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Structure for grinding wheel spindle of large-size internal grinding machine

A technology for internal grinding machines and spindles, which is applied to grinding machines, parts of grinding machine tools, and machine tools designed for grinding the rotating surface of workpieces, etc., to achieve the effect of improving machining accuracy and service life

Inactive Publication Date: 2011-11-16
DALIAN METALLURGICAL BEARING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the defects existing in the prior art, the purpose of the present invention is to provide a large-scale internal grinding machine grinding wheel spindle structure, which overcomes the shortcomings of low grinding wheel precision and high maintenance costs caused by the use of rolling bearings, and improves the spindle speed. machining accuracy and service life

Method used

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  • Structure for grinding wheel spindle of large-size internal grinding machine
  • Structure for grinding wheel spindle of large-size internal grinding machine
  • Structure for grinding wheel spindle of large-size internal grinding machine

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Embodiment Construction

[0010] A grinding wheel main shaft structure for a large internal grinding machine. The main shaft 2 is installed on the grinding frame. One end of the main shaft 2 is fixed with the grinding wheel 1 and the other end is equipped with a pulley 6. The front and rear sliding support surfaces of the main shaft are adjusted by screws. The front five sliding bearing bushes 3 and the rear Five sliding bearing bushes 5 are in contact with it.

[0011] A lubricating chamber 4 is provided between the main shaft sleeve 7 and the main shaft 2, and the thin oil filled in the lubricating chamber 4 is No. 10 main shaft oil.

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Abstract

The invention relates to a structure for a grinding wheel spindle of a large-size internal grinding machine and belongs to the technical field of grinding machine manufacturing. The structure for the grinding wheel spindle of the large-size internal grinding machine is characterized in that a spindle is mounted on a grinding frame; a grinding wheel is fixed at one end of the spindle; the other end of the spindle is connected to a belt wheel through a shaft coupler and a rolling bearing; and the front and back sliding support walls of the spindle are in contact with front and back five sliding bearings by virtue of bolt adjustment. The structure of the grinding wheel spindle is used for overcoming the defects of low grinding wheel precision and high maintenance cost caused by the usage of the rolling bearing support, thereby prolonging the processing precision and service life of the spindle.

Description

technical field [0001] The invention relates to a grinding wheel main shaft structure of a large internal grinding machine, which belongs to the related field of grinding machine manufacturing. Background technique [0002] At present, the grinding wheel spindles of domestic internal grinding machines are all supported by rolling bearings, but the grinding wheels supported by rolling bearings have low precision and high maintenance costs. Small internal grinding machines can only use rolling bearings due to the high linear speed of the shaft diameter. For large internal grinding machines, sliding bearings can be used for support when the linear speed of the spindle is below 5 m / s. Contents of the invention [0003] In view of the defects existing in the prior art, the purpose of the present invention is to provide a large-scale internal grinding machine grinding wheel spindle structure, which overcomes the shortcomings of low grinding wheel precision and high maintenance c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B5/08B24B41/04
Inventor 鲁世安林利茹
Owner DALIAN METALLURGICAL BEARING