PK544AWM
PK544-B
PK544AWM
PK544-B
銷(xiāo)售熱線: 180-6090-9625/0592-6013512
聯(lián)系人：蘭工
QQ: 869740621
星減速機(jī)以其體積小，傳動(dòng)效率高，減速范圍寬，精度高，而被廣泛應(yīng)用于伺服、步進(jìn)、直流等傳動(dòng)系統(tǒng)中。在保證精密傳動(dòng)的前提下，主要被用來(lái)降低轉(zhuǎn)速增大扭矩和降低負(fù)載/電機(jī)的轉(zhuǎn)動(dòng)慣量比。
衡量行減速機(jī)性能的幾個(gè)關(guān)鍵技術(shù)參數(shù)是：減速比，平均壽命，額定輸出扭矩，回程間隙，滿載效率，噪音，橫向/徑向受力和工作溫度。 減 速 比：
輸出轉(zhuǎn)速與輸入轉(zhuǎn)速的比值。
級(jí)數(shù)：太陽(yáng)輪及其周?chē)男行禽啒?gòu)成獨(dú)立的減速輪系，如減速機(jī)內(nèi)只此一個(gè)輪系，我們稱(chēng)為“一級(jí)”。為得到較大減速比，需多級(jí)傳動(dòng)， NEUGART公司減速機(jī)分三級(jí)，減速比從3到512。 平均壽命： 指減速機(jī)在額定負(fù)載下，最高輸入轉(zhuǎn)速時(shí)的連續(xù)工作時(shí)間。
額定輸出扭矩： 指在額定負(fù)載下長(zhǎng)期工作時(shí)允許輸出扭矩。最大輸出扭矩是該值的兩倍。 回程間隙： 將輸出端固定，輸入端順時(shí)針和逆時(shí)針?lè)较蛐D(zhuǎn)，使輸出端產(chǎn)生額定扭矩的±2%扭矩時(shí)，減速機(jī)輸入端有一個(gè)微小的角位移，此角位移即為回程間隙。單位是“弧分”。
潤(rùn)滑方式：行星減速機(jī)在整個(gè)使用期間無(wú)需潤(rùn)滑。 滿載效率： 指在最大負(fù)載情況下，減速機(jī)的傳輸效率。它是衡量減速機(jī)的一關(guān)鍵指標(biāo), 滿載效率高的減速機(jī)發(fā)熱少，整體性能好。
噪音：?jiǎn)挝皇欠重悾╠B）A。此數(shù)值是在輸入轉(zhuǎn)速為3000轉(zhuǎn)/分鐘時(shí)，不帶負(fù)載，距離減速機(jī)一米距離時(shí)測(cè)量的。
工作溫度：是指減速機(jī)在連續(xù)工作和周期工作狀態(tài)下，所能允許的溫度。目前，軍用系列的減速機(jī)能在-50~+100度環(huán)境下工作。 如何選擇合適的行星減速機(jī)
在選擇行星減速機(jī)時(shí)，首先要明確減速比。 確定減速比后，請(qǐng)將您選用的伺服電機(jī)額定扭矩乘上減速比，得到的數(shù)值原則上要小于產(chǎn)品樣本提供的相近減速機(jī)的額定輸出扭矩，同時(shí)還要考慮其驅(qū)動(dòng)電機(jī)的過(guò)載能力及實(shí)際中所需最大工作扭矩。所需最大工作扭矩要小于額定輸出扭矩的2倍。 滿足上面條件后請(qǐng)選擇體積最小的減速機(jī)，體積小的減速機(jī)成本相對(duì)低一些。如果您的空間不夠電機(jī)減速機(jī)直線連接，您還可以選擇拐角型減速機(jī)，它可以使扭矩轉(zhuǎn)90度。
接下來(lái)要考慮行星減速機(jī)的回程間隙。回程間隙越小其精度越高，成本也越高。用戶要選擇滿足其精度要求系列的減速機(jī)就可以。回程間隙指標(biāo)是以同型號(hào)批量生產(chǎn)中回程間隙最大的一臺(tái)做標(biāo)準(zhǔn)，而實(shí)際中98%以上的行星減速機(jī)實(shí)際回程間隙小于給定指標(biāo)的50%。
還要考慮橫向/徑向受力和平均壽命。橫向/徑向受力大的減速機(jī)在安裝和使用中可靠性高，不易出問(wèn)題。而實(shí)際壽命可按廠家給出的軟件來(lái)計(jì)算。通常其平均壽命遠(yuǎn)超過(guò)所配伺服電機(jī)的壽命。
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