臺(tái)達(dá)變頻器在切削力測量實(shí)驗(yàn)中的應(yīng)用
上傳時(shí)間:2010/6/2 16:36:59
摘要:切削力是金屬切削中的重要現(xiàn)象之一,與切削速度呈駝峰曲線關(guān)系。為了使車削中的切削速度不受工件直徑變化影響,而得到清晰完整的駝峰曲線,采用臺(tái)達(dá)變頻器對機(jī)床主電機(jī)進(jìn)行無級(jí)調(diào)速,從而使主軸轉(zhuǎn)速由主電機(jī)工作頻率和調(diào)速手柄共同決定。實(shí)驗(yàn)結(jié)果表明無級(jí)調(diào)速可得到較理想的駝峰曲線。
敘詞:臺(tái)達(dá)變頻器 機(jī)床 無級(jí)調(diào)速 切削力 駝峰曲線
Abstract:Cutting force is one of the important phenomenons, and presents the relation of hump curve. However, cutting speed is effected by workpiece diameter. For obtaining a legible and perfect hump curve, a Delta transducer was applied to carry out stepless speed regulating of the main electromotor of machine tool. Consequently, the main shaft speed was decided by the electromotor working frequency and speed selection handles. The experiment result shows that the legible and perfect hump curve can be achieved under the stepless speed regulating.
Keyword:Delta transducer Machine tool Stepless speed regulating Cutting force Hump curve
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