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An accessory device and application method for ceramic ball rolling friction test

A rolling friction and ceramic ball technology, which is applied in the field of material friction, can solve the problems of ceramic ball clamping and single size of auxiliary fixtures, etc., and achieve the effect of compact structure, wide application range and simple operation

Active Publication Date: 2019-05-17
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a pairing device for ceramic ball rolling friction test and its use method, which solves the problem that the size of the auxiliary fixture in the friction test of the existing ball-disc fit is single and cannot meet the clamping requirements for ceramic balls of different size ranges. hold

Method used

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  • An accessory device and application method for ceramic ball rolling friction test
  • An accessory device and application method for ceramic ball rolling friction test
  • An accessory device and application method for ceramic ball rolling friction test

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Embodiment Construction

[0033] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0034] see figure 1 , the present invention provides a pairing device for ceramic ball rolling friction test, including a mounting chuck 2, the mounting chuck 2 is connected to the spindle system 1 of the friction testing machine, and at the same time, the mounting chuck 2 It includes a connecting part and a supporting part, wherein the supporting part is arranged below the connecting part.

[0035] The connecting part adopts a conical structure, which can be automatically aligned with the spindle system 1, and the connection is reliable and high in precision. The spindle system 1 drives the mounting chuck 2 to rotate.

[0036] The holding part is a cylindrical structure, and a left holder 3 is installed at the lower center of the cylindrical structure. The other end of the left cage 3 is provided with a first V-shaped groove.

[0037] A connecting frame 7 is inst...

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Abstract

The invention provides a pair matching device used for a rolling friction experiment of a ceramic ball, and a use method thereof. A left side retainer, a right side retainer, the ceramic ball, a block test piece and a disk test sample form one group of block-ball-disk pair matching devices, and meanwhile, a distance between the left side retainer and an installation chuck, a distance between the left side retainer and the right side retainer and the length of the block test sample are regulated to meet the clamping of the ceramic balls of different diameters in a certain diameter range. Meanwhile, according to V-shaped grooves arranged on the left side retainer and the right side retainer, an axial dimension is prevented from being regulated. The pair matching device has the characteristics of compact structure, simpleness in operation, stability and reliability in operation and wide applicable range, and has good applicability for researching the tribology behavior of a material under the mixed state of rolling and sliding.

Description

technical field [0001] The invention belongs to the field of material friction, and in particular relates to a matching device and a use method for a ceramic ball rolling friction test. Background technique [0002] According to the research on the tribological behavior of materials by domestic and foreign scholars, the friction tests of materials are mostly sliding friction and rolling friction. , ball-disk pair and ring-block pair, etc., while the study material rolling tribological properties are mostly four-ball pair, ring-ring pair, four-ball-rod pair, etc. [0003] For rolling tribological behavior, it is usually impossible to be pure rolling, mostly rolling and sliding, and there are few types of suitable matching pairs. In general, auxiliary test fixtures are required, and especially for ceramic materials, the molding process is more complicated. It is not easy to be processed into shapes such as rings and rods, and most of them are spherical and disk-shaped, so the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N19/00
CPCG01N19/00
Inventor 文怀兴王伟陈威
Owner SHAANXI UNIV OF SCI & TECH
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