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J. H. Baek(백종현),N. A. B. Razali(누룰 아키라 빈티 라자리),M. S. Joun(전만수),T. J. Kim(김태종),S. J. Kim(김수진) Korean Society for Precision Engineering 2021 한국정밀공학회 학술발표대회 논문집 Vol.2021 No.11월
The accuracy of Linear Motion bearing (LM Bearing) of a machine tool is very important to evaluate the performance of the machine. Laser interferometer measurement system is one of the most reliable equipment to measure the angular error. This system is widely used to measure the position and angular errors by using an optical separator and reflector. Recently, the importance of remanufacturing for circular economy for carbon-neutral has been increasing. In machine tools, it is necessary to determine whether old parts can be reuse by measuring the precision of LM bearing for remanufacturing. Angular error of the LM bearing was caused by the straightness error of the rail. In this paper, the angular error of used LM bearing was compared to the new one to determine if it’s either residual or vice versa. Using Renshaw’s laser interferometer, we measured the pitch and yaw angle of the THK’s new LM bearing and the old LM roller bearing belongs to old planner miller that was disassembled for remanufacturing. By providing the result of both comparisons, we intended to help the machine tool industry in implementing circular economy.