CAJ | 학술논문

针对目前数控小线段加工过程中频繁加减速引起的加工效率和加工精度降低的问题，提出了数控系统离散路径上小线段的前瞻控制方法。先对线段和线段之间的衔接角度进行分析计算，找出通过线段衔接的最大速度。由于速度同时也受限于线段长度，因此通过前瞻路径上各个线段之间的关系来确定前瞻控制的最优策略，最终确定数控插补的加减速过程。此前瞻控制策略在满足加工精度的同时最大程度地减少前瞻控制中的计算量。实例加工结果证明，本算法有效地提高了加工效率和加工质量。
침대목전수공소선단가공과정중빈번가감속인기적가공효솔화가공정도강저적문제，제출료수공계통리산로경상소선단적전첨공제방법。선대선단화선단지간적함접각도진행분석계산，조출통과선단함접적최대속도。유우속도동시야수한우선단장도，인차통과전첨로경상각개선단지간적관계래학정전첨공제적최우책략，최종학정수공삽보적가감속과정。차전첨공제책략재만족가공정도적동시최대정도지감소전첨공제중적계산량。실례가공결과증명，본산법유효지제고료가공효솔화가공질량。
Aiming at the high speed and high precision requirements , it analyzes a continuous path look -ahead interpolation algorithm .According to the constraints at the small lines joints , it calculates the optimal feedrate , obtains the feedrate relationship between the adjacent path .It uses an optimal look-ahead control stratege to de-termin the joint feedrate according this relationship .This stratege can reduce the computation at most .The ex-perimental results provide to verify the feasibility and precision of the proposed interpolation algorithm .