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Milling blade

A blade and milling technology, which is applied in the field of milling blades, can solve the problems of reducing cutting force and anti-crack performance, and achieve the effects of light cutting, reduced vibration, and reduced cutting resistance

Active Publication Date: 2019-02-22
ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above two patents do not link the reduction of cutting force, chipping resistance and curling and breaking of chips, but in actual use, cutting force, chipping resistance and chip curling and breaking often affect each other Therefore, the present invention provides a milling insert that can reduce cutting force while increasing chip volume, chip breaking performance and chipping resistance during high-feed milling.

Method used

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Experimental program
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Effect test

Embodiment 1

[0032] Such as Figure 1 to Figure 4 As shown, the milling insert of this embodiment takes the quadrangular insert body 1 as an example, each side 2 forms a cutting edge 4 on the rake face 3 of the insert body 1, and two adjacent cutting edges 4 pass through the arc edge 5 connection, the cutting edge 4 is provided with a wiper edge 41, an inverted V-shaped edge 42, and a transitional straight cutting edge 43 connected in sequence between the two arc edges 5, and the wiper edge 41 is arranged horizontally, and the wiper edge 41 and the inverted The upslope edge 421 of the V-shaped edge 42 is connected, the transition linear cutting edge 43 is connected with the downslope edge 422 of the inverted V-shaped edge 42, and the apex P of the inverted V-shaped edge 42 is the highest point on the rake face 3 . The wiper edge 41 is connected with the arc edge 5 at one end, and the transition straight cutting edge 43 is connected with the arc edge 5 at the other end. The side surface 2 ...

Embodiment 2

[0040] Such as Figure 7 and Figure 8 As shown, the milling insert of the present embodiment differs from Embodiment 1 in that:

[0041] In this embodiment, the insert body 1 has a convex triangular structure, the wiper edge 41 is connected to the arc edge 5 at one end through the connecting edge 44, and the transition straight cutting edge 43 is directly connected to the arc edge 5 at the other end, so that the inverted V The shape edge 42 and the transition straight cutting edge 43 are in a reasonable position.

[0042] The rest of this embodiment is basically the same as that of Embodiment 1, and will not be repeated here.

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Abstract

The invention discloses a milling blade. A polygonal blade body is included. A cutting edge is formed on the front tool face of the blade body through each side face, and every two adjacent cutting edges are connected through an arc edge. A sleeking edge, an inverted-V-shaped edge and a transition linear cutting edge are arranged on the part, between every two arc edges, of the corresponding cutting edge and are sequentially connected, wherein the sleeking edge is horizontally arranged, the sleeking edge and an upslope edge of the inverted-V-shaped edge are connected, the transition linear cutting edge and a downslope edge of the inverted-V-shaped edge are connected, and the top point of the inverted-V-shaped edge is the highest point on the front tool face. The cutting force on the two sides of the top point P of each inverted-V-shaped edge are opposite in direction, most of force can be offset, the cutting resistance is effectively reduced, accordingly, cutting is light, and vibration is reduced.

Description

technical field [0001] The present invention relates to metal cutting tools, in particular to a milling insert. Background technique [0002] Existing high-feed milling inserts used for metal cutting are generally single to make the cutting force small, or to make the insert resistant to chipping, and seldom combine the curling, breaking, cutting force and chipping resistance of chips It is considered that during cutting, the chip curling and breaking performance is not good, resulting in increased cutting force, high cutting temperature, aggravated wear and chipping of the blade, and seriously affecting the life of the blade and cutting effect. [0003] Chinese patent document CN102317018A discloses a rotary cutter with replaceable inserts, which is characterized in that it reduces the cutting resistance while maintaining the chipping resistance of the main cutting edge formed in the cutting insert. This is achieved with a widened chamfered edge. [0004] Chinese patent d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/00
CPCB23C5/00B23C2200/08B23C2200/12B23C2200/286
Inventor 杨志峰刘伟谢宏刘敏杨德图江隽诚谢慧
Owner ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD