數控車床加工軸速度的設定

數控車床加工軸速度的設定 數shu控kong係xi統tong根gen據ju數shu控kong機ji床chuang的de應ying用yong情qing況kuang，對dui每mei個ge軸zhou設she計ji了le相xiang關guan速su度du參can數shu。首shou先xian是shi軸zhou的de最zui高gao速su度du
，該gai速su度du實shi際ji上shang是shi數shu控kong機ji床chuang坐zuo櫝櫝特te性xing的de體ti再zai。軸zhou的de最zui高gao速su度du與yu傳chuan動dong係xi統tong的de機ji械xie結jie構gou和he伺si服fu電dian動dong機ji的de特te性xing有you關guan。理li論lun上shang

，當dang絲si杠gang螺luo距ju為wei10mm，伺服電動機與絲杠直連
，伺服電動機的最高轉速為3000r/min時，該軸的最高速度為3000mm/min。實際上，由於負載的質量
、運動部件的阻尼、sifudiandongjidezhuanjudengyuanyin，zhoudeshijisudukenengdabudaolilunsudu。lingwai
，youdezhouxingchengkenenghenduan，yaodadaohengaodesudu，xuyaohengaodejiasudu，zaizhezhongqingkuangxiaxuyaochuandongxitongjixiebujianjuyouhengaodegangxing
，tongshizaisifudiandongjixuanxingshi，yingxuanpeijuyougaodongtaitexing、足夠輸出轉矩的伺服電動機。數控機床的軸最高速度不是由一個機床參數決定的，而是取決於諸多條件。 與yu軸zhou最zui高gao速su度du配pei套tao的de另ling一yi個ge參can數shu是shi最zui高gao速su度du限xian製zhi。設she定ding軸zhou的de最zui高gao速su度du限xian製zhi是shi十shi分fen必bi要yao的de，其qi一yi個ge原yuan因yin是shi數shu控kong機ji床chuang軸zhou由you靜jing此ci到dao給gei定ding速su度du的de過guo程cheng中zhong會hui有you速su度du超chao調tiao。特te別bie在zai高gao加jia速su度du的de情qing況kuang下xia，速su度du超chao調tiao是shi不bu可ke避bi免mian的de。因yin此ci不bu能neng用yong軸zhou的de最zui高gao速su度du作zuo為wei速su度du極ji限xian。設she置zhi最zui高gao速su度du限xian製zhi的de另ling一yi個ge原yuan因yin是shi可ke以yi保bao證zheng在zai電dian纜lan連lian接jie錯cuo誤wu導dao致zhi速su度du正zheng反fan饋kui超chao速su時shi，驅qu動dong係xi統tong可ke以yi自zi動dong斷duan掉diao伺si服fu使shi能neng，確que保bao數shu控kong機ji床chuang的de軸zhou不bu會hui因yin為wei超chao速su而er損sun壞huai。