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Damping boring tool

A boring tool and boring bar technology, which is applied in the accessories of tool holders, tools for lathes, turning equipment, etc., can solve the problems of boring bar vibration, reduce production efficiency, waste tool materials, etc., and reduce fluctuation and eccentricity Cutting force, improvement of processing quality, and improvement of production efficiency

Inactive Publication Date: 2013-01-30
SUZHOU FUMAI PRECISION MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the cutting process of the workpiece, the boring tool cuts in and out periodically, resulting in fluctuations.
When the manufacturing accuracy and installation accuracy of the boring tool are not high, a considerable eccentric cutting force is infiltrated, causing the boring bar to vibrate, making the surface of the processed hole prone to ripples, which affects the processing quality of the hole
Most of the vibration reduction methods currently used are to increase the diameter of the boring bar or reduce the machine tool speed and feed rate. Such vibration reduction methods not only waste tool materials but also reduce production efficiency.

Method used

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Embodiment Construction

[0011] The present invention is described below in conjunction with accompanying drawing.

[0012] as attached figure 1 , 2 The shown vibration-damping boring tool of the present invention includes a taper shank 1 inserted into a machine tool, a positioning slot 2, a boring bar 3 and a blade 4; the boring bar 3 is arranged at the lower part of the taper shank 1; the The bottom of the boring bar 3 is equipped with a blade 4; the boring bar 3 is connected to a damping disc 6 through a key 5; a limit block 7 is provided under the damping disc 6; an annular groove is opened in the damping disc 6 8; An elastic vibration-absorbing layer 9 is provided on the inner wall of the vibration-damping disc 6 close to the annular groove 8 .

[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 vibration-damping boring tool of the present invention reduces the fluctuation and ec...

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Abstract

The invention discloses a damping boring tool which comprises a taper shank, a positioning clamp slot, a boring bar and a blade. The taper shank is inserted into a machine tool, the boring bar is arranged on the lower portion of the taper shank, the blade is mounted on the lower portion of the boring bar, the boring bar is connected with a damping disc through a key, a limit block is arranged below the damping disc, an annular groove is reserved in the damping disc, and an elastic damping layer is arranged on the inner wall of the damping disc and close to the annular groove. The damping boring tool has the advantages that fluctuation and eccentric cutting force of the boring tool during cutting are reduced, vibration of the boring bar is decreased effectively, surface corrugations of holes bored by the damping boring tool are avoided, processing quality of workpieces is improved, rotational speed of the machine tool can be increased on the premise of keeping the original states, and production efficiency is improved.

Description

technical field [0001] The invention relates to a cutting tool, in particular to a vibration-damping boring tool for hole processing, and belongs to the technical field of metal cutting. Background technique [0002] In machining, hole machining is usually performed by boring tools. However, during the cutting process of the workpiece, the boring tool cuts in and out periodically, resulting in fluctuations. When the manufacturing accuracy and installation accuracy of the boring tool are not high, a considerable eccentric cutting force is infiltrated, causing the boring bar to vibrate, making the surface of the processed hole prone to ripples, which affects the processing quality of the hole. Most of the vibration reduction methods currently used are to increase the diameter of the boring bar or reduce the speed and feed rate of the machine tool. Such vibration reduction methods not only waste tool materials but also reduce production efficiency. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): B23B27/00B23B29/00
Inventor 刘光华
Owner SUZHOU FUMAI PRECISION MACHINERY
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