赤外線温度計測によるドリル摩耗量の予測
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概要
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This paper proposes a simple method for estimating the flank wear of drill by measuring drilling temperature using infrared ray thermometry in the non-contact way. The chip forms were examined to correlate chip types with rising drilling temperature. The both relationships between the drilling temperature and chip forms, and drilling temperature and flank wear were discussed. The HSS drills were used in this experiment and a series of drilling tests were performed to using a CNC drilling center by changing the cutting parameters on drilling hyper-eutectic Al–Si alloy. The flank wear of drill and drilling forces were measured. The main results are as follows: (1) The chip forms for drilling can be mainly classified in four types correspond to drilling temperature, so that the drilling temperature can be roughly predicted from chip forms. The flank wear rate of drills related mutually drilling temperature, therefore, it is possible that the flank wear of drill was estimated by measuring drilling temperature with a infrared ray thermometer. (2) There is no difficulty for chip rejection from drilling hole when drilling temperature didn't exceed about 600 K. (3) The hardness of work material around the holes drilled are soften when drilling temperature increased above 900 K.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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