Boring-based cantilever shaft machining method for achieving large-size irregular appearances

A processing method and cantilever shaft technology, which are applied in metal processing equipment, components of boring machines/drilling machines, metal processing machinery parts, etc. The effect of surface quality problems and dimensional out-of-tolerance, improvement of machining accuracy, and suppression of workpiece vibration

Pending Publication Date: 2021-10-26
NANJING CHENGUANG GRP
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Considering the large size of the rudder surface (greater than 800mm), large-scale turning or grinding equipment is required; the irregular structure of the rudder surface makes it difficult to clamp; the rudder shaft protrudes long and has poor rigidity; the special Scarcity of expensive equipment, process difficulties caused by clamping and low rigidity

Method used

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  • Boring-based cantilever shaft machining method for achieving large-size irregular appearances
  • Boring-based cantilever shaft machining method for achieving large-size irregular appearances
  • Boring-based cantilever shaft machining method for achieving large-size irregular appearances

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Embodiment Construction

[0015] The present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments.

[0016] combine Figure 1-Figure 4 , a kind of cantilever shaft machining method based on machining center boring to realize large size and irregular shape of the present invention, based on the following processing device, including blade 1, blade reinforcement plate 2, diameter fine adjustment nut 3, dial 4, knife Body installation mechanism 5, processing arm 6, coolant channel 7, balance arm 8, rigid reinforcement ring 9, tool handle cone 11;

[0017] The processing device is connected to the main shaft of the machining center through the tool holder cone 11, the machining device is driven to rotate around the axis of the main shaft through the rotational movement of the main shaft of the machining center, and the processing device is driven to perform linear motion through the linear movement of the main shaft; the rigid reinforcing ring 9 ...

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Abstract

The invention provides a boring-based cantilever shaft machining method for achieving large-size irregular appearances. Through cooperative use of a blade, a blade reinforcing plate, a diameter fine adjustment nut, a dial, a cutter body mounting mechanism, a machining arm, a cooling liquid channel, a balance arm, a rigid reinforcing ring, an avoiding hole and a cutter handle cone, a large-length-diameter-ratio cantilever shaft is precisely machined in a common machining center, the blade is cooled, the cutter rigidity is improved, workpiece vibration is restrained, the machining precision of parts of the type is improved, the cost is saved, and the machining efficiency is improved.

Description

technical field [0001] The invention belongs to the field of machining, in particular to a cantilever shaft machining method based on boring to realize large-sized irregular shapes. Background technique [0002] Since the cantilever shaft in the aircraft rudder wing parts has the characteristics of precise size (diameter accuracy better than IT6, cylindricity better than 0.01mm), large aspect ratio (greater than 6), and large size irregular rudder surface (multi-angle plane Or curved surface, the external dimension is not less than 800mm)) as an integral structure. Traditional processing uses precision lathes or grinding to ensure the dimensional accuracy and cylindricity of the rudder shaft. Considering the large size of the rudder surface (greater than 800mm), large-scale turning or grinding equipment is required; the irregular structure of the rudder surface makes it difficult to clamp; the rudder shaft protrudes long and has poor rigidity; the special Scarcity of expen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B35/00B23B47/00B23Q11/10
CPCB23B35/00B23B47/00B23Q11/10
Inventor 申运锋杨生国张毅范崇震
Owner NANJING CHENGUANG GRP
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