快猫下载地址-应用汇在线免费安装

蝸輪蝸桿齒輪組合機構的傳動精度分析

以MCH50加工(gong)中(zhong)心回轉工(gong)作臺為對象(xiang)，考慮加工(gong)誤差、偏心誤差、相位角、負載與變形等(deng)因素建立了組合機構的(de)傳(chuan)(chuan)動(dong)精(jing)度(du)模型(xing)。通過實例計算，驗證了該綜合傳(chuan)(chuan)動(dong)誤差與實驗所測結果基(ji)本一致(zhi)。在此(ci)基(ji)礎上，分析了二級(ji)組合機構中(zhong)傳(chuan)(chuan)動(dong)比以及齒輪傳(chuan)(chuan)動(dong)中(zhong)心距等(deng)對傳(chuan)(chuan)動(dong)精(jing)度(du)的(de)影響。

2017-07-21

自動消除齒輪齒條齒側間隙的機構設計

齒(chi)(chi)(chi)輪齒(chi)(chi)(chi)條穿洞中往往存在齒(chi)(chi)(chi)側間隙，為了(le)傳(chuan)動(dong)機(ji)構(gou)的雙向(xiang)傳(chuan)動(dong)精度必須消(xiao)除間隙。設計(ji)了(le)一(yi)(yi)種通(tong)過絲杠螺母(mu)機(ji)構(gou)軸(zhou)向(xiang)的相對(dui)位(wei)移來帶動(dong)與(yu)齒(chi)(chi)(chi)輪相嚙合的兩個齒(chi)(chi)(chi)條，使兩齒(chi)(chi)(chi)條出現一(yi)(yi)個軸(zhou)向(xiang)的相對(dui)位(wei)移，即兩齒(chi)(chi)(chi)條錯齒(chi)(chi)(chi)，使當量齒(chi)(chi)(chi)厚增大，從而(er)自(zi)動(dong)消(xiao)除齒(chi)(chi)(chi)側間隙的機(ji)構(gou)。該機(ji)構(gou)已成功(gong)應(ying)用于齒(chi)(chi)(chi)輪齒(chi)(chi)(chi)條傳(chuan)動(dong)的回(hui)轉工作臺，結構(gou)簡單、傳(chuan)動(dong)精度高、效果顯著(zhu)。

2017-07-15

RV精密減速器綜合參數測量機的研制

研制一臺RV精密減(jian)速器綜合性能參數測(ce)(ce)(ce)量機，實現對(dui)RV減(jian)速器傳動(dong)誤(wu)差、回差、剛度和摩(mo)擦力矩(ju)等(deng)參數的測(ce)(ce)(ce)量。儀器主要(yao)由(you)機械(xie)結(jie)構(gou)設計(ji)、測(ce)(ce)(ce)控系統和測(ce)(ce)(ce)量軟件(jian)構(gou)成，通過一次(ci)裝(zhuang)夾(jia)可(ke)以快速、準(zhun)確地(di)獲得(de)RV減(jian)速器的多項參數。機械(xie)結(jie)構(gou)設計(ji)主要(yao)包括基座、輸(shu)入組(zu)件(jian)、輸(shu)出(chu)組(zu)件(jian)和RV減(jian)速器安裝(zhuang)支(zhi)架組(zu)成。

2017-07-11

基于ADAMS的主動齒輪軸承安裝距的振動性能研究

以某微車后橋(qiao)主(zhu)減速器主(zhu)、被(bei)動(dong)齒軸(zhou)承(cheng)(cheng)安(an)裝距(ju)引起后橋(qiao)振(zhen)動(dong)為研究對象，為了優(you)化主(zhu)、被(bei)動(dong)齒軸(zhou)承(cheng)(cheng)安(an)裝距(ju)對振(zhen)動(dong)噪聲(sheng)的影響和提主(zhu)、被(bei)動(dong)齒軸(zhou)承(cheng)(cheng)使用壽命。通過三維建模和ADAMS動(dong)力學仿真，將(jiang)不(bu)同安(an)裝距(ju)在不(bu)同轉速下分別進行(xing)仿真分析

2017-06-29

雙軸跟蹤裝置方位角齒輪系統接觸強度分析

設(she)計了(le)(le)一(yi)種內置式碟式太(tai)陽能方(fang)位(wei)角跟蹤(zong)裝置，建立了(le)(le)其方(fang)位(wei)角齒輪(lun)傳(chuan)動(dong)(dong)(dong)系(xi)統(tong)的(de)UG三維模(mo)型，分(fen)(fen)析(xi)并(bing)確定了(le)(le)相應的(de)約束條件及(ji)風(feng)載(zai)作用下系(xi)統(tong)的(de)載(zai)荷，基于 Worbench 仿真環境對齒輪(lun)傳(chuan)動(dong)(dong)(dong)系(xi)統(tong)進(jin)行(xing)了(le)(le)有限元分(fen)(fen)析(xi)，得到了(le)(le)齒輪(lun)傳(chuan)動(dong)(dong)(dong)系(xi)統(tong)的(de)整體應力分(fen)(fen)布狀(zhuang)況及(ji)其它重要特性(xing)，并(bing)用赫磁(ci)理論(lun)進(jin)行(xing)了(le)(le)驗證。所作研(yan)究未雙軸跟蹤(zong)裝置齒輪(lun)傳(chuan)動(dong)(dong)(dong)系(xi)統(tong)的(de)設(she)計及(ji)動(dong)(dong)(dong)態(tai)分(fen)(fen)析(xi)提供了(le)(le)一(yi)定的(de)參(can)考和(he)依(yi)據。

2017-06-28

弧齒錐齒輪與擺線齒錐齒輪模型及齒面比較

針對(dui)弧齒(chi)(chi)(chi)(chi)等(deng)錐(zhui)齒(chi)(chi)(chi)(chi)輪和擺(bai)線(xian)等(deng)齒(chi)(chi)(chi)(chi)錐(zhui)齒(chi)(chi)(chi)(chi)輪這兩種(zhong)(zhong)齒(chi)(chi)(chi)(chi)制，構建了(le)(le)統(tong)(tong)一數(shu)學模(mo)型(xing)，并進(jin)行(xing)了(le)(le)齒(chi)(chi)(chi)(chi)面比(bi)較。先對(dui)這兩種(zhong)(zhong)齒(chi)(chi)(chi)(chi)制加工(gong)刀盤(pan)結(jie)構進(jin)行(xing)了(le)(le)分(fen)(fen)析，建立了(le)(le)統(tong)(tong)一的(de)(de)刀盤(pan)數(shu)學模(mo)型(xing)。其次，分(fen)(fen)析了(le)(le)這兩種(zhong)(zhong)齒(chi)(chi)(chi)(chi)制的(de)(de)加工(gong)過程，建立了(le)(le)統(tong)(tong)一的(de)(de)切(qie)齒(chi)(chi)(chi)(chi)加工(gong)數(shu)學模(mo)型(xing)。在(zai)求解出(chu)齒(chi)(chi)(chi)(chi)面的(de)(de)基礎上，從(cong)齒(chi)(chi)(chi)(chi)線(xian)螺旋角及齒(chi)(chi)(chi)(chi)面拓撲形(xing)貌(mao)兩個方面對(dui)弧齒(chi)(chi)(chi)(chi)錐(zhui)齒(chi)(chi)(chi)(chi)輪和擺(bai)線(xian)等(deng)齒(chi)(chi)(chi)(chi)錐(zhui)齒(chi)(chi)(chi)(chi)輪的(de)(de)齒(chi)(chi)(chi)(chi)面幾(ji)何(he)進(jin)行(xing)了(le)(le)比(bi)較分(fen)(fen)析。為(wei)弧齒(chi)(chi)(chi)(chi)銑(xian)刀粗切(qie)擺(bai)線(xian)齒(chi)(chi)(chi)(chi)提供理論指導(dao)。

2017-06-23

自動消除齒輪齒條側間隙的結構設計

齒(chi)(chi)輪齒(chi)(chi)條傳(chuan)動(dong)(dong)(dong)中往往存在齒(chi)(chi)側間隙(xi)，為傳(chuan)動(dong)(dong)(dong)機(ji)(ji)(ji)構(gou)(gou)的(de)(de)雙(shuang)向傳(chuan)動(dong)(dong)(dong)精度(du)必(bi)須(xu)消除間隙(xi)。設計(ji)了(le)一(yi)種通過絲杠(gang)螺母機(ji)(ji)(ji)構(gou)(gou)軸向的(de)(de)相對位移(yi)來帶(dai)動(dong)(dong)(dong)與齒(chi)(chi)輪相嚙合的(de)(de)兩個齒(chi)(chi)條，使兩齒(chi)(chi)條出現一(yi)個軸向的(de)(de)相對位移(yi)，即兩齒(chi)(chi)條錯齒(chi)(chi)，使當(dang)量齒(chi)(chi)厚增大，從而自動(dong)(dong)(dong)消除齒(chi)(chi)側間隙(xi)的(de)(de)機(ji)(ji)(ji)構(gou)(gou)。該機(ji)(ji)(ji)構(gou)(gou)已成功應(ying)用(yong)于(yu)齒(chi)(chi)輪齒(chi)(chi)條傳(chuan)動(dong)(dong)(dong)的(de)(de)回轉(zhuan)工作臺，結構(gou)(gou)簡(jian)單、傳(chuan)動(dong)(dong)(dong)精度(du)高、效果(guo)顯著。

2017-06-22

齒輪減速機小波動降噪與RSSD的滾動軸承故障特征

齒輪減速機滾動軸承故障(zhang)振(zhen)動信號呈現出(chu)非線(xian)性(xing)、非平穩(wen)性(xing)及降噪背景較(jiao)強等(deng)特(te)(te)點(dian)，為了有效提(ti)取故障(zhang)特(te)(te)征(zheng)，提(ti)出(chu)一種(zhong)小波降噪與(yu)共振(zhen)稀(xi)疏分(fen)(fen)(fen)(fen)解（Resonance-based sparse signal decomposition,RSSD)相結合的(de)振(zhen)動信號特(te)(te)征(zheng)提(ti)取技術。共振(zhen)稀(xi)疏分(fen)(fen)(fen)(fen)解是基于品質(zhi)因子可調小波變換與(yu)形態分(fen)(fen)(fen)(fen)量(liang)分(fen)(fen)(fen)(fen)析的(de)一種(zhong)新(xin)的(de)信號分(fen)(fen)(fen)(fen)解方法，與(yu)常規的(de)基于頻帶劃分(fen)(fen)(fen)(fen)的(de)信號分(fen)(fen)(fen)(fen)解方法不(bu)同，它依據(ju)信號各(ge)分(fen)(fen)(fen)(fen)量(liang)的(de)震蕩形態不(bu)同對信號進行分(fen)(fen)(fen)(fen)解

2017-06-16

減速機的減速比怎么定制？

減(jian)速(su)比(bi)(bi)，即(ji)減(jian)速(su)裝(zhuang)置的(de)傳動比(bi)(bi)，是(shi)傳動比(bi)(bi)的(de)一(yi)種，是(shi)指減(jian)速(su)機(ji)構中瞬時輸(shu)(shu)(shu)(shu)入速(su)度(du)與輸(shu)(shu)(shu)(shu)出(chu)速(su)度(du)的(de)比(bi)(bi)值，一(yi)般減(jian)速(su)比(bi)(bi)的(de)表示方法是(shi)以(yi)1為分母，用“:”連接的(de)輸(shu)(shu)(shu)(shu)入轉(zhuan)速(su)和輸(shu)(shu)(shu)(shu)出(chu)轉(zhuan)速(su)的(de)比(bi)(bi)值。

2017-06-08

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