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A magnetic grinding method and device for threaded parts

A magnetic grinding and threading technology, which is applied in the field of grinding and polishing process of threaded parts, to achieve the effect of improving performance and service life, low cost, and improving smoothness

Active Publication Date: 2018-07-13
UNIV OF SCI & TECH LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there is no public report about the magnetic grinding of threaded parts

Method used

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  • A magnetic grinding method and device for threaded parts
  • A magnetic grinding method and device for threaded parts
  • A magnetic grinding method and device for threaded parts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as figure 1 , figure 2 As shown, the internal thread is polished by the present invention, and the specific method steps are as follows:

[0044] a. The internal thread part 3 is positioned and installed on the chuck 2, and the chuck 2 is connected with the spindle drive motor 1. The magnetic pole cutter 4 is installed on the adjustable cutter rest 5, and the adjustable cutter rest 5 is adjusted so that the central axis of the internal thread part 3 coincides with the central axis of the magnetic pole cutter 4.

[0045] b. The difference between the diameter of the magnetic pole cutter 4 and the inner diameter of the internally threaded part 3 is 4mm, and the thread pitch is 2mm as the machining gap.

[0046] c. After mixing the magnetic abrasive with an average particle size of 200 μm and the oil abrasive at a volume ratio of 1:2, add the magnetic abrasive 13 to the surface of the magnetic pole cutter 4 .

[0047] d. Turn on the motor, the spindle drive motor ...

Embodiment 2

[0052] Such as image 3 Shown, adopt the present invention to polish external thread, concrete method is as follows:

[0053] The externally threaded part 14 is fixedly installed on the chuck 2, the magnetic pole cutter 4 is mounted on the adjustable tool rest 5, and the adjustable knife rest 5 is adjusted so that the thread distance between the externally threaded part 14 and the magnetic pole cutter 4 is 2mm, as a processing gap.

[0054] Other method steps are identical with embodiment 1.

[0055] Figure 4 with Figure 5 It is an effect comparison diagram of the surface topography of the external thread before and after processing, which can be used as an intuitive embodiment of the beneficial effect of the present invention, but has nothing to do with the protection content of the present invention.

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Abstract

The invention discloses a magnetic grinding method and device for threaded parts, comprising a main shaft driving motor, a slide box, a magnetic pole cutter, a horizontal guide rail device, and a photoelectric switch. The frame is fixed on the slide box, and the slide box walks on the horizontal guide rail device. The photoelectric switch is installed at both ends of the slide box. The photoelectric switch is connected to the main shaft drive motor and the drive motor of the horizontal guide rail device at the same time. Magnetic abrasive. Compared with the prior art, the beneficial effect of the present invention is that the present invention utilizes the magnetic grinding process to rationally design a polishing device for internal and external threads. The experimental results show that under the condition of ensuring the thread shape and dimensional accuracy, the burrs and surface texture on the thread surface can be effectively removed, the surface finish is obviously improved, and the service performance and service life of the threaded parts are greatly improved.

Description

technical field [0001] The invention relates to a grinding and polishing process for threaded parts, in particular to a magnetic grinding method and device for threaded parts. Background technique [0002] Thread is a key part of thread connection and thread transmission, and has a wide range of applications. With the rapid development of manufacturing industry, the surface quality requirements of threaded parts are getting higher and higher. After the threaded parts are processed by lathe or tapping tools, a lot of chips and burrs will remain, and the thread surface finish is extremely poor. At this time, if the threaded parts are put into use without further polishing treatment, it is likely to reduce the fit, sealing and wear resistance of the threaded joints, or even cause thread damage and reduce the service life of the workpiece. In actual production and processing, there are many kinds of threads, and the tooth shape and pitch of the threads are different. It is diff...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23G9/00
CPCB23G9/00
Inventor 李仁闯陈燕张志超应骏韩冰
Owner UNIV OF SCI & TECH LIAONING