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Roller bearing raceway crown grinding machine grinding wheel dresser

A grinding wheel dresser and raceway convexity technology, which is applied to grinding machines, grinding machine parts, grinding/polishing equipment, etc., can solve problems such as affecting the processing quality of workpieces, and achieve simple structure, high dressing accuracy and low cost. Effect

Active Publication Date: 2011-12-07
NINGBO NAITEJIA MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, using the diamond pen to modify the concave curve profile accuracy of the grinding wheel will directly affect the processing quality of the workpiece.

Method used

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  • Roller bearing raceway crown grinding machine grinding wheel dresser
  • Roller bearing raceway crown grinding machine grinding wheel dresser
  • Roller bearing raceway crown grinding machine grinding wheel dresser

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Experimental program
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Effect test

Embodiment Construction

[0022] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] Figure 1 to Figure 5 Shown is the structural representation of the present invention.

[0024] The reference signs are: base 1, trimming reciprocating mechanism 2, rolling guide rail 21, trimming reciprocating carriage 22, diamond pen bracket 23, installation cavity 23a, rear cover 231, large hydraulic chamber exhaust plug 232, hydraulic cylinder block 31 , oil cylinder piston 32, axial elastic moving element 4, large hydraulic chamber 4a, front elastic diaphragm 41, rear elastic diaphragm 42, connecting shaft 43, front pressure plate 44, rear pressure plate 45, small plunger pump valve combination element 5, Valve body 51, first oil passage 51a, second oil passage 51b, first check valve 511, second check valve 512, pump body 52, fastening bolt 521, preload plunger cylinder 522, preload plunger 523, pressure rod 524, support connectin...

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PUM

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Abstract

The invention discloses a grinding machine abrasive wheel dresser for the convexity of a roller bearing raceway. The dresser comprises a base fixed on a dressing feeding carriage and a diamond pen dressing an abrasive wheel to have an inward concave profile curve, wherein the base is provided with a dressing reciprocating mechanism, an axial elastic moving element and a small plunger pump valve combination element are driven by the reciprocation of the dressing reciprocating mechanism, the axial elastic moving element and the diamond pen are fixed and assembled, the small plunger pump valve combination element is arranged at one side of the dressing reciprocating mechanism and can generate displacement change through a template which leans against and is fixed on the dressing feeding carriage and has a curve profile, hydraulic transfer drives the axial elastic moving element to drive the diamond pen to move, so that the diamond pen obtains a template profile curve moving track reducedin proportion and the abrasive wheel can be dressed to have an inward concave profile curve. The grinding machine abrasive wheel dresser has advantages of simple structure, low cost and convenience in regulation, and the convexity parameters of different specifications can be obtained by replacement of templates.

Description

technical field [0001] The invention relates to the technical field of grinding machine equipment, in particular to a grinding wheel dressing device used in the inner and outer ring raceway grinding machine tools of straight raceway bearings such as cylindrical or tapered roller bearings, specifically roller bearing raceways Wheel dresser for crown grinder. Background technique [0002] The shape of the raceways of bearings such as cylindrical rollers or tapered rollers directly affects the accuracy, performance and service life of the bearings. The bearing is subjected to external force during operation, and the raceway produces elastic deformation, and a large amount of deformation will occur at both ends of the raceway, resulting in stress concentration, which will cause ring-like peeling in a symmetrical position on the circumferential direction of the bearing raceway or roller edge and fail. Therefore, effectively reducing the contact stress at the edge of the raceway...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B53/06B24B19/06
Inventor 刘乐民
Owner NINGBO NAITEJIA MACHINERY MFG
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