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Boring bar actuatable by centrifugal force

一种离心力、镗杆的技术，应用在镗头、金属加工设备、金属加工等方向，能够解决不允许切削刀片精确性安装、镗杆不能执行高精确度等问题

Active Publication Date: 2018-08-31
SANDVIK INTELLECTUAL PROPERTY AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, these known boring bars do not allow the cutting inserts to be mounted on the boring bar with sufficient precision, so that the boring bar cannot perform machining requiring high precision

Method used

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  • Boring bar actuatable by centrifugal force
  • Boring bar actuatable by centrifugal force
  • Boring bar actuatable by centrifugal force

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0062] figure 1 Boring bar 10 is shown comprising tool holder 26 and tool body 28 assembled together at assembly interface 30 . The boring bar 10 extends along the axis A of rotation. The tool holder 26 includes a coupling portion 14 at the first end 12 of the boring bar 10 to be coupled to a spindle (not shown) to rotate the boring bar 10 about the axis A of rotation. At a second end of the boring bar 10 opposite the first end 12 , the tool body 28 includes three receptacles 18 to receive a cutting insert cartridge 20 in each of the three receptacles 18 . The receptacles 18 are distributed around the axis of rotation A on the boring bar 10 . The cutting insert cartridge 20 includes cutting inserts 22 to remove material from the bore to be machined.

[0063] The boring bar 10 may be in a steady state in which the boring bar 10 is not supplied with fluid, and in an operating state in which the boring bar 10 is supplied with fluid.

[0064] When the boring bar 10 is in opera...

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PUM

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Abstract

The present disclosure relates to an actuatable boring bar (10) configured to place a cutting insert cartridge (20) received onto the boring bar in a cutting position when the centrifugal force generated by the rotation of the boring bar about the rotation axis (A) reaches a centrifugal force threshold and in a non-cutting position when the centrifugal force generated by the rotation of the boringbar about the rotation axis is below the centrifugal force threshold, the boring bar being further configured so that the cutting insert cartridge (20) can be set-up onto the boring bar (10) in the cutting position.

Description

technical field [0001] The present disclosure relates to an actuatable boring bar configured to place a cutting insert cartridge received on the boring bar in a cutting position when a centrifugal force generated by rotation of the boring bar about an axis of rotation reaches a centrifugal force threshold, and placing the cutting insert cartridge received on the boring bar in the non-cutting position when the centrifugal force generated by the rotation of the boring bar about the axis of rotation is below a centrifugal force threshold, the boring bar also being configured to enable the cutting insert cartridge to be positioned in the cutting position on to the boring bar. Background technique [0002] It is known in the art to use boring bars actuatable by centrifugal force to selectively place a cutting insert cartridge mounted on the boring bar in a non-cutting position or a cutting position. In particular, the cutting insert cartridge moves from a non-cutting position to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B29/034
CPCB23B29/03457B23B2270/025B23B2270/04B23B2270/24B23B29/03446
Inventor 文森特·莱莫伊纳菲利普·安德里雅克·加斯特赫伊斯乔利·达米恩大卫·博努尔
Owner SANDVIK INTELLECTUAL PROPERTY AB