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Diamond tool machine tools

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Diamond tool machine tools

Release date:2015-06-26 00:00 Source: Views:

Alloy grinding head at present, the single crystal diamond and PCD (or PCD/CC), and CVD diamond are successfully used for turning tool, boring cutter, drill, reamer, milling cutter, forming cutter and gear cutting tool and cutting part of the production materials.

Varieties of diamond material must be according to the properties of material processing and processing requirements to select, in addition to meet the technical requirements, should also meet the requirements of economic and environmental performance.

PCD and PCD/CC material

PCD and PCD/CC is commonly used in the production of diamond material, it is not only applicable to mechanical processing field, usually also widely used in automobiles, motorcycles, high-speed train, petroleum, chemical, construction, wood processing, and aerospace industries. In the field of automobile and motorcycle, PCD and PCD/CC is suitable for processing of engine aluminium alloy piston skirt, pin hole, cylinder, gearbox, carburetor, such as wear-resistant parts. And most of these components is higher silicon content (Si > 12%) of aluminum matrix composites, its high hardness of hard particles (such as SiC hardness up to 3000 ~ 3500 hv) distribution in aluminum alloy substrate, is like grinding wheel in the grinding grain will be on the cutting edge tool grinding and impact, and make the cutting edge wear quickly. The higher the hardness of hard particle, the greater the size of particles, the more the number of particles, the tool wear more quickly. Therefore, using traditional carbide cutting tools is very difficult to carry on the processing, very low or cannot use the knives' service life. Diamond is the hardest substance known in the world, the actual use proves that it is the best tool for machining aluminum matrix composite materials.

Using PCD diamond processing aluminum matrix composites, the cutting speed can reach 800 ~ 1000 m/min, the knives' service life than high several times even more hard, processing surface roughness value can reach Ra0.025 ~ 0.012 microns. Shown in figure 2 to 20% SiC nu processed with PCD tool to drill the aluminum matrix composite application of screw pump shell.

Using PCD (or PCD/CC) tool processing carbon fiber and glass fiber reinforced plastic (FRP), the chip into powder, cutting temperature is low, and cutting length is K class 10 times the size of carbide cutting tools, and the wear is less than 1/3 of the carbide cutting tools.

PCD tool (or PCD/CC) is also applicable to processing after presintering carbide and wear-resisting of non-metallic materials, such as ceramics, rubber, graphite, glass and all kinds of wear-resistant wood, etc.

PCD cutting tool performance mainly depends on its applications and the process involved, but choose the appropriate type and particle size will impact on it. Different varieties of PCD blade, due to the different composition, cutting performance there is a big difference, must be careful when use.

PCD blade not like cemented carbide in the world have unified classification, each manufacturer has its own varieties and grades, when using samples must consult factory to choose. Machine tool

Related tags:Hardmetalburrs

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