行業內(nei)都知道(dao),用成形(xing)法銑齒輪,其齒形(xing)的準(zhun)確程度是通過銑刀(dao)刀(dao)刃的形(xing)狀來(lai)保證的,也就是說,銑刀刀刃的形狀至(zhi)關重要,那齒輪銑刀(dao)分幾(ji)類呢?什么情況應該(gai)用(yong)什么樣(yang)的銑刀(dao)?本篇為您解答。
為(wei)了便于制造/使(shi)用/管理(li),更為(wei)了行業(ye)標準化,加(jia)工(gong)(gong)時,根據被加(jia)工(gong)(gong)齒(chi)(chi)輪的(de)模數和齒(chi)(chi)數來(lai)選(xuan)擇銑(xian)(xian)(xian)刀的(de)模數和刀號。按其加(jia)工(gong)(gong)齒(chi)(chi)輪的(de)齒(chi)(chi)數間(jian)隔分為8組(zu),每組(zu)設計制造一(yi)把(ba)銑(xian)(xian)(xian)刀,共(gong)8把(ba)銑(xian)(xian)(xian)刀。每把(ba)銑(xian)(xian)(xian)刀規定一(yi)個刀號。精密級(ji)的(de)齒輪銑刀則分(fen)為15組,15個刀號。
在銑削齒輪時,為保證齒(chi)(chi)輪(lun)齒(chi)(chi)形(xing)正確,銑(xian)刀刀刃(ren)形(xing)狀應與(yu)齒(chi)(chi)輪(lun)齒(chi)(chi)形(xing)相(xiang)同,但是一個刀號(hao)的(de)齒(chi)(chi)輪(lun)銑(xian)刀,加工的(de)齒(chi)(chi)輪(lun)齒(chi)(chi)數從26到34齒(chi)(chi)的(de)一個范圍,那么銑(xian)刀刀刃(ren)的(de)形(xing)狀應該依據哪個齒(chi)(chi)數來設計制造(zao)呢(ni)?
選擇齒(chi)(chi)(chi)(chi)數(shu)較多的齒(chi)(chi)(chi)(chi)輪(lun)(lun)銑刀(dao),加工齒(chi)(chi)(chi)(chi)數(shu)少的齒(chi)(chi)(chi)(chi)輪(lun)(lun)時,齒(chi)(chi)(chi)(chi)頂將(jiang)少切掉一(yi)層,齒(chi)(chi)(chi)(chi)頂向外凸出一(yi)塊,這(zhe)樣嚙合就(jiu)容(rong)易被卡住。以(yi)(yi)至于(yu)無法轉動。所以(yi)(yi)每個刀(dao)號必(bi)須按(an)該組內被加工齒(chi)(chi)(chi)(chi)輪(lun)(lun)最(zui)少齒(chi)(chi)(chi)(chi)數(shu)的齒(chi)(chi)(chi)(chi)形(xing)設計和制造。這(zhe)樣的銑刀(dao),加工齒(chi)(chi)(chi)(chi)數(shu)稍多的齒(chi)(chi)(chi)(chi)輪(lun)(lun)時,其齒(chi)(chi)(chi)(chi)頂將(jiang)被銑薄一(yi)些。齒(chi)(chi)(chi)(chi)形(xing)就(jiu)有(you)誤差了(le),對精度要求不(bu)高的齒(chi)(chi)(chi)(chi)輪(lun)(lun),這(zhe)些誤差在允許(xu)范圍之內。
標準齒(chi)輪銑刀(dao)的模(mo)數(shu),壓力角和(he)加工的齒(chi)數(shu)范圍都有(you)標記在銑刀(dao)端面上,使用(yong)時方便拿取。
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。