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Multi-contact-point floatable electromagnetic centerless fixture support

An electromagnetic centerless, multi-contact technology, applied in the direction of grinding workpiece supports, etc., can solve the problems of ferrule scrapping, affecting processing quality, and easy wear of hard alloy blocks, so as to reduce the number of supports, improve grinding quality, and The effect of processing range

Pending Publication Date: 2019-08-23
上海特安一凯轴承有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But because the inclusion angle of the V-shaped support is too small, the improvement effect is not satisfactory
Moreover, the processing range of the V-shaped support is small, and multiple sets of supports are required to meet the needs of the processing range of the machine tool.
[0006] Regardless of the single-point support or the V-shaped floating support, there are two problems: one is that the contact surface between the ferrule and the support head is too small, and the pressure is too high. It is easy to scratch the surface of the ferrule during bearing processing, especially for medium-sized, Due to the heavy weight of the ferrule of the heavy-duty bearing, the pressure generated is greater. A little carelessness will cause support scratches, or even support scratches and cracks, resulting in the scrapping of the ferrule
Second, because the contact surface between the ferrule and the support head is too small and the pressure is too high, the cemented carbide block is easy to wear, resulting in unstable radial support of the ferrule and affecting the processing quality

Method used

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  • Multi-contact-point floatable electromagnetic centerless fixture support
  • Multi-contact-point floatable electromagnetic centerless fixture support

Examples

Experimental program
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Effect test

Embodiment 1

[0033] Embodiment 1: The difference from the above is that the support head 3 and the support frame 2 are slidably connected in the radial direction of the circular arc. The sliding connection structure: the support frame 2 is provided with several The sliding groove corresponding to the supporting head 3, the axis of the sliding groove is located in the radial direction of the arc shape, the supporting head 3 is connected to the sliding groove to form the slidable connection, and the rest of the structure is as above.

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Abstract

The invention discloses a multi-contact-point floatable electromagnetic centerless fixture support. The multi-contact-point floatable electromagnetic centerless fixture support comprises a supportingbody, a support frame and a plurality of support heads; the support frame is rotatably fixed to the supporting body, the plurality of support heads are arranged on the support frame in a circular-arcmode, and the support heads and the support frame are slidably connected in the diameter direction of a circular arc; and hard round rods are arranged at the front ends of the support heads, and the axes of the hard round rods are perpendicular to the axes of the support heads.

Description

technical field [0001] The invention relates to an electromagnetic centerless jig support, in particular to an electromagnetic centerless jig support with multiple contacts that can be floated. Background technique [0002] In the bearing industry, electromagnetic centerless fixtures are often used as supports for ring grinding. The radial support of the ferrule generally uses support to achieve radial positioning. Commonly used supports generally have two structures: single fulcrum fixed support and double fulcrum V-shaped floating support. [0003] Single fulcrum fixed support, the support head has only one carbide block in contact with the ferrule. V-shaped floating bearing with double fulcrums, each bearing head has two hard alloy blocks, forming a V-shaped distribution, which are in contact with the ferrule respectively. [0004] Single fulcrum fixed support, the support head has only one carbide block in contact with the ferrule. The advantage is that the structure...

Claims

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Application Information

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IPC IPC(8): B24B41/06
CPCB24B41/067
Inventor 刘刚郭昆峰朱天胜孙捷童楚春
Owner 上海特安一凯轴承有限公司
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