METHOD FOR TESTING ROLLING FATIGUE
PROBLEM TO BE SOLVED: To provide a method for testing rolling fatigue capable of evaluating rolling fatigue characteristics by a simple method using a test material manufactured by simple work without shaping a material with which fatigue characteristics are evaluated, into a sphere or a roll needed...
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| creator | TSUCHIDA TAKEHIRO |
| description | PROBLEM TO BE SOLVED: To provide a method for testing rolling fatigue capable of evaluating rolling fatigue characteristics by a simple method using a test material manufactured by simple work without shaping a material with which fatigue characteristics are evaluated, into a sphere or a roll needed for high process accuracy.SOLUTION: An evaluation object test piece A comprises a shaft-like base shaft part 1, and an evaluation object part 2 formed at the tip of the base shaft part. The evaluation object part 2 is formed with a convex surface 3 symmetric with respect to a rotary axis (a). An angle formed between the rotary axis (a) of the evaluation object test piece A and a contact face b of another test piece B is defined as more than 0° and less than 90°. The evaluation object test piece A is rotated around the rotary axis (a) with the convex surface 3 of the evaluation object test piece A brought into contact with the contact face b of the other test piece B. |
| format | Patent |
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The evaluation object part 2 is formed with a convex surface 3 symmetric with respect to a rotary axis (a). An angle formed between the rotary axis (a) of the evaluation object test piece A and a contact face b of another test piece B is defined as more than 0° and less than 90°. 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The evaluation object part 2 is formed with a convex surface 3 symmetric with respect to a rotary axis (a). An angle formed between the rotary axis (a) of the evaluation object test piece A and a contact face b of another test piece B is defined as more than 0° and less than 90°. 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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR |
| title | METHOD FOR TESTING ROLLING FATIGUE |
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