新聞:港閘區(qū)39步進(jìn)電機(jī)57ST12-30原裝
22， 何為負(fù)載率 (duty cycle)?
負(fù)載率 (duty cycle) 是指電機(jī)在每個(gè)工作周期內(nèi)的工作時(shí)間 / （工作時(shí)間 + 非工作時(shí)間）的比率。如果負(fù)載率低，就允許電機(jī)以 3 倍連續(xù)電流短時(shí)間運(yùn)行，從而比額定連續(xù)運(yùn)行時(shí)產(chǎn)生更大的力量。
23 ，標(biāo)準(zhǔn)旋轉(zhuǎn)電機(jī)的驅(qū)動(dòng)電路可以用于直線電機(jī)嗎？
一般都是可以的。你可以把直線電機(jī)就當(dāng)作旋轉(zhuǎn)電機(jī)，如直線步進(jìn)電機(jī)、有刷、無(wú)刷和交流直線電機(jī)。具體請(qǐng)向供應(yīng)商咨詢(xún)。
24 ，直線電機(jī)是否可以垂直安裝，做上下運(yùn)動(dòng)？
可以。根據(jù)用戶的要求，垂直安裝時(shí)我們可以加裝動(dòng)子滑塊平衡裝置或加裝導(dǎo)軌抱閘剎車(chē)。
25 ，在同一個(gè)平臺(tái)上可以安裝多個(gè)動(dòng)子嗎？
可以。只要幾個(gè)動(dòng)子之間不互相妨礙即可。
新聞:港閘區(qū)39步進(jìn)電機(jī)57ST12-30原裝
CH2200-3-S-B-G4-DL-H6
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主要原因包括：未及時(shí)加注潤(rùn)滑劑或潤(rùn)滑油；潤(rùn)滑劑或潤(rùn)滑油未加注到位；潤(rùn)滑劑或潤(rùn)滑油選型不當(dāng)；潤(rùn)滑方式不正確等等。建議：選擇正確的潤(rùn)滑劑或潤(rùn)滑油，使用正確的潤(rùn)滑加注方式。污染(約占14%)污染也會(huì)導(dǎo)致推力球軸承過(guò)早損壞，污染是指有沙塵、金屬屑等進(jìn)入KOYO軸承內(nèi)部。主要原因包括：使用前過(guò)早打開(kāi)軸承包裝，造成污染；安裝時(shí)工作環(huán)境不清潔，造成污染；軸承的工作環(huán)境不清潔，工作介質(zhì)污染等。建議：在使用前不要拆開(kāi)KOYO軸承的包裝；安裝時(shí)保持安裝環(huán)境的清潔，對(duì)要使用的軸承進(jìn)行清洗；增強(qiáng)推力球軸承的密封裝置。
新聞:港閘區(qū)39步進(jìn)電機(jī)57ST12-30原裝
異步型交流伺服電動(dòng)機(jī)
異步型交流伺服電機(jī)指的是交流感應(yīng)電動(dòng)機(jī)。它有三相和單相之分，也有鼠籠式和線繞式，通常多用鼠籠式三相感應(yīng)電動(dòng)機(jī)。其結(jié)構(gòu)簡(jiǎn)單，與同容量的直流電動(dòng)機(jī)相比，質(zhì)量輕1/2，價(jià)格僅為直流電動(dòng)機(jī)的1/3。缺點(diǎn)是不能經(jīng)濟(jì)地實(shí)現(xiàn)范圍很廣的平滑調(diào)速，必須從電網(wǎng)吸收滯后的勵(lì)磁電流。因而令電網(wǎng)功率因數(shù)變壞。這種鼠籠轉(zhuǎn)子的異步型交流伺服電動(dòng)機(jī)簡(jiǎn)稱(chēng)為異步型交流伺服電動(dòng)機(jī)，用IM表示。
新聞:港閘區(qū)39步進(jìn)電機(jī)57ST12-30原裝
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