PCD (Poly Crystal Diamond) thread drilling and milling cutter
A technology for drilling and milling cutters and threads, applied in the field of PCD thread drilling and milling cutters, can solve the problems of occupying tool positions, not giving full play to the advantages of CNC equipment, increasing auxiliary time for tool change, etc., to achieve reduction of tool positions, small friction coefficient, good Effect of Surface Roughness Value
Active Publication Date: 2013-03-27
博澳精密工业(大连)有限公司
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Problems solved by technology
[0002] In the threaded hole processing of non-ferrous metals and non-metallic materials, the machining center usually uses a cemented carbide drill (PCD drill) to process the threaded bottom hole first, then converts the tool, and uses a tap or a thread milling cutter to tap the thread, requiring two tool positions For processing, it not only occupies a limited tool position, but also increases auxiliary time such as tool change, which cannot give full play to the advantages of CNC equipment in batch processing
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[0016] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0017] A PCD thread drilling and milling cutter for processing M8x1.25 as an example, such as Figure 1-3 As shown, the cutter body 2 is a milling cutter with a thread structure, and the cutter body 2 is made of hard alloy. The two relief angles are 25o, one of which passes through the center. There are two chip flutes along the 2 axis of the cutter body, the diameter of the middle thread milling cutter is 6.5mm, the thread profile is metric 60o, the pitch is 1.25, the first radial relief angle is 15o, the width is 0.5mm, and the second relief angle is 20o , The rear end of the cutter body 2 has a chamfered edge 45°, a diameter of 9 mm, a shank of carbide, a diameter of mm, and the cutter body blade 1 is made of PCD material.
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The invention discloses a PCD (Poly Crystal Diamond) thread drilling and milling cutter, wherein the cutter body is a milling cutter with a thread structure; the cutter body is made of hard alloy; a drill is arranged at the front end of the cutter body; the vertex angle of a drill tip is 130-140 degrees; a first rear angle is 120 degrees; the width is 0.5mm; the second rear angle is 25 degrees; an edge passes through the center; two chip spaces are arranged along the axis of the cutter body; the first rear angle in the radial direction of the middle thread milling cutter part is 15 degrees; the width is 0.5mm; the second rear angle is 20 degrees; a chamfering edge is formed at the rear end of the cutter body, and the edge part of the cutter body is made of a PCD material. The PCD thread drilling and milling cutter has the characteristics that tool positions are reduced; twice processing of two support cutters is merged into a whole; non-manufacturing time generated when the cutter is replaced is reduced, and the service life of the tool is prolonged.
Description
technical field [0001] The invention relates to a machining tool, in particular to a PCD thread drilling and milling cutter. Background technique [0002] In the threaded hole processing of non-ferrous metals and non-metallic materials, the machining center usually uses a cemented carbide drill (PCD drill) to process the threaded bottom hole first, then converts the tool, and uses a tap or a thread milling cutter to tap the thread, requiring two tool positions For processing, it not only occupies a limited tool position, but also increases auxiliary time such as tool change, which cannot give full play to the advantages of CNC equipment in batch processing. Contents of the invention [0003] The invention overcomes the shortcomings in the prior art and provides a PCD thread drilling and milling cutter. [0004] In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions: [0005] A PCD thread drill...
Claims
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IPC IPC(8): B23G5/20
Inventor 陈卫峰刘国栋
Owner 博澳精密工业(大连)有限公司
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