扇(shan)形(xing)插齒(chi)機用(yong)于汽車(che)轉(zhuan)向器(方向機)齒(chi)輪扇(shan)形(xing)軸的定速比、變速比和鼓形(xing)齒(chi)的切削加工。

主運動(dong)(dong)由交流變(bian)(bian)頻(pin)電機(ji)(ji)驅動(dong)(dong)，梳刀的(de)往復運動(dong)(dong)采(cai)用V型(xing)滾(gun)動(dong)(dong)導軌(gui)；扇形插齒(chi)機(ji)(ji)的(de)徑向進給采(cai)用凸輪盤(pan)機(ji)(ji)構，可實(shi)(shi)(shi)現1-3次自動(dong)(dong)圓(yuan)弧(hu)切(qie)削，并可設定(ding)每個循環的(de)徑向進給量；可加工(gong)(gong)定(ding)速比(bi)(bi)和(he)變(bian)(bian)速比(bi)(bi)搖臂(bei)軸(zhou)。YK5612型(xing)機(ji)(ji)床是數控、交流伺服驅動(dong)(dong)的(de)三(san)軸(zhou)三(san)聯動(dong)(dong)機(ji)(ji)床。它可以一次裝夾工(gong)(gong)件，實(shi)(shi)(shi)現一至五次自動(dong)(dong)循環加工(gong)(gong)。數控系統采(cai)用PC機(ji)(ji)總線和(he)開(kai)放式結構，主機(ji)(ji)為32位CPU；中文顯示(shi)、菜單編(bian)程、圖形仿真、實(shi)(shi)(shi)時動(dong)(dong)態圖形跟(gen)蹤顯示(shi)、各種數據曲線顯示(shi)、故(gu)障報警和(he)顯示(shi)；YK5612可加工(gong)(gong)固定(ding)比(bi)(bi)、可變(bian)(bian)比(bi)(bi)、固定(ding)比(bi)(bi)滾(gun)筒(tong)、可變(bian)(bian)比(bi)(bi)滾(gun)筒(tong)和(he)定(ding)制搖臂(bei)軸(zhou)。