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關鍵詞:傘齒輪、錐齒輪、傘齒輪廠家

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齒條應用

齒(chi)(chi)(chi)條(tiao)(tiao)可看作一(yi)個(ge)齒(chi)(chi)(chi)數為(wei)(wei)無窮多的齒(chi)(chi)(chi)輪(lun)(lun)的一(yi)部分,這時齒(chi)(chi)(chi)輪(lun)(lun)的各圓均變為(wei)(wei)直(zhi)(zhi)線(xian)(xian),作為(wei)(wei)齒(chi)(chi)(chi)廓(kuo)的漸開線(xian)(xian)也(ye)變為(wei)(wei)直(zhi)(zhi)線(xian)(xian) 齒(chi)(chi)(chi)條(tiao)(tiao)與(yu)齒(chi)(chi)(chi)輪(lun)(lun)相比,其(qi)(qi)(qi)特(te)點(dian)為(wei)(wei): 由于齒(chi)(chi)(chi)條(tiao)(tiao)的齒(chi)(chi)(chi)廓(kuo)是直(zhi)(zhi)線(xian)(xian),所(suo)(suo)以齒(chi)(chi)(chi)廓(kuo)上各點(dian)的法線(xian)(xian)平(ping)行,而且在傳動(dong)時齒(chi)(chi)(chi)條(tiao)(tiao)是做平(ping)動(dong),齒(chi)(chi)(chi)廓(kuo)上各點(dian)速度的大小和方向一(yi)致所(suo)(suo)以各點(dian)的壓力角相等,其(qi)(qi)(qi)大小等于齒(chi)(chi)(chi)廓(kuo)的傾斜角,稱(cheng)為(wei)(wei)齒(chi)(chi)(chi)形角 由于齒(chi)(chi)(chi)條(tiao)(tiao)上各齒(chi)(chi)(chi)同側的齒(chi)(chi)(chi)廓(kuo)是平(ping)行的,所(suo)(suo)以不論(lun)在分度線(xian)(xian)上或(huo)齒(chi)(chi)(chi)頂線(xian)(xian)上或(huo)與(yu)其(qi)(qi)(qi)平(ping)行的其(qi)(qi)(qi)它(ta)直(zhi)(zhi)線(xian)(xian)上,其(qi)(qi)(qi)齒(chi)(chi)(chi)距都相等齒(chi)(chi)(chi)條(tiao)(tiao)也(ye)分直(zhi)(zhi)齒(chi)(chi)(chi)齒(chi)(chi)(chi)條(tiao)(tiao)和斜齒(chi)(chi)(chi)齒(chi)(chi)(chi)條(tiao)(tiao),分別與(yu)直(zhi)(zhi)齒(chi)(chi)(chi)圓柱齒(chi)(chi)(chi)輪(lun)(lun)和斜齒(chi)(chi)(chi)圓柱齒(chi)(chi)(chi)輪(lun)(lun)配對使用;  

齒(chi)條的齒(chi)廓(kuo)為(wei)直(zhi)線(xian)而(er)非漸開線(xian)(對齒(chi)面而(er)言則(ze)為(wei)平面),相(xiang)當于分(fen)度(du)圓(yuan)半徑為(wei)無窮大圓(yuan)柱齒(chi)輪(lun)  

齒條的主要特點

(1) 由于齒條齒廓(kuo)為直線,所以齒廓(kuo)上各(ge)點(dian)具(ju)有(you)相同(tong)的壓力(li)角(jiao)(jiao)(jiao),且等于齒廓(kuo)的傾(qing)斜角(jiao)(jiao)(jiao),此角(jiao)(jiao)(jiao)稱(cheng)為齒形角(jiao)(jiao)(jiao),標準值為20°。  

(2) 與(yu)齒(chi)頂線(xian)平行的(de)(de)任一條直線(xian)上具有相同的(de)(de)齒(chi)距和模(mo)數。  

(3) 與齒(chi)頂線(xian)(xian)(xian)平行且齒(chi)厚等于齒(chi)槽寬的(de)直線(xian)(xian)(xian)稱為分度線(xian)(xian)(xian)(中線(xian)(xian)(xian)),它是計算齒(chi)條尺寸的(de)基準線(xian)(xian)(xian)。


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