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Vibration-damping tool holder for long-overhang cutting and method of use thereof

A technology of cutting processing and cutter bar, which is applied in the direction of metal processing equipment, metal processing machinery parts, manufacturing tools, etc., can solve the problems of cutting vibration and even chatter, reduce the quality of cutting surface, shorten the life of tools, etc., and achieve the goal of reducing cutting vibration Probability, improving the effect of damping and vibration reduction, and reducing the effect of deflection and deformation

Active Publication Date: 2022-06-07
TIANJIN NAVIGATION INSTR RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the long overhang cutting process, due to the long overhang of the tool and poor rigidity, cutting vibration or even chatter is easily generated during the cutting process, which reduces the quality of the cutting surface and shortens the tool life.

Method used

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  • Vibration-damping tool holder for long-overhang cutting and method of use thereof
  • Vibration-damping tool holder for long-overhang cutting and method of use thereof
  • Vibration-damping tool holder for long-overhang cutting and method of use thereof

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Embodiment Construction

[0041] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0042] A vibration-damping tool bar for long overhang cutting processing mainly includes a tool bar body 1, a reinforcing core bar 4, a filling medium, a blocking member and a magnetic pole plate 5. The filling medium is a magnetorheological fluid 3, and the sealing The plugs use countersunk head screws 2.

[0043] An inner cavity hole 1.2 is arranged at the inner center of the cutter shank body, and a plurality of groups of periodic annular groove arrays 1.3 are formed on the hole wall of the inner cavity hole. In cooperation, a closed cavity is formed inside the cutter bar body.

[0044] Each group of annular groove arrays is composed of a plurality of annular grooves whose widths increase in turn. In the f...

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Abstract

The invention relates to a vibration-damping cutter bar for long-hanging cutting processing and a method for using the same. The cutter bar includes a tool bar body, a reinforcing core rod, a filling medium, and a plugging piece; The inner cavity hole is made with multiple sets of periodic annular groove arrays on the hole wall of the inner cavity hole, and each set of annular groove arrays is composed of multiple annular grooves with successively larger widths; the blocking member is fixed at the tail end of the tool bar body , so that the inside of the cutter body forms a closed cavity; the two ends of the reinforced core rod are provided with conical heads, and a positioning hole is respectively provided at the bottom of the inner cavity hole of the cutter rod body and the inner end of the plugging piece; Installed in the inner cavity hole of the tool bar body, the tapered heads at both ends of the reinforcing core rod are respectively positioned and matched with the positioning holes in the inner cavity hole of the tool bar body and the positioning hole at the inner end of the plugging part; the filling medium is magnetorheological Liquid, used to fill the closed cavity of the tool holder body; also includes the magnetic pole plate. The invention can effectively improve the vibration damping effect of the tool rod.

Description

technical field [0001] The invention belongs to the technical field of mechanical cutting, and in particular relates to a vibration-damping tool bar for long overhang cutting processing and a method for using the same. Background technique [0002] In machining, long overhangs are often required in deep hole structures or structures with poor cutting accessibility. In the process of long overhang cutting, due to the long overhang and poor rigidity of the tool, cutting vibration or even chatter is easily generated during the cutting process, which reduces the quality of the cutting surface and shortens the tool life. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide an anti-vibration damper for long overhang cutting that can effectively improve the vibration and damping effect of the tool bar, thereby improving the cutting surface quality and prolonging the service life of the tool. Vibra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/00
CPCB23Q3/00
Inventor 高建胡萌李立杰侯熙硕马明山刘天王亚丽
Owner TIANJIN NAVIGATION INSTR RES INST
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