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Spline broach with broaching stress release area and correction area

A technology of stress relief and spline broaching, which is applied in broaching tools, broaching machines, metal processing equipment, etc., can solve problems such as parts deformation, and achieve the effects of improved broaching efficiency, less control links, and high precision

Pending Publication Date: 2020-02-28
EST TOOLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned technical problems, the present invention proposes a spline broach with broaching stress relief zone and correction zone, such as image 3 As shown, on the basis of the structure of the traditional broach, a stress release area and a correction area are added between the calibration teeth of the cutting part and the rear guide part. When the parts pass through the stress release area and the correction area in sequence, the stress The release zone gives the part sufficient deformation release space, and the rear correction zone thoroughly modifies the size and shape of the part, so that the deformation problem of the part after broaching can be effectively solved in one broaching process

Method used

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  • Spline broach with broaching stress release area and correction area
  • Spline broach with broaching stress release area and correction area
  • Spline broach with broaching stress release area and correction area

Examples

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Embodiment Construction

[0021] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention but not to limit the scope of the present invention.

[0022] use figure 1 The traditional spline broach processing, the parts are deformed after drawing, such as figure 2 shown.

[0023] use image 3 The present invention is a spline broach with a broaching stress release zone and a correction zone. When the part passes through the stress release zone 7 and the correction zone 8 respectively, the stress release zone 7 in the front section gives the part sufficient deformation release space, and the rear part The first-stage correction zone 8 fully corrects the size and shape of the part, so that it can be formed by one-time broaching. Compared with the parts that have survived through one or two-step broaching, the precision is h...

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PUM

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Abstract

The invention relates to the technical field of broaching tools, in particular to a spline broach with a broaching stress release area and a correction area. The spline broach is characterized by comprising a front handle, a neck part, a front guide part, a cutting part, a rear guide part, a stress release area, a correction area and a rear handle part, wherein the diameter of teeth of the stressrelease area is consistent; the diameter of the size of teeth of the stress release area is smaller than 0-0.15mm of the diameter size of the cutter teeth of the calibration teeth.

Description

technical field [0001] The invention relates to the technical field of broaching tools, in particular to a spline broach with a broaching stress release zone and a correction zone. Background technique [0002] The spline broach is a high-precision, high-efficiency multi-tooth incremental tool, such as figure 1 As shown, it mainly consists of a front handle 1, a neck portion 2, a leading portion 3, a cutting portion 4, a rear guiding portion 5, and a rear handle portion 6. The cutting part is composed of rough cutting teeth, fine cutting teeth and calibration teeth. The key width of all the cutting teeth is the same. The diameter of the rough cutting teeth and fine cutting teeth increases tooth by tooth. The final size and shape of the parts are formed by the cutting teeth of the cutting part. . [0003] Due to the different and irregular shapes of the broached parts, when encountering parts such as long broaching length, uneven material hardness, and thin-walled casings, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D43/02
CPCB23D43/02
Inventor 陈子彦孙洪卫何勤松杨益波潘骋鹄沈成栋
Owner EST TOOLS
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