Novel PCD milling tool generating few accumulated chips at tool edge

A technology of chip accumulation and cutting edge, which is applied in the field of new PCD milling cutters, can solve the problems of shortened service life of PCD milling cutters, affecting surface smoothness, and wear of workpieces, so as to facilitate the formation and removal of cutting, improve service life, The effect of reducing the generation of chip accumulation on the edge of the knife

Inactive Publication Date: 2015-12-16
江苏中晟钻石工具有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the PCD milling cutter in the prior art is easy to accumulate chips at the edge of the cutter during the milling process of the cylinder block, which will not only cause wear to the workpiece, affect its surface smoothness, and reduce the processing efficiency. Extrusion wear occurs during the running-in process, which greatly shortens the service life of the PCD milling cutter and increases the processing cost

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  • Novel PCD milling tool generating few accumulated chips at tool edge
  • Novel PCD milling tool generating few accumulated chips at tool edge
  • Novel PCD milling tool generating few accumulated chips at tool edge

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Embodiment Construction

[0013] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0014] A new type of PCD milling cutter with less chip accumulation on the cutting edge, comprising a handle 1 and a four-leaf cutter head 2, wherein, the tail end of the handle 1 is provided with a mounting groove 3 towards the inside of the handle, and the mounting groove 3 is formed by a shaft End connecting groove 4, sealing groove 5 and locking positioning groove 6, the two ends of the sealing groove 5 are respectively connected with the shaft end connecting groove 4 and locking positioning groove 6, the locking positioning groove 6 is located at the end of the handle The shaft end connecting groove 4 is provided with a shaft pin 7, and the surface of the shaft pin 7 is provided with a plurality of protrusions 8, and the plurality of protrusions 8 are arranged around the shaft pin 7, and the inner wall of the sealing groove 5 is provided with ...

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Abstract

The invention relates to a novel PCD milling tool generating few accumulated chips at a tool edge. The novel PCD milling tool comprises a tool handle and a four-blade tool bit; the tail end of the tool handle is provided with an installing groove towards the interior of the tool handle, the installing groove is composed of a shaft-end connecting groove, a sealing groove and a locking positioning groove, a shaft pin is arranged in the shaft-end connecting groove, the inner wall of the sealing groove is provided with multiple seal rings, the locking positioning groove is provided with a positioning hole, and the two sides of the tool handle are provided with a first connecting hole and a second connecting hole respectively; the four-blade tool bit comprises a first blade, a second blade, a third blade and a fourth blade which are each provided with a PCD blade point, and an axial positive rake angle theta is formed at the top end of each PCD blade point and is 15 degrees. According to the novel PCD milling tool generating the few accumulated chips at the tool edge, generation of the accumulated chips at the tool edge is reduced, the service life of the PCD milling tool is effectively prolonged, the machining efficiency and the surface smoothness of a machined workpiece are improved, and the cost is lowered.

Description

technical field [0001] The invention relates to a milling cutter, in particular to a novel PCD milling cutter with less chip accumulation on the cutting edge. Background technique [0002] PCD milling cutter is a kind of diamond tool, which has the characteristics of high hardness, high compressive strength, good thermal conductivity and wear resistance, and can obtain high processing accuracy and processing efficiency in high-speed cutting. Due to this material characteristic, PCD Milling cutters are widely used in cutting processes. [0003] However, the PCD milling cutter in the prior art is easy to accumulate chips at the edge of the cutter during the milling process of the cylinder block, which will not only cause wear to the workpiece, affect its surface smoothness, and reduce the processing efficiency. Extrusion wear occurs during the running-in process, which greatly shortens the service life of the PCD milling cutter and increases the processing cost. Contents of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/00
Inventor 刘卫民
Owner 江苏中晟钻石工具有限公司
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