Milling insert and milling tool
A technology for milling cutters and blades, which is applied in the direction of milling cutters, milling machine equipment, manufacturing tools, etc., can solve the problem of chip limitation, achieve the effects of prolonging service life, good chip breaking ability, and increasing cutting feed
Active Publication Date: 2019-02-26
ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
In the prior art, the chip length of the blade can be controlled by the geometry of the blade, but the width of the chip is usually limited by the depth of cut, that is, it is difficult to meet the requirements of high cutting efficiency and good chip breaking ability at the same time
Method used
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Embodiment Construction
[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0034] figure 1 and figure 2 A first embodiment of a milling insert according to the invention is shown, comprising an upper surface 2, a lower surface 3, a plurality of sides 4 connecting the upper surface 2 and the lower surface 3, and corner faces between adjacent sides 4 5. The side surface 4 and the upper surface 2 form an upper cutting edge 21, the corner surface 5 and the upper surface 2 form an upper corner edge 51, any two adjacent upper cutting edges 21 and the upper corner edges connecting the adjacent upper cutting edges 21 51 forms the upper cutting unit 61, wherein one of the upper cutting edges 21 in the upper cutting unit 61 is the main cutting edge, and the other upper cutting edge 21 is the secondary cutting edge. When the upper cutting unit 61 participates in cutting, the upper cutting unit 61 is used as the main ...
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The invention discloses a milling blade and a milling cutter. The milling blade comprises an upper surface, a lower surface, a plurality of side surfaces connected with the upper surface and the lower surface, and corner surfaces located between adjacent side surfaces; the side surfaces and the upper surface form upper cutting edges; the corner surfaces and the upper surface form upper corner edges; any two adjacent upper cutting edges and the upper corner edge connected with the adjacent upper cutting edges form an upper cutting unit, and one upper cutting edge in the upper cutting unit is a primary cutting edge, while the other upper cutting edge is a secondary cutting edge; when each upper cutting unit joins in cutting, the upper cutting edge serving as the primary cutting edge of the upper cutting unit forms a workpiece cutting angle with a surface of a workpiece; in the same cutting direction, the workpiece cutting angles of the upper cutting edges serving as the primary cutting edges of the adjacent upper cutting units are different. The milling cutter of the present invention is provided with the milling blade; the milling blade of the present invention has the advantage of simple structure, and has the advantages of great cutting depth, good cutting ability, low cutting load and the like.
Description
technical field [0001] The invention relates to the field of metal cutting, in particular to a milling insert and a milling tool. Background technique [0002] During the milling process of the insert, the shape of the chip has a major impact on the life of the insert and the magnitude of the cutting force. Broken chips can reduce the load on the edge and prolong the life of the tool, and easily broken chips can shorten the contact time between the chip and the upper surface of the blade, reduce the cutting heat of the edge and reduce the cutting force. In order to improve the cost performance of the blade, people put a lot of energy into the shape and groove structure of the blade to achieve optimal control of chips. In the prior art, the chip length of the blade can be controlled by the geometry of the blade, but the width of the chip is usually limited by the cutting depth, that is, it is difficult to meet the requirements of high cutting efficiency and good chip breakin...
Claims
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IPC IPC(8): B23C5/20
CPCB23C5/20
Inventor 江爱胜王社权刘敏李屏
Owner ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD