Computer-Aided Thread Grinding without Form Dressing

概要

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Based on the present investigation, a computer-aided thread grinding method is proposed for generating helicoids without the form dressing process, in which a standard-shaped grinding wheel independent of the final helicoid is used. The method involves a simple conical or plain wheel, without limitations on diameter or base angle. With a five-axis control system, the wheel axis is set three-dimensionally at the computed optimum angle of inclination comprising the tilt and swivel angle components of the planned helicoid and wheel. The optimum angle of inclination is deter-mined through simulation of the grinding process and an investigation of the optimum angle of inclination that will give the minimum geometrical error. Both the approximate ideal screw helicoids and the approximate advanced-chased helicoids are developed more accurately than the conventionally milled helicoids.
一般社団法人日本機械学会の論文
1994-03-15