行業內都知(zhi)道,用成形(xing)法銑(xian)齒(chi)輪,其(qi)齒(chi)形(xing)的準確程度(du)是(shi)通過(guo)銑(xian)刀(dao)刀(dao)刃的形(xing)狀(zhuang)來(lai)保證的,也就(jiu)是說,銑刀(dao)刀(dao)刃的形狀至關重要(yao),那(nei)齒輪銑刀分(fen)幾類呢?什么(me)情況(kuang)應該用什么(me)樣(yang)的銑刀?本篇(pian)為您解答。
為了便于(yu)制造/使用/管理,更為了(le)行業(ye)標準(zhun)化,加工(gong)(gong)時,根據被加工(gong)(gong)齒(chi)輪的(de)模數(shu)和齒(chi)數(shu)來(lai)選擇(ze)銑(xian)(xian)刀(dao)的(de)模數(shu)和刀(dao)號。按其(qi)加工(gong)(gong)齒(chi)輪的(de)齒(chi)數(shu)間隔分為8組,每組設計制(zhi)造(zao)一把銑(xian)(xian)刀(dao),共8把銑(xian)(xian)刀(dao)。每把銑(xian)(xian)刀(dao)規定一個(ge)刀(dao)號。精密級的齒輪(lun)銑刀則分為15組,15個刀號(hao)。
在銑削齒輪時,為保證齒(chi)輪(lun)(lun)(lun)齒(chi)形(xing)(xing)正確,銑(xian)刀(dao)刀(dao)刃(ren)形(xing)(xing)狀應與齒(chi)輪(lun)(lun)(lun)齒(chi)形(xing)(xing)相同,但是一(yi)個(ge)刀(dao)號(hao)的齒(chi)輪(lun)(lun)(lun)銑(xian)刀(dao),加工的齒(chi)輪(lun)(lun)(lun)齒(chi)數(shu)從26到34齒(chi)的一(yi)個(ge)范(fan)圍,那么(me)銑(xian)刀(dao)刀(dao)刃(ren)的形(xing)(xing)狀應該依據哪個(ge)齒(chi)數(shu)來設(she)計制(zhi)造(zao)呢?
選擇(ze)齒(chi)(chi)(chi)(chi)(chi)(chi)數較多(duo)的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)輪銑(xian)刀,加工(gong)齒(chi)(chi)(chi)(chi)(chi)(chi)數少(shao)的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)輪時,齒(chi)(chi)(chi)(chi)(chi)(chi)頂將少(shao)切掉一(yi)層(ceng),齒(chi)(chi)(chi)(chi)(chi)(chi)頂向外凸(tu)出一(yi)塊,這(zhe)(zhe)樣嚙合就容易被卡住(zhu)。以至(zhi)于(yu)無法轉動。所以每個刀號(hao)必須按(an)該(gai)組內(nei)被加工(gong)齒(chi)(chi)(chi)(chi)(chi)(chi)輪最少(shao)齒(chi)(chi)(chi)(chi)(chi)(chi)數的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)形設計和制造(zao)。這(zhe)(zhe)樣的(de)(de)銑(xian)刀,加工(gong)齒(chi)(chi)(chi)(chi)(chi)(chi)數稍多(duo)的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)輪時,其齒(chi)(chi)(chi)(chi)(chi)(chi)頂將被銑(xian)薄一(yi)些(xie)。齒(chi)(chi)(chi)(chi)(chi)(chi)形就有誤差了,對精度要(yao)求不高的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)輪,這(zhe)(zhe)些(xie)誤差在允許范圍之內(nei)。
標準(zhun)齒(chi)輪銑刀的模數,壓力角和加(jia)工的齒(chi)數范圍都有標記在銑刀端面上,使用時方便(bian)拿取。
以上就是銑刀分類的依據極其使用原理,iHF齒輪,源頭廠家,歡迎咨詢。