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LIFETIME TESTING DEVICE OF ROLLING BEARING WITH INTERMINGLED FOREIGN MATTER
LIFETIME TESTING DEVICE OF ROLLING BEARING WITH INTERMINGLED FOREIGN MATTER
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机译：带有混杂异物的滚动轴承的寿命测试装置
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摘要
PROBLEM TO BE SOLVED: To provide a lifetime testing device of a rolling bearing with intermingled foreign matter capable of keeping damage inflicted on the raceway surface or the rolling surface of the rolling bearing by the foreign matter approximately in the constant state in each test, improving reliability of a lifetime test wherein surface starting type exfoliation is generated on a bearing ring, and allowing a large quantity of foreign matter to pass, while compacting the whole device.;SOLUTION: This device is equipped with a storage part 1 for storing lubricating liquid L1 wherein the foreign matter G1 is intermingled, a shaft member 5 laid rotatably in the storage part, and a bearing part 3 provided at a prescribed interval in the vertical direction orthogonal to the shaft member. The rolling bearing 6 is arranged relatively rotatably in the lubricating liquid between the shaft member and the bearing part. The shaft member is equipped with a liquid flow generation member 7 rotated by rotating movement of the shaft member, for stirring and circulating the lubricating liquid wherein the foreign matter is intermingled stored in the storage part, and generating a flow F1 toward the rolling bearing direction in the lubricating liquid wherein the foreign matter is intermingled.;COPYRIGHT: (C)2007,JPO&INPIT
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