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id="2hj88e8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wfczwnz" class="box"><p><p> XT減速器與RV減速器的對(duì)比優(yōu)勢(shì)： </p> <p> 1、XT減速器采用單軸輸入結(jié)構(gòu)簡(jiǎn)單、剛性好。銷孔輸出機(jī)構(gòu)由剛性極強(qiáng)的鳥籠式輸出軸及行星輪上多個(gè)傳力銷組成，其剛度經(jīng)理論計(jì)算和測(cè)試結(jié)果均高于RV減速器； </p> <p> 2、XT減速器采用內(nèi)擺線嚙合比RV減速器的外擺線嚙合承載能力可提高15%—30%； </p> <p> 3、XT減速器關(guān)鍵零件偏心軸的制造難度及成本大為降低； </p> <p> 4、XT減速器的產(chǎn)業(yè)化難度低于仿制RV減速器。批量生產(chǎn)的工藝裝備簡(jiǎn)化，制造難度低降； </p> <p> 5、XT減速器具有調(diào)隙功能，可減小間隙回差。 </p> <p> 此外，江蘇國產(chǎn)RV減速機(jī)，擺線輪修形理論的新研究成果，可提高減速器的傳動(dòng)精度和承載能力。還有一個(gè)精密擺線磨床的創(chuàng)新設(shè)計(jì)方案，精度和效率可優(yōu)于進(jìn)口的精密擺線磨，制造成本可為進(jìn)口的1/4，江蘇國產(chǎn)RV減速機(jī)。以上兩項(xiàng)技術(shù)也可為仿制RV減速器企業(yè)服務(wù)，江蘇國產(chǎn)RV減速機(jī)。小型XT減速器其剛度和精度保持期遠(yuǎn)大于諧波減速器，可取代機(jī)器人使用的諧波減速器。 </p> <p> <br /> 2003年，帝人精機(jī)和納博克合并組成Nabtesco(納博特斯克)公司，并取得快速發(fā)展。江蘇國產(chǎn)RV減速機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇國產(chǎn)RV減速機(jī),RV減速機(jī)" src="https://tyunfile.71360.com/WaterMark/UploadFile/szhm/637326657638164062/2642449.png"></div><p> RV減速機(jī)用于轉(zhuǎn)矩大的機(jī)器人關(guān)節(jié)，大型的幾十到幾百公斤負(fù)載的機(jī)器人，一二三軸都是用RV，相反，諧波可負(fù)載的轉(zhuǎn)矩小。他們都是少齒差嚙合，不同的是諧波里的一種關(guān)鍵齒輪是柔性的，它需要反復(fù)的高速變形，所以它比較脆弱，承載力和壽命都有限。RV減速機(jī)通常是用擺線針輪，諧波以前都是用漸開線齒形，現(xiàn)在有部分廠家使用了雙圓弧齒形，這種齒形比漸開線先進(jìn)很多，日本九幾年就開發(fā)了這種齒形，國內(nèi)諧波雙圓弧齒形這方面的書籍目前沒有，論文有一些。辛洪兵的論文值得一讀。RV減速機(jī)的品牌就是帝人，也叫納博特斯克。諧波就是哈默納科，他們幾乎壟斷了全球的機(jī)器人用減速器。日本的新寶現(xiàn)在也進(jìn)入了諧波領(lǐng)域，國內(nèi)綠的諧波還有點(diǎn)名氣。其他的很多品牌在目前來看還不值一提，也許有潛力的還在醞釀，沒有展現(xiàn)到大家面前。這兩種減速器都是微米級(jí)的加工精度，光這一條在量產(chǎn)階段可靠性高就很難了，更別說幾千轉(zhuǎn)的高速運(yùn)轉(zhuǎn)，而且還要高壽命。江蘇機(jī)械手**RV減速機(jī)輕載工業(yè)機(jī)器人J5-J6關(guān)節(jié)可能使用小載荷的諧波減速機(jī)。一臺(tái)工業(yè)機(jī)器人平均使用，其重要程度可見一斑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇國產(chǎn)RV減速機(jī),RV減速機(jī)" src="https://tyunfile.71360.com/WaterMark/UploadFile/szhm/637326657684199218/4110741.png"></div><p> RV減速機(jī)是在擺線針輪轉(zhuǎn)動(dòng)基礎(chǔ)上發(fā)展起來的一種新型減速機(jī)，與以前的減速機(jī)相比,其優(yōu)越性是非常明顯的:(1)減速比大，體積小，效率高。(2)故障少，壽命長(zhǎng)，耐沖擊和超負(fù)荷。(3)運(yùn)轉(zhuǎn)平穩(wěn),無噪音，性能穩(wěn)定。(4)輸入輸出軸同軸線，結(jié)構(gòu)緊湊。(5)慣性力矩小，結(jié)構(gòu)簡(jiǎn)單，便于安裝、維修。RV減速機(jī)比單純的擺線針輪行星傳動(dòng)具有更小的體積和更大的過載能力，重量更輕,輸出軸剛度更大，并且,由于是兩級(jí)傳動(dòng),因此具有更大的傳動(dòng)比，被應(yīng)用于機(jī)器人傳動(dòng)中。由于它的這些優(yōu)點(diǎn)，因此在國內(nèi)外受到重視，但是,由于RV減速機(jī)的發(fā)展時(shí)間比較短,因此研究比較少，尤其國內(nèi),在此方面更是剛剛起步。90年代初，哈爾濱工業(yè)大學(xué)毛建忠等人開始研究用漸開線取代內(nèi)外擺線齒輪以實(shí)現(xiàn)RV傳動(dòng);1993年，南京船舶雷達(dá)研究所揚(yáng)錫和等人對(duì)RV傳動(dòng)進(jìn)行了受力分析。</p><p> RV減速器剛性好、抗沖擊能力強(qiáng)、傳動(dòng)平穩(wěn)、精度高，適合中、重載荷的應(yīng)用，但RV減速器需要傳遞很大的扭矩，承受很大的過載沖擊，保證預(yù)期的工作壽命，因而在設(shè)計(jì)上使用了相對(duì)復(fù)雜的過定位結(jié)構(gòu)，制造工藝和成本控制難度較大。RV減速器內(nèi)部沒有彈性形變的受力元件，所以能夠承受一定扭矩。RV減速器的軸承是其薄弱環(huán)節(jié)，受力時(shí)很容易突破軸承受力極限而導(dǎo)致軸承異常磨損或破裂。在高速運(yùn)轉(zhuǎn)時(shí)這個(gè)問題更突出，所以RV減速機(jī)的額定扭矩隨輸入轉(zhuǎn)速下降非常明顯。RV減速器的性能主要優(yōu)點(diǎn)(1)傳動(dòng)比范圍大;(2)扭轉(zhuǎn)鋼度大，輸出機(jī)構(gòu)即為兩端支撐的行星架，用行星架左端的剛性大圓盤輸出，大圓盤與工作機(jī)構(gòu)用螺栓聯(lián)接，其扭轉(zhuǎn)鋼度遠(yuǎn)大于一般擺線針輪行星減速器的輸出機(jī)構(gòu)，在額定轉(zhuǎn)矩下，彈性回差小:只要設(shè)計(jì)合理，制造裝配精度保證，就可獲得高精度和小間隙回差，(4)傳動(dòng)效率高:(5)傳遞同樣轉(zhuǎn)矩與功率時(shí)的體積小(或者說單位體積的承載能力大)，RV減速器用了三個(gè)行星輪，特別是第二級(jí)，擺線針輪為硬齒面多齒嚙合，這本身就決定了它可以用小的體積傳遞大的轉(zhuǎn)矩，又加上結(jié)構(gòu)設(shè)計(jì)中，讓傳動(dòng)機(jī)構(gòu)置于行星架的支撐主軸承內(nèi)，使軸向尺寸縮小，所有上述因素使傳動(dòng)總體積大為減小。1986年，日本帝人精機(jī)RV減速機(jī)正式大規(guī)模生產(chǎn)，取得成功。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇國產(chǎn)RV減速機(jī),RV減速機(jī)" src="https://tyunfile.71360.com/WaterMark/UploadFile/szhm/637326657566416015/6859631.png"></div><p> 想知道RV減速器加工難度，必然要清楚衡量RV減速器性能的指標(biāo)。主要衡量指標(biāo)如下：1)傳動(dòng)精度：在工作狀態(tài)下，輸入軸單向旋轉(zhuǎn)時(shí)，輸出軸的實(shí)際轉(zhuǎn)角與理論轉(zhuǎn)角之間的差值。有大周期誤差和小周期誤差的區(qū)分，在此不展開。2)傳動(dòng)效率：輸出功率與輸入功率之比?？紤]功率的獲取和檢測(cè)的便捷性，以扭轉(zhuǎn)和轉(zhuǎn)速來作為功率的計(jì)算因子。3)剛度回差：衡量減速器抵抗彈性變形的能力。減速器剛度回差的測(cè)試過程如下進(jìn)行：固定輸入軸不動(dòng)，在額定力矩作用下先對(duì)輸出軸進(jìn)行從零到額定力矩的正向加載，然后逐漸將額定力矩降低到零點(diǎn)，繼續(xù)加載的負(fù)向的額定力矩，然后從負(fù)方向額定力矩返回到零點(diǎn)。編碼器在不斷的加載變化過程中記錄下相應(yīng)的扭轉(zhuǎn)角。6)壽命：減速器的壽命是目前國內(nèi)與國外差距**明顯也是比較大的地方，以40E減速器來說，納博斯達(dá)克可以保證5000甚至一萬個(gè)小時(shí)的精度，國內(nèi)制作完好的產(chǎn)品1000小時(shí)候，各方面性能便會(huì)***下降。 RV減速機(jī)選型是一項(xiàng)比較細(xì)的工作，也很容易出現(xiàn)選型錯(cuò)誤的情況，導(dǎo)致選型錯(cuò)誤的原因可能不了解、粗心大意。浙江國產(chǎn)RV減速機(jī)</p><p style="text-indent:25px">1931年勞倫茲·勃朗在德國慕尼黑創(chuàng)建了“賽古樂”股份有限公司，較早開始了擺線減速器的制造和銷售。江蘇國產(chǎn)RV減速機(jī)</p><p> 一、Rv減速器傳動(dòng)是新興起的一種傳動(dòng)，它是在傳統(tǒng)針擺行星傳動(dòng)的基礎(chǔ)上發(fā)展出來的，不僅克服了一般針擺傳動(dòng)的缺點(diǎn)，而且因?yàn)榫哂畜w積小、重量輕、傳動(dòng)比范圍大、壽命長(zhǎng)、精度保持穩(wěn)定、效率高、傳動(dòng)平穩(wěn)等一系列優(yōu)點(diǎn)。日益受到國內(nèi)外的關(guān)注。RV減速器是由擺線針輪和行星支架組成，其體積小，抗沖擊力強(qiáng)，扭矩大，定位精度高，振動(dòng)小，減速比大等諸多優(yōu)點(diǎn)被大量應(yīng)用于工業(yè)機(jī)器人，機(jī)床，醫(yī)療檢測(cè)設(shè)備，衛(wèi)星接收系統(tǒng)等領(lǐng)域。它較機(jī)器人中常用的諧波傳動(dòng)具有高得多的疲勞強(qiáng)度、剛度和壽命，而且回差精度穩(wěn)定，不像諧波傳動(dòng)那樣隨著使用時(shí)間增長(zhǎng)運(yùn)動(dòng)精度就會(huì)***降低，故世界上許多國家高精度機(jī)器人傳動(dòng)多采用RV減速器，因此，該種RV減速器在先進(jìn)機(jī)器人傳動(dòng)中有逐漸取代諧波減速器的發(fā)展趨勢(shì)二、諧波減速機(jī)主要由波發(fā)生器、柔性齒輪和剛性齒輪三個(gè)基本構(gòu)件組成，諧波傳動(dòng)減速器，是一種靠波發(fā)生器使柔性齒輪產(chǎn)生可控彈性變形，并與剛性齒輪相嚙合來傳遞運(yùn)動(dòng)和動(dòng)力的齒輪傳動(dòng)。Rv減速器、諧波減速機(jī)的工作原理不同，傳動(dòng)方式也不同，應(yīng)用行業(yè)也有所區(qū)別。江蘇國產(chǎn)RV減速機(jī)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1367954.html</p></div></div></div></div></div><div id="kpmevme" class="page-right twoColRt"><div id="7qnkczf" class="box01 margin10 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