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當(dāng)前位置:首頁技術(shù)文章學(xué)會設(shè)置西門子伺服驅(qū)動器維修的轉(zhuǎn)速很重要

學(xué)會設(shè)置西門子伺服驅(qū)動器維修的轉(zhuǎn)速很重要

更新時間:2019-09-26點擊次數(shù):1440
       由于西門子伺服驅(qū)動器維修存在機械結(jié)構(gòu)復(fù)雜,維修工作量大包括電刷、換向器等則成為直流伺服驅(qū)動技術(shù)發(fā)展的瓶頸。隨著微處理技術(shù)、大功率電力電子技術(shù)的成熟和電機永磁材料的發(fā)展和成本降低,交流伺服系統(tǒng)得到長足發(fā)展并將逐步取代直流伺服系統(tǒng)。
  針對客戶具體單一應(yīng)用,由于其特殊的技術(shù)和成本指標(biāo),通用伺服產(chǎn)品很難達到要求,這就需要量身定制,在原有伺服驅(qū)動器驅(qū)動器中嵌入用戶特定的運動控制功能,可大大降低產(chǎn)品成本。這些典型行業(yè)客戶需求具備一定批量,同時要求有較高的可靠性。電機技術(shù)有限公司的數(shù)字伺服產(chǎn)品在紡織設(shè)備、印刷設(shè)備、電梯設(shè)備、機器人等行業(yè)已有成熟的應(yīng)用。
  西門子伺服驅(qū)動器是生產(chǎn)部門常用的工作器械,在使用過程中,有朋友反映伺服驅(qū)動器轉(zhuǎn)速會出現(xiàn)很多問題。伺服驅(qū)動器轉(zhuǎn)速較低時,電機會停止運作。那么到底伺服驅(qū)動器轉(zhuǎn)速能不能自己設(shè)置,轉(zhuǎn)速究竟跟什么有關(guān)系呢?
  一、西門子伺服驅(qū)動器轉(zhuǎn)速是不是可以任意設(shè)置?
  伺服驅(qū)動器的轉(zhuǎn)速是可以任意設(shè)置的,具體怎么設(shè)置,這個就要根據(jù)詳細的運用操控形式來決定了。一般有兩種情況:
  1、假如是用外部模擬量來進行速度形式操控的話,你輸入的模擬量電壓正比于電機的轉(zhuǎn)速,比如說驅(qū)動器內(nèi)部參數(shù)默許的是每1V電壓值,電機每分鐘轉(zhuǎn)500圈,輸出3V電壓,即是每分鐘1500轉(zhuǎn)了。當(dāng)然,每V電壓所對應(yīng)的電機轉(zhuǎn)速是能夠設(shè)定的,默許是500,可以改成80,也可以改成800。只需改變輸出模擬量的電壓值大小,就能夠任意設(shè)置電機的轉(zhuǎn)速了。
  2、還有一種是運用方位操控形式,這時電機的轉(zhuǎn)速正比于上位發(fā)送脈沖的頻率,驅(qū)動器內(nèi)部設(shè)定10000個脈沖轉(zhuǎn)一圈的話,假如每秒鐘上位發(fā)送10000個脈沖,電機就一秒轉(zhuǎn)一圈。這時想要改變電機的轉(zhuǎn)速,只需要改變上位發(fā)送脈沖的頻率就行了。上位發(fā)送脈沖頻率越大,電機的轉(zhuǎn)速就越快。
  二、西門子伺服驅(qū)動器轉(zhuǎn)速較低時為什么會短暫停止工作?
  一般來說,即使伺服驅(qū)動器轉(zhuǎn)速再低,電機也不會停止運作。伺服驅(qū)動器停止工作,應(yīng)該與轉(zhuǎn)速沒有關(guān)系。之所以低轉(zhuǎn)速時,伺服驅(qū)動器會停止運作,可能只是巧合。

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