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Tool holder

A technology for tools and machining parts, which is applied to honing tools, manufacturing tools, metal processing equipment, etc., and can solve problems such as changing the grinding diameter and changing the surface pressure of the grinding stone.

Inactive Publication Date: 2011-01-26
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the grinding diameter to be increased cannot be changed, so that only a given fixed diameter can be selected
[0008] This brings about a problem that, for example, if a plurality of honing operations are to be performed in stages from a rough polishing operation to a fine polishing operation, the grinding diameter needs to be changed whenever each honing operation is performed; When the cutting diameter remains the same, it is also necessary to change the surface pressure of the grinding stone relative to the inner surface of the hole of the workpiece.
This creates the problem that the operator has to bear the excessive operating load

Method used

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Experimental program
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Embodiment Construction

[0023] Exemplary embodiments according to the present invention are described below with reference to the accompanying drawings.

[0024] figure 1 is a perspective view of a schematic structure of a honing stand 1 according to an exemplary embodiment of the present invention. figure 2 for the honing bracket 1 along the figure 1 A cross-sectional view taken along line A-A'. image 3 for the honing bracket 1 along the figure 1 Sectional view taken along line B-B'.

[0025] like Figure 1 to Figure 3As shown, a honing stand 1 for use in honing operations includes a main body 11, an end cap 12, a grinding shoe 13, a set screw 14, a screw adjuster 15, a coolant flow channel 16, a cone 17, springs 18 and 19 , and the coolant discharge channel 20 .

[0026] The main body 11 includes a front end portion 11t and a base end portion 11b each having a substantially columnar shape. The front end portion 11t and the base end portion 11b are respectively along the axis of the main bo...

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PUM

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Abstract

A tool holder is provided with a main body, a taper cone, a working portion, a coolant flow passage, and an adjuster. The taper cone includes a taper portion and movable in an axial direction of the main body. The working portion is mounted on an outer peripheral portion of the main body and includes a taper bottom surface which engages with the taper portion. The taper bottom surface is movable in a radial direction of the main body based on a movement of the taper cone in the axial direction. A coolant flows through the coolant flow passage such that a part of the coolant presses and moves the taper cone in the axial direction and another part of the coolant flows out to an outside so as to adjust a pressing force. The adjuster is fitted into a hole penetrating the main body and includes a coolant flow-out hole for adjusting a flow-out of the coolant.

Description

technical field [0001] The present invention relates to a tool holder used in a honing operation for grinding and polishing the inner surface of a hole formed in a workpiece with high precision. More specifically, the present invention relates to a tool holder that enables a general purpose machine tool to perform a variety of honing operations. Background technique [0002] Traditionally, tool holders are used for honing operations. The tool holder includes a grinding shoe and its corresponding elongated grinding stone at its front end. This tool holder is referred to below as a honing holder. The honing bracket is usually mounted on the main shaft of the honing machine. In a state where the grinding stone is in surface contact with the inner surface of the hole of the workpiece, the honing stand is rotated by the honing machine while reciprocating in its axial direction, thereby finely cutting or grinding the inner surface of the hole of the workpiece polishing. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B33/02
CPCB24B55/02B24B33/02B24B33/08
Inventor 野吕大介小山弘晃菅井健治吉川弘晃三寄聪水堀健文
Owner HONDA MOTOR CO LTD
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