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Magnetic grinding method and device for threaded part

A magnetic grinding and threading technology is applied in the field of grinding and polishing of threaded parts to achieve the effects of improving performance and service life, simple device structure, and improving smoothness.

Active Publication Date: 2016-05-04
UNIV OF SCI & TECH LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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

Method used

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  • Magnetic grinding method and device for threaded part
  • Magnetic grinding method and device for threaded part
  • Magnetic grinding method and device for threaded part

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 and 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 a threaded part. The device comprises a main shaft drive motor, a sliding box, a magnetic pole cutter, a horizontal guide rail device and photoelectric switches. The threaded part is connected with the main shaft drive motor through a chuck. The magnetic pole cutter is fixed to the sliding box through an adjustable cutter rest, the sliding box walks on the horizontal guide rail device, the photoelectric switches are arranged at the two ends of the sliding box and connected with the main shaft drive motor and a driving motor of the horizontal guide rail device, and the magnetic pole cutter is coated with a magnetic grinding material. Compared with the prior art, the magnetic grinding method and device have the advantages that a polishing device for internal and external threads is reasonably designed out through the magnetic grinding technology; experimental results show that under the condition of ensuring thread shape and size precision, surface burrs and surface texture of the threads can be effectively removed, the surface smoothness is obviously improved, the using performance of the threaded part is greatly improved, and the service life of the threaded part is greatly prolonged.

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 Applications(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
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