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High speed bearing tester

A high-speed bearing and testing machine technology, applied in the direction of mechanical bearing testing, etc., can solve the problem of low precision of bearing testing machine

Active Publication Date: 2012-08-15
国创(洛阳)轴承产业技术研究院有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The invention provides a high-speed bearing testing machine with high testing precision, aiming to solve the problem of low precision of bearing testing machines in the prior art

Method used

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Embodiment Construction

[0032] The embodiment of high-speed bearing testing machine of the present invention: as Figure 1 to Figure 8 As shown, the testing machine includes a test spindle 1, a loading device 2, an inner ring cooling structure 3, an outer ring cooling structure 4, and an electric spindle device 5, wherein the electric spindle device 5 and the loading device 2 are respectively arranged on the left and right sides of the test spindle 1 At both ends, the inner ring cooling structure 3 is set on the test spindle 1 , and the outer ring cooling structure 4 is set on the loading device 2 .

[0033] The loading device 2 is composed of a base 201 , a bearing housing 202 , a test bearing 203 , a radial loading device 204 and an axial loading device 205 . Wherein, there are two accompanying test bearings 203, and are arranged on the left and right sides of the bearing seat 202 respectively. The bearing seat 202 is composed of an inner carrier 212 fixed on the outer ring of the test bearing 6, a ...

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Abstract

The invention relates to a high speed bearing tester, wherein the tester is provided with test accompany bearings on the left and right sides of a bearing seat provided with a test bearing, and a bridging frame is arranged between the two test accompany bearings, the bridging frame is pushed and pulled by a radial force applying mechanism to drive a test main shaft to apply a radial load on the test bearing, the axial acting force of the test accompany bearings acting on the bearing seat and the test bearing during the radial loading process is reduced by radial guide mechanisms arranged between the outer rings of the test accompany bearings and the bearing seat so as to act the counterforce of the acting force of the radial force applying mechanism on the test bearing by means of the action of the bearing seat, the radial loading force loaded by the test main shaft on the test bearing is consistently equal to a radial external force applied by the force applying mechanism on the bridging frame, and the radial guide mechanisms eliminate the axial acting force of the test accompany bearings acting on the bearing seat during the radial loading process so as to guarantee more accurate radial load measurement in the invention.

Description

technical field [0001] The invention relates to the technical field of bearing testing, in particular to a high-speed bearing testing machine. Background technique [0002] With the development of CNC machine tools in the direction of high speed, high precision, high efficiency and environmental protection, the requirements for the running accuracy and reliability of bearings on machine tools are getting higher and higher, and people are increasingly aware of the importance of bearing tests. Bearing test is an indispensable and important verification process in the bearing design and manufacturing process. On the bearing testing machine, according to the actual installation conditions and actual operating conditions of the bearing, that is, the bearing speed, axial load, radial load and ambient temperature, The lubricating state, etc. shall be operated according to the actual working conditions, until the predetermined life is reached or the bearing fails. The loading load ...

Claims

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Application Information

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IPC IPC(8): G01M13/04
Inventor 何强叶军
Owner 国创(洛阳)轴承产业技术研究院有限公司
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