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PCD cutting tools

Polycrystalline diamond (PCD) composite sheet is a kind of knife blank which is made by uniformly mixing metal particles with a particle size of micron order and metal powders such as Co and Ni, and sintering it on a tungsten carbide (WC) substrate under high pressure and high....

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PCD SeriesRough gritMedium grain seriesFine-grained series
TypeDAIS 032-ADAIS 032-BDAIS 025-ADAIS 025-BDAIS 012-ADAIS 010-ADAIS 010-BDAIS 010-CDAIS 005-A
SEMPCD cutting toolsPCD cutting toolsPCD cutting toolsPCD cutting toolsPCD cutting toolsPCD cutting toolsPCD cutting toolsPCD cutting toolsPCD cutting tools
Diameter48.0
Total Thickness(mm)1.2,1.6,2.0,2.5,3.2
PCD layer(mm)0.5±0.15
Diamond grit in averge(mm)30+2
30+2252510+21010105
Product featurePCD disc is high wear-resistant.higher impact-resistant rank is 025-A、025-B、032-A and 032- B . More strength EDM processing is 025-A、032-A、032-B and 025-BThis series of products combines high wear resistance, high impact toughness and high surface finish of the workpiece being machined. The wear resistance is enhanced in the order of 010-C, 010-B, 012-A and 010-A, and the impact toughness is enhanced in the order of 010-A, 01 2-A, 010-B, 010-C, and the EDM performance depends on 010-A, 012-A, 010-C, 010-B order enhancement.High impact toughness, easy to be machined, surface roughness of the workpiece being machined
ApplicationPorcelain, hard alloy, carbonized laurel, stone, composite laminate flooring, etc.Harsh processing operations such as particleboard and other large feedsProcessing of laminate flooring, density boards, carbon fiber materials, silicon carbide, high silicon aluminum alloys, etc.The production of various ordinary woodworking saw blades requires the manufacture of electric spark sharpening products.Finishing of circuit boards, silicon-aluminum alloys, copper alloys, etc.Wood, circuit board, low silicon aluminum alloy, medium silicon aluminum alloy, fine ceramic processing.Wire cutting is used to make a variety of cutter heads.A variety of finishing operations with a large amount of feed and a relatively low wear resistanceLow-silicon aluminum alloy, non-black metal required for high-gloss finish, precision machining of semiconductors, glass, etc.

PCD cutting tools composite sheet is a kind of knife blank which is made by uniformly mixing metal particles with a particle size of micron order and metal powders such as Co and Ni, and sintering it on a tungsten carbide (WC) substrate under high pressure and high temperature. new material. PCD composite sheets not only have the superior properties of diamond high hardness, high wear resistance, high thermal conductivity, low friction coefficient, low thermal expansion coefficient, but also good strength and toughness of cemented carbide. Therefore, it can be cut into the required cutter head, and the cutter head is welded to the cutter body and sharpened into a PCD cutter.


Main performance indicators of PCD tool materials:

1. The hardness of PCD can reach 8000HV, which is 80~120 times that of cemented carbide;

2. The thermal conductivity of PCD is 700W/mK, which is 1.5-9 times that of cemented carbide, even higher than PCBN and copper, so the heat transfer of PCD cutter is rapid;

3. The coefficient of friction of PCD is generally only 0.1 to 0.3 (the friction coefficient of cemented carbide is 0.4 to 1), so PCD tools can significantly reduce the cutting force;

4. The thermal expansion coefficient of PCD is only 0.9×10 -6~1.18×10 -6, which is only equivalent to 1/5 of the cemented carbide. Therefore, the PCD cutter has small thermal deformation and high processing precision.

5. The affinity between PCD cutters and non-ferrous metals and non-metallic materials is very small. During the processing, the chips are not easy to bond on the tip to form built-up edge.

Due to its superior performance, PCD tools are widely used in the processing of non-ferrous and non-metallic materials.

 

     Application range

Material to be processed

Non-ferrous metals, aluminum, alloys, motorcycles, pistons, cylinders, hubs, gearboxes, pump bodies, intake pipes, various housing parts, etc.

Aircraft, electromechanical: various boxes, housings, compressor parts, etc.

Precision machinery: various cameras, copiers, measuring instrument parts, etc.

General machinery: various pump bodies, hydraulic presses, mechanical parts, etc.

Copper, copper alloys, internal combustion engine ships: various shafts, bushings, bearings, pump bodies, etc.

Electronic instruments: various instruments, motor commutators, printed circuit boards, etc.

General machinery: various bearings, bushings, valve bodies, housings, etc.

Carbide Sintered products such as various valve seats and cylinders, semi-sintered products, etc.

Other various non-ferrous metals such as magnesium and zinc

Non-metallic wood, various hardwood, wood-based panels, artificial wear-resistant fiberboard and products

Reinforced plastic glass fiber, carbon fiber reinforced plastic, etc.

Rubber paper rolls, rubber rings, etc.

Graphite carbon rod, etc.

Ceramic seal ring, plunger and other sintered products and semi-sintered products


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