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原旭朋
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樓主  發(fā)表于: 2019-08-26 10:50
圖片：
用臺達EH3絕對定位控制臺達A2私服驅動(dòng)絲桿做往復定位，運行一段時(shí)間后，位置發(fā)生偏移，但是再次回原，位置又正常，應該考慮是哪里問(wèn)題？丟脈沖，驅動(dòng)器或者電機，還是機械部分？聯(lián)軸器檢查了，不松，絲桿聯(lián)軸器這側固定法蘭的對面一側有個(gè)固定螺母，缺失，是否會(huì )影響定位。網(wǎng)上找的圖，就是聯(lián)軸器左側這個(gè)固定螺母缺失，是否會(huì )導致位置發(fā)生偏移不準。
流辰沙
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1樓  發(fā)表于: 2019-08-26 11:19
一般來(lái)說(shuō)就干擾和機構松動(dòng)兩個(gè)原因
1、對比下驅動(dòng)器和PLC上的脈沖數，排除干擾的可能性；
2、如果沒(méi)干擾，就是機構松動(dòng)了，把電機裝到有螺母的絲桿上去試試

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