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中海德（福建）工業(yè)設(shè)備有限公司
主營(yíng)產(chǎn)品： DCS系統(tǒng)模塊、伺服電機(jī)驅(qū)動(dòng)器、PLC、機(jī)器人備件 |
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中海德（福建）工業(yè)設(shè)備有限公司
主營(yíng)產(chǎn)品： DCS系統(tǒng)模塊、伺服電機(jī)驅(qū)動(dòng)器、PLC、機(jī)器人備件 |
| 參考價(jià) | 面議 |
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更新時(shí)間：2015-06-11 17:27:48瀏覽次數(shù)：700
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lf-06480 電阻
lf-06480 電阻
lf-06480 電阻
中海德（福建）工業(yè)設(shè)備有限公司
DCS、PLC系統(tǒng)模塊備件FOXOBORO(?？怂共_) I/A：AW51B,P0400YC FBM02,P0400YV FBM18,P0400ZE FBM04,P0914WM FBM241C,FBM217 P0914TR,FBM242 P0916TA,CP40B P0961BC,FBM44 P0950BN等。
TRICONEX系列 3503E 3805E 3604E等
Westinghouse(西屋)：OVATION系統(tǒng)、WDPF系統(tǒng)、WEStation系統(tǒng)備件。
ALSOM MOTOROLA MVME系列：MVME 162、MVME 167、MVME1772、MVME177等系列。
HP（惠普）:工作站、服務(wù)器、HP 9000 工作站、HP 75000 系列備件、HP VXI 測(cè)試設(shè)備。
日本安川伺服電機(jī)與步進(jìn)電機(jī)的比較
安川伺服在自動(dòng)控制系統(tǒng)中，用作執(zhí)行元件，且具有機(jī)電時(shí)間常數(shù)小、線性度高、始動(dòng)電壓等特性，可把所收到的電信號(hào)轉(zhuǎn)換成電動(dòng)機(jī)軸上的角位移或角速度輸出。分為直流和交流伺服電動(dòng)機(jī)兩大類，其主要特點(diǎn)是，當(dāng)信號(hào)電壓為零時(shí)無自轉(zhuǎn)現(xiàn)象，轉(zhuǎn)速隨著轉(zhuǎn)矩的增加而勻速下降。日本安川伺服電機(jī)內(nèi)部的轉(zhuǎn)子是永磁鐵，驅(qū)動(dòng)器控制的U/V/W三相電形成電磁場(chǎng)，轉(zhuǎn)子在此磁場(chǎng)的作用下轉(zhuǎn)動(dòng)，同時(shí)電機(jī)自帶的編碼器反饋信號(hào)給驅(qū)動(dòng)器，驅(qū)動(dòng)器根據(jù)反饋值與目標(biāo)值進(jìn)行比較，調(diào)整轉(zhuǎn)子轉(zhuǎn)動(dòng)的角度。伺服電機(jī)的精度決定于編碼器的精度。交流伺服電機(jī)和無刷直流伺服電機(jī)在功能上的區(qū)別：交流伺服要好一些，因?yàn)槭钦也刂疲D(zhuǎn)矩脈動(dòng)小。直流伺服是梯形波。但直流伺服比較簡(jiǎn)單，便宜。
安川電機(jī)安川伺服電機(jī)，又稱YASKAWA安川伺服馬達(dá)，原產(chǎn)地日本，在中國(guó)沈陽、上海嘉定也設(shè)有工廠，是使物體的位置、方位、狀態(tài)等輸出被控量，能夠跟隨輸入目標(biāo)值（或給定值）的任意變化的自動(dòng)控制系統(tǒng)。它分為交流伺服馬達(dá)和直流伺服馬達(dá)，在國(guó)內(nèi)的半導(dǎo)體、液晶制造裝置、電子部件封裝裝置、機(jī)床及一般機(jī)械中得到廣泛應(yīng)用。
【日本安川伺服電機(jī)與步進(jìn)電機(jī)的比較】
首先我們來看一下伺服電機(jī)和其他電機(jī)（如步進(jìn)電機(jī)）相比到底有什么優(yōu)點(diǎn)：
1、精度：實(shí)現(xiàn)了位置，速度和力矩的閉環(huán)控制；克服了步進(jìn)電機(jī)失步的問題；
2、轉(zhuǎn)速：高速性能好，一般額定轉(zhuǎn)速能達(dá)到2000～3000轉(zhuǎn)；
3、適應(yīng)性：抗過載能力強(qiáng)，能承受三倍于額定轉(zhuǎn)矩的負(fù)載，對(duì)有瞬間負(fù)載波動(dòng)和要求快速起動(dòng)的場(chǎng)合特別適用；
4、穩(wěn)定：低速運(yùn)行平穩(wěn)，低速運(yùn)行時(shí)不會(huì)產(chǎn)生類似于步進(jìn)電機(jī)的步進(jìn)運(yùn)行現(xiàn)象。適用于有高速響應(yīng)要求的場(chǎng)合；
5、及時(shí)性：電機(jī)加減速的動(dòng)態(tài)相應(yīng)時(shí)間短，一般在幾十毫秒之內(nèi)；
6、舒適性：發(fā)熱和噪音明顯降低。
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JEPMC-MC001
