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Tool for linear cutting of lock ring groove and using method of tool

A wire cutting and lock ring technology, which is applied in the field of lock ring groove processing, can solve the problems of difficult deburring, low efficiency, and low processing efficiency, and achieve the effects of convenient and smooth operation, high quality, and high processing efficiency

Active Publication Date: 2015-11-11
AEROSPACE PRECISION PROD INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing special clamping tool can only clamp one lock ring at a time, and the processing efficiency is low
In addition, if milling is used to produce burrs, an additional deburring process is required, and because the size of the lock ring is small, it is difficult to deburr and the efficiency is low

Method used

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  • Tool for linear cutting of lock ring groove and using method of tool
  • Tool for linear cutting of lock ring groove and using method of tool
  • Tool for linear cutting of lock ring groove and using method of tool

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Embodiment Construction

[0019] The invention will be further described below in conjunction with the accompanying drawings.

[0020] A preferred embodiment of the inventive structure is as image 3 As shown, it includes tooling cover 1, upper tooling plug 2, lower tooling plug 3 and wire 4. The tooling cover 1 is provided with a through slot, and the slot is divided into an upper slotting part 1-6 communicating with the surface of the tooling cover 1 and an inner slotting part communicating with the upper slotting part 1-6 1-1; the cross sections of the inner grooved part 1-1 and the upper grooved part 1-6 are rectangular, the width m of the inner grooved part 1-1 is equal to or slightly greater than h·sinθ+d·cosθ, and the height n is equal to or slightly greater than d; the section width of the upper slot 1-6 is greater than the width of the lock ring groove and smaller than the width m of the inner slot 1-1, which facilitates the cutting process of the lock ring by the wire cutting device. The to...

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Abstract

The invention provides a tool for linear cutting of a lock ring groove. The tool comprises a tool sleeve, an upper tool plug and a lower tool pug. The tool sleeve is provided with a slot with at least one through end. The slot is divided into an upper slot portion communicated with the surface of the tool sleeve and an inner slot portion communicated with the upper slot portion. The section of the inner slot portion is slightly larger than the projection of a lock ring in the horizontal direction when an inclined angle formed between the lock ring to be machined and the horizontal direction is theta. At least one end of the upper tool plug and at least one end of the lower tool plug can pass through the inner slot portion to enter the tool sleeve, and the end faces of the ends, entering the tool sleeve, of the upper tool plug and the lower tool plug are inclined faces. The inclined angle between the inclined faces and the vertical direction is theta, and the theta is the angle of inclination of a lock ring groove. By means of tool for linear cutting of the lock ring groove, multiple lock rings can be machined at the same time in the linear cutting manner, and the machining efficiency is high; and stability is good.

Description

technical field [0001] The invention belongs to the technical field of lock ring groove processing, and in particular relates to a wire-cut lock ring groove tooling and a use method thereof. Background technique [0002] Blind rivets with metal lock rings are in great demand on aircraft. The metal lock rings have a small shape, an outer diameter of 3-9mm, a small width, a thin arm, and a narrow inclined groove on the lock ring. The commonly used processing method for the lock ring is to make it into a ring without opening ( figure 1 ), and then use milling or wire cutting to process the inclined groove, wherein the angle between the lock ring groove and the direction of the central axis of the lock ring is the inclination angle of the lock ring groove, which can be expressed by θ ( figure 2 ). Due to the small shape of the metal lock ring and the requirement for the inclination angle, a special clamping tool is required to improve the processing efficiency. However, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H11/00B23H7/02
Inventor 郭双双黄金湖张晓斌贾晓娇高鹿鹿齐乐
Owner AEROSPACE PRECISION PROD INC LTD
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