No.1015E 2018Special Edition on Enviromental Technologies Development of Real-Time Thermal Displacement Compensation System for Machining Centers |
| Category | TECHNICAL PAPER |
|---|---|
| Author | H. IWAI Y. SASAKI Process Technology R&D Dept., Research & Development Headquarters Y. WAKAZONO Process Technology R&D Dept., Research & Development Headquarters, Doctor of Engineering Y. SAKURAI Process Technology R&D Dept., Research & Development Headquarters Y. OKA Machine Tools Development Dept., Machine Tools & Mechatronics Operations Headquarters |
| Abstract | The thermal displacement of machine tools due to environmental temperature change causes machining errors. To compensate thermal displacement, we have developed a fast and accurate method for estimating thermal displacement based on FEM using the temperature obtained by the sensors attached to the machine tool. Machining errors due to the thermal displacement on horizontal machining centers equipped with this system were able to be reduced by 80% or more in an environment where the room temperature varies by 20°C. |
| Keyword | machine tool, thermal displacement, displacement compensation, real-time, FEM |
| Reference | Y. OKA, H. TSUSAKA : Development of the FH630SX-i Horizontal Spindle Machining Center, JTEKT ENGINEERING JOURNAL, No. 1012E (2015) 70. |
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