the rapidly changing parts processing industry, people have increasingly high requirements for tool performance, and the old tool materials can no longer meet the needs of the processing industry. The call for new materials is getting stronger and stronger, and new alloy materials, such as ultra-fine grain alloy and titanium based cemented carbide, have sprung up.
Ultra-fine grain alloy ultra-fine grain alloy is a kind of hard alloy with high hardness, high strength and sharp edge. its grain size is less than um, most of which is less than 0.5 um. It is suitable for low-speed machining of all kinds of difficult to machine materials, such as stainless steel, heat-resistant steel, chilled cast iron, titanium alloy and aluminum alloy, and especially suitable for manufacturing all kinds of small-sized solid carbide tools.
Carbon, titanium nitride based cemented carbides Carbon and titanium nitride based cemented carbides are sintered with TiC and TiN as the main components, and other carbides are added, with nickel and molybdenum as the binder. Its main advantages are high hardness, good oxidation performance, small friction coefficient, difficult chip bonding, good abrasion resistance against crescent pits, and low relative density. It is called "cermet" and is suitable for high-speed finishing and semi finishing of steel parts. At present, it is suitable for milling and manufacturing of integral milling cutter in the field of precision parts processing.
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