|
精密齒條齒(chi)(chi)(chi)(chi)條是一種齒(chi)(chi)(chi)(chi)分布于條形(xing)體(ti)上的特殊齒(chi)(chi)(chi)(chi)輪。齒(chi)(chi)(chi)(chi)條也分直齒(chi)(chi)(chi)(chi)齒(chi)(chi)(chi)(chi)條和斜齒(chi)(chi)(chi)(chi)齒(chi)(chi)(chi)(chi)條,分別與直齒(chi)(chi)(chi)(chi)圓(yuan)柱(zhu)齒(chi)(chi)(chi)(chi)輪和斜齒(chi)(chi)(chi)(chi)圓(yuan)柱(zhu)齒(chi)(chi)(chi)(chi)輪配對使用; 齒(chi)(chi)(chi)(chi)條的齒(chi)(chi)(chi)(chi)廓為(wei)直線(xian)而非漸開線(xian)(對齒(chi)(chi)(chi)(chi)面而言則為(wei)平面),相當于分度圓(yuan)半(ban)徑為(wei)無窮大圓(yuan)柱(zhu)齒(chi)(chi)(chi)(chi)輪。
收藏
商品說明
精密(mi)齒輪齒條加工定(ding)制 齒(chi)(chi)(chi)(chi)(chi)條(tiao)是一種齒(chi)(chi)(chi)(chi)(chi)分(fen)(fen)布(bu)于條(tiao)形體上的特(te)殊齒(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)。齒(chi)(chi)(chi)(chi)(chi)條(tiao)也分(fen)(fen)直(zhi)齒(chi)(chi)(chi)(chi)(chi)齒(chi)(chi)(chi)(chi)(chi)條(tiao)和斜(xie)齒(chi)(chi)(chi)(chi)(chi)齒(chi)(chi)(chi)(chi)(chi)條(tiao),分(fen)(fen)別與直(zhi)齒(chi)(chi)(chi)(chi)(chi)圓柱(zhu)齒(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)和斜(xie)齒(chi)(chi)(chi)(chi)(chi)圓柱(zhu)齒(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)配對使用; 齒(chi)(chi)(chi)(chi)(chi)條(tiao)的齒(chi)(chi)(chi)(chi)(chi)廓為直(zhi)線(xian)(xian)而非漸開(kai)線(xian)(xian)(對齒(chi)(chi)(chi)(chi)(chi)面而言則(ze)為平面),相當于分(fen)(fen)度圓半徑為無窮大圓柱(zhu)齒(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)。 齒(chi)(chi)(chi)條(tiao)是與(yu)齒(chi)(chi)(chi)輪(lun)相配的(de)(de)一種(zhong)條(tiao)形零件。它等于直徑無限大的(de)(de)一個(ge)齒(chi)(chi)(chi)輪(lun)周緣的(de)(de)一段(duan)。一邊均勻分布著許多齒(chi)(chi)(chi),與(yu)齒(chi)(chi)(chi)輪(lun)相嚙合,將(jiang)轉動(dong)變(bian)為移動(dong),或將(jiang)移動(dong)變(bian)為轉動(dong)。 (1) 由于(yu)齒(chi)條(tiao)齒(chi)廓(kuo)為(wei)直線(xian),所以齒(chi)廓(kuo)上(shang)各點具有相同的壓力角(jiao),且等于(yu)齒(chi)廓(kuo)的傾(qing)斜角(jiao),此角(jiao)稱為(wei)齒(chi)形(xing)角(jiao),標準值為(wei)20°,目前定位(wei)齒(chi)條(tiao)多(duo)為(wei)斜齒(chi),齒(chi)形(xing)角(jiao)19°31′42″。 (2) 與齒(chi)(chi)頂線(xian)平行的(de)任一條直線(xian)上具有相同的(de)齒(chi)(chi)距和模數。 (3) 與齒頂線(xian)平行且齒厚等于齒槽寬的(de)直(zhi)線(xian)稱為分(fen)度線(xian)(中(zhong)線(xian)),它是計算(suan)齒條(tiao)尺寸的(de)基準線(xian)。 目(mu)前自(zi)動化設備主(zhu)要以斜齒條為主(zhu),具有精度高、扭矩(ju)大等特點。
|




