描述
MVI46-MCM
把電機(jī)和負(fù)載脫開，空試電機(jī)，檢測振動值。檢查電機(jī)底腳振動值，依據(jù)國標(biāo)GB10068-2006，底腳板處的振動值不得大于軸承相應(yīng)位置的25%，如超過此數(shù)值說明電機(jī)基礎(chǔ)不是剛性基礎(chǔ)。如四個底腳只有一個或?qū)莾蓚€振動超標(biāo)，松開地腳螺栓，振動就會合格，說明該底腳下墊得不實,地腳螺栓緊固后引起機(jī)座變形產(chǎn)生振動,把底腳墊實，重新找正對中，擰緊地腳螺栓。把基礎(chǔ)上四個地腳螺栓全緊固，電機(jī)的振動值仍然超標(biāo)，這時檢查軸伸上裝的聯(lián)軸器是否和軸肩靠平了，如不平，軸伸上多余的鍵產(chǎn)生的激振力會引起電機(jī)水平振動超標(biāo)。這種情況振動值超得不會太多，往往和主機(jī)對接后振動值能下降，應(yīng)說服用戶使用，二極電機(jī)在出廠試驗時根據(jù)GB10068–2006在軸伸鍵槽內(nèi)裝在半鍵。多余的鍵就不會額外增加激振力。如需處理，只需把多余的鍵截去多出長度的一般即可。如電機(jī)空試振動不超標(biāo)，帶上負(fù)載振動超標(biāo)，有兩種原因：一種是找正偏差較大；另一種是主機(jī)的旋轉(zhuǎn)部件（轉(zhuǎn)子）的殘余不平衡量和電機(jī)轉(zhuǎn)子的殘余不平衡量所處相位重疊，對接后整個軸系在同一位置的殘余不平衡量大，所產(chǎn)生的激振動力大引起振動。這時，可以把聯(lián)軸器脫開，把兩個聯(lián)軸器中的任一個旋轉(zhuǎn)180℃，再對接試機(jī)，振動會下降。車床本身就是一個制造機(jī)器的設(shè)備，所以說他能夠制造機(jī)床本身所有的機(jī)器，當(dāng)然他也可以利用一系列的機(jī)械加工方法來滿足不同的制造。所謂的機(jī)械加工就是把整個金屬的毛零件加工形成一種所需的形狀，在這里面包含整個尺寸的精度，包括幾何的精度。能夠完成這種功能的設(shè)備基本上都稱為世界床，那么數(shù)控車床本身就是在機(jī)床的發(fā)展過程當(dāng)中發(fā)展過來的，數(shù)控車床的精度以及效率要求相對較高。數(shù)控車床相對于一般的機(jī)床也就是多了數(shù)字控制，他們之間究竟有什么樣的區(qū)別呢？
產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢價格，大量現(xiàn)貨。
主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌：ABB???,AB??,GE,FOXBORO,本特利，英維思，伍德沃德，西屋，瑞恩，施耐德，西門子，摩托羅拉，安川。力士樂。ACSO，橫河等進(jìn)口品牌。 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實力庫存商家
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專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
PLC模塊，可編程控制器，CPU模塊，IO模塊，AI模塊，通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅
15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實力庫存商家
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