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Adjustable Magnetic Field and Adaptive Aperture Magnetic Abrasive Finishing Device and Method

A magnetic grinding tool and finishing technology, which is applied in the direction of grinding drive device, metal processing equipment, grinding workpiece support, etc., can solve the problems of non-adjustable magnetic field strength, high heat generation, and huge device structure, etc. Achieve the effect of increasing complexity, improving uniformity, and simple process

Active Publication Date: 2020-06-16
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above technologies are mainly developed around the problems of electromagnetic generators and other aspects. However, in the finishing process of magnetic abrasive tools, the electromagnetic generators have a large structure and high heat generation.
The existing technology is a viscoelastic magnetic abrasive surface finishing device and its method (ZL201010534181.8), which uses a pair of permanent magnetic poles to generate a magnetic field. Not adjustable

Method used

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  • Adjustable Magnetic Field and Adaptive Aperture Magnetic Abrasive Finishing Device and Method
  • Adjustable Magnetic Field and Adaptive Aperture Magnetic Abrasive Finishing Device and Method
  • Adjustable Magnetic Field and Adaptive Aperture Magnetic Abrasive Finishing Device and Method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] A magnetic abrasive tool finishing device and method with an adjustable magnetic field and an adaptive aperture, the processing parameters of which are as described in Table 1:

[0050] Table 1 Example 1 Processing parameters

[0051] parameter Magnetic pole speed / (r / min) SiC particle size / # Fe: SiC Workpiece material Workpiece inner diameter / mm Raw roughness of workpiece inner surface Ra / μm Processing time / min value 300 240 13:7 6061 aluminum alloy 33 0.772 15

[0052] Its specific steps:

[0053] 1. Adsorb the magnetic abrasive on the periphery of the soft iron.

[0054] 2. Clamp the tubular part to be processed on the three-jaw chuck, and then extend the finishing processing execution part into the interior of the tubular part.

[0055] 3. Start the motor and adjust its speed at 300r / min.

[0056] 4. After the rotation speed of the motor and the amplitude and frequency of the vibrating device are stabilized, start the feedi...

Embodiment 2

[0060] An adjustable magnetic field and self-adaptive aperture magnetic grinding tool finishing processing device and method, the processing parameters are as described in Table 2:

[0061] Table 2 Example 1 processing parameters

[0062] parameter Magnetic pole speed / (r / min) Abrasive size / # Fe: SiC Workpiece material Workpiece inner diameter / mm Raw roughness of workpiece inner surface Ra / μm Processing time / min value 250 240 7:3 6061 aluminum alloy 33 0.769 10

[0063] Its specific steps:

[0064] 1. Adsorb the magnetic abrasive on the periphery of the soft iron.

[0065] 2. Clamp the tubular part to be processed on the three-jaw chuck, and then extend the finishing processing execution part into the interior of the tubular part.

[0066] 3. Start the motor and adjust its speed at 250r / min.

[0067] 4. After the rotation speed of the motor and the amplitude and frequency of the vibrating device are stabilized, start the feeding part...

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Abstract

The invention belongs to the technical field of surface finishing processing of mechanical parts, in particular to a magnetic grinding tool finishing processing device and method with an adjustable magnetic field and a self-adaptive aperture. The magnetic grinding tool finishing processing device comprises a magnetic field generating device and a self-adaptive aperture mechanism capable of changing the diameter, the self-adaptive aperture mechanism is arranged on the peripheral side of the magnetic field generating device, and the self-adaptive aperture mechanism and the magnetic field generating device are arranged on the inner side of the workpiece to be machined. The magnetic grinding tool finishing processing device can be subjected to finishing processing on the inner hole surface ofthe magnetic material and the non-magnetic material, the whole processing device is simple in structure, simple in process, good in economic benefit and easy to widely apply.

Description

technical field [0001] The invention belongs to the technical field of surface finishing of mechanical parts, in particular to a magnetic grinding tool finishing device and method with adjustable magnetic field and adaptive aperture. Background technique [0002] The surface quality of mechanical parts is an important indicator for evaluating the quality of mechanical parts, which directly affects the performance and life of the entire mechanical product. In the actual production process of mechanical parts, there are a series of problems such as difficult processing, poor processing quality and low processing efficiency in surface finishing of holes, especially for surface finishing of stepped holes, elongated holes, blind holes, curved surfaces, etc. . Therefore, it is particularly important to solve the problem of finishing the hole surface to improve the surface integrity of mechanical parts and the service performance and life of the whole machine. [0003] Magnetic a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B1/00B24B41/00B24B41/02B24B41/06B24B47/20
CPCB24B1/005B24B41/00B24B41/02B24B41/067B24B47/20
Inventor 李秀红刘乐李文辉杨胜强李唯东王嘉明牛亚楠
Owner TAIYUAN UNIV OF TECH
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