為什么全自動上板機的準確率大多不是很高?其實有幾個因素會影響全自(zi)動上板(ban)機的運行。今天就給大家介紹(shao)一下。
1.不(bu)同(tong)的(de)定(ding)位方式(shi)有不(bu)同(tong)的(de)影響因素。例如(ru),當(dang)定(ding)位機械制(zhi)動(dong)器時(shi),定(ding)位精度(du)與制(zhi)動(dong)器的(de)剛性和制(zhi)動(dong)器被觸(chu)摸(mo)的(de)速度(du)有關。
2.全自(zi)動(dong)上板(ban)機的(de)定(ding)位速(su)度(du)對定(ding)位精度(du)影響很大。這是因(yin)為(wei)當定(ding)位速(su)度(du)不同(tong)(tong)時(shi),運動(dong)部件所(suo)消耗的(de)能(neng)量是不同(tong)(tong)的(de)。一(yi)般(ban)為(wei)了減少定(ding)位誤差(cha),需要(yao)合理控(kong)制(zhi)(zhi)定(ding)位速(su)度(du),如(ru)提高(gao)緩(huan)沖(chong)設備的(de)緩(huan)沖(chong)性能(neng)和效率,控(kong)制(zhi)(zhi)驅動(dong)系統(tong)及時(shi)減緩(huan)運動(dong)部件。
3.全自動上板(ban)機(ji)(ji)精(jing)密(mi)機(ji)(ji)械手(shou)的制(zhi)造精(jing)度和安裝速度調整精(jing)度直接影響定位(wei)精(jing)度。
4.運(yun)動(dong)部(bu)件(jian)(jian)(jian)(jian)的(de)(de)部(bu)件(jian)(jian)(jian)(jian)包括機械手(shou)本身的(de)(de)部(bu)件(jian)(jian)(jian)(jian)和被抓取物(wu)體的(de)(de)部(bu)件(jian)(jian)(jian)(jian)。運(yun)動(dong)分(fen)(fen)量的(de)(de)變(bian)化(hua)對定位精(jing)度(du)有很大影(ying)響。一般來說(shuo),當運(yun)動(dong)部(bu)件(jian)(jian)(jian)(jian)的(de)(de)分(fen)(fen)量增加(jia)時,定位精(jing)度(du)會下(xia)降(jiang)。因此,在設(she)計中,不(bu)僅要減少(shao)運(yun)動(dong)部(bu)件(jian)(jian)(jian)(jian)的(de)(de)分(fen)(fen)量,還要考慮工(gong)作過程中握持部(bu)件(jian)(jian)(jian)(jian)變(bian)化(hua)的(de)(de)影(ying)響。
5.控制系統的開關控制、電液比(bi)例控制和(he)伺服控制的位置控制精度不(bu)(bu)同(tong)(tong)。這不(bu)(bu)僅(jin)與(yu)各種控制元(yuan)件的精度和(he)靈敏度不(bu)(bu)同(tong)(tong)有關,還與(yu)位置響應設備的有無有關。
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