快猫下载地址

齒輪行星架的技術要求

齒輪行星(xing)(xing)架設(she)計(ji)制造過程中的(de)(de)技術要求如下：1）中心(xin)距(ju)偏(pian)差(cha)(cha)(cha)(cha)。行星(xing)(xing)架上各行星(xing)(xing)輪軸孔(kong)與行星(xing)(xing)架基準(zhun)軸線的(de)(de)中心(xin)距(ju)偏(pian)差(cha)(cha)(cha)(cha)將引(yin)起(qi)行星(xing)(xing)輪徑向(xiang)位移(yi)而(er)影(ying)(ying)響(xiang)傳(chuan)動側(ce)隙(xi)，且(qie)當各中心(xin)距(ju)偏(pian)差(cha)(cha)(cha)(cha)數值和方向(xiang)不同(tong)時，要影(ying)(ying)響(xiang)相鄰(lin)行星(xing)(xing)軸孔(kong)之間的(de)(de)相對弦距(ju)誤差(cha)(cha)(cha)(cha)的(de)(de)測(ce)量值，因(yin)此會影(ying)(ying)響(xiang)行星(xing)(xing)輪均(jun)(jun)載。為此，要求各中心(xin)距(ju)的(de)(de)偏(pian)差(cha)(cha)(cha)(cha)等值同(tong)向(xiang)，即各中心(xin)距(ju)之間的(de)(de)相對誤差(cha)(cha)(cha)(cha)等于或接(jie)近于零，一般控制在0.01！0.02mm；2）相鄰(lin)行星(xing)(xing)輪軸孔(kong)距(ju)偏(pian)差(cha)(cha)(cha)(cha)。相鄰(lin)行星(xing)(xing)輪軸孔(kong)距(ju)偏(pian)差(cha)(cha)(cha)(cha)是(shi)對各行星(xing)(xing)輪間載荷分(fen)配(pei)均(jun)(jun)衡性(xing)影(ying)(ying)響(xiang)較大的(de)(de)因(yin)素，必須嚴格控制；3）浮動性(xing)的(de)(de)軸向(xiang)間隙(xi)。對于采用均(jun)(jun)載機構(gou)(gou)為幾班構(gou)(gou)件(jian)浮動的(de)(de)行星(xing)(xing)傳(chuan)動......

[ 04-17 10:21 ]

漸開線(xian)齒(chi)輪齒(chi)數行星傳動(dong)參數的確定(ding)

漸開線齒(chi)輪(lun)(lun)(lun)(lun)齒(chi)數(shu)行(xing)(xing)星(xing)(xing)(xing)傳(chuan)(chuan)動(dong)參數(shu)的(de)(de)確定行(xing)(xing)星(xing)(xing)(xing)傳(chuan)(chuan)動(dong)中，齒(chi)輪(lun)(lun)(lun)(lun)的(de)(de)齒(chi)數(shu)及行(xing)(xing)星(xing)(xing)(xing)輪(lun)(lun)(lun)(lun)數(shu)應滿足下(xia)述條件(jian)(jian)：1）傳(chuan)(chuan)動(dong)比(bi)條件(jian)(jian)。實現給定的(de)(de)傳(chuan)(chuan)動(dong)比(bi)；2）同心條件(jian)(jian)。中心輪(lun)(lun)(lun)(lun)和行(xing)(xing)星(xing)(xing)(xing)架(jia)軸線重合(he)條件(jian)(jian)下(xia)的(de)(de)正確嚙合(he)，為(wei)此各對(dui)嚙合(he)齒(chi)輪(lun)(lun)(lun)(lun)間(jian)的(de)(de)中心距必須(xu)相等；3）裝(zhuang)配條件(jian)(jian)。各行(xing)(xing)星(xing)(xing)(xing)輪(lun)(lun)(lun)(lun)能均(jun)布(bu)地安裝(zhuang)與兩中心齒(chi)輪(lun)(lun)(lun)(lun)之間(jian)。為(wei)此，各輪(lun)(lun)(lun)(lun)齒(chi)數(shu)與行(xing)(xing)星(xing)(xing)(xing)輪(lun)(lun)(lun)(lun)個數(shu)必須(xu)要(yao)滿足裝(zhuang)配條件(jian)(jian)，否則，當個行(xing)(xing)星(xing)(xing)(xing)輪(lun)(lun)(lun)(lun)裝(zhuang)入嚙合(he)位置后，其他(ta)幾個行(xing)(xing)星(xing)(xing)(xing)輪(lun)(lun)(lun)(lun)裝(zhuang)不進(jin)去(qu)；4）鄰(lin)(lin)接條件(jian)(jian)。相鄰(lin)(lin)兩行(xing)(xing)星(xing)(xing)(xing)輪(lun)(lun)(lun)(lun)的(de)(de)齒(chi)不相碰。設計行(xing)(xing)星(xing)(xing)(xing)傳(chuan)(chuan)動(dong)。齒(chi)數(shu)及行(xing)(xing)星(xing)(xing)(xing)輪(lun)(lun)(lun)(lun)數(shu)的(de)(de)確定除(chu)滿足上述四個條件(jian)(jian)外，還需滿足其他(ta)一些(xie)附加條件(jian)(jian)。例如，告(gao)訴重載的(de)(de)行(xing)(xing)星(xing)(xing)(xing)......

[ 04-16 16:07 ]

錐齒輪和準雙曲面齒輪的(de)分類

錐(zhui)(zhui)齒(chi)(chi)(chi)輪(lun)(lun)和(he)準雙曲面(mian)(mian)(mian)齒(chi)(chi)(chi)輪(lun)(lun)按冠(guan)(guan)輪(lun)(lun)齒(chi)(chi)(chi)線(xian)(xian)(xian)形狀分(fen)(fen)(fen)類。常用的直(zhi)(zhi)(zhi)(zhi)線(xian)(xian)(xian)刀(dao)(dao)刃(ren)相對(dui)于冠(guan)(guan)輪(lun)(lun)的切削(xue)運(yun)動形成的軌跡曲面(mian)(mian)(mian)為冠(guan)(guan)輪(lun)(lun)產形面(mian)(mian)(mian)；產形面(mian)(mian)(mian)與分(fen)(fen)(fen)度平面(mian)(mian)(mian)的交(jiao)線(xian)(xian)(xian)為冠(guan)(guan)輪(lun)(lun)齒(chi)(chi)(chi)線(xian)(xian)(xian)，按冠(guan)(guan)輪(lun)(lun)齒(chi)(chi)(chi)線(xian)(xian)(xian)把錐(zhui)(zhui)齒(chi)(chi)(chi)輪(lun)(lun)和(he)準雙面(mian)(mian)(mian)齒(chi)(chi)(chi)輪(lun)(lun)分(fen)(fen)(fen)成四(si)種齒(chi)(chi)(chi)形。1）直(zhi)(zhi)(zhi)(zhi)齒(chi)(chi)(chi)。刀(dao)(dao)叉(cha)作(zuo)直(zhi)(zhi)(zhi)(zhi)線(xian)(xian)(xian)運(yun)動，產形輪(lun)(lun)的直(zhi)(zhi)(zhi)(zhi)齒(chi)(chi)(chi)線(xian)(xian)(xian)通過冠(guan)(guan)輪(lun)(lun)中心(xin)，加(jia)工出(chu)直(zhi)(zhi)(zhi)(zhi)齒(chi)(chi)(chi)錐(zhui)(zhui)齒(chi)(chi)(chi)輪(lun)(lun)；2）斜齒(chi)(chi)(chi)。刀(dao)(dao)刃(ren)作(zuo)直(zhi)(zhi)(zhi)(zhi)線(xian)(xian)(xian)運(yun)動，冠(guan)(guan)輪(lun)(lun)直(zhi)(zhi)(zhi)(zhi)齒(chi)(chi)(chi)線(xian)(xian)(xian)切于分(fen)(fen)(fen)度平面(mian)(mian)(mian)上(shang)與冠(guan)(guan)輪(lun)(lun)同心(xin)的一個圓，加(jia)工出(chu)斜齒(chi)(chi)(chi)錐(zhui)(zhui)齒(chi)(chi)(chi)輪(lun)(lun)；3）弧(hu)齒(chi)(chi)(chi)。銑刀(dao)(dao)盤直(zhi)(zhi)(zhi)(zhi)線(xian)(xian)(xian)刀(dao)(dao)刃(ren)形成的刃(ren)錐(zhui)(zhui)面(mian)(mian)(mian)與冠(guan)(guan)輪(lun)(lun)分(fen)(fen)(fen)度平面(mian)(mian)(mian)的交(jiao)線(xian)(xian)(xian)為圓弧(hu)齒(chi)(chi)(chi)線(xian)(xian)(xian)，加(jia)工出(chu)弧(hu)齒(chi)(chi)(chi)錐(zhui)(zhui)齒(chi)(chi)(chi)輪(lun)(lun)和(he)準雙曲面(mian)(mian)(mian)齒(chi)(chi)(chi)輪(lun)(lun)；4）準漸(jian)開線(xian)(xian)(xian)齒(chi)(chi)(chi)。錐(zhui)(zhui)滾刀(dao)(dao)除自轉之外相對(dui)于冠(guan)(guan)輪(lun)(lun)運(yun)動，刀(dao)(dao)刃(ren)在其分(fen)(fen)(fen)度平面(mian)(mian)(mian)上(shang)形成準漸(jian)開線(xian)(xian)(xian)齒(chi)(chi)(chi)......

[ 04-16 11:27 ]

圓(yuan)弧(hu)齒(chi)輪齒(chi)面疲勞點蝕(shi)的主要原(yuan)因(yin)

圓弧齒(chi)(chi)輪傳動(dong)(dong)即使(shi)(shi)(shi)綜合(he)(he)(he)曲率半(ban)徑大(da)、接觸強度較(jiao)(jiao)高，但若安(an)裝、跑(pao)合(he)(he)(he)、使(shi)(shi)(shi)用(yong)(yong)不(bu)恰當時，也可能產(chan)生(sheng)齒(chi)(chi)面(mian)蒲牢(lao)點蝕。1.輪齒(chi)(chi)的硬度偏(pian)低，熱處(chu)理(li)質(zhi)量差；2.未經跑(pao)合(he)(he)(he)或(huo)(huo)跑(pao)合(he)(he)(he)不(bu)充分，就進行(xing)滿負荷運行(xing)，或(huo)(huo)長期超負荷進行(xing)；3.制造或(huo)(huo)者(zhe)裝配(pei)誤(wu)差較(jiao)(jiao)大(da)，使(shi)(shi)(shi)齒(chi)(chi)面(mian)初(chu)始接觸跡位(wei)置偏(pian)離理(li)論接觸跡位(wei)置較(jiao)(jiao)多或(huo)(huo)出現偏(pian)載，經跑(pao)合(he)(he)(he)后仍不(bu)能使(shi)(shi)(shi)嚙合(he)(he)(he)齒(chi)(chi)面(mian)良好地貼合(he)(he)(he)，使(shi)(shi)(shi)實(shi)際(ji)應力超過許用(yong)(yong)值(zhi)；4.潤滑(hua)油(you)(you)選(xuan)用(yong)(yong)不(bu)合(he)(he)(he)理(li)，影響(xiang)了油(you)(you)膜的形成。實(shi)際(ji)情況下，我們(men)可以采用(yong)(yong)適當的配(pei)合(he)(he)(he)工藝、提高圓弧齒(chi)(chi)輪傳動(dong)(dong)的齒(chi)(chi)面(mian)硬度、選(xuan)用(yong)(yong)合(he)(he)(he)適的潤滑(hua)油(you)(you)來減少齒(chi)(chi)面(mian)疲勞點蝕現象的產(chan)生(sheng)。以上內容摘自《齒(chi)(chi)輪傳動(dong)(dong)設計手冊》......

[ 04-15 16:32 ]

高速齒輪傳動(dong)設(she)計材料的(de)要求(qiu)

齒(chi)(chi)輪(lun)(lun)(lun)的(de)材(cai)(cai)(cai)料(liao)和(he)熱(re)處理(li)(li)(li)質量對(dui)告(gao)訴齒(chi)(chi)輪(lun)(lun)(lun)的(de)承(cheng)載能力和(he)壽命至關重(zhong)要。在JB/T5078-1991《高(gao)速(su)(su)齒(chi)(chi)輪(lun)(lun)(lun)材(cai)(cai)(cai)料(liao)選(xuan)擇及(ji)熱(re)處理(li)(li)(li)質量控制的(de)一般規定(ding)》中(zhong)提出(chu)選(xuan)擇高(gao)速(su)(su)齒(chi)(chi)輪(lun)(lun)(lun)材(cai)(cai)(cai)料(liao)時應(ying)綜合考慮以下幾點：1.材(cai)(cai)(cai)料(liao)的(de)化學成(cheng)分、力學性(xing)能及(ji)機械(xie)加工性(xing)能；2.應(ying)根據高(gao)速(su)(su)齒(chi)(chi)輪(lun)(lun)(lun)的(de)工作條件(jian)，熱(re)處理(li)(li)(li)工藝（調質或表面硬化處理(li)(li)(li)）確定(ding)所用(yong)鋼號；3.對(dui)承(cheng)受(shou)重(zhong)載荷并有沖擊(ji)的(de)高(gao)速(su)(su)齒(chi)(chi)輪(lun)(lun)(lun)，應(ying)選(xuan)用(yong)鎳(nie)(nie)、鉻、鉬鋼或鎳(nie)(nie)鉬鋼；4.高(gao)速(su)(su)齒(chi)(chi)輪(lun)(lun)(lun)應(ying)采用(yong)能淬(cui)透(tou)性(xing)的(de)結構(gou)鋼；5.高(gao)速(su)(su)齒(chi)(chi)輪(lun)(lun)(lun)的(de)材(cai)(cai)(cai)料(liao)應(ying)具有較高(gao)的(de)純度及(ji)尺寸穩定(ding)性(xing)；6.材(cai)(cai)(cai)料(liao)的(de)結構(gou)合理(li)(li)(li)性(xing)。以上內容(rong)摘(zhai)自《齒(chi)(chi)輪(lun)(lun)(lun)傳動設計手冊》 北京工業出(chu)版社兆......

[ 04-15 10:52 ]

齒輪精度標準(zhun)適用范圍

設(she)計齒(chi)(chi)輪時，必(bi)須(xu)按照適(shi)(shi)用(yong)要求確(que)定(ding)其精度等級，具體的(de)(de)齒(chi)(chi)輪經(jing)理，會有以(yi)下幾種適(shi)(shi)用(yong)范圍：1.GB/T10095.1對(dui)法向(xiang)模數(shu)m》0.5~70mm、分(fen)度圓(yuan)直(zhi)徑(jing)(jing)d》5~10000mm。齒(chi)(chi)寬b》4~1000mm的(de)(de)單個(ge)漸(jian)開(kai)線(xian)圓(yuan)柱(zhu)齒(chi)(chi)輪規定(ding)了(le)輪齒(chi)(chi)同側齒(chi)(chi)面偏差的(de)(de)定(ding)義(yi)(yi)和允許值；2.GB/T10095.2對(dui)法向(xiang)模數(shu)m》0.2~10mm、分(fen)度圓(yuan)直(zhi)徑(jing)(jing)d》5~1000mm的(de)(de)單個(ge)漸(jian)開(kai)線(xian)圓(yuan)柱(zhu)齒(chi)(chi)輪規定(ding)了(le)徑(jing)(jing)向(xiang)綜合(he)偏差與徑(jing)(jing)向(xiang)跳動的(de)(de)定(ding)義(yi)(yi)和允許值上述兩項標準(zhun)并不適(shi)(shi)用(yong)于(yu)漸(jian)開(kai)線(xian)圓(yuan)柱(zhu)齒(chi)(chi)輪副，且GB/T10095.1和GB/T10095.2均(jun)適(shi)(shi)用(yong)于(yu)基本齒(chi)(chi)廓符合(he)GB/......

[ 04-14 15:30 ]