카카오스토리
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인 SM45C소재를 절삭 깊이 3mm, 이송속도를 0.2mm/rev, 주축 회전수를 400rpm으로 1회 가공할 때, 가공 소요시간은 약 몇 분인가?https://gongquiz.com/main/pages/search.php?q=%EA%B8%B0%EA%B3%84%EC%84%A4%EA%B3%84%EC%82%B0%EC%97%85%EA%B8%B0%EC%82%AC
https://gongquiz.com/main/pages/%EC%84%A0%EB%B0%98%EA%B0%80%EA%B3%B5%EC%97%90%EC%84%9C+%7BQUIZIMG%3A1%7D%EC%9D%B8+SM45C%EC%86%8C%EC%9E%AC%EB%A5%BC+%EC%A0%88%EC%82%AD+%EA%B9%8A%EC%9D%B4+3mm%2C+%EC%9D%B4%EC%86%A1%EC%86%8D%EB%8F%84%EB%A5%BC+0+2m.quiz??mode=practice&quizNo=311832&historyNo=reset
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{"311832":[1,2,3,4],"311833":[1,2,3,4],"311834":[1,2,3,4],"311835":[1,2,3,4],"311836":[1,2,3,4],"311837":[1,2,3,4],"311838":[1,2,3,4],"311839":[1,2,3,4],"311841":[1,2,3,4],"311842":[1,2,3,4]}
practice
154688038
