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易變形、翹裂、霉變:特別是用在戶外的情況下,在潮濕、太陽暴曬等環(huán)境下極易發(fā)生此類情況。、易受蟲蟻侵害:主要是白蟻的傷害。、易燃、對森林的破壞力度大而木材替代產(chǎn)品――生態(tài)木則青出于藍而勝于藍!生態(tài)木是革命性環(huán)保材料,是目前上木材替代技術(shù)成熟,適用于大規(guī)模工業(yè)化生產(chǎn)的原料。中大綠裝生態(tài)木不需要做任何的表面處理,如印刷、貼面等,具有天然木材的質(zhì)感和美麗的木紋,防水、防白蟻、阻燃、耐污染、可循環(huán)利用等,各種環(huán)保、抗老化、色堅牢度的檢測均達到標準。標題】產(chǎn)品介紹
新聞:臨江市V-CUT機專用步進電機K266-02M型錄由廈門伊詩圖電氣有限公司新品上市新聞:臨江市V-CUT機專用步進電機K266-02M型錄上述因素的影響也因塑料材料的不同,或者其它成型條件如溫度、濕度、繼續(xù)結(jié)晶化、成型后的注塑機的變化而不同。由于注塑過程是把塑料從固態(tài)(粉料或粒料)向液態(tài)(熔體)又向固態(tài)(制品)轉(zhuǎn)變的過程。從粒料到熔體,再由熔體到制品,中間要經(jīng)過溫度場、流場以及密度場等的作用。在這些場的共同作用下,不同的塑料(熱固性或熱塑性、結(jié)晶性或非結(jié)晶性、增強型或非增強型等)具有不同的聚合物結(jié)構(gòu)形態(tài)和流變性能。凡是影響到上述因素必將會影響到塑料制品的物理力學性能、尺寸、形狀、精度與外觀質(zhì)量。
一般情況下,除塵布袋是逐漸磨損的,引起磨損的主要原因是粉塵的磨削力,高溫引起的濾料變質(zhì)和化學物質(zhì)的腐蝕,當粉塵的磨削力很強時,布袋底部磨損嚴重,系統(tǒng)容量的增加引起過濾速度也能加速磨損。除塵器不能使用破損的布袋進行工作,否則會加速除塵器的報廢。當個別布袋發(fā)生小面積破損時,可以用舊的布袋或同樣材料新濾布將破洞補上使用,補洞方法是使用有機硅橡膠混合料進行粘接,只要粘接劑的使用溫度、化學性能與工藝狀況相適應便可。
CV1500-3-S-B-G2-RT-V6 CV1500-5-S-B-G2-RT-V6 CV1500-10-S-B-G2-RT-V6 CV1500-15-S-B-G2-RT-V6 CV1500-20-S-B-G2-RT-V6 CV1500-25-S-B-G2-RT-V6 CV1500-30-S-B-G2-RT-V6 CV1500-40-S-B-G2-RT-V6 CV1500-45-S-B-G2-RT-V6 CV1500-50-S-B-G2-RT-V6 CV1500-60-S-B-G2-RT-V6 CV1500-70-S-B-G2-RT-V6 CV1500-80-S-B-G2-RT-V6 CV1500-90-S-B-G2-RT-V6 CV1500-100-S-B-G2-RT-V6 CV1500-120-S-B-G2-RT-V6 CV1500-140-S-B-G2-RT-V6 CV1500-160-S-B-G2-RT-V6 CV1500-180-S-B-G2-RT-V6 CV1500-200-S-B-G2-RT-V6 CV2200-3-S-B-G2-RT-V6 CV2200-5-S-B-G2-RT-V6 CV2200-10-S-B-G2-RT-V6 CV2200-15-S-B-G2-RT-V6 CV2200-20-S-B-G2-RT-V6 CV2200-25-S-B-G2-RT-V6 CV2200-30-S-B-G2-RT-V6 CV2200-40-S-B-G2-RT-V6 CV2200-45-S-B-G2-RT-V6 CV2200-50-S-B-G2-RT-V6 CV2200-60-S-B-G2-RT-V6 CV2200-70-S-B-G2-RT-V6 CV2200-80-S-B-G2-RT-V6 CV2200-90-S-B-G2-RT-V6 CV2200-100-S-B-G2-RT-V6 CV2200-120-S-B-G2-RT-V6 CV2200-140-S-B-G2-RT-V6 CV2200-160-S-B-G2-RT-V6 CV2200-180-S-B-G2-RT-V6 CV2200-200-S-B-G2-RT-V6 CV3700-3-S-B-G2-RT-V6 CV3700-5-S-B-G2-RT-V6 CV3700-10-S-B-G2-RT-V6 CV3700-15-S-B-G2-RT-V6 CV3700-20-S-B-G2-RT-V6 CV3700-25-S-B-G2-RT-V6 CV3700-30-S-B-G2-RT-V6 CV3700-40-S-B-G2-RT-V6 CV3700-45-S-B-G2-RT-V6 CV3700-50-S-B-G2-RT-V6 CV3700-60-S-B-G2-RT-V6 CV3700-70-S-B-G2-RT-V6 CV3700-80-S-B-G2-RT-V6 CV3700-90-S-B-G2-RT-V6 CV3700-100-S-B-G2-RT-V6 CV3700-120-S-B-G2-RT-V6 CV3700-140-S-B-G2-RT-V6 CV3700-160-S-B-G2-RT-V6 CV3700-180-S-B-G2-RT-V6 CV3700-200-S-B-G2-RT-V6 CV100-3-S-G2-RD-V3 CV100-5-S-G2-RD-V3 CV100-10-S-G2-RD-V3 CV100-15-S-G2-RD-V3 CV100-20-S-G2-RD-V3 CV100-25-S-G2-RD-V3 CV100-30-S-G2-RD-V3 CV100-40-S-G2-RD-V3 CV100-45-S-G2-RD-V3 CV100-50-S-G2-RD-V3 CV100-60-S-G2-RD-V3 CV100-70-S-G2-RD-V3 CV100-80-S-G2-RD-V3 CV100-90-S-G2-RD-V3 CV100-100-S-G2-RD-V3 CV100-120-S-G2-RD-V3 CV100-140-S-G2-RD-V3 CV100-160-S-G2-RD-V3 CV100-180-S-G2-RD-V3 CV100-200-S-G2-RD-V3
新聞:臨江市V-CUT機專用步進電機K266-02M型錄
三濾的更換周期(柴濾、機濾、空濾、水濾)濾器是起到對柴油、機油或水過濾作用的,以防雜質(zhì)進入機體內(nèi),而在柴油中油污、雜質(zhì)也是不可避免的存在,所以在機組運行過程中,過濾器就起到了重要作用,但同時這些油污或雜質(zhì)也就被沉積在濾網(wǎng)壁上而使濾器過濾能力下降,沉積過多,油路將無法暢通,這樣油機帶載運行時將會因油無法供給而休克(如同人缺氧),所以正常發(fā)電機組在使用過程中,我們建議:第常用機組每5小時更換三濾;第備用機組每二年更換三濾。
新聞:臨江市V-CUT機專用步進電機K266-02M型錄
CV100-3-S-G2-RT-V3 CV100-5-S-G2-RT-V3 CV100-10-S-G2-RT-V3 CV100-15-S-G2-RT-V3 CV100-20-S-G2-RT-V3 CV100-25-S-G2-RT-V3 CV100-30-S-G2-RT-V3 CV100-40-S-G2-RT-V3 CV100-45-S-G2-RT-V3 CV100-50-S-G2-RT-V3 CV100-60-S-G2-RT-V3 CV100-70-S-G2-RT-V3 CV100-80-S-G2-RT-V3 CV100-90-S-G2-RT-V3 CV100-100-S-G2-RT-V3 CV100-120-S-G2-RT-V3 CV100-140-S-G2-RT-V3 CV100-160-S-G2-RT-V3 CV100-180-S-G2-RT-V3 CV100-200-S-G2-RT-V3 CV200-3-S-G2-RT-V3 CV200-5-S-G2-RT-V3 CV200-10-S-G2-RT-V3 CV200-15-S-G2-RT-V3 CV200-20-S-G2-RT-V3 CV200-25-S-G2-RT-V3 CV200-30-S-G2-RT-V3 CV200-40-S-G2-RT-V3 CV200-45-S-G2-RT-V3 CV200-50-S-G2-RT-V3 CV200-60-S-G2-RT-V3 CV200-70-S-G2-RT-V3 CV200-80-S-G2-RT-V3 CV200-90-S-G2-RT-V3 CV200-100-S-G2-RT-V3 CV200-120-S-G2-RT-V3 CV200-140-S-G2-RT-V3 CV200-160-S-G2-RT-V3 CV200-180-S-G2-RT-V3 CV200-200-S-G2-RT-V3 CV400-3-S-G2-RT-V3 CV400-5-S-G2-RT-V3 CV400-10-S-G2-RT-V3 CV400-15-S-G2-RT-V3 CV400-20-S-G2-RT-V3 CV400-25-S-G2-RT-V3 CV400-30-S-G2-RT-V3 CV400-40-S-G2-RT-V3 CV400-45-S-G2-RT-V3 CV400-50-S-G2-RT-V3 CV400-60-S-G2-RT-V3 CV400-70-S-G2-RT-V3 CV400-80-S-G2-RT-V3 CV400-90-S-G2-RT-V3 CV400-100-S-G2-RT-V3 CV400-120-S-G2-RT-V3 CV400-140-S-G2-RT-V3 CV400-160-S-G2-RT-V3 CV400-180-S-G2-RT-V3 CV400-200-S-G2-RT-V3 CV750-3-S-G2-RT-V3 CV750-5-S-G2-RT-V3 CV750-10-S-G2-RT-V3 CV750-15-S-G2-RT-V3 CV750-20-S-G2-RT-V3 CV750-25-S-G2-RT-V3 CV750-30-S-G2-RT-V3 CV750-40-S-G2-RT-V3 CV750-45-S-G2-RT-V3 CV750-50-S-G2-RT-V3 CV750-60-S-G2-RT-V3 CV750-70-S-G2-RT-V3 CV750-80-S-G2-RT-V3 CV750-90-S-G2-RT-V3 CV750-100-S-G2-RT-V3 CV750-120-S-G2-RT-V3 CV750-140-S-G2-RT-V3 CV750-160-S-G2-RT-V3 CV750-180-S-G2-RT-V3 CV750-200-S-G2-RT-V3 CH200-3-S-G1-LD-H9 CH200-5-S-G1-LD-H9 CH200-10-S-G1-LD-H9 CH200-15-S-G1-LD-H9 CH200-20-S-G1-LD-H9 CH200-25-S-G1-LD-H9 CH200-30-S-G1-LD-H9 CH200-40-S-G1-LD-H9 CH200-45-S-G1-LD-H9 CH200-50-S-G1-LD-H9 CH200-60-S-G1-LD-H9 CH200-70-S-G1-LD-H9 CH200-80-S-G1-LD-H9 CH200-90-S-G1-LD-H9 CH200-100-S-G1-LD-H9 CH200-120-S-G1-LD-H9 CH200-140-S-G1-LD-H9 CH200-160-S-G1-LD-H9 CH200-180-S-G1-LD-H9 CH200-200-S-G1-LD-H9 CH400-3-S-G1-LD-H9 CH400-5-S-G1-LD-H9 CH400-10-S-G1-LD-H9 CH400-15-S-G1-LD-H9 CH400-20-S-G1-LD-H9 CH400-25-S-G1-LD-H9 CH400-30-S-G1-LD-H9 CH400-40-S-G1-LD-H9 CH400-45-S-G1-LD-H9 CH400-50-S-G1-LD-H9 CH400-60-S-G1-LD-H9 CH400-70-S-G1-LD-H9 CH400-80-S-G1-LD-H9 CH400-90-S-G1-LD-H9 CH400-100-S-G1-LD-H9 CH400-120-S-G1-LD-H9 CH400-140-S-G1-LD-H9 CH400-160-S-G1-LD-H9 CH400-180-S-G1-LD-H9 CH400-200-S-G1-LD-H9 CH750-3-S-G1-LD-H9 CH750-5-S-G1-LD-H9 CH750-10-S-G1-LD-H9 CH750-15-S-G1-LD-H9 CH750-20-S-G1-LD-H9 CH750-25-S-G1-LD-H9 CH750-30-S-G1-LD-H9 CH750-40-S-G1-LD-H9 CH750-45-S-G1-LD-H9 CH750-50-S-G1-LD-H9 CH750-60-S-G1-LD-H9 CH750-70-S-G1-LD-H9 CH750-80-S-G1-LD-H9 CH750-90-S-G1-LD-H9 CH750-100-S-G1-LD-H9 CH750-120-S-G1-LD-H9 CH750-140-S-G1-LD-H9 CH750-160-S-G1-LD-H9 CH750-180-S-G1-LD-H9 CH750-200-S-G1-LD-H9 CH1500-3-S-G1-LD-H9 CH1500-5-S-G1-LD-H9 CH1500-10-S-G1-LD-H9 CH1500-15-S-G1-LD-H9 CH1500-20-S-G1-LD-H9 CH1500-25-S-G1-LD-H9 CH1500-30-S-G1-LD-H9 CH1500-40-S-G1-LD-H9 CH1500-45-S-G1-LD-H9 CH1500-50-S-G1-LD-H9 CH1500-60-S-G1-LD-H9 CH1500-70-S-G1-LD-H9 CH1500-80-S-G1-LD-H9 CH1500-90-S-G1-LD-H9 CH1500-100-S-G1-LD-H9 CH1500-120-S-G1-LD-H9 CH1500-140-S-G1-LD-H9 CH1500-160-S-G1-LD-H9 CH1500-180-S-G1-LD-H9 CH1500-200-S-G1-LD-H9
1.什么是步進電機?
步進電機是一種將電脈沖轉(zhuǎn)化為角位移的執(zhí)行機構(gòu)。通俗一點講:當步進驅(qū)動器接收到一個脈沖信號,它就驅(qū)動步進電機按設定的方向轉(zhuǎn)動一個固定的角度(及步進角)。您可以通過控制脈沖個數(shù)來控制角位移量,從而達到準確定位的目的;同時您可以通過控制脈沖頻率來控制電機轉(zhuǎn)動的速度和加速度,從而達到調(diào)速的目的。
2.步進電機分哪幾種?
步進電機分三種:永磁式(PM),反應式(VR)和混合式(HB)
永磁式步進一般為兩相,轉(zhuǎn)矩和體積較小,步進角一般為7.5度或15度;反應式步進一般為三相,可實現(xiàn)大轉(zhuǎn)矩輸出,步進角一般為1.5度,但噪聲和振動都很大。在歐美等發(fā)達80年代已被淘汰;混合式步進是指混合了永磁式和反應式的優(yōu)點。它又分為兩相和五相:兩相步進角一般為1.8度而五相步進角一般為0.72度。這種步進電機的應用為廣泛。
3.什么是保持轉(zhuǎn)矩(HOLDING TORQUE)?
保持轉(zhuǎn)矩(HOLDING TORQUE)是指步進電機通電但沒有轉(zhuǎn)動時,定子鎖住轉(zhuǎn)子的力矩。它是步進電機重要的參數(shù)之一,通常步進電機在低速時的力矩接近保持轉(zhuǎn)矩。由于步進電機的輸出力矩隨速度的增大而不斷衰減,輸出功率也隨速度的增大而變化,所以保持轉(zhuǎn)矩就成為了衡量步進電機重要的參數(shù)之一。比如,當人們說2N.m的步進電機,在沒有特殊說明的情況下是指保持轉(zhuǎn)矩為2N.m的步進電機。
4.什么是DETENT TORQUE?
DETENT TORQUE是指步進電機沒有通電的情況下,定子鎖住轉(zhuǎn)子的力矩。DETENT TORQUE在國內(nèi)沒有統(tǒng)一的翻譯方式,容易使大家產(chǎn)生誤解;由于反應式步進電機的轉(zhuǎn)子不是永磁材料,所以它沒有DETENT TORQUE。
5.步進電機精度為多少?是否累積?
一般步進電機的精度為步進角的3-5%,且不累積。
6.步進電機的外表溫度允許達到多少?
步進電機溫度過高首先會使電機的磁性材料退磁,從而導致力矩下降乃至于失步,因此電機外表允許的溫度應取決于不同電機磁性材料的退磁點;一般來講,磁性材料的退磁點都在攝氏130度以上,有的甚至高達攝氏200度以上,所以步進電機外表溫度在攝氏80-90度完全正常。
7.為什么步進電機的力矩會隨轉(zhuǎn)速的升高而下降?
新聞:臨江市V-CUT機專用步進電機K266-02M型錄由廈門伊詩圖電氣有限公司新品上市新聞:臨江市V-CUT機專用步進電機K266-02M型錄上述因素的影響也因塑料材料的不同,或者其它成型條件如溫度、濕度、繼續(xù)結(jié)晶化、成型后的注塑機的變化而不同。由于注塑過程是把塑料從固態(tài)(粉料或粒料)向液態(tài)(熔體)又向固態(tài)(制品)轉(zhuǎn)變的過程。從粒料到熔體,再由熔體到制品,中間要經(jīng)過溫度場、流場以及密度場等的作用。在這些場的共同作用下,不同的塑料(熱固性或熱塑性、結(jié)晶性或非結(jié)晶性、增強型或非增強型等)具有不同的聚合物結(jié)構(gòu)形態(tài)和流變性能。凡是影響到上述因素必將會影響到塑料制品的物理力學性能、尺寸、形狀、精度與外觀質(zhì)量。
一般情況下,除塵布袋是逐漸磨損的,引起磨損的主要原因是粉塵的磨削力,高溫引起的濾料變質(zhì)和化學物質(zhì)的腐蝕,當粉塵的磨削力很強時,布袋底部磨損嚴重,系統(tǒng)容量的增加引起過濾速度也能加速磨損。除塵器不能使用破損的布袋進行工作,否則會加速除塵器的報廢。當個別布袋發(fā)生小面積破損時,可以用舊的布袋或同樣材料新濾布將破洞補上使用,補洞方法是使用有機硅橡膠混合料進行粘接,只要粘接劑的使用溫度、化學性能與工藝狀況相適應便可。
CV1500-3-S-B-G2-RT-V6 CV1500-5-S-B-G2-RT-V6 CV1500-10-S-B-G2-RT-V6 CV1500-15-S-B-G2-RT-V6 CV1500-20-S-B-G2-RT-V6 CV1500-25-S-B-G2-RT-V6 CV1500-30-S-B-G2-RT-V6 CV1500-40-S-B-G2-RT-V6 CV1500-45-S-B-G2-RT-V6 CV1500-50-S-B-G2-RT-V6 CV1500-60-S-B-G2-RT-V6 CV1500-70-S-B-G2-RT-V6 CV1500-80-S-B-G2-RT-V6 CV1500-90-S-B-G2-RT-V6 CV1500-100-S-B-G2-RT-V6 CV1500-120-S-B-G2-RT-V6 CV1500-140-S-B-G2-RT-V6 CV1500-160-S-B-G2-RT-V6 CV1500-180-S-B-G2-RT-V6 CV1500-200-S-B-G2-RT-V6 CV2200-3-S-B-G2-RT-V6 CV2200-5-S-B-G2-RT-V6 CV2200-10-S-B-G2-RT-V6 CV2200-15-S-B-G2-RT-V6 CV2200-20-S-B-G2-RT-V6 CV2200-25-S-B-G2-RT-V6 CV2200-30-S-B-G2-RT-V6 CV2200-40-S-B-G2-RT-V6 CV2200-45-S-B-G2-RT-V6 CV2200-50-S-B-G2-RT-V6 CV2200-60-S-B-G2-RT-V6 CV2200-70-S-B-G2-RT-V6 CV2200-80-S-B-G2-RT-V6 CV2200-90-S-B-G2-RT-V6 CV2200-100-S-B-G2-RT-V6 CV2200-120-S-B-G2-RT-V6 CV2200-140-S-B-G2-RT-V6 CV2200-160-S-B-G2-RT-V6 CV2200-180-S-B-G2-RT-V6 CV2200-200-S-B-G2-RT-V6 CV3700-3-S-B-G2-RT-V6 CV3700-5-S-B-G2-RT-V6 CV3700-10-S-B-G2-RT-V6 CV3700-15-S-B-G2-RT-V6 CV3700-20-S-B-G2-RT-V6 CV3700-25-S-B-G2-RT-V6 CV3700-30-S-B-G2-RT-V6 CV3700-40-S-B-G2-RT-V6 CV3700-45-S-B-G2-RT-V6 CV3700-50-S-B-G2-RT-V6 CV3700-60-S-B-G2-RT-V6 CV3700-70-S-B-G2-RT-V6 CV3700-80-S-B-G2-RT-V6 CV3700-90-S-B-G2-RT-V6 CV3700-100-S-B-G2-RT-V6 CV3700-120-S-B-G2-RT-V6 CV3700-140-S-B-G2-RT-V6 CV3700-160-S-B-G2-RT-V6 CV3700-180-S-B-G2-RT-V6 CV3700-200-S-B-G2-RT-V6 CV100-3-S-G2-RD-V3 CV100-5-S-G2-RD-V3 CV100-10-S-G2-RD-V3 CV100-15-S-G2-RD-V3 CV100-20-S-G2-RD-V3 CV100-25-S-G2-RD-V3 CV100-30-S-G2-RD-V3 CV100-40-S-G2-RD-V3 CV100-45-S-G2-RD-V3 CV100-50-S-G2-RD-V3 CV100-60-S-G2-RD-V3 CV100-70-S-G2-RD-V3 CV100-80-S-G2-RD-V3 CV100-90-S-G2-RD-V3 CV100-100-S-G2-RD-V3 CV100-120-S-G2-RD-V3 CV100-140-S-G2-RD-V3 CV100-160-S-G2-RD-V3 CV100-180-S-G2-RD-V3 CV100-200-S-G2-RD-V3
新聞:臨江市V-CUT機專用步進電機K266-02M型錄
三濾的更換周期(柴濾、機濾、空濾、水濾)濾器是起到對柴油、機油或水過濾作用的,以防雜質(zhì)進入機體內(nèi),而在柴油中油污、雜質(zhì)也是不可避免的存在,所以在機組運行過程中,過濾器就起到了重要作用,但同時這些油污或雜質(zhì)也就被沉積在濾網(wǎng)壁上而使濾器過濾能力下降,沉積過多,油路將無法暢通,這樣油機帶載運行時將會因油無法供給而休克(如同人缺氧),所以正常發(fā)電機組在使用過程中,我們建議:第常用機組每5小時更換三濾;第備用機組每二年更換三濾。
新聞:臨江市V-CUT機專用步進電機K266-02M型錄
CV100-3-S-G2-RT-V3 CV100-5-S-G2-RT-V3 CV100-10-S-G2-RT-V3 CV100-15-S-G2-RT-V3 CV100-20-S-G2-RT-V3 CV100-25-S-G2-RT-V3 CV100-30-S-G2-RT-V3 CV100-40-S-G2-RT-V3 CV100-45-S-G2-RT-V3 CV100-50-S-G2-RT-V3 CV100-60-S-G2-RT-V3 CV100-70-S-G2-RT-V3 CV100-80-S-G2-RT-V3 CV100-90-S-G2-RT-V3 CV100-100-S-G2-RT-V3 CV100-120-S-G2-RT-V3 CV100-140-S-G2-RT-V3 CV100-160-S-G2-RT-V3 CV100-180-S-G2-RT-V3 CV100-200-S-G2-RT-V3 CV200-3-S-G2-RT-V3 CV200-5-S-G2-RT-V3 CV200-10-S-G2-RT-V3 CV200-15-S-G2-RT-V3 CV200-20-S-G2-RT-V3 CV200-25-S-G2-RT-V3 CV200-30-S-G2-RT-V3 CV200-40-S-G2-RT-V3 CV200-45-S-G2-RT-V3 CV200-50-S-G2-RT-V3 CV200-60-S-G2-RT-V3 CV200-70-S-G2-RT-V3 CV200-80-S-G2-RT-V3 CV200-90-S-G2-RT-V3 CV200-100-S-G2-RT-V3 CV200-120-S-G2-RT-V3 CV200-140-S-G2-RT-V3 CV200-160-S-G2-RT-V3 CV200-180-S-G2-RT-V3 CV200-200-S-G2-RT-V3 CV400-3-S-G2-RT-V3 CV400-5-S-G2-RT-V3 CV400-10-S-G2-RT-V3 CV400-15-S-G2-RT-V3 CV400-20-S-G2-RT-V3 CV400-25-S-G2-RT-V3 CV400-30-S-G2-RT-V3 CV400-40-S-G2-RT-V3 CV400-45-S-G2-RT-V3 CV400-50-S-G2-RT-V3 CV400-60-S-G2-RT-V3 CV400-70-S-G2-RT-V3 CV400-80-S-G2-RT-V3 CV400-90-S-G2-RT-V3 CV400-100-S-G2-RT-V3 CV400-120-S-G2-RT-V3 CV400-140-S-G2-RT-V3 CV400-160-S-G2-RT-V3 CV400-180-S-G2-RT-V3 CV400-200-S-G2-RT-V3 CV750-3-S-G2-RT-V3 CV750-5-S-G2-RT-V3 CV750-10-S-G2-RT-V3 CV750-15-S-G2-RT-V3 CV750-20-S-G2-RT-V3 CV750-25-S-G2-RT-V3 CV750-30-S-G2-RT-V3 CV750-40-S-G2-RT-V3 CV750-45-S-G2-RT-V3 CV750-50-S-G2-RT-V3 CV750-60-S-G2-RT-V3 CV750-70-S-G2-RT-V3 CV750-80-S-G2-RT-V3 CV750-90-S-G2-RT-V3 CV750-100-S-G2-RT-V3 CV750-120-S-G2-RT-V3 CV750-140-S-G2-RT-V3 CV750-160-S-G2-RT-V3 CV750-180-S-G2-RT-V3 CV750-200-S-G2-RT-V3 CH200-3-S-G1-LD-H9 CH200-5-S-G1-LD-H9 CH200-10-S-G1-LD-H9 CH200-15-S-G1-LD-H9 CH200-20-S-G1-LD-H9 CH200-25-S-G1-LD-H9 CH200-30-S-G1-LD-H9 CH200-40-S-G1-LD-H9 CH200-45-S-G1-LD-H9 CH200-50-S-G1-LD-H9 CH200-60-S-G1-LD-H9 CH200-70-S-G1-LD-H9 CH200-80-S-G1-LD-H9 CH200-90-S-G1-LD-H9 CH200-100-S-G1-LD-H9 CH200-120-S-G1-LD-H9 CH200-140-S-G1-LD-H9 CH200-160-S-G1-LD-H9 CH200-180-S-G1-LD-H9 CH200-200-S-G1-LD-H9 CH400-3-S-G1-LD-H9 CH400-5-S-G1-LD-H9 CH400-10-S-G1-LD-H9 CH400-15-S-G1-LD-H9 CH400-20-S-G1-LD-H9 CH400-25-S-G1-LD-H9 CH400-30-S-G1-LD-H9 CH400-40-S-G1-LD-H9 CH400-45-S-G1-LD-H9 CH400-50-S-G1-LD-H9 CH400-60-S-G1-LD-H9 CH400-70-S-G1-LD-H9 CH400-80-S-G1-LD-H9 CH400-90-S-G1-LD-H9 CH400-100-S-G1-LD-H9 CH400-120-S-G1-LD-H9 CH400-140-S-G1-LD-H9 CH400-160-S-G1-LD-H9 CH400-180-S-G1-LD-H9 CH400-200-S-G1-LD-H9 CH750-3-S-G1-LD-H9 CH750-5-S-G1-LD-H9 CH750-10-S-G1-LD-H9 CH750-15-S-G1-LD-H9 CH750-20-S-G1-LD-H9 CH750-25-S-G1-LD-H9 CH750-30-S-G1-LD-H9 CH750-40-S-G1-LD-H9 CH750-45-S-G1-LD-H9 CH750-50-S-G1-LD-H9 CH750-60-S-G1-LD-H9 CH750-70-S-G1-LD-H9 CH750-80-S-G1-LD-H9 CH750-90-S-G1-LD-H9 CH750-100-S-G1-LD-H9 CH750-120-S-G1-LD-H9 CH750-140-S-G1-LD-H9 CH750-160-S-G1-LD-H9 CH750-180-S-G1-LD-H9 CH750-200-S-G1-LD-H9 CH1500-3-S-G1-LD-H9 CH1500-5-S-G1-LD-H9 CH1500-10-S-G1-LD-H9 CH1500-15-S-G1-LD-H9 CH1500-20-S-G1-LD-H9 CH1500-25-S-G1-LD-H9 CH1500-30-S-G1-LD-H9 CH1500-40-S-G1-LD-H9 CH1500-45-S-G1-LD-H9 CH1500-50-S-G1-LD-H9 CH1500-60-S-G1-LD-H9 CH1500-70-S-G1-LD-H9 CH1500-80-S-G1-LD-H9 CH1500-90-S-G1-LD-H9 CH1500-100-S-G1-LD-H9 CH1500-120-S-G1-LD-H9 CH1500-140-S-G1-LD-H9 CH1500-160-S-G1-LD-H9 CH1500-180-S-G1-LD-H9 CH1500-200-S-G1-LD-H9
1.什么是步進電機?
步進電機是一種將電脈沖轉(zhuǎn)化為角位移的執(zhí)行機構(gòu)。通俗一點講:當步進驅(qū)動器接收到一個脈沖信號,它就驅(qū)動步進電機按設定的方向轉(zhuǎn)動一個固定的角度(及步進角)。您可以通過控制脈沖個數(shù)來控制角位移量,從而達到準確定位的目的;同時您可以通過控制脈沖頻率來控制電機轉(zhuǎn)動的速度和加速度,從而達到調(diào)速的目的。
2.步進電機分哪幾種?
步進電機分三種:永磁式(PM),反應式(VR)和混合式(HB)
永磁式步進一般為兩相,轉(zhuǎn)矩和體積較小,步進角一般為7.5度或15度;反應式步進一般為三相,可實現(xiàn)大轉(zhuǎn)矩輸出,步進角一般為1.5度,但噪聲和振動都很大。在歐美等發(fā)達80年代已被淘汰;混合式步進是指混合了永磁式和反應式的優(yōu)點。它又分為兩相和五相:兩相步進角一般為1.8度而五相步進角一般為0.72度。這種步進電機的應用為廣泛。
3.什么是保持轉(zhuǎn)矩(HOLDING TORQUE)?
保持轉(zhuǎn)矩(HOLDING TORQUE)是指步進電機通電但沒有轉(zhuǎn)動時,定子鎖住轉(zhuǎn)子的力矩。它是步進電機重要的參數(shù)之一,通常步進電機在低速時的力矩接近保持轉(zhuǎn)矩。由于步進電機的輸出力矩隨速度的增大而不斷衰減,輸出功率也隨速度的增大而變化,所以保持轉(zhuǎn)矩就成為了衡量步進電機重要的參數(shù)之一。比如,當人們說2N.m的步進電機,在沒有特殊說明的情況下是指保持轉(zhuǎn)矩為2N.m的步進電機。
4.什么是DETENT TORQUE?
DETENT TORQUE是指步進電機沒有通電的情況下,定子鎖住轉(zhuǎn)子的力矩。DETENT TORQUE在國內(nèi)沒有統(tǒng)一的翻譯方式,容易使大家產(chǎn)生誤解;由于反應式步進電機的轉(zhuǎn)子不是永磁材料,所以它沒有DETENT TORQUE。
5.步進電機精度為多少?是否累積?
一般步進電機的精度為步進角的3-5%,且不累積。
6.步進電機的外表溫度允許達到多少?
步進電機溫度過高首先會使電機的磁性材料退磁,從而導致力矩下降乃至于失步,因此電機外表允許的溫度應取決于不同電機磁性材料的退磁點;一般來講,磁性材料的退磁點都在攝氏130度以上,有的甚至高達攝氏200度以上,所以步進電機外表溫度在攝氏80-90度完全正常。
7.為什么步進電機的力矩會隨轉(zhuǎn)速的升高而下降?
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