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Fixture device for rolling-sliding mixed friction test, and use method of fixture device

A fixture device and mixed friction technology, which is applied in the field of material friction, can solve the problems of single size of auxiliary fixture and can not meet the clamping of ceramic balls, etc., and achieve the effect of compact structure, wide application range and good applicability

Active Publication Date: 2017-06-20
SHAANXI UNIV OF SCI & TECH
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to provide a fixture device for rolling-sliding mixed friction test and its use method, to study the friction and wear test of ceramic balls under the "rolling-sliding" mixed contact state, which solves the problem of existing ball-disc fit The size of the auxiliary fixture in the friction test is single, which cannot meet the clamping of ceramic balls of different sizes

Method used

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Embodiment Construction

[0031] The present invention is described in further detail below in conjunction with accompanying drawing:

[0032] see Figure 1 to Figure 3 , a kind of fixture device that is used for rolling-sliding mixed friction test provided by the present invention, comprises fixture head 2, and described fixture head 2 is connected on the main shaft system 1 of friction testing machine, and at the same time, described fixture head 2 comprises connecting part , the lower end of the connecting part is connected with a clamping part, the connecting part of the fixture head 2 adopts a conical structure, which can be automatically centered with the spindle system 1, the connection is reliable and the precision is high, and the spindle system 1 drives the fixture head 2 to rotate sports.

[0033] The holding part is a cylindrical structure, and a support seat 3 is installed at the center of the lower surface of the cylindrical structure. The support seat 3 is an L-shaped structure, and the...

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Abstract

The invention provides a fixture device for a rolling-sliding mixed friction test, and a use method of the fixture device. A set of block-ball-tray assembling device is formed by a pin sample, a ceramic ball sample and a tray sample; the radial size of the ceramic ball sample is adjusted by adjusting the aperture of a center hole of a bushing and adjusting the extending length of the pin sample, and the axial distance of the ceramic ball sample is adjusted by adjusting the distance between a support seat and the lower surface of a fixture head, so that the requirement of clamping ceramic ball samples with different diameters in a certain diameter range can be met. The fixture device is compact in structure, and has good applicability for the research of tribology behavior of materials in a rolling-sliding mixed state.

Description

technical field [0001] The invention belongs to the field of material friction, and in particular relates to a fixture device for rolling-sliding mixed friction test and a use method thereof. 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 pairing and ring-block matching pair, etc., and most of the matching pairs used to study the rolling tribological properties of materials are four-ball matching pairs, ring-ring matching pairs, and four-ball-rod matching pairs. [0003] For the rolling tribological behavior, it is usually impossible to be pure rolling, mostly rolling and sliding, and there are fewer types of 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 process into shapes such as r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/04G01N3/56
CPCG01N3/04G01N3/56
Inventor 文怀兴王伟何乃如王宁侠
Owner SHAANXI UNIV OF SCI & TECH
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