Hydrostatic pressure auxiliary shoring cutter-holder and shoring method

An auxiliary support, liquid technology, applied in the direction of reamer, boring bar, tool holder accessories, etc., can solve the problems of high use cost, high installation and adjustment requirements of support bars or support blocks, and unsatisfactory support effect, etc. good effect

Inactive Publication Date: 2009-04-01
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the tool bar structure with the auxiliary support of the support bar or support block has high requirements for the manufacture, installation and adjustment of the support bar or support block in actual operation, and the use cost is high; on the other hand, in order to ensure the For the normal machining

Method used

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  • Hydrostatic pressure auxiliary shoring cutter-holder and shoring method
  • Hydrostatic pressure auxiliary shoring cutter-holder and shoring method
  • Hydrostatic pressure auxiliary shoring cutter-holder and shoring method

Examples

Experimental program
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Effect test

Embodiment Construction

[0016] see figure 1 , the structural form of the tool bar is a rod head 7 for installing the tool 5, a hosel with a cutting fluid flow channel 4 and a shaft 10 as a rod head support. The axial hole in the center of the shaft 10 is set for cutting The liquid supply channel 1 is in communication with the hosel cutting fluid flow channel 4 .

[0017] like figure 1 As shown, in this embodiment, the independent pressure-bearing grooves 3 are evenly distributed on the surface of the shaft 10 and along the outer circumference of the shaft 10, and the liquid supply channel communicates with the pressure-bearing grooves 3 through the small hole throttling channels 2 respectively. .

[0018] The support method is to set the shaft 10 and the machined hole of the workpiece to fit with a small gap, and each pressure-bearing groove 3 on the surface of the shaft and the inner wall of the machined hole of the workpiece form each pressure-bearing cavity, and the cutting fluid supply channel ...

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PUM

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Abstract

The invention relates to a hydrostatic pressure auxiliary support tool bar and a support method thereof. The hydrostatic pressure auxiliary support tool bar is provided with a bar head used for installing a tool bit, a bar neck provided with a cutting liquid flow channel and a bar body used as a bar head support member, wherein, a central axial hole of the bar body is arranged as a cutting liquid feeding channel which is communicated with the cutting liquid flow channel arranged on the bar neck. The invention is characterized in that a plurality of independent bearing grooves are evenly distributed on the surface of the bar body along outer circumference and the liquid feeding channel is respectively communicated with each bearing groove through each pore throttle channel. As the 'flexible' support is adopted in the invention, manpower adjustment are unnecessary, the effect for absorbing the vibration of a tool is better, the surface of a processed pore can not be damaged, simultaneously, the hydrostatic pressure auxiliary support tool bar can be used together with the existing support bar or support block technique.

Description

technical field [0001] The invention relates to the technical field of precision machining, in particular to a tool holder and a support method for the tool holder, and a support method for a boring tool holder or a reamer holder and a holder used in precision boring pins or reaming. Background technique [0002] When using a boring tool or reamer for precision boring or reaming holes, the bending and vibration of the tool holder have a great impact on the machining quality, especially for the precision machining of slender holes. In order to increase the rigidity of the boring tool shank or the reamer tool shank when precision boring or reaming holes, to reduce the bending and vibration of the boring tool shank or the reamer tool shank, and to improve the machining accuracy, you can try to set an auxiliary support on the tool shank. For example, "rigid" auxiliary supports such as support bars or support blocks are provided. However, the tool bar structure using the auxilia...

Claims

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Application Information

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IPC IPC(8): B23B27/00B23B29/02B23D77/00
Inventor 黄斌
Owner HEFEI UNIV OF TECH
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