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Vibration reduction cutter bar for long overhanging cutting machining and using method thereof

A technology of cutting processing and cutter bar, which is applied in metal processing equipment, metal processing machinery parts, manufacturing tools, etc., can solve the problems of reducing the cutting surface quality, cutting vibration or even chatter, shortening tool life, etc., and achieves improved damping and vibration reduction effect, reducing the chance of cutting vibration, reducing the effect of deflection deformation

Active Publication Date: 2021-03-05
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 reduction cutter bar for long overhanging cutting machining and using method thereof
  • Vibration reduction cutter bar for long overhanging cutting machining and using method thereof
  • Vibration reduction cutter bar for long overhanging cutting machining and using method thereof

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Embodiment Construction

[0041] The present invention will be further described in detail below in conjunction with the accompanying drawings and through 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 holder for long overhang cutting, mainly including a tool holder body 1, a reinforcing core rod 4, a filling medium, a plugging piece and a magnetic pole plate 5, the filling medium adopts a magnetorheological fluid 3, and the sealing Blocking piece adopts countersunk head screw 2.

[0043] An inner cavity hole 1.2 is arranged at the inner center of the tool bar body, and multiple sets of periodic annular groove arrays 1.3 are formed on the hole wall of the inner cavity hole. Cooperate to form a closed cavity inside the cutter body.

[0044] Each group of annular groove arrays is composed of a plurality of annular grooves whose widths gradually become larger. In the d...

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Abstract

The invention relates to a vibration reduction cutter bar for long overhanging cutting machining and a using method thereof. The cutter bar comprises a cutter bar body, a reinforcing core bar, a filling medium and a plugging piece; an inner cavity hole is formed in the center of the interior of the cutter bar body, a plurality of sets of periodic annular groove arrays are formed in the hole wall of the inner cavity hole, and each set of annular groove arrays is composed of a plurality of annular grooves with the widths sequentially increased; the plugging piece is fixed at the tail end of thecutter bar body, so that a closed cavity is formed in the cutter bar body; conical heads are arranged at the two ends of the reinforcing core bar, and positioning holes are formed in the hole bottom of the inner cavity hole of the cutter bar body and the inner end of the plugging piece respectively; the reinforcing core bar is installed in the inner cavity hole of the cutter bar body, and the conical heads at the two ends of the reinforcing core bar are in positioning fit with the positioning holes in the inner cavity hole of the cutter bar body and the positioning holes in the inner end of the plugging piece respectively; the filling medium is magnetorheological fluid and is used for being filled into the closed cavity of the cutter bar body; and the cutter bar further comprises a magnetic pole plate. According to the vibration reduction cutter bar, the vibration reduction and suppression effect of the cutter bar can be effectively improved.

Description

technical field [0001] The invention belongs to the technical field of mechanical cutting, and in particular relates to a vibration-damping cutter bar for long overhang cutting processing and a using method thereof. Background technique [0002] In cutting machining, long overhang cutting is often required in deep hole structures or structures with poor cutting accessibility. 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. Contents of the invention [0003] The object of the present invention is to overcome the deficiencies of the prior art, and provide a vibration damping tool for long overhang cutting that can effectively improve the vibration damping effect of the cutter bar, thereby improving the quality of the cutting surface and prolonging the service life of the to...

Claims

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Application Information

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Patent Type & Authority Applications(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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