重慶理工大學(xué)/r/nX-Y/r/n水平十字滑臺/r/n

/r/n說明書/r/n班級：/r/n學(xué)號：/r/n專業(yè)：/r/n機(jī)械設(shè)計(jì)制造及其自動(dòng)化/r/n專業(yè)：/r/n機(jī)械設(shè)計(jì)制造及其自動(dòng)化/r/n姓名：/r/n教師：/r/n時(shí)間：/r/n2015/r/n年/r/n6/r/n月/r/n22/r/n日/r/n-7/r/n月/r/n10/r/n日/r/n機(jī)電一體化課程設(shè)計(jì)/r/n機(jī)電一體化課程設(shè)計(jì)/r/n-0-/r/n-0-/r/n目錄/r/nTOC\o"1-5"\h\z/r/n一、/r/n設(shè)計(jì)目的/r/n1/r/n二、/r/n設(shè)計(jì)任務(wù)/r/n2/r/n三、/r/n總體方案的確定/r/n3/r/n1/r/n、/r/n機(jī)械傳動(dòng)部件的選擇/r/n3/r/n2/r/n、/r/n控制系統(tǒng)的設(shè)計(jì)/r/n4/r/n四、/r/n機(jī)械傳動(dòng)部件的計(jì)算與選型/r/n4/r/n1/r/n、導(dǎo)軌上移動(dòng)部件的重量估算/r/n4/r/n2/r/n、/r/n銑削力的計(jì)算/r/n4/r/n3/r/n、/r/n直線滾動(dòng)導(dǎo)軌副的計(jì)算與選型/r/n7/r/n4/r/n、/r/n滾珠絲杠螺母副的計(jì)算與選型/r/n9/r/n5/r/n、/r/n步進(jìn)電動(dòng)機(jī)減速箱的選用/r/n13/r/n6/r/n、/r/n步進(jìn)電動(dòng)機(jī)的計(jì)算與選型/r/n13/r/n7/r/n、/r/n增量式旋轉(zhuǎn)編碼器的選用/r/n19/r/n8/r/n、/r/n步進(jìn)電機(jī)驅(qū)動(dòng)器的選擇/r/n19/r/n9/r/n、/r/n聯(lián)軸器的選擇/r/n21/r/n五、/r/n工作臺機(jī)械裝配圖的繪制/r/n22/r/n六、/r/n工作臺控制系統(tǒng)的設(shè)計(jì)/r/n22/r/n七、/r/n十字滑臺運(yùn)動(dòng)控制程序的編制/r/n22/r/n八、/r/n結(jié)語/r/n25/r/n參考文獻(xiàn)/r/n26/r/n機(jī)電一體化課程設(shè)計(jì)/r/n機(jī)電一體化課程設(shè)計(jì)/r/n/r/n29/r/n一、設(shè)計(jì)目的/r/n課程設(shè)計(jì)是一個(gè)重要的時(shí)間性教學(xué)環(huán)節(jié)，要求學(xué)生綜合的運(yùn)用所學(xué)的理論知識，獨(dú)立進(jìn)行設(shè)計(jì)訓(xùn)練，主要目的：/r/n1/r/n、通過設(shè)計(jì)，使學(xué)生全面地、系統(tǒng)地了解和掌握數(shù)控機(jī)床的基本組成及其思想知識,學(xué)習(xí)總體的方案擬定，分析與比較的方法。/r/n2/r/n、通過對機(jī)械系統(tǒng)的設(shè)計(jì)，掌握幾種典型傳動(dòng)元件與導(dǎo)向元件的工作原理、設(shè)計(jì)計(jì)算及選用的方式/r/n3/r/n、培養(yǎng)學(xué)生獨(dú)立分析問題和解決問題的能力，學(xué)習(xí)并樹立“系統(tǒng)設(shè)計(jì)”的思想/r/n4/r/n、鍛煉提高學(xué)生應(yīng)用手冊和標(biāo)準(zhǔn)、查閱文獻(xiàn)資料及撰寫科技論文的能力/r/n二、設(shè)計(jì)任務(wù)/r/n1/r/n、設(shè)計(jì)題目/r/nX-Y/r/n數(shù)控工作臺機(jī)電系統(tǒng)設(shè)計(jì)/r/n2/r/n、任務(wù)/r/n設(shè)計(jì)一種供立式數(shù)控銑床使用的/r/nX-Y/r/n數(shù)控工作臺。要求可以設(shè)定工作臺的運(yùn)動(dòng)速度，實(shí)現(xiàn)正向/反向點(diǎn)動(dòng)、正向/反向連續(xù)運(yùn)動(dòng)、啟動(dòng)、停止、急停、軟硬限位等功能。/r/n3/r/n、主要設(shè)計(jì)參數(shù)/r/n1./r/n立銑刀最大直徑/r/nd=16mm/r/n2./r/n立銑刀齒數(shù)/r/nZ=3/r/n3./r/n最大銑削寬度/r/na/r/nc/r/n=10mm/r/n4./r/n最大銑削深度/r/na/r/np/r/n=8mm/r/n5./r/n加工材料為碳素鋼/r/n6./r/nX/r/n，/r/nY/r/n方向的脈沖當(dāng)量都為/r/n0.01mm//r/n脈沖/r/n7./r/nX/r/n，/r/nY/r/n方向的定位精度都為土/r/n0.02mm/r/n8./r/n工作臺面尺寸為/r/n350mm/r/nX/r/n350mm,/r/n加工范圍為/r/n450mmX450mm/r/n9./r/nX,Y/r/n方向工作臺空載最快移動(dòng)速度都為/r/n2500mm/min/r/n10./r/nX，/r/nY/r/n方向工作臺進(jìn)給速度都為/r/n400mm/min/r/n

/r/n三、總體方案的確定/r/n1/r/n、機(jī)械傳動(dòng)部件的選擇/r/n⑴導(dǎo)軌副的選用/r/n滋蔘蓊多/r/n要設(shè)計(jì)的/r/nx-y/r/n工作臺是用來配套輕型的立式數(shù)控銑床，需要承/r/n豹級/r/n載的載荷不大，但脈沖當(dāng)量小(/r/nx/r/ny/r/n0.01/r/nmm/r/n//r/nP/r/n)，定位/r/n選直線滾動(dòng)導(dǎo)軌副/r/n「+、、/r/nv/r/n=/r/nv/r/n=/r/n400/r/nmm/r/n//r/nmin/r/n、/r/n「、、丄/r/n精度高/r/n(/r/nx/r/nmax/r/n//r/nymax/r/n//r/n)，/r/n因此，決定選用/r/n直線滾動(dòng)導(dǎo)軌副，它具有摩擦系數(shù)小、不易爬行、傳動(dòng)效率高、結(jié)構(gòu)緊湊、安裝預(yù)緊方便等優(yōu)點(diǎn)。/r/n(2)/r/n絲杠螺母副的選用/r/n上變余/r/nJ/r/n伺服電動(dòng)機(jī)的旋轉(zhuǎn)運(yùn)動(dòng)需要通過絲杠螺母副轉(zhuǎn)換成直線運(yùn)動(dòng)，/r/n溪宵尹/r/n要滿足/r/n0.01mm/r/n的脈沖當(dāng)量和/r/n+0.01mm/r/n的定位精度，滑動(dòng)絲杠副/r/n乂惡/r/n無能為力，只有選用滾珠絲杠副才能達(dá)到。滾珠絲杠副的傳動(dòng)/r/n汽少/r/n'跡/r/n精度高、動(dòng)態(tài)響應(yīng)快、運(yùn)轉(zhuǎn)平穩(wěn)、壽叩長、效率高、預(yù)緊后可/r/n'血/r/n消除反向間隙，而且滾珠絲杠已經(jīng)系列化，選用非常方便，有/r/n利于提咼開發(fā)效率。/r/n選滾動(dòng)絲杠螺母副/r/n(3)/r/n減速裝置的選用/r/n選擇了步進(jìn)電動(dòng)機(jī)和滾珠絲杠副以后，為了圓整脈沖當(dāng)量，放大電動(dòng)機(jī)的輸出轉(zhuǎn)矩，降低運(yùn)動(dòng)部件折算到電動(dòng)機(jī)轉(zhuǎn)軸上的轉(zhuǎn)動(dòng)慣量，可能需要減速裝置，且應(yīng)有消除間隙機(jī)構(gòu)。/r/n擬采用減速器/r/n(4)/r/n伺服電動(dòng)機(jī)的選用/r/n1/r/n；/r/n任務(wù)書規(guī)定的脈沖當(dāng)量尚未達(dá)到/r/n0.001mm,/r/n定位精度也未達(dá)到微米級，空載最快移動(dòng)速度也只有/r/n2500mm/min/r/n。/r/n因此，本設(shè)計(jì)不必采用高檔次的伺服電動(dòng)機(jī)，如交流伺服電動(dòng)機(jī)或直流伺服電動(dòng)機(jī)等，可以選用性能好一些的步進(jìn)電動(dòng)機(jī)，如混合式步進(jìn)電動(dòng)機(jī)，以降低成本，提咼性價(jià)比。/r/n伺服電機(jī)選步進(jìn)電機(jī)/r/n(5)/r/n檢測裝置的選用/r/n選用步進(jìn)電動(dòng)機(jī)作為伺服電動(dòng)機(jī)后，可選開環(huán)控制，也可選閉環(huán)控制。任務(wù)書所給精度對于步進(jìn)電動(dòng)機(jī)來說還是偏高的，為了確保電動(dòng)機(jī)在運(yùn)轉(zhuǎn)過程中不受切削負(fù)載和電網(wǎng)的影響而失步，決定采用半閉環(huán)控制，并在電動(dòng)機(jī)的尾部轉(zhuǎn)軸上安裝增量式旋轉(zhuǎn)編碼器，用以檢測電動(dòng)機(jī)的轉(zhuǎn)角與轉(zhuǎn)速。增量式旋轉(zhuǎn)編碼器的分辨率應(yīng)與步進(jìn)電動(dòng)機(jī)的步距角相匹配。/r/n檢測裝置的選用：增量式旋轉(zhuǎn)編碼器/r/n考慮到/r/nX/r/n、/r/nY/r/n兩個(gè)方向的加工范圍相同，承受的工作載荷相差不大，為了減少設(shè)計(jì)工作量，/r/nX/r/n、/r/nY/r/n兩個(gè)坐標(biāo)的導(dǎo)軌副、絲杠螺母副、減速裝置、伺服電動(dòng)機(jī)，以及檢測裝置擬采用相同的型號與規(guī)格。/r/n2/r/n、控制系統(tǒng)的設(shè)計(jì)/r/n（/r/n1/r/n）設(shè)計(jì)的/r/nX-Y/r/n工作臺準(zhǔn)備用在數(shù)控銑床上，其控制系統(tǒng)應(yīng)該具有單坐標(biāo)定位、兩坐標(biāo)直線插補(bǔ)與圓弧插補(bǔ)的基本功能，所以控制系統(tǒng)應(yīng)該設(shè)計(jì)成連續(xù)控制型。/r/n連續(xù)控制型/r/n（/r/n2/r/n）對于步進(jìn)電動(dòng)機(jī)的半閉環(huán)控制，選用/r/nMPC2810/r/n運(yùn)動(dòng)控制卡，應(yīng)該能夠滿足任務(wù)書給定的相關(guān)指標(biāo)。/r/n控制器選：/r/nMPC2810/r/n運(yùn)動(dòng)/r/n控制卡/r/n（/r/n3/r/n）要設(shè)計(jì)一臺完整的控制系統(tǒng)，在選擇運(yùn)動(dòng)控制卡之后，還需要轉(zhuǎn)接板作為與其他電器元件連接的樞紐。/r/n需要轉(zhuǎn)接板/r/n（4/r/n）選擇合適的驅(qū)動(dòng)電源，與步進(jìn)電動(dòng)機(jī)配套使用，我們將自行設(shè)計(jì)。/r/n自行設(shè)計(jì)步進(jìn)電機(jī)驅(qū)動(dòng)電源/r/n整體方案設(shè)計(jì)/r/n系統(tǒng)總體方案圖/r/n四、機(jī)械傳動(dòng)部件的計(jì)算與選型/r/n1/r/n、/r/n導(dǎo)軌上移動(dòng)部件的重量估算/r/n按照下導(dǎo)軌上面移動(dòng)部件的重量來進(jìn)行估算。包括工件、夾具、工作平臺、上層電動(dòng)機(jī)、減速箱、滾珠絲杠副、直線滾動(dòng)導(dǎo)軌副、導(dǎo)軌座等，估計(jì)重量約為/r/n900N/r/n。/r/n2/r/n、/r/n銃削力的計(jì)算/r/n設(shè)零件的加工方式為立式銑削，采用硬質(zhì)合金立銑刀，工件的材料為碳鋼。則由表/r/n2-1/r/n查得立銑時(shí)的銑削力計(jì)算公式為：/r/n硬質(zhì)合金銃刀銃削力的計(jì)算公式（單位/r/nN/r/n）/r/n⑶/r/n16/r/n銃刀類型/r/n工件材料/r/n銃削力公式/r/n

/r/n面銑刀/r/n碳鋼/r/nF/r/n=/r/n11278/r/na/r/n1-06/r/nf/r/n0.88/r/nd/r/n-/r/n1-3/r/na/r/n0-90/r/nn/r/n-/r/n0-18/r/nZ/r/nc/r/ne/r/nz/r/np/r/n灰鑄鐵/r/nF/r/n=/r/n539/r/na/r/n1-0/r/nf/r/n0-74/r/nd/r/n-/r/n1-0/r/na/r/n0-90/r/nZ/r/nc/r/ne/r/nz/r/np/r/n可鍛鑄鐵/r/nF/r/n=/r/n4825/r/na/r/n1-1/r/nf/r/n0-75/r/nd/r/n-/r/n1-3/r/na/r/n1-0/r/nn/r/n-/r/n0-20/r/nZ/r/nc/r/ne/r/nz/r/np/r/n圓柱銑刀/r/n碳鋼/r/nF/r/n=/r/n1000/r/na/r/n0-88/r/nf/r/n0-75/r/nd/r/n-/r/n0-87/r/na/r/n1-0/r/nZ/r/nc/r/ne/r/nz/r/np/r/n灰鑄鐵/r/nF/r/n=/r/n596/r/na/r/n0-9/r/nf/r/n0-80/r/nd/r/n-/r/n0-90/r/na/r/n1-0/r/nZ/r/nc/r/ne/r/nz/r/np/r/n三面刃銑刀/r/n碳鋼/r/nF/r/n=/r/n2560/r/na/r/n0-9/r/nf/r/n0-80/r/nd/r/n-/r/n1.1/r/na/r/n1.1/r/nn/r/n-/r/n0-1/r/nZ/r/nc/r/ne/r/nz/r/np/r/n兩面刃銑刀/r/nF/r/n=/r/n2746/r/na/r/n0-8/r/nf/r/n0.70/r/nd/r/n-/r/n1.1/r/na/r/n0-85/r/nZ/r/nc/r/ne/r/nz/r/np/r/n立銑刀/r/nF/r/n=/r/n118/r/na/r/n0-85/r/nf/r/n0-75/r/nd/r/n-/r/n0-73/r/na/r/n1-0/r/nn/r/n-/r/n0-13/r/nZ/r/nc/r/ne/r/nz/r/np/r/n期中：/r/na/r/np/r/n為背吃刀量/r/nmm/r/n；/r/na/r/ne/r/n為側(cè)吃刀量/r/nmm/r/n；/r/nf/r/nz/r/n為每齒進(jìn)給量/r/nmm/Z/r/n；/r/nv/r/nf/r/n進(jìn)給速度/r/nmm/min/r/n；/r/nZ/r/n銑刀齒數(shù)；/r/nd/r/n銑刀直徑/r/nmm/r/n；/r/nn/r/n銑刀轉(zhuǎn)速/r/nr/min/r/n,/r/n見圖/r/n2-1/r/n。/r/nF/r/n=/r/n118/r/na/r/n0.85/r/nf/r/n0.75/r/nd/r/n-/r/n0.73/r/na/r/n1-0/r/nn/r/n-/r/n0-i3/r/nZ/r/n(/r/n2-1/r/n)/r/nc/r/nez/r/np/r/n町立銳/r/nb）/r/n岡柱銃削/r/n時(shí)/r/n瑞統(tǒng)/r/n圖/r/n2-1/r/n銑削用量說明/r/n若銑刀直徑/r/nd=16mm/r/n,/r/n齒數(shù)/r/nZ=3/r/n，為了計(jì)算最大銑削力，在不對稱銑削情況下，取最大銑削寬度/r/na/r/ne/r/n=10mm/r/n,/r/n背吃刀量/r/na/r/np/r/n=8/r/n，/r/n每齒進(jìn)給量/r/nf/r/nz/r/n=0.1mm/Z/r/n；銑刀轉(zhuǎn)速/r/nn=300r/min/r/n。/r/n則由公式/r/n2-1/r/n求得:最大銑削力：/r/nP/r/nZ/r/nF/r/n=/r/n118/r/nx/r/n10/r/n0.85/r/nx/r/n0.1/r/n0-75/r/nx/r/n16/r/n-/r/n0-73/r/nx/r/n8/r/n1-0/r/nx/r/n300/r/n0-13/r/nx/r/n3/r/n沁/r/n989/r/nN/r/nc/r/n采用立銑刀進(jìn)行圓柱銑削時(shí)，各銑削力之間的比值可由表/r/n2-2/r/n。/r/n表/r/n2-2/r/n各銃削力之間比值/r/n

/r/n銑削條件/r/n比值/r/n對稱銑削/r/n不對稱銑削/r/n逆銑/r/n順銑/r/n端銃削/r/na/r/ne/r/n=(0.4/r/n?/r/n0.8)d/mmf/r/nz/r/n=(0.1/r/n?/r/n0.2)/(mm.z/r/n-i/r/n))/r/nJ/r/n//r/nFc/r/n0.3/r/n?/r/n0.4/r/n0.6/r/n?/r/n0.9/r/n0.15/r/n?/r/n0.3/r/nJ/r/nc/r/nF/F/r/ne/r/nc/r/n0.85/r/n?/r/n0.95/r/n0.45/r/n?/r/n0/r/n.70/r/n0.9/r/n?/r/n1.0/r/nF/r/nn/r/n/F/r/nfn/r/nc/r/n0.50/r/n?/r/n0.55/r/n0.50/r/n?/r/n0/r/n.55/r/n0.5/r/n?/r/n0/r/n.55/r/n圓柱銃削/r/na/r/ne/r/n=0.05/r/nd/mm/r/nf/r/nz/r/n=(0.1/r/n?/r/n0.2)/(mm.z/r/n-1/r/n))/r/nF/r/nf/r/n/F/r/nf/r/nc/r/n1.0/r/n?/r/n1.2/r/n0.8/r/n?/r/n0.9/r/nF/r/n為/r/n/F/r/nfn/r/nc/r/n0.2/r/n?/r/n0.3/r/n0.75/r/n?/r/n0.8/r/nF/F/r/ne/r/nc/r/n0.35/r/n?/r/n0.4/r/n0.325/r/n?/r/n0.4/r/n圖/r/n2-3/r/n順銑與逆銑/r/n圓柱也鐵刀鐵削/r/n力/r/nb）/r/n面麻/r/nJJ/r/n鐵朋力/r/n圖/r/n2-2/r/n銑削力分析/r/n由表/r/n2-2/r/n,/r/n圖/r/n2-2/r/n和圖/r/n2-3/r/n，考慮逆銃情況，可估算出三個(gè)方向的銃削力分別為:/r/nF/r/n=/r/n1.1F/r/n沁/r/n1088N/r/nTOC\o"1-5"\h\z/r/nf/r/nc/r/nF=/r/n0.38F/r/n沁/r/n376N/r/ne/r/nc/r/nF/r/n=/r/n0.25F/r/n沁/r/n247N/r/nF=376N/r/nZ/r/nF=1088N/r/nx/r/nF=376N/r/nZ/r/nF=1088N/r/nx/r/n圖/r/n2-3a/r/n為臥銃情況，現(xiàn)考慮立銃，則工作臺受到垂直方向的銃削力/r/nF/r/nz/r/n=F/r/ne/r/n=376N/r/n，受到水平/r/n

/r/n方向的銑削力分別為/r/nF/r/nf/r/n和卩血。今將水平方向較大的銑削力分配給工作臺的縱向（絲杠軸線方向），則縱向銑削力/r/nF/r/nx/r/n=F/r/nf/r/n=1088N/r/n,/r/n徑向銑削力/r/nF/r/ny/r/n=F/r/nfn/r/n=247N/r/n。/r/nF=247N/r/ny/r/n3/r/n、直線滾動(dòng)導(dǎo)軌副的計(jì)算與選型/r/n（/r/n1/r/n）滑塊承受工作載荷/r/nFmax/r/n的計(jì)算及導(dǎo)軌型號的選取/r/n工作載荷是影響直線滾動(dòng)導(dǎo)軌副使用壽命的重要因素。/r/nX-Y/r/n工作臺采用水平布置，利用雙導(dǎo)軌、四滑塊的支承形式。考慮最不利的情況，即垂直于臺面的工作載荷全部由一個(gè)滑塊承擔(dān)，則單滑塊所受的最大垂直方向載荷為：/r/nF/r/n=/r/n—+/r/nF/r/nmax/r/n4/r/n（2-2）/r/n其中，移動(dòng)部件重量/r/nG=900N/r/n,/r/n外加載荷/r/nF=FZ=376N/r/n，代入式/r/n2-2/r/n得最大工作載荷/r/nF/r/n-/r/n—/r/n+/r/nF/r/n-/r/n900/r/n+/r/n376/r/n-/r/n601N/r/n-/r/n0.601kN/r/nmax/r/n4/r/n4/r/n查表/r/n3-41/r/n【/r/n3/r/n】/r/n48/r/n,根據(jù)工作載荷/r/nFmax=0.609kN/r/n，初選直線滾動(dòng)導(dǎo)軌副的型號為/r/nZL/r/n系列的/r/nJSA-LG15/r/n型，其額定動(dòng)載荷/r/nCa=7.94kN/r/n，額定靜載荷/r/nC0a=9.5kN/r/n。/r/n任務(wù)書規(guī)定工作臺面尺寸為/r/n350mm/r/nX/r/n350mm/r/n,/r/n加工范圍為/r/n450mm/r/nX/r/n450mm/r/n,/r/n考慮工作行程應(yīng)留有一定余量，查表/r/n3-35[3]45/r/n，按標(biāo)準(zhǔn)系列，選取導(dǎo)軌長度為/r/n820mm./r/n表/r/n3-35JSA/r/n型導(dǎo)軌長度系列/r/n導(dǎo)軌副的型號/r/n:/r/nZL/r/n系列的/r/nJSA-LG15/r/n型/r/n導(dǎo)軌長度為/r/n820mm/r/n導(dǎo)軌型號/r/n導(dǎo)軌長度系/r/nJSA-LG15/r/n280/r/n340/r/n400/r/n460/r/n520/r/n580/r/n640/r/n700/r/n760/r/n820/r/n940/r/nJSA-LG20/r/n340/r/n400/r/n520/r/n580/r/n640/r/n760/r/n820/r/n940/r/n1000/r/n1120/r/n1240/r/nJSA-LG25/r/n460/r/n640/r/n800/r/n1000/r/n1240/r/n1360/r/n1480/r/n1600/r/n1840/r/n1960/r/n3000/r/nJSA-LG35/r/n520/r/n600/r/n840/r/n1000/r/n1080/r/n1240/r/n1480/r/n1720/r/n2200/r/n2440/r/n3000/r/nJSA-LG45/r/n550/r/n65/r/n750/r/n850/r/n950/r/n1250/r/n1450/r/n1850/r/n2050/r/n2550/r/n3000/r/nJSA-LG55/r/n660/r/n780/r/n900/r/n1020/r/n1260/r/n1380/r/n1500/r/n1980/r/n2220/r/n2700/r/n3000/r/nJSA-LG65/r/n820/r/n970/r/n1120/r/n1270/r/n1420/r/n1570/r/n1720/r/n2020/r/n2320/r/n2770/r/n3000/r/n

/r/n表/r/n2-8/r/n載荷系數(shù)/r/n工況/r/n無外部沖擊或震動(dòng)的低速/r/n場合，速度小于/r/n15m/min/r/n無明顯沖擊或振動(dòng)的中速場合，速度為/r/n15/r/n?/r/n60m/min/r/n有外部沖擊或振動(dòng)的咼速/r/n場合，速度大于/r/n60m/min/r/nfW/r/n1~1.5/r/n1.5~2/r/n2~3.5/r/n分別取硬度系數(shù)/r/nfH=1.0/r/n、/r/n溫度系數(shù)/r/nfT=1.00/r/n、接觸系數(shù)/r/nfC=0.81/r/n、精度系數(shù)/r/nfR=0.9/r/n、載荷系數(shù)/r/nfW=1.5/r/n，代入式/r/n2-3/r/n【/r/n3/r/n】/r/n46/r/n，得所選絲杠的距離壽命為/r/n180km/r/n。/r/n距離額定壽命/r/nL/r/n的計(jì)算/r/n上述選取的/r/nZL/r/n系列/r/nJSA-LG15/r/n型導(dǎo)軌副的滾道硬度為/r/n60HRC/r/n,/r/n工作溫度不超過/r/n距離額定壽命/r/nL/r/n的計(jì)算/r/n上述選取的/r/nZL/r/n系列/r/nJSA-LG15/r/n型導(dǎo)軌副的滾道硬度為/r/n60HRC/r/n,/r/n工作溫度不超過/r/n100°/r/nC/r/n，每根導(dǎo)軌上配有兩只滑塊，精度為/r/n4/r/n級，工作速度較低，載荷不大。查表/r/n滾道硬度(/r/nHRC/r/n)/r/n50/r/n55/r/n58~64/r/nfH/r/n0.53/r/n0.8/r/n1.0/r/n表/r/n2-4/r/n硬度系數(shù)/r/n工作溫度/r/n//r/nC/r/n<100/r/n100~150/r/n150~200/r/n200~250/r/nfT/r/n1.00/r/n0.90/r/n0.73/r/n0.60/r/n表/r/n2-5/r/n溫度系數(shù)/r/n每根導(dǎo)軌上滑塊數(shù)/r/n1/r/n2/r/n3/r/n4/r/n5/r/nfC/r/n1.00/r/n0.81/r/n0.72/r/n0.66/r/n0.61/r/n表/r/n2-6/r/n接觸系數(shù)/r/n精度等級/r/n2/r/n3/r/n4/r/n5/r/nfR/r/n1./r/n1.0/r/n0.9/r/n0.9/r/n表/r/n2-7/r/n精度系數(shù)/r/n距離壽命為/r/n180km/r/n遠(yuǎn)大于期望值/r/n50km/r/n，/r/n故距離額定壽命滿足要求/r/nL/r/n(/r/nffffC/r/n丫/r/n、,/r/n50/r/nL/r/n=—H/r/n—/r/nTCR/r/n——/r/nL/r/nx/r/n50/r/nfF/r/nW/r/nmax/r/n(/r/n2-3/r/n)/r/n

/r/nx/r/n50/r/n沁/r/n12658/r/nkm/r/n>>50/r/nkm/r/n1.5/r/nx/r/n0.601/r/n(/r/n1.0/r/nx/r/nl.00/r/nx/r/n0.81/r/nx/r/n0.9/r/nx/r/n50/r/n沁/r/n12658/r/nkm/r/n>>50/r/nkm/r/n1.5/r/nx/r/n0.601/r/n結(jié)論：所選導(dǎo)軌的距離壽命遠(yuǎn)大于期望值/r/n50km/r/n，故距離額定壽命滿足要求。/r/n4/r/n、滾珠絲杠螺母副的計(jì)算與選型/r/n(1/r/n)最大工作載荷/r/nFm/r/n的計(jì)算/r/n在立銑時(shí)，工作臺受到進(jìn)給方向的載荷(與絲杠軸線平行/r/n)/r/nFx=2082N/r/n,/r/n受到橫向的載荷(與絲杠軸線垂直)/r/nFy=473N/r/n,/r/n受到垂直方向的載荷(與工作臺面垂直)/r/nFz=719N/r/n。/r/n已知移動(dòng)部件總重量/r/nG=900N/r/n,/r/n按矩形導(dǎo)軌進(jìn)行計(jì)算，查表/r/n2-9/r/n【/r/n3/r/n】/r/n38,/r/n表/r/n2-9/r/n最大工作載荷/r/nFm/r/n實(shí)驗(yàn)計(jì)算公式及參考系數(shù)/r/n導(dǎo)軌類型/r/n實(shí)驗(yàn)公式/r/nK/r/nH/r/n矩形導(dǎo)軌/r/nF/r/n二/r/nKF/r/n+嘰/r/nF/r/n+/r/nF/r/n+/r/nG/r/n)/r/nm/r/nx/r/nz/r/ny/r/n1.1/r/n0.15/r/n燕尾導(dǎo)軌/r/nF=KF/r/n+/r/nr/r/n(F/r/n+/r/n2F/r/n+/r/nG)/r/nm/r/nx/r/nz/r/ny/r/n1.4/r/n0.2/r/n三角形或綜合導(dǎo)軌/r/nF/r/n=/r/nKF/r/n+/r/nr/r/n(F/r/n+/r/nG)/r/nm/r/nx/r/nz/r/n1.15/r/n0.15~0.8/r/n最大工作載荷:注：表中摩擦因數(shù)卩均為滑動(dòng)導(dǎo)軌。對于貼塑導(dǎo)軌卩/r/n=0.03/r/n?/r/n0.05,/r/n滾動(dòng)導(dǎo)軌卩/r/n=0.003/r/n?/r/n0.005/r/n。/r/n表中，/r/nFx/r/n為進(jìn)給方向載荷，/r/nFy/r/n為橫向載荷，/r/nFz/r/n為垂直載荷，單位均為/r/nN/r/n；/r/nG/r/n為移動(dòng)部件總/r/nF/r/nm/r/n二/r/n1204/r/nN/r/n重力，單位為/r/nN/r/n；/r/nK/r/n為顛覆力矩影響系數(shù)；卩為導(dǎo)軌的摩擦系數(shù)。/r/n取移動(dòng)部件總重量/r/nG=900N/r/n,/r/n按矩形導(dǎo)軌進(jìn)行計(jì)算，查表/r/n2-9/r/n，/r/n取顛覆力矩影響系數(shù)/r/nK=1.1/r/n,/r/n滾動(dòng)導(dǎo)軌上的摩擦因素卩/r/n=0.005/r/n。求得滾珠絲杠副的最大工作載荷:、/r/nF/r/n=/r/nKF/r/n+/r/nr/r/n(/r/nF/r/n+/r/nF/r/n+/r/nG/r/n)/r/n=/r/n1.1/r/nx/r/n1088/r/n+/r/n0.005/r/nx/r/n(/r/n247/r/n+/r/n376/r/n+/r/n900/r/n)/r/n?/r/n1204/r/nN/r/nm/r/nx/r/nzy/r/n(2/r/n)/r/n最大動(dòng)載荷/r/nFQ/r/n的計(jì)算/r/n設(shè)工作臺在承受最大銑削力時(shí)的最快進(jìn)給速度/r/nv=400mm/min/r/n,/r/n初選絲杠導(dǎo)程/r/nPh=4mm/r/n,/r/n則此時(shí)絲杠轉(zhuǎn)速/r/nn=v/Ph=100r/min/r/n。/r/n取滾珠絲杠的使用壽命/r/nT=15000h/r/n,/r/n代入/r/nL0=60nT/106,/r/n得絲杠壽命系數(shù)/r/nL0=90(/r/n單位為:/r/n106r/r/n)。/r/n

/r/n查表/r/n2-10/r/n【/r/n3/r/n】/r/n39/r/n,取載荷系數(shù)/r/nfW=1.2/r/n，滾道硬度為/r/n60HRC/r/n時(shí)，取硬度系數(shù)/r/nfH=1.0/r/n,/r/n代入式/r/n2-4/r/n【/r/n3/r/n】/r/n38/r/nF/r/nq/r/n=/r/n迢/r/nfw/r/nf/r/nH/r/nF/r/nm/r/n（/r/n2-4/r/n）/r/nF/r/n二/r/n3/r/n90/r/nx/r/n1.2/r/nx/r/n1.0/r/nX/r/n1204/r/n?/r/n6475/r/nN/r/n即：/r/nQ/r/n最大動(dòng)載荷/r/nFQ=6475N/r/n式中：/r/nL0/r/n——/r/n滾珠絲杠副的壽命，單位（/r/n106r/r/n）。/r/nL0=60nT/106/r/n,/r/n（其中/r/nT/r/n為使用壽命，普通機(jī)械取/r/nT=5000~10000h/r/n，數(shù)控機(jī)床及一般機(jī)電設(shè)備取/r/nT=15000h/r/n；/r/nn/r/n最大動(dòng)載荷/r/nFQ=6475N/r/nfW/r/n——/r/n載荷系數(shù)，由表/r/n2-10/r/n查得。/r/nfH/r/n——/r/n硬度系數(shù)（/r/n2/r/n58HRC/r/n時(shí)，取/r/n1.0/r/n；/r/n等于/r/n55HRC/r/n時(shí)，取/r/n1.11/r/n；/r/n等于/r/n52.5HRC/r/n時(shí)，取/r/n1.35/r/n；/r/n等于/r/n50HRC/r/n時(shí)，取/r/n1.56/r/n；等于/r/n45HRC/r/n時(shí)，取/r/n2.40/r/n）；/r/nFm/r/n滾珠絲杠副的最大工作載荷，單位為/r/nN/r/n。/r/n表/r/n2-10/r/n滾珠絲杠載荷系數(shù)/r/n運(yùn)轉(zhuǎn)狀態(tài)/r/n載荷系數(shù)/r/nfW/r/n平穩(wěn)或輕度沖擊/r/n1.0/r/n?/r/n1.2/r/n中等沖擊/r/n1.2/r/n?/r/n1.5/r/n較大沖擊或振動(dòng)/r/n1.5/r/n?/r/n2.5/r/n（3/r/n）初選型號/r/n根據(jù)計(jì)算出的最大動(dòng)載荷和初選的絲杠導(dǎo)程，查附件/r/n3/r/n表/r/n3-31/r/n【/r/n3/r/n】/r/n39/r/n,選擇濟(jì)寧博特/r/nGD/r/n系列/r/n2504-4/r/n精密絲杠制造有限公司生產(chǎn)的/r/nGD/r/n系列/r/n2504-4/r/n型滾珠絲杠副，為內(nèi)循環(huán)固定反向器單螺母式，型滾珠絲杠副其公稱直徑為/r/n25mm/r/n,/r/n導(dǎo)程為/r/n4mm/r/n,/r/n循環(huán)滾珠為/r/n3/r/n圈/r/nX/r/n2/r/n列，精度等級取/r/n5/r/n級，額定動(dòng)載荷為/r/n7674/r/nN/r/n,/r/n大于/r/nFQ/r/n,/r/n滿足要求。/r/n“/r/n=/r/n94/r/n?/r/n8/r/n“/r/n=/r/n94/r/n?/r/n8/r/n%/r/n>/r/n90/r/n將公稱直徑/r/nd0=25mm/r/n，導(dǎo)程/r/nPh=4mm/r/n,/r/n代入八/r/narctany/r/n//r/n（兀/r/nd/r/n。）］/r/n，得絲杠螺旋升角/r/n%/r/n，合格。/r/n申/r/n二/r/n10/r/n'/r/n九/r/n二/r/n2/r/n。/r/n54/r/n'/r/n申/r/n二/r/n10/r/n'/r/n耳/r/n=/r/ntan/r/n九/r/n//r/ntan/r/n(/r/n九/r/n+/r/n?/r/n)/r/n=/r/ntan2.91/r/n//r/ntan(2.91/r/n+/r/n10/60)/r/n=/r/n94.8%/r/n耳/r/n二/r/n94.8%/r/n，得傳動(dòng)效率/r/n效率要求大于/r/n90%/r/n，該絲杠副合格。/r/n

/r/n（/r/n5/r/n）剛度的驗(yàn)算/r/n1/r/n）/r/nX-Y/r/n工作臺上下兩層滾珠絲杠副的支承均采用“單推/r/n-/r/n單推”的方式。絲杠的兩端各米用一對推力角接觸球軸承，面對面組配，左、右支承的中心距離約為/r/ni=550mm/r/n；/r/n鋼的彈性模量/r/nE=2.1/r/nX/r/n10/r/n5/r/nMPa/r/n；查附件/r/n3/r/n,得滾珠直徑/r/nD/r/nW/r/n=2.381mm/r/n,/r/n絲杠底徑/r/nd/r/n2/r/n=22.1mm/r/n,/r/n絲杠截面積/r/nS/r/n=/r/n兀/r/nd/r/n2/r/n/4/r/n=/r/n383.6mm/r/n2/r/n。/r/n2/r/n絲杠的拉伸或壓縮變形量/r/nJ/r/n在總變形量中的比重較大，可按下式計(jì)算：/r/nFa/r/nt/r/nMa/r/n2/r/n5/r/n1/r/n一土苗土/r/n2/r/n応/r/nIE/r/n（2-5）[3]41/r/n式中：/r/nF/r/nm/r/n絲杠的最大工作載荷，單位為/r/nN/r/na/r/n絲杠兩端支承間的距離，單位為/r/nmm/r/nE/r/n絲杠材料的彈性模量，鋼的/r/nE=2.1/r/nX/r/n10/r/n5/r/nMPa/r/nS/r/n絲杠按底徑/r/nd/r/n2/r/n確定的截面積，單位為/r/nmm/r/n2/r/nM/r/n轉(zhuǎn)矩，單位為/r/nN/r/n?/r/nmm/r/nI/r/n絲杠按底徑/r/nd/r/n2/r/n確定的截面積慣性矩（/r/n1/r/n-/r/n兀/r/nd/r/n4/64/r/n），單位為/r/nmm/r/n4/r/n2/r/n2/r/n滾珠與螺紋滾道間的接粗變形量§/r/n2/r/n11/r/n尢預(yù)緊時(shí)/r/n5/r/n一/r/n0.00/r/n38/r/n3/r/n1—/r/n2/r/nD/r/n有預(yù)緊時(shí)/r/n5/r/n0.0/r/n013/r/n2/r/n10#/r/n式中/r/nD/r/nW/r/n滾珠直徑，/r/nmm/r/nZ/r/n滾珠總數(shù)量，/r/nZ/r/nE/r/n=Z/r/nX/r/n圈/r/nZ/r/n——/r/n單圈滾珠數(shù)，/r/nZ/r/n-/r/n兀/r/nd/r/n//r/nD/r/n0/r/nF/r/nyj/r/n預(yù)緊力，單位/r/nN/r/n忽略式/r/n2-5/r/n中的第二項(xiàng)，算得絲杠/r/nF/r/na/r/n1204/r/nx/r/n550/r/n八亠/r/n即/r/n5/r/n一/r/nm/r/n一/r/nQ/r/n0.01/r/n1/r/nES/r/n2.1/r/nx/r/n10/r/n5/r/nx/r/n383.6/r/n//r/nF/r/n丫/r/n（2-6）/r/n[3]41/r/n[/r/n10/r/nZ/r/n丿/r/n丿/r/nF/r/nm/r/n（2-7）/r/n[3]41/r/nDFZ/r/n2/r/n/10/r/nwYJ/r/n工/r/n數(shù)/r/nX/r/n列數(shù)/r/n（外循環(huán)），/r/nZ/r/n一/r/nCd/r/n//r/nD/r/n）/r/n一/r/n3/r/n（內(nèi)循環(huán)）/r/nw/r/n0/r/nW/r/n一在工作載何/r/nFm/r/n作用卜產(chǎn)生的拉/r/n//r/n壓變形量/r/n=0.0124mm/r/n13/r/nmm/r/n

/r/n根據(jù)公式/r/nZ/r/n=/r/nCd/r/n//r/nD)/r/n-/r/n3/r/n，求得單圈滾珠數(shù)/r/nZ-30/r/n；/r/n該型號絲杠為單螺母，滾珠的/r/n0/r/nW/r/n圈數(shù)/r/nX/r/n列數(shù)為/r/n3/r/nX/r/n2/r/n，代入公式：/r/nZ/r/ns/r/n=Z/r/nX/r/n圈數(shù)/r/nX/r/n列數(shù)，得滾珠總數(shù)量/r/nZ/r/ns/r/n=180/r/no/r/n絲杠預(yù)緊時(shí)，取軸向預(yù)緊力/r/nF/r/nYJ/r/n=F/r/nm/r/n/3=1204/3/r/n?/r/n401N/r/n。貝/r/n9/r/n由式/r/n2-7/r/n，/r/n滾珠與螺紋滾道間的接觸變形量§/r/n2/r/nF/r/n1204/r/n3/r/n-/r/n0.0013/r/n-/r/n0.0013/r/n沁/r/n0.0011/r/nmm./r/n2/r/n10J/r/nD/r/nFZ/r/n2/r/n/10/r/n10#2.381/r/nx/r/n401/r/nx/r/n180/r/n2/r/n/10/r/nS/r/nwYJ/r/n工/r/n因?yàn)榻z杠加有預(yù)緊力，且為軸向負(fù)載的/r/n1/3/r/n,所以實(shí)際變形量可減小一半，/r/n8/r/n2/r/n=0.00055mm/r/n。/r/n將以上算出的§/r/n］/r/n和/r/n8/r/n2/r/n代入/r/n3/r/n-/r/n3/r/n+/r/n3/r/n-/r/n0.0113/r/n+/r/n0.00055/r/n-/r/n11.90/r/n帥。/r/nn/r/n1/r/n2/r/n絲杠的有效行程為/r/n528mm,/r/n由表/r/n3-27/r/n⑶/r/n35/r/n知，/r/n5/r/n級精度滾珠絲杠有效行程在/r/n500/r/n?/r/n630mm/r/n時(shí)，行程偏差允許達(dá)到/r/n32/r/nu/r/nm/r/n，可見絲杠剛度足夠。/r/n絲杠剛度足夠/r/n(/r/n6/r/n)壓桿穩(wěn)定性校核/r/n滾珠絲杠是屬于受軸向力的細(xì)長桿，如果軸向負(fù)載過大，則可能產(chǎn)生失穩(wěn)現(xiàn)象。失穩(wěn)時(shí)的臨界載荷/r/nF/r/nk/r/n應(yīng)滿足：/r/n廠/r/nf/r/n兀/r/n2/r/nEI/r/n廠/r/nF/r/n-/r/n>/r/nF/r/n(/r/n2-8/r/n)/r/n【/r/n3/r/n】/r/n42/r/nk/r/nKa/r/n2/r/nm/r/n式中/r/nF/r/nk/r/n臨界載荷，單位/r/nN/r/nf/r/nk/r/n絲杠支承系數(shù)，如表所示/r/nK/r/n壓桿穩(wěn)定安全系數(shù)，一般取/r/n2.5/r/n?/r/n4/r/n,垂直安裝時(shí)取小值；/r/nA/r/n滾珠絲杠兩端支承間的距離，單位為/r/nmm/r/n。/r/n表/r/n2-11/r/n絲杠支承系數(shù)⑶/r/n42/r/n絲杠不會失穩(wěn)/r/n方式/r/n雙推/r/n-/r/n自由/r/n雙推/r/n-/r/n簡支/r/n雙推/r/n-/r/n雙推/r/n單推/r/n-/r/n單推/r/nf/r/nk/r/n0.25/r/n2/r/n4/r/n1/r/n查表/r/n2-11/r/n，取/r/nf/r/nk/r/n=1/r/n；/r/n由絲杠底徑/r/nd/r/n2/r/n=16.2mm/r/n,/r/n求得截面慣性矩：/r/nI/r/n-/r/n兀/r/nd/r/n4/r/n/64/r/n沁/r/n11709.52mm/r/n4/r/n；壓桿穩(wěn)定系數(shù)/r/nK/r/n取/r/n3/r/n(絲杠臥式水平安裝)；滾動(dòng)螺母/r/n

/r/n至軸向固定處的距離/r/na/r/n取最大值/r/n780mm/r/n。/r/n代入式/r/n2-8/r/n,/r/n得臨界載荷/r/nF/r/nk/r/n~/r/n13297N/r/n，遠(yuǎn)大于工作載荷/r/nF/r/nm/r/n=1204N/r/n,/r/n故絲杠不會失穩(wěn)。/r/n綜上所述，初選的滾珠絲杠副滿足使用要求。/r/n綜上所述，初選的滾珠絲杠副滿足使用要求/r/n5/r/n、步進(jìn)電動(dòng)機(jī)減速箱的選用/r/n已知工作臺脈沖當(dāng)量/r/n6/r/n=0.01mm//r/n脈沖，滾珠絲杠導(dǎo)程/r/nPh=4mm/r/n,/r/n初選步進(jìn)電機(jī)步距角/r/n.aP/r/n0.9/r/nx/r/n4/r/n[/r/n7—/r/nh/r/n—/r/n—I/r/ni/r/nH/r/n'/r/n丄/r/na/r/n=0.9/r/n°/r/n，由公式/r/n360/r/n玄/r/n360/r/nx/r/n0/r/n-/r/n01/r/n，傳動(dòng)比為/r/n1/r/n時(shí)達(dá)不到減速的效果，故本次設(shè)/r/n計(jì)不需要減速器。/r/n6/r/n、步進(jìn)電動(dòng)機(jī)的計(jì)算與選型/r/n(/r/n1/r/n)初選步進(jìn)電機(jī)的型號/r/n1/r/n)空載狀態(tài)下電機(jī)轉(zhuǎn)軸所受負(fù)載包括三部分，一部分是電動(dòng)機(jī)空載啟動(dòng)時(shí)折算到轉(zhuǎn)軸上最/r/n大加速度轉(zhuǎn)矩/r/nTmax/r/n,/r/n—部分是移動(dòng)部件運(yùn)動(dòng)時(shí)折算到計(jì)算機(jī)轉(zhuǎn)軸上的摩擦轉(zhuǎn)矩/r/nTf/r/n,/r/n還有一/r/n部分是滾珠絲杠預(yù)緊后折算到電動(dòng)機(jī)轉(zhuǎn)軸上的附加摩擦轉(zhuǎn)矩/r/nT0/r/n,/r/nT0/r/n相對于/r/nTt/r/n和/r/nTf/r/n很小，/r/n可以忽略不計(jì)。則有：/r/nT/r/n=/r/nTa/r/nmax/r/n+/r/nT/r/neq/r/n1/r/nf/r/n1/r/n2/r/nk/r/nJ/r/nn/r/n1/r/nT/r/n—/r/nJ/r/n&/r/n—/r/neq_m/r/n亠八亠/r/na/r/nmax/r/neq/r/nn/r/n60/r/nt/r/n耳/r/n由公式/r/na/r/n'/r/n式中：/r/nJeq/r/n步進(jìn)電動(dòng)機(jī)轉(zhuǎn)軸上的總轉(zhuǎn)動(dòng)慣量，/r/nkg.m2/r/nT/r/n二/r/n匕/r/n二竺±竺/r/nT/r/n二/r/n匕/r/n二竺±竺/r/n二/r/n°.°/r/n05/r/nx/r/n(/r/n376/r/n+/r/n900/r/n)x/r/n°.°/r/n04/r/n./r/n0.0058/r/nNm/r/nf/r/n2/r/n兀/r/nq/r/ni/r/n2/r/n兀/r/nx/r/n0.7/r/nx/r/n1/r/n電動(dòng)機(jī)轉(zhuǎn)速/r/n=625r/min/r/n(2-11/r/n)/r/n&——電動(dòng)機(jī)轉(zhuǎn)軸的角加速度，/r/nrad/s2/r/nnm/r/n電動(dòng)機(jī)轉(zhuǎn)速，/r/nr/min/r/nta/r/n——/r/n電動(dòng)機(jī)加速所用時(shí)間，/r/ns,/r/n—般在/r/n0.3/r/n?/r/nIs/r/n之間選取。/r/n（/r/n這里取/r/n0.4s）/r/nn/r/n總效率，取/r/nn/r/n=0.7/r/nv/r/na/r/n2500/r/nx/r/n0.9/r/n//r/n./r/nn/r/n=F/r/nax/r/n=/r/n=/r/n625/r/nr/mm/r/nm/r/n360/r/n8/r/n360/r/nx/r/n0.01/r/n式中/r/nvmax/r/n空載最快移動(dòng)速度，任務(wù)書指定為/r/n2500mm/min;/r/na/r/n――步進(jìn)電機(jī)步距角，預(yù)選電動(dòng)機(jī)為/r/n0.9/r/n°/r/n8/r/n脈沖當(dāng)量，任務(wù)書指定為/r/n0.01mm/P/r/n由式得/r/n60/r/nx/r/n0.4/r/nx/r/n0.7/r/nT/r/n=/r/n2/r/nx/r/n11.12/r/nx/r/n10/r/n-/r/n4/r/nx/r/n625/r/nn/r/n?/r/nm/r/n沁/r/n0.2599N/r/n?/r/nm/r/n60/r/nx/r/n0.4/r/nx/r/n0.7/r/na/r/nmax/r/n快速空載啟動(dòng)時(shí)折算到電動(dòng)機(jī)轉(zhuǎn)軸上的最大加速轉(zhuǎn)矩/r/n=0.2599Nm/r/n式中:/r/n卩——導(dǎo)軌摩擦因數(shù)（滑動(dòng)導(dǎo)軌取/r/n0.15/r/n?/r/n0.18/r/n）/r/n，/r/n快速空載啟動(dòng)時(shí)折算到電動(dòng)機(jī)轉(zhuǎn)軸上的最大加速轉(zhuǎn)矩/r/n=0.2599Nm/r/n式中:/r/n卩——導(dǎo)軌摩擦因數(shù)（滑動(dòng)導(dǎo)軌取/r/n0.15/r/n?/r/n0.18/r/n）/r/n，/r/n滾動(dòng)導(dǎo)軌取/r/n0.003/r/n?/r/n0.005/r/n）；/r/nFc/r/n——/r/n垂直方向的工作載荷，車削時(shí)為/r/nFc/r/n,/r/n立銑時(shí)為/r/nFz/r/n單位為/r/nN/r/n,/r/n空載時(shí)/r/nFc=0/r/n；/r/nG/r/n運(yùn)動(dòng)部件的總總量，單位為/r/nN/r/nT/r/n=/r/n^/r/nj^-h/r/n0/r/n2/r/n兀/r/nq/r/ni/r/n一/r/n耳/r/n2/r/n)/r/n0/r/n移動(dòng)部件運(yùn)動(dòng)時(shí)折算到電動(dòng)機(jī)轉(zhuǎn)軸上的摩擦轉(zhuǎn)矩/r/n=0.0058Nm/r/n(2-13/r/n)/r/n式中/r/nF/r/n摩——導(dǎo)軌的摩擦力，/r/nN/r/nPh/r/n滾珠絲杠導(dǎo)程，/r/nm/r/nn/r/n——總傳動(dòng)效率，取/r/nn/r/n=0.7/r/ni/r/n總的傳動(dòng)比，/r/ni=nm/ns/r/n，其中/r/nnm/r/n為電動(dòng)機(jī)轉(zhuǎn)速，/r/nns/r/n為絲杠的轉(zhuǎn)速。/r/n卩——導(dǎo)軌摩擦因數(shù)（滑動(dòng)導(dǎo)軌取/r/n0.15/r/n?/r/n0.18/r/n）/r/n，/r/n滾動(dòng)導(dǎo)軌取/r/n0.003/r/n?/r/n0/r/n.005/r/n）；/r/n這里取/r/n0.005/r/nFz/r/n——/r/n垂直方向的工作載荷，空載時(shí)/r/nFz=0/r/n(2-12/r/n)/r/n式中/r/nFYJ/r/n——/r/n滾珠絲杠的預(yù)緊力，一般取滾珠絲杠工作載荷/r/nFm/r/n的/r/n1/3/r/n，單位為/r/nN/r/n；/r/nn/r/n0/r/n——/r/n滾珠絲杠未預(yù)緊時(shí)的傳動(dòng)效率，一般取/r/nn/r/n0/r/n2/r/n0.9/r/n由于滾珠絲杠副的傳動(dòng)效率很高，所以/r/nTO/r/n值一般很小，與/r/nTamax/r/n和/r/nTf/r/n比起來，通常可以忽略不計(jì)。/r/n由式/r/n2-9/r/n得快速空載啟動(dòng)時(shí)電動(dòng)機(jī)轉(zhuǎn)軸所承受的負(fù)載轉(zhuǎn)矩：/r/nT/r/n二/r/nT/r/n+/r/nT/r/n+/r/nT/r/n沁/r/nT/r/n+/r/nT/r/n二/r/n0.2599/r/n+/r/n0.0058/r/n二/r/n0.266N/r/n?/r/nm/r/neq/r/n1/r/namax/r/nf/r/n0amax/r/nf/r/n考慮到不用減速箱，取減速比/r/ni=1/r/n算步距角/r/n360//r/n8/r/nP/r/nh/r/n360/r/nx/r/n1/r/nx/r/n0.01/r/n4/r/n二/r/n0.9/r/n所以初選步進(jìn)電機(jī)型號為/r/n110BYG250A/r/n型,為兩相混合式，由杭州日升電氣設(shè)備有限公司生產(chǎn)，兩相八拍的步距角為/r/n0.9/r/n°。其參數(shù)如下表所示：/r/nI10VAC/r/n(LT/r/n7.5/1/r/n7.2/2/r/n5/r/n.確/r/n4.5/R15/10/r/n2.5/12/r/n11OBYG25OA110BYG250AM/r/n妙/r/n12.3H12,2/2/r/n11U4/r/nlft/6/r/n譏脇/r/n6/104/12/r/n1IDBYG250BI10BYG250BM/r/n110VAC/r/n15.5/115/213/411/6SJ/87/104.5/12/r/n11ftBYG25OCIIOBYG-iSnCM/r/n09/r/nu/r/nIHfll/r/n1/r/n砒/r/n14/412/fi/r/n1/r/n腫/r/n8/LO/r/n別/r/n2/r/n110BYG250D110BYG25CDM/r/n110VAC/r/n18//1/r/n1/r/n砒/r/n14/41V6/r/n1/r/n嘰/r/n8/LO5/1/r/n；/r/n主要蜃數(shù)/r/n步匙甬/r/n0V4.S/r/nD/r/n機(jī)身*/r/n靜力矩/r/n125KE.an/r/n引線數(shù)/r/n5/r/n電涼/r/n6A/r/n電阻/r/n0.1/r/n電感/r/n1.2inH/r/n轉(zhuǎn)動(dòng)慣里/r/nS4Wg.c/r/n儼/r/n定位力逅/r/n0.5kg.cm/r/n重里/r/n9.jkg/r/n滾珠絲杠預(yù)緊后折算到電動(dòng)機(jī)轉(zhuǎn)軸上的附加摩擦轉(zhuǎn)矩/r/n=0（/r/n即忽略/r/n）/r/n快速空載啟動(dòng)時(shí)電動(dòng)機(jī)轉(zhuǎn)軸所承受的負(fù)載轉(zhuǎn)矩/r/n=0.266Nm/r/n產(chǎn)品描述/r/n型尋/r/n廠/r/n—/r/n；/r/nE/r/nT/r/n；/r/ndl/r/n1/r/n；/r/nLI/r/n廠/r/n；/r/nD1/r/nr/r/n—:/r/nh/r/n1/r/n；/r/nH1/r/n:/r/nD2/r/nT/r/n；/r/nL/r/n11/r/n:/r/nL2/r/n；/r/n110ETG250k/r/n:113/r/n1/r/n1/r/n—L/r/n16/r/n:/r/n39/r/n:85/r/n:3/r/n15/r/n:84/r/n:172/r/n:/r/n5.9/r/n110MG250B/r/n:/r/n11Z/r/nr/r/ni/r/ni/r/n_/r/nu/r/n16/r/n:/r/n39/r/n:85/r/n:3/r/n15/r/n:84/r/n:220/r/n:/r/n5.9/r/n110MG250C/r/n:115/r/nr/r/ni/r/ni/r/n16/r/n:39/r/n:85/r/n:3/r/n15/r/n:84/r/n:250/r/n:/r/n5.9/r/n查表得該型號電機(jī)轉(zhuǎn)子的轉(zhuǎn)動(dòng)慣量/r/nJm=/r/n8.4/r/nkg/r/n?/r/nCm/r/n2/r/nT/r/n兀/r/np/r/nd/r/n4/r/nl/r/n兀/r/nx/r/n7.85/r/nx/r/n10/r/n-/r/n3/r/nx/r/n2.5/r/n4/r/nx/r/n78/r/n-/r/n__/r/n7/r/n32/r/nJ/r/n=/r/n=/r/n=/r/n2.35kg/r/n?/r/ncm/r/n2/r/n32/r/ns/r/n32/r/n（式中長度單位均為/r/ncm/r/n）/r/n托板折算到轉(zhuǎn)軸上的總轉(zhuǎn)動(dòng)慣量/r/n2/r/nm/r/n=/r/ni/r/n2/r/nG/r/n=（/r/n0.4/r/n\/r/ng/r/n2/r/nm/r/n=/r/ni/r/n2/r/nG/r/n=（/r/n0.4/r/n\/r/ng/r/nx/r/n=/r/n0.37/r/nkg/r/n?/r/ncm/r/n2/r/n9.8/r/n則步進(jìn)電機(jī)轉(zhuǎn)軸上的總轉(zhuǎn)動(dòng)慣量/r/nJ/r/n=/r/nJ/r/n+/r/nJs/r/n+/r/nJ/r/n=/r/n11.12/r/nkg/r/n./r/ncm/r/n2/r/neq/r/nm/r/nw/r/n2/r/n）最大工作負(fù)載狀態(tài)下電動(dòng)機(jī)轉(zhuǎn)軸所承受的負(fù)載轉(zhuǎn)矩/r/nTeq2/r/nT/r/n=/r/nT/r/n+/r/nT/r/n+/r/nT/r/neq/r/n2/r/ntf/r/n0/r/n（/r/n2-14/r/n）/r/n式中：/r/nTf/r/n和/r/nT0/r/n分別按式/r/n2-11/r/n和/r/n2-13/r/n計(jì)算。/r/n

/r/nTt/r/n――折算到電動(dòng)機(jī)轉(zhuǎn)軸上的最大工作負(fù)載轉(zhuǎn)矩/r/n丁/r/nFP/r/n1088/r/nX/r/n0.004ng"/r/nT/r/n—/r/nf/r/nh/r/n=/r/n沁/r/n0.99N/r/n?/r/nm/r/nt/r/n2/r/n兀/r/nq/r/ni/r/n2/r/n兀/r/nx/r/n0.7/r/nx/r/n1/r/n(/r/n215/r/n)/r/n折算到電動(dòng)機(jī)轉(zhuǎn)軸上的最大工作負(fù)載轉(zhuǎn)矩/r/n=0.99Nm/r/n式中/r/nFf/r/n進(jìn)給方向最大工作載何，單位/r/nN/r/n。/r/n本設(shè)計(jì)對滾珠絲杠進(jìn)行計(jì)算的時(shí)候，已知沿/r/n著絲杠軸線方向的最大進(jìn)給載荷/r/nFx=2802N/r/n。/r/n由式/r/n2-11/r/n得：垂直方向承受最大工作負(fù)載/r/n(Fz=719N)/r/n情況下，移動(dòng)部件運(yùn)動(dòng)時(shí)折算到電動(dòng)機(jī)轉(zhuǎn)軸上的摩擦轉(zhuǎn)矩：/r/n移動(dòng)部件運(yùn)動(dòng)時(shí)折算到電動(dòng)機(jī)轉(zhuǎn)軸上的摩擦/r/n轉(zhuǎn)/r/n矩/r/n=0.007Nm/r/nFP/r/n口/r/n(/r/nF/r/n+/r/nG/r/n)/r/nP/r/n0.005/r/nx/r/n(/r/n376/r/n+/r/n900/r/n)/r/nx/r/n0.004/r/nf/r/n2/r/n兀/r/nq/r/ni/r/n2/r/n兀/r/nq/r/ni/r/n2/r/n兀/r/nx/r/n0.7/r/nx/r/n1/r/n則由式/r/n2-14/r/n得：/r/n最大工作負(fù)載/r/nT/r/n—/r/nT/r/n+/r/nT/r/n+/r/nT/r/nu/r/nT/r/n+/r/nT/r/n—/r/n0.997N/r/ngm/r/n狀態(tài)下電動(dòng)機(jī)/r/neq/r/n2/r/nt/r/nf/r/n0/r/nt/r/nf/r/n轉(zhuǎn)軸所承受的/r/n綜上計(jì)算，得到加在步進(jìn)電動(dòng)機(jī)轉(zhuǎn)軸上的最大等效負(fù)載轉(zhuǎn)矩應(yīng)為：/r/n負(fù)載轉(zhuǎn)矩/r/nT/r/n—/r/nmax/r/n{/r/nt/r/n,/r/nT/r/n}/r/n—/r/n0.997/r/nN/r/ng/r/nm/r/nT/r/neq/r/n=/r/n0/r/n./r/n997Nm/r/n綜上計(jì)算，得到/r/neq/r/neq/r/n1/r/neq/r/n2/r/n加在步進(jìn)電動(dòng)機(jī)轉(zhuǎn)軸上的最大等效負(fù)載轉(zhuǎn)矩應(yīng)為：/r/n0.997Nm/r/n(/r/n3/r/n)/r/n步進(jìn)電機(jī)最大靜轉(zhuǎn)矩的選定/r/n考慮到步進(jìn)電動(dòng)機(jī)的驅(qū)動(dòng)電源受電網(wǎng)電壓影響較大，當(dāng)輸入電壓降低時(shí)，其輸出轉(zhuǎn)矩會下降，可能造成丟步，甚至堵轉(zhuǎn)。因此，根據(jù)/r/nTeq/r/n選擇步進(jìn)電動(dòng)機(jī)的最大靜轉(zhuǎn)矩時(shí)，需要考慮安全系數(shù)。這里取安全系數(shù)/r/nK=4/r/n,/r/n則步進(jìn)電動(dòng)機(jī)的最大靜轉(zhuǎn)矩應(yīng)滿足：/r/nT/r/n>/r/n4T/r/n—/r/n4/r/nx/r/n0.997/r/n—/r/n3.988/r/nNgn/r/nj/r/nmax/r/neq/r/n步進(jìn)電機(jī)最大/r/n上述初選的步進(jìn)電動(dòng)機(jī)型號為/r/n110BYG250A/r/n,/r/n由附件/r/n4/r/n表/r/n4-5/r/n查得該型號電動(dòng)機(jī)的最大靜轉(zhuǎn)/r/n靜轉(zhuǎn)矩滿足要求。/r/nT/r/n—/r/n125/r/nNgm/r/n矩/r/nj/r/nmax/r/n。可見，滿足要求。/r/n(/r/n4/r/n)步進(jìn)電機(jī)性能校核/r/n1/r/n)最快工作速度時(shí)電動(dòng)機(jī)輸出轉(zhuǎn)矩校核/r/n

/r/n任務(wù)書給定工作臺最快加工進(jìn)給速度/r/nV/r/nmax/r/n//r/n二/r/n400/r/nmm/r/n/min/r/n，脈沖當(dāng)量/r/n2/r/n0/r/n-/r/n任務(wù)書給定工作臺最快加工進(jìn)給速度/r/nV/r/nmax/r/n//r/n二/r/n400/r/nmm/r/n/min/r/n，脈沖當(dāng)量/r/n2/r/n0/r/n-/r/n01/r/nmm/r/n//r/nP/r/n，則電動(dòng)機(jī)對應(yīng)的運(yùn)行頻率為：/r/nmax/r/nf/r/nv/r/n400/r/nmax/r/nf/r/n—/r/n60/r/nS/r/n60/r/nx/r/n0.01/r/n沁/r/n666.67/r/nHz/r/n矩頻特性曲線圖/r/nG0VDC/r/n丄臥/r/nB/r/n半曲怕流新渡嶇動(dòng)）/r/nfCHz)/r/n最快工作速度時(shí)電動(dòng)機(jī)輸出轉(zhuǎn)矩滿足要求。/r/n從圖/r/n2-2/r/n查得，在此頻率下，電動(dòng)機(jī)的輸出轉(zhuǎn)矩/r/nTmaxf=17Nm/r/n,/r/n大于最大工作負(fù)載轉(zhuǎn)矩/r/nTeq2=0.997Nm/r/n,/r/n滿足要求。/r/n2/r/n）最快空載移動(dòng)時(shí)電動(dòng)機(jī)輸出轉(zhuǎn)矩校核/r/n任務(wù)書給定工作臺最快空載移動(dòng)速度/r/nV/r/nmax/r/n—/r/n2500/r/nmm/r/n/min/r/n，則電動(dòng)機(jī)對應(yīng)的運(yùn)行頻率為:/r/n?/r/n—九—/r/n2500/r/n—/r/n4167/r/nHz/r/nmax/r/n60/r/nS/r/n60/r/nX/r/n0.01/r/n從圖/r/n2-2/r/n查得，在此頻率下，電動(dòng)機(jī)的輸出轉(zhuǎn)矩/r/nTmax=9Nm/r/n,/r/n大于快速空載啟動(dòng)時(shí)的負(fù)載轉(zhuǎn)矩/r/nTeq1=0.266Nm/r/n,/r/n滿足要求。/r/n3/r/n）最快空載移動(dòng)時(shí)電動(dòng)機(jī)運(yùn)行頻率校核/r/n與最快空載移動(dòng)速度/r/nv/r/nmax/r/n—/r/n2500/r/nmm/r/n/min/r/n對應(yīng)的電動(dòng)機(jī)運(yùn)行頻率可達(dá)/r/n4167Hz/r/n。/r/n查附件/r/n4/r/n最快空載移動(dòng)時(shí)電動(dòng)機(jī)輸出轉(zhuǎn)矩校核滿足要求/r/n最快空載移動(dòng)時(shí)電動(dòng)機(jī)運(yùn)行頻率校核滿足要求/r/n表/r/n4-5/r/n可知/r/n110BYG250A/r/n電動(dòng)機(jī)的空載運(yùn)行頻率超過/r/n20000Hz/r/n，可見沒有超出上限。/r/n

/r/n最快空載移動(dòng)時(shí)電動(dòng)機(jī)輸出轉(zhuǎn)矩校核滿足要求/r/n最快空載移動(dòng)時(shí)電動(dòng)機(jī)運(yùn)行頻率校核滿足要求/r/n4/r/n）起動(dòng)頻率計(jì)算/r/n已知電動(dòng)機(jī)轉(zhuǎn)軸上的總轉(zhuǎn)動(dòng)慣量/r/nJ/r/neq/r/n=/r/n11.12/r/nkg/r/n./r/nCm/r/n,電動(dòng)機(jī)轉(zhuǎn)子的轉(zhuǎn)動(dòng)慣量/r/nJ/r/nm/r/n'A/r/nkg/r/n'/r/nCm/r/n2/r/n，電動(dòng)機(jī)轉(zhuǎn)軸不帶任何負(fù)載時(shí)的空載啟動(dòng)頻率/r/nf/r/nq/r/n6000/r/nHZ/r/n（查附件/r/n4/r/n表/r/n4-5/r/n）。則可以求出步進(jìn)電動(dòng)機(jī)克服慣性負(fù)載的啟動(dòng)頻率：/r/nf/r/nf/r/n4/r/n3936/r/nHz/r/nl/r/nJ1/r/n+/r/nJ/r/n//r/nJ/r/n*/r/neq/r/nm/r/n因此，要保證步進(jìn)電動(dòng)機(jī)啟動(dòng)時(shí)不失步，任何時(shí)候的啟動(dòng)頻率都必須小于/r/n3936Hz/r/n。/r/n實(shí)際上，在米用軟件升降頻時(shí)，啟動(dòng)頻率選的更低，通常只有/r/n100Hz/r/n。/r/n綜上所述，工作臺選用/r/n110BYG250A/r/n電動(dòng)機(jī)完全滿足設(shè)計(jì)要求。/r/n110BYG250A/r/n電動(dòng)機(jī)完全滿足設(shè)計(jì)要求/r/n7/r/n、增量式旋轉(zhuǎn)編碼器的選用/r/n本設(shè)計(jì)步進(jìn)電機(jī)采用半閉環(huán)控制，在電機(jī)尾座軸上安裝增量式旋轉(zhuǎn)編碼器，用于檢測步進(jìn)電機(jī)的轉(zhuǎn)角與轉(zhuǎn)速，電動(dòng)機(jī)步距角/r/nQ/r/n-/r/n°/r/n.9/r/n°/r/n，可知電動(dòng)機(jī)轉(zhuǎn)動(dòng)一轉(zhuǎn)時(shí)系統(tǒng)發(fā)出/r/n360/0.9=400/r/n個(gè)步進(jìn)脈沖，電動(dòng)機(jī)轉(zhuǎn)過一個(gè)步距角，編碼器對應(yīng)輸出一個(gè)脈沖信號。/r/n本例選擇編碼器型號為/r/nZLK-A-400-05V0-16H:/r/n盤狀空心型，孔徑/r/n16mm/r/n,/r/n與電動(dòng)機(jī)尾部出軸相匹配，電源電壓/r/n+5V/r/n，/r/n每轉(zhuǎn)輸出/r/n400/r/n個(gè)/r/nA/B/r/n脈沖，，信號為電壓輸出，生產(chǎn)廠家為長春光機(jī)數(shù)顯有限公司。/r/n編碼器型號為/r/nZLK-A-400-05/r/nVO-16H/r/n:/r/n盤狀空/r/n心型/r/n8/r/n、步進(jìn)電機(jī)驅(qū)動(dòng)器的選擇/r/n本設(shè)計(jì)選擇的步進(jìn)電機(jī)為/r/n110BYG250A/r/n型,生產(chǎn)廠家為杭州日升電氣設(shè)備有限公司，根據(jù)廠家推薦其，配套型號的步進(jìn)電機(jī)驅(qū)動(dòng)器為/r/nHB206S/r/n兩相混合式步進(jìn)電機(jī)驅(qū)動(dòng)器，其主要參數(shù)及接線圖如下所示：/r/n步進(jìn)電機(jī)驅(qū)動(dòng)器選擇/r/nHB206S/r/n兩相混合式步進(jìn)電機(jī)驅(qū)動(dòng)器/r/n兩相混合式步迸電機(jī)驅(qū)動(dòng)器/r/n呃動(dòng)器型號/r/n輸出相電逾/r/n供電電煩/r/n運(yùn)行拍敎（歩/齒）/r/n外型尺寸/r/n（mm）/r/n適配電機(jī)/r/n備注/r/n點(diǎn)擊查看/r/nHB202A/r/nC2A/r/nDC1236V/r/n4/8/r/n132*75*35/r/n35/r/n、/r/n42/r/n■■5T/r/n肌/r/nG/r/n系列兩弔混舍/r/n式步進(jìn)旦機(jī)/r/nHB202M/r/n<2A/r/nDC124LIV/r/n256/20VI60/128/100/r/n/80/B4/50/40/32/r/n725/20/16/10/8/4/r/n132*75*35/r/n35/r/nx/r/n42/r/n./r/n57/r/n旳/r/nG/r/n系列兩相混臺式步進(jìn)旦機(jī)/r/n細(xì)分/r/nHB203S/r/n<3A/r/nAC205LIV/r/n或/r/nDC247LIV/r/n256/20D//r/n160/1/r/n3S//r/n100/80/64/50/40/32/r/n/25/20/16//r/n10/8/4/r/n183*1^12*35/r/n42X57/r/n-h/r/n86/r/nBYG/r/n系列兩相混合式歩遊電機(jī)/r/n正弦波電流細(xì)分/r/n逼/r/nHB204A/r/n<4A/r/nAC24-40V/r/n4/8/16/r/n168*1<2*35/r/n胎、/r/ngn/r/n、/r/n1/r/nm/r/n肌/r/nG/r/n系列兩咱混臺式步進(jìn)旦機(jī)/r/nHB205S/r/n<6A/r/nAC24--5DV/r/n或/r/nDC36--70V/r/n25C/20V1C0/1ZC/100/80/B4/50/40/32/r/n725/20/16/10/8/4/r/n183*1^12*35/r/nCC/r/n90/r/nH/r/n110/r/nBYG/r/n系列兩相混舍式步遊電機(jī)/r/n正弦波電流細(xì)分/r/n聲/r/nHB206S/r/n<6A/r/nAJC24—50V/r/n或/r/nDC36--70V/r/n256/200/160/1/r/n3S//r/n100/r/n/80/B4/50/40/32/r/n725/20/16/10/8/4/r/n158*55*87/r/nbb.yu-nnuBYG/r/n系列兩相混舍式步遊電機(jī)/r/n正弦波電流細(xì)分/r/nHB206SH/r/n高壓型/r/n<6A/r/nAC24—U0V/r/n或/r/nDC3615UV/r/n256/203/144/128/100/r/n/72/B4/40/36/32/r/n724/20/16/10/8/4/r/n158*55*87/r/n86/r/n.90x/r/n110/r/nBYG/r/n系列兩相混舍式步遊電機(jī)/r/n正弦波電流細(xì)分/r/n查看/r/nHB206A/r/n<6A/r/nAC40—U0V/r/n4/8/r/n245+153+78/r/n86/r/n、/r/n90/r/n、/r/n110/r/n航系列兩相混臺式步進(jìn)電機(jī)/r/na/r/nHB208A/r/n<8A/r/nAC11022LIV/r/n4/8/r/n276*100*86/r/n110/r/n、/r/n130/r/n./r/n150/r/n肌/r/nG/r/n系列兩咱混合弍歩講曰■機(jī)/r/na/r/nHB208SN/r/n<8A/r/nAC110--220V/r/n(40-^110VpJ/r/n定制)/r/n256/20VI60/128/100/80/64/50/40/32/r/n/25/20/16//r/n10/8/4/r/n245*153*78/r/n110.130./r/n150/r/n肌/r/nG/r/n系列兩咱混合社歩講曰.機(jī)/r/n正弦波電流細(xì)分/r/n查看/r/n二、適配電機(jī)/r/n86./r/n90/r/nx11OBYG/r/n系列兩相混合式歩進(jìn)電機(jī)/r/n三、輸入輸出端子/r/n端子標(biāo)記/r/n功能/r/n［明/r/nCP+/r/n步進(jìn)脈洞/r/n3/r/n信號正輸人餉/r/n光耦幵通沿有敕，最小脈寬加/r/n2/r/nCP-/r/n步曲/r/nm/r/n」信號員始人端/r/nDIR+/r/n■1/r/n信號正輸人端/r/n光耦關(guān)斷時(shí)為正轉(zhuǎn)，幵通時(shí)為反轉(zhuǎn)/r/nDIR-/r/nh/r/nn/r/nJ:/r/n:/r/nE/r/n二上帀/r/nj/r/n信號員希人端/r/nFREE+/r/n脫/r/n機(jī)/r/n7/r/n上帀/r/nj/r/n信號正輸人端/r/n光輻開通時(shí)輸出電流為5電機(jī)無鎖定轉(zhuǎn)矩/r/nFREE-/r/n脫/r/n機(jī)/r/n0/r/ni/r/n工帀/r/nj/r/n信號員輸入踹/r/nP01VER/r/n電源/r/n2/r/n■F-./r/n—/r/n治小/r/n電^^正常時(shí)發(fā)光菅亮（紅色）/r/nTIMING/r/n相丿宗點(diǎn)指示/r/n相丿宗點(diǎn)時(shí)發(fā)光管亮（綠色）/r/nERROR/r/n故障指乎/r/n驅(qū)動(dòng)器故障時(shí)發(fā)光管亮（紅色）/r/nA/r/n目頭輸出/r/n/A/r/n目屋輸/r/nL/r/n-U/r/nB/r/n目頭*俞/r/n1/r/n-L-I/r/n/B/r/n目尾輸/r/nL/r/n_」/r/n-U/r/nAC40V/r/n電源輸入/r/n額走電壓/r/nAC40V/r/n(/r/nAC/r/n24—50/r/nV°^DC/r/n36/r/nV—/r/n70V),/r/n3A/r/n七/r/n?/r/n砸件連接/r/n聯(lián)軸器選擇/r/n聯(lián)軸器選擇/r/nLK4/r/n十字滑塊聯(lián)軸器。/r/n9/r/n、聯(lián)軸器的選擇/r/n由于十字滑臺的工作轉(zhuǎn)速比較低，沖擊低，為了提高精度穩(wěn)定性選用可以補(bǔ)償微小平行位移和角位移的十字滑塊聯(lián)軸器，這里選用廣州菱科自動(dòng)化設(shè)備有限公司生產(chǎn)的/r/nLK4/r/n