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開粗：在機(ji)(ji)床的(de)較大(da)(da)負荷下(xia)，絕大(da)(da)局部(bu)狀況(kuang)應選用盡(jin)(jin)能(neng)(neng)夠大(da)(da)的(de)刀(dao)，盡(jin)(jin)能(neng)(neng)夠大(da)(da)的(de)的(de)進(jin)(jin)刀(dao)量，盡(jin)(jin)能(neng)(neng)夠快的(de)進(jin)(jin)給。在同(tong)一把刀(dao)的(de)狀況(kuang)下(xia)，進(jin)(jin)給與進(jin)(jin)刀(dao)量成(cheng)正比。普(pu)通(tong)狀況(kuang)下(xia)，機(ji)(ji)床的(de)負荷不(bu)是成(cheng)績(ji)，選刀(dao)的(de)準繩(sheng)(sheng)次(ci)要依商(shang)品的(de)二維角與三維弧能(neng)(neng)否(fou)過小來思索(suo)。選好(hao)刀(dao)后，便定刀(dao)長，準繩(sheng)(sheng)是刀(dao)長大(da)(da)于加工(gong)深度，大(da)(da)工(gong)件則(ze)要思索(suo)

數(shu)控(kong)(kong)車(che)床件(jian)(jian)(jian)加工(gong)(gong)的重(zhong)復性投(tou)產的零(ling)(ling)件(jian)(jian)(jian)：使用(yong)數(shu)控(kong)(kong)磨床的工(gong)(gong)序準(zhun)備(bei)工(gong)(gong)時(shi)占有較(jiao)高的比例，例如 工(gong)(gong)藝(yi)分析準(zhun)備(bei)、編(bian)制程序、零(ling)(ling)件(jian)(jian)(jian)首件(jian)(jian)(jian)調(diao)整試切等，這(zhe)些(xie)綜合工(gong)(gong)時(shi)的總和(he)往往是零(ling)(ling)件(jian)(jian)(jian)單件(jian)(jian)(jian)加工(gong)(gong)工(gong)(gong)時(shi)的幾十倍(bei)到上百倍(bei)，但這(zhe)些(xie)數(shu)控(kong)(kong)車(che)床工(gong)(gong)作內容都可以(yi)保存(cun)起來反(fan)復使用(yong)，所以(yi)一種零(ling)(ling)件(jian)(jian)(jian)在數(shu)控(kong)(kong)磨床上試制成功再重(zhong)復投(tou)產時(shi)