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Curve peeling fixture and braided bearing gasket curve bonding quality testing method and system thereof

A technology of bonding quality and testing method, applied in the field of tribology, to achieve the effect of enhanced operability, convenient use and accurate testing

Inactive Publication Date: 2012-02-22
台州科锦轴承有限公司
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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 self-lubricating joint bearing braided liner curved surface bonding quality test method to solve the problem of curved surface peeling quality testing

Method used

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  • Curve peeling fixture and braided bearing gasket curve bonding quality testing method and system thereof
  • Curve peeling fixture and braided bearing gasket curve bonding quality testing method and system thereof
  • Curve peeling fixture and braided bearing gasket curve bonding quality testing method and system thereof

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Embodiment Construction

[0033] 1. Surface peeling fixture

[0034] Surface peeling fixtures such as figure 2As shown, take the example of peeling the braided liner from the inner surface of the spherical plain bearing outer ring. The curved surface peeling jig includes an upper jig 13 and a lower jig 14. The upper jig 13 is used to clamp the spherical plain bearing outer ring 11, and the lower jig 14 It is used to clamp the braided liner 12 located on the inner surface of the outer ring of the spherical plain bearing. The upper clamp 13 includes a clamp body 17 and a positioning plate 15. The bottom of the clamp body 17 is provided with an arc groove of 160°-180°. The arc The two ends of the notch of the arc-shaped groove are provided with a positioning plate 15, which is used to fix the object to be peeled off on the curved surface between the arc-shaped groove and the positioning plate. The positions of the two ends of the arc-shaped groove are different in height, and the function is: the bearin...

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Abstract

The invention relates to a curve peeling fixture and a braided bearing gasket curve bonding quality testing method and a system thereof. The testing method includes steps of cutting an outer ring of a self-lubricated oscillating bearing to be tested into peeling samples with radian smaller than 180 degrees; peeling a braided gasket from the outer rings of the peeling samples of the oscillating bearings at a designed speed in an peeling angle larger than 100 degrees, and recording data value of peeling force varying along with the peeling length during peeling; drawing a curve diagram of peeling of the braided gasket of the oscillating bearing according to the obtained data, calculating the peeling strength according to the curve diagram, and then calculating the coefficient of deviation degree, wherein fluctuation extent of the peeling curve is higher along with increase of the coefficient of the deviation degree, while the stability of bonding quality within the peeling length is poorer; conversely, the stability of bonding quality within the peeling length is higher. The operability of the bonding quality testing method is improved fundamentally, and bonding quality of curves of the braided gasket of the self-lubricated oscillating bearing can be tested quantitatively and accurately.

Description

technical field [0001] The invention belongs to the technical field of tribology, and relates to a curved surface peeling fixture, a self-lubricating joint bearing braided pad curved surface bonding quality testing method and a testing system using the curved surface peeling fixture. Background technique [0002] Self-lubricating spherical plain bearings rely on the self-lubricating function of self-lubricating materials so that the bearings can still work normally under dry friction conditions. Reciprocating swing is widely used in cutting-edge high-tech fields such as aviation, aerospace, and railways. Braided liner self-lubricating spherical plain bearing relies on self-lubricating woven liner for self-lubrication. The woven liner needs to be bonded to the inner surface of the outer ring of the spherical plain bearing with adhesive. The common woven liner is made of PTFE fiber It is woven with other functional fibers. Because PTFE has an extremely low friction coefficien...

Claims

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Application Information

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IPC IPC(8): G01N19/04
Inventor 占松华张法富徐煜星赵银龙张平
Owner 台州科锦轴承有限公司
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