Improving Productivity in NC Lathe Turning Based on NC Program Diagnosis System (1st Report)

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  • NC旋盤の生産性向上に関する研究(第1報)
  • NC旋盤の生産性向上に関する研究(第1報): NCプログラムシミュレータを用いた生産性の現状調査と加工能率改善の検討
  • NC旋盤の生産性向上に関する研究-1-NCプログラムシミュレータを用いた生産性の現状調査と加工能率改善の検討
  • NC センバン ノ セイサンセイ コウジョウ ニ カンスル ケンキュウ 1 N
  • Survey and Improvement on the Productivity in Turning Operations done in Manufacturing Industries by Using NC Program Simulator
  • NCプログラムシミュレータを用いた生産性の現状調査と加工能率改善の検討

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Description

An NC program simulator has been developed for evaluating productivity in NC lathe turning. Machining information about cutting parameters, tool paths and operating time are retrieved from an NC program by the simulator. These information are very useful in order to evaluate productivity in NC lathe turning. A total of 193 NC programs from 29 manufacturing companies are investigated their productivity by comparing the percentage of jog feeding time during turning operation. The result of the investigation shows that the jog feeding time occupies about 80% of total operation time on an average of 193 examples. The simulation of the revised NC programs using the touch and cut method which eliminates an air-cut travel during jog feeding shows that the operation time of the NC program can be reduced about 6% on an average. The cutting test for estimating tool life proved that the touch and cut method does not reduce the tool lifetime under the experimental cutting condition.

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