對主軸電機的要求主要為:
?。?)足夠的輸出功率,數(shù)控機床的主軸負載性質(zhì)近似于"恒功率",也就是當機床的主軸轉(zhuǎn)速高時,輸出轉(zhuǎn)矩較小;主軸轉(zhuǎn)速低時,輸出轉(zhuǎn)矩大;即要求主軸驅(qū)動裝置要具有"恒功率"的性質(zhì);
?。?)調(diào)速范圍:為保證數(shù)控機床合用于各種不同的刀具、加工材質(zhì);適應(yīng)于各種不同的加工工藝,要求主軸電機具有一定的調(diào)速范圍。但對主軸的要求比進給低;
?。?)速度精度:一般要求靜差度小于5%,更高的要求為小于1%;
?。?)快速:主軸驅(qū)動裝置有時也用在定位功能上,這就要求它也具有一定的快速性。
新聞:富陽市焊錫機專用步進電機60HB88-0830分銷
為了判斷拆下的NTN軸承能否重新使用,要著重檢查其尺寸精度、旋轉(zhuǎn)精度、內(nèi)部游隙以及配合面、滾道面、保持架和密封圈等。關(guān)于檢查結(jié)果,可由用慣軸承或精通軸承者進行判斷。判斷的標準根據(jù)機械性能和重要度以及檢查周期等而有所不同。如有以下?lián)p傷,軸承不得重新使用,必須更換。NTN軸承零部件的斷裂和缺陷。滾道面物滾動面的剝離。為使NTN軸承充分發(fā)揮并長期保持其應(yīng)有的性能,必須切實做好定期維護保養(yǎng)。通過適當?shù)亩ㄆ跈z查,做到早期發(fā)現(xiàn)故障,防止事故于未然,對提高生產(chǎn)率和經(jīng)濟性十分重要。
新聞:富陽市焊錫機專用步進電機60HB88-0830分銷
CV2200-3-S-G4-DR-V3
CV2200-5-S-G4-DR-V3
CV2200-10-S-G4-DR-V3
CV2200-15-S-G4-DR-V3
CV2200-20-S-G4-DR-V3
CV2200-25-S-G4-DR-V3
CV2200-30-S-G4-DR-V3
CV2200-40-S-G4-DR-V3
CV2200-45-S-G4-DR-V3
CV2200-50-S-G4-DR-V3
CV2200-60-S-G4-DR-V3
CV2200-70-S-G4-DR-V3
CV2200-80-S-G4-DR-V3
CV2200-90-S-G4-DR-V3
CV2200-100-S-G4-DR-V3
CV2200-120-S-G4-DR-V3
CV2200-140-S-G4-DR-V3
CV2200-160-S-G4-DR-V3
CV2200-180-S-G4-DR-V3
CV2200-200-S-G4-DR-V3
CV3700-3-S-G4-DR-V3
CV3700-5-S-G4-DR-V3
CV3700-10-S-G4-DR-V3
CV3700-15-S-G4-DR-V3
CV3700-20-S-G4-DR-V3
CV3700-25-S-G4-DR-V3
CV3700-30-S-G4-DR-V3
CV3700-40-S-G4-DR-V3
CV3700-45-S-G4-DR-V3
CV3700-50-S-G4-DR-V3
CV3700-60-S-G4-DR-V3
CV3700-70-S-G4-DR-V3
CV3700-80-S-G4-DR-V3
CV3700-90-S-G4-DR-V3
CV3700-100-S-G4-DR-V3
CV3700-120-S-G4-DR-V3
CV3700-140-S-G4-DR-V3
CV3700-160-S-G4-DR-V3
CV3700-180-S-G4-DR-V3
CV3700-200-S-G4-DR-V3
CV100-3-S-B-G4-DR-V3
CV100-5-S-B-G4-DR-V3
CV100-10-S-B-G4-DR-V3
CV100-15-S-B-G4-DR-V3
CV100-20-S-B-G4-DR-V3
CV100-25-S-B-G4-DR-V3
CV100-30-S-B-G4-DR-V3
CV100-40-S-B-G4-DR-V3
CV100-45-S-B-G4-DR-V3
CV100-50-S-B-G4-DR-V3
CV100-60-S-B-G4-DR-V3
CV100-70-S-B-G4-DR-V3
CV100-80-S-B-G4-DR-V3
CV100-90-S-B-G4-DR-V3
CV100-100-S-B-G4-DR-V3
CV100-120-S-B-G4-DR-V3
CV100-140-S-B-G4-DR-V3
CV100-160-S-B-G4-DR-V3
CV100-180-S-B-G4-DR-V3
CV100-200-S-B-G4-DR-V3
CV200-3-S-B-G4-DR-V3
CV200-5-S-B-G4-DR-V3
CV200-10-S-B-G4-DR-V3
CV200-15-S-B-G4-DR-V3
CV200-20-S-B-G4-DR-V3
CV200-25-S-B-G4-DR-V3
CV200-30-S-B-G4-DR-V3
CV200-40-S-B-G4-DR-V3
CV200-45-S-B-G4-DR-V3
CV200-50-S-B-G4-DR-V3
CV200-60-S-B-G4-DR-V3
CV200-70-S-B-G4-DR-V3
CV200-80-S-B-G4-DR-V3
CV200-90-S-B-G4-DR-V3
CV200-100-S-B-G4-DR-V3
CV200-120-S-B-G4-DR-V3
CV200-140-S-B-G4-DR-V3
CV200-160-S-B-G4-DR-V3
CV200-180-S-B-G4-DR-V3
CV200-200-S-B-G4-DR-V3
變頻器和伺服驅(qū)動器都是大家比較常用的電器設(shè)備了,但是同樣都是控制電機頻率的為什么要用兩種不同的電器設(shè)備!下面將從變頻器、伺服電機操控和電機三個方面進行介紹和比照。
變頻器方面:
簡略的變頻器只能調(diào)理溝通電機的速度,這時能夠開環(huán)也能夠閉環(huán)要視操控方法和變頻器而定,這就是傳統(tǒng)意義上的V/F操控方法。如今許多的變頻現(xiàn)已經(jīng)過數(shù)學(xué)模型的樹立,將溝通電機的定子磁場UVW3相轉(zhuǎn)化為能夠操控電機轉(zhuǎn)速和轉(zhuǎn)矩的兩個電流的分量,如今大多數(shù)能進行力矩操控的品牌的變頻器都是選用這樣方法操控力矩,UVW每相的輸出要加摩爾效應(yīng)的電流檢測設(shè)備,采樣反應(yīng)后構(gòu)成閉環(huán)負反應(yīng)的電流環(huán)的PID調(diào)理;AFSEN的變頻又提出和這樣方法不一樣的直接轉(zhuǎn)矩操控技能。這樣能夠既操控電機的速度也可操控電機的力矩,并且速度的操控精度優(yōu)于v/f操控,編碼器反應(yīng)也可加可不加,加的時分操控精度和呼應(yīng)特性要好許多。
新聞:富陽市焊錫機專用步進電機60HB88-0830分銷
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新聞:富陽市焊錫機專用步進電機60HB88-0830分銷
IHF系列氟塑料襯里化工泵是目前化工行業(yè)耐腐蝕設(shè)備之一,在使用此系列泵時我們首先應(yīng)該懂得如何去讓其正常運行,并要學(xué)會好好保養(yǎng)此類設(shè)備,下面是我公司為廣大用戶總結(jié)出的IHF系列日常使用規(guī)范:使用前應(yīng)向泵內(nèi)加足儲液,嚴禁無液或儲液不足的情況下啟動運轉(zhuǎn),否則即會燒壞機械密封件,泵不能正常工作。接通電源,先點動啟動開關(guān),看電機的運轉(zhuǎn)方向和泵的轉(zhuǎn)向是否相符,如果不相符應(yīng)馬上糾正,嚴禁倒轉(zhuǎn)。機組運行5-1分鐘,如無異?,F(xiàn)象,即可投入工作。