Technology for machining roller bearing outer ring for drafting system of textile machine

A technology of bearing outer ring and processing technology, applied in the field of bearing outer ring processing, can solve the problems of difficulty in correction and small grinding amount, and achieve the effects of reducing errors, improving self-rotation, and improving the accuracy of vertical difference

Inactive Publication Date: 2013-08-07
NINGBO ZHENHAI SILVER BALL BEARING CO LTD
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  • Abstract
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Problems solved by technology

[0007] In addition, the grinding amount on one side of the end face of the existing process is , only one time of grinding, because the ve...

Method used

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  • Technology for machining roller bearing outer ring for drafting system of textile machine
  • Technology for machining roller bearing outer ring for drafting system of textile machine
  • Technology for machining roller bearing outer ring for drafting system of textile machine

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Embodiment Construction

[0039] Below in conjunction with accompanying drawing and embodiment the invention is described in detail:

[0040] The present invention provides a processing technology for the outer ring of the roller bearing used in the drafting system of the textile machine, boldly explores and updates the process, improves the structure of the fixture, and selects the best process parameters. In the case of a poor process requirement of 0.005mm, the product can still have a compliance rate of 97%.

[0041]As a specific embodiment of the present invention, the present invention provides a processing technology for the outer ring of the roller bearing used in the drafting system of the textile machine, including the following processing flow, turning the blank - heat treatment - rough grinding the outer circle - rough grinding the end face - fine grinding the outer circle - fine grinding end face - final grinding outer circle - final grinding end face - super fine grinding outer circle - g...

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Abstract

A technology for machining a roller bearing outer ring for a drafting system of a textile machine comprises the machining steps of blank turning, heat treatment, rough grinding of an outer circle, rough grinding of end faces, fine grinding of the outer circle, fine grinding of end faces, final grinding of the outer circle, final grinding of end faces, supergrinding of the outer circle, grinding of a trench, fine grinding of the trench, washing and assembly. According to the technology for machining the roller bearing outer ring for the drafting system of the textile machine, bold exploration and renovation of the process and the structural improvement of a fixture are performed, the optimum technological parameter is selected, and 97% control rate of products can be achieved under the condition that the technological requirement of full-height inner end faces for the external circle perpendicular error is up to 0.005mm.

Description

technical field [0001] The invention relates to the field of processing the outer ring of a bearing, in particular to a processing technology for the outer ring of a roller bearing used in a drafting system of a textile machine. Background technique [0002] Roller bearings for the drafting system of textile machines are mainly used on top rollers of textile machines. The structure of the roller bearings is as follows: figure 1 Double rows of balls are used as shown, and the outer ring of the roller bearing is as figure 2 As shown, the roller bearing not only needs to withstand high speed and heavy pressure, but also has strict requirements on the stability of operation, and also needs to have the characteristics of high sealing, low noise, and long service life. For this reason, many textile machines currently have The roller bearings used in the drafting system have requirements for the vertical difference process of the full-height inner end to the outer circle, and ...

Claims

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Application Information

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IPC IPC(8): B24B7/17B24B5/18
Inventor 张辅忠
Owner NINGBO ZHENHAI SILVER BALL BEARING CO LTD
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