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Tool for machining a hole

A technology of hole processing and tools, which is applied in the direction of manufacturing tools, metal processing equipment, hole reaming devices, etc., can solve the problems of time and labor, and achieve the effect of preventing vibration

Inactive Publication Date: 2012-06-13
MITSUBISHI MATERIALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, much time and labor are required to adjust the position of the insert 6, and the position adjustment of the insert 6 cannot be easily and accurately performed.

Method used

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  • Tool for machining a hole
  • Tool for machining a hole
  • Tool for machining a hole

Examples

Experimental program
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Effect test

Embodiment Construction

[0056] Next, a drilling tool as a first embodiment of the present invention will be described with reference to the drawings. From Figure 1 to Figure 3 A reamer is shown as a drilling tool according to an embodiment of the present invention.

[0057] The reamer 20 according to this embodiment has a multistage columnar tool body 21 centered on the axis O, and the front end side of the tool body 21 (in figure 1 The center is the lower side) is a substantially cylindrical processing portion 22, on the rear end side of the tool body 21 (in figure 1 The upper side in the middle) is formed with a flange portion 23 having a larger diameter than the processing portion 22, and on the rear end side of the flange portion 23, a tool holder for mounting the reamer 20 on the spindle end of the machine tool is formed. (not shown) mounting part 24.

[0058] In addition, a guide rod 25 having a smaller diameter than the processed portion 22 is provided on the front end surface of the too...

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PUM

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Abstract

A hole machining tool is provided in which a dynamic balance and rigidity of a tool body are enhanced, positional adjustment of an insert can be easily and accurately performed, and a machining hole having a higher circular degree with excellent dimensional precision is formed. The invention is characterized in that a recessed portion (30) and a mounting seat (31) are formed at the front end of a tool body (21), on the mounting seat (31), the flat-shaped insert (50) is mounted to enable the thickness direction to face the tool body (21) radial direction, a surface directed in the rear side in the rotation direction T of the insert (50) is set as a pressed surface (61), a peripheral cutting edge is formed at a ridge portion on the outside of the tool body (21) radial direction of a rake face, and a cutting edge is formed at the ridge portion on the front side of the tool body (21), a back taper is attached to the peripheral cutting edge, and a pressing member (40) for pressing the pressed surface (61) of the insert (50) and adjusting a radial position of the peripheral cutting edge of the tool body (21) at the rear side in the tool rotation direction T of the mounting seat (31).

Description

technical field [0001] The present invention relates to a hole machining tool which is inserted into a bottom hole previously formed in a workpiece to be cut and used for cutting the inner wall surface of the bottom hole. Background technique [0002] As such a drilling tool, there is known a reamer in which a cutting edge portion having a cutting edge is brazed to a front end portion of a long cylindrical tool body that rotates about an axis. Rotate the reamer around the axis and apply feed along the axis, insert it into the bottom hole formed in advance on the material to be cut, and cut the inner wall surface of the bottom hole with the cutting edge formed on the cutting edge to form a predetermined inner diameter processing holes. [0003] In the tool in which the cutting edge portion is brazed to the tool body in this way, the radial position adjustment of the cutting edge cannot be performed, and the position of the cutting edge is determined by the brazing accuracy. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D77/04
Inventor 泷口正治金星彰远藤邦博
Owner MITSUBISHI MATERIALS CORP
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