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DG130R-ARMA-3

主要產(chǎn)品：日本東方馬達(dá)，韓國(guó)DKM減速電機(jī)，泰映TROY減速電機(jī)，韓國(guó)SPG小功率

馬達(dá)，CPG晟邦減速電機(jī) ...

銷(xiāo)售熱線: 180-6090-9625/0592-6013512

聯(lián)系人：蘭工

      QQ: 869740621

減速機(jī)技術(shù)資料：

在選擇減速機(jī)的型號(hào)時(shí)應(yīng)注意的幾個(gè)事項(xiàng)：盡量選用接近理想減速比：減速比=伺服馬達(dá)轉(zhuǎn)速/減速機(jī)出力軸轉(zhuǎn)速扭力計(jì)算：對(duì)減速機(jī)的壽命而言，扭力計(jì)算非常重要，并且要注意加速度的最大轉(zhuǎn)矩值（TP），是否超過(guò)減速機(jī)之最大負(fù)載扭力。
適用功率通常為市面上的伺服機(jī)種的適用功率，減速機(jī)的適用性很高，工作系數(shù)都能維持在1.2以上，但在選用上也可以以自己的需要來(lái)決定，要點(diǎn)有二：A.選用伺服電機(jī)的出力軸徑不能大于表格上最大使用軸徑；B.若經(jīng)扭力計(jì)算工作，轉(zhuǎn)速可以滿足平常運(yùn)轉(zhuǎn)，但在伺服全額輸出時(shí)，有不足現(xiàn)象時(shí)，我們可以在電機(jī)側(cè)之驅(qū)動(dòng)器，做限流控制，或在機(jī)械軸上做扭力保護(hù)，這是很必要的。
通用減速機(jī)的選型包括提出原始條件、選擇類(lèi)型、確定規(guī)格等步驟。
相比之下，類(lèi)型選擇比較簡(jiǎn)單，而準(zhǔn)確提供減速器的工況條件，掌握減速器的設(shè)計(jì)、制造和使用特點(diǎn)是通用減速器正確合理選擇規(guī)格的關(guān)鍵。
規(guī)格選擇要滿足強(qiáng)度、熱平衡、軸伸部位承受徑向載荷等條件。
1.按機(jī)械功率或轉(zhuǎn)矩選擇規(guī)格（強(qiáng)度校核）通用減速器和專(zhuān)用減速器設(shè)計(jì)選型方法的最大不同在于，前者適用于各個(gè)行業(yè)，但減速只能按一種特定的工況條件設(shè)計(jì)，故選用時(shí)用戶需根據(jù)各自的要求考慮不同的修正系數(shù)，工廠應(yīng)該按實(shí)際選用的電動(dòng)機(jī)功率（不是減速器的額定功率）打銘牌；后者按用戶的專(zhuān)用條件設(shè)計(jì)，該考慮的系數(shù)，設(shè)計(jì)時(shí)一般已作考慮，選用時(shí)只要滿足使用功率小于等于減速器的額定功率即可，方法相對(duì)簡(jiǎn)單。
通用減速器的額定功率一般是按使用（工況）系數(shù)KA=1（電動(dòng)機(jī)或汽輪機(jī)為原動(dòng)機(jī)，工作機(jī)載荷平穩(wěn)，每天工作3~10h，每小時(shí)啟動(dòng)次數(shù)≤5次，允許啟動(dòng)轉(zhuǎn)矩為工作轉(zhuǎn)矩的2倍），接觸強(qiáng)度安全系數(shù)SH≈1、單對(duì)齒輪的失效概率≈1%，等條件計(jì)算確定的。
所選減速器的額定功率應(yīng)滿足：PC=P2KAKSKR≤PN式中PC———計(jì)算功率（KW）；PN———減速器的額定功率（ KW）；P2———工作機(jī)功率（KW）；KA———使用系數(shù)，考慮使用工況的影響；KS———啟動(dòng)系數(shù)，考慮啟動(dòng)次數(shù)的影響；KR———可靠度系數(shù)，考慮不同可靠度要求。
目前世界各國(guó)所用的使用系數(shù)基本相同。雖然許多樣本上沒(méi)有反映出KS\ KR兩個(gè)系數(shù)，但由于知己（對(duì)自身的工況要求清楚）、知彼（對(duì)減速器的性能特點(diǎn)清楚），國(guó)外選型時(shí)一般均留有較大的富裕量，相當(dāng)于已考慮了KR\ KS的影響。
由于使用場(chǎng)合不同、重要程度不同、損壞后對(duì)人身安全及生產(chǎn)造成的損失大小不同、維修難易不同，因而對(duì)減速器的可靠度的要求也不相同。系數(shù)KR就是實(shí)際需要的可靠度對(duì)原設(shè)計(jì)的可靠度進(jìn)行修正。它符合ISO6336、GB3480和AGMA2001—B88（美國(guó)齒輪制造者協(xié)會(huì)標(biāo)準(zhǔn)）對(duì)齒輪強(qiáng)度計(jì)算方法的規(guī)定。目前，國(guó)內(nèi)一些用戶對(duì)減速器的可靠度尚提不出具體量的要求，可按一般專(zhuān)用減速器的設(shè)計(jì)規(guī)定（SH≥1.25，失效概率≤1/1000），較重要場(chǎng)合取KR=1.25=1.56左右。
2、熱平衡校核通用減速器的許用熱功率值是在特定工況條件下（一般環(huán)境溫度20℃，每小時(shí)100%，連續(xù)運(yùn)轉(zhuǎn)、功率利用率100%），按潤(rùn)滑油允許的最高平衡溫度（一般為85℃）確定的。條件不同時(shí)按相應(yīng)系數(shù)（有時(shí)綜合成一個(gè)系數(shù)）進(jìn)行修正。
所選減速器應(yīng)滿足：PCt=P2KTKWKP≤Pt式中 PCt———計(jì)算熱功率（KW）；母線加工機(jī)KT———環(huán)境溫度系數(shù)；KW———運(yùn)轉(zhuǎn)周期系數(shù)；KP———功率利用率系數(shù)；Pt———減速器許用熱功率（KW）。
3.校核軸伸部位承受的徑向載荷通用減速器常常須對(duì)輸入軸、輸出軸軸伸中間部位允許承受的最大徑向載荷給予限制，應(yīng)予校核，超過(guò)時(shí)應(yīng)向制造廠提出加粗軸徑和加大軸承等要求。

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