Novel cutting off tool
A cutting-off turning tool, a new type of technology, applied in the direction of tools for lathes, turning equipment, accessories of tool holders, etc., can solve the problems of weakening of strength, cracking, and easy clogging of chips, and achieve the effect of improving strength and rigidity
Inactive Publication Date: 2013-01-30
SUZHOU FUMAI PRECISION MACHINERY
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Problems solved by technology
[0002] The cutting tool cuts narrow and deep grooves, the chip removal space is small, and the chips are easily blocked. In order to reduce the friction with the machined surface, the two sides of the cutting part must be ground with secondary deflection angles, so the strength of the root is greatly weakened.
In addition, when the cutting tool is close to the center of the workpiece, the cutting speed tends to zero, which is not conducive to cutting
Therefore, the cutting tool is very easy to "knive" (crack) during work
Method used
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[0011] The present invention is described below in conjunction with accompanying drawing.
[0012] as attached figure 1 The shown a kind of novel cut-off turning tool of the present invention, comprises cutter bar 1 and cutter head 2; Described cutter head 2 is arranged on one end of cutter bar 1; The width of described cutter head 2 is the width of cutter bar 1 Half; the cutting edge 3 of the cutter head 2 is in the shape of a "herringbone"; the depression on the cutting edge 3 is a chip removal groove 4; the lower part of the cutter head 1 is provided with a convex belly 5; the cutter head 2 The width of the upper surface is greater than the width of the small surface.
[0013] Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:
[0014] The new cutting turning tool of the present invention, because the cutting edge is in the shape of a "herringbone" and the front is ground into a...
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The invention discloses a novel cutting off tool comprising a tool bar and a tool bit, wherein the tool bit is arranged at a half of the tool bar; the width of the tool bit is equal to a half of the tool bar; the cutting edge of the tool bit is herringbone; a depression on the cutting edge is a chip room; a convex belly is arranged on the lower part of the tool bit; and the width of the upper surface of the tool bit is larger than the width of the smaller surface. The cutting edge of the novel cutting off tool disclosed by the invention is herringbone, the front surface is grinded to a ridge shape to transversely shrink the cuttings to be stably discharged towards one direction so as not to be blocked in the groove, and meanwhile, the bottom part of the tool bit is processed to a convex belly shape to improve the strength and rigidity to the utmost and guarantee the tool bit not to generate cracking phenomenon during the cutting processing process.
Description
technical field [0001] The invention relates to a tool, in particular to a novel cutting tool, which belongs to the technical field of metal cutting. Background technique [0002] The cutting tool cuts narrow and deep grooves, the chip removal space is small, and the chips are easily blocked. In order to reduce the friction with the machined surface, the two sides of the cutting part must be ground with secondary deflection angles, so the strength of the root is greatly weakened. . In addition, when the cutting tool is close to the center of the workpiece, the cutting speed tends to zero, which is not conducive to cutting. Therefore, cutting off the turning tool is extremely easy to "knive" (crack) during work. Contents of the invention [0003] In view of the above-mentioned technical problems, the object of the present invention is to propose a novel cutting turning tool which does not break the tool head during the cutting process. [0004] The technical solution of ...
Claims
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IPC IPC(8): B23B27/04
Inventor 刘光华
Owner SUZHOU FUMAI PRECISION MACHINERY