雕刻(ke)機齒(chi)(chi)條(tiao)傳(chuan)動齒(chi)(chi)輪的中(zhong)心距怎么(me)算?
比如(ru),齒(chi)輪(lun)齒(chi)條(tiao)模數為(wei)4,齒(chi)輪(lun)齒(chi)數為(wei)20,齒(chi)輪(lun)中心距離尺條(tiao)齒(chi)頂或齒(chi)根多遠?
一(yi)、兩個(ge)互相(xiang)嚙合的齒輪的圓心距(ju)離稱(cheng)為中心距(ju)。
1、外嚙合計算公式為 a=m(z1+z2)/2
2、內嚙合計算公式為a=m(z1-z2)/2
二、計(ji)算過程:齒(chi)輪中(zhong)心(xin)距(ju)離齒(chi)條齒(chi)頂=m(z-2)÷2=4x(20-2)÷2=36(毫米(mi))齒(chi)輪中(zhong)心(xin)距(ju)離齒(chi)條齒(chi)根(gen)=m(z+2.5)÷2=4x(20+2.5)÷2=45(毫米(mi))。
三、只要(yao)相互嚙合,二(er)個齒(chi)輪的(de)中心距是不變的(de),無論是怎樣的(de)菱形。
嚙合是(shi)(shi)指兩(liang)機(ji)械零件間的(de)一種(zhong)(zhong)傳(chuan)動(dong)(dong)(dong)(dong)(dong)關系,稱為嚙合傳(chuan)動(dong)(dong)(dong)(dong)(dong)。齒(chi)(chi)輪(lun)傳(chuan)動(dong)(dong)(dong)(dong)(dong)是(shi)(shi)最典型的(de)嚙合傳(chuan)動(dong)(dong)(dong)(dong)(dong),也是(shi)(shi)應用最廣泛的(de)一種(zhong)(zhong)傳(chuan)動(dong)(dong)(dong)(dong)(dong)形式。根據(ju)傳(chuan)動(dong)(dong)(dong)(dong)(dong)原(yuan)理的(de)不同,有直(zhi)齒(chi)(chi)齒(chi)(chi)輪(lun)嚙合傳(chuan)動(dong)(dong)(dong)(dong)(dong)和斜齒(chi)(chi)齒(chi)(chi)輪(lun)嚙合傳(chuan)動(dong)(dong)(dong)(dong)(dong)。
雕刻機齒條傳動齒輪嚙合傳動具有適應范圍大、傳遞效率較高、工作壽命長、傳動平穩、可靠性高、能保證瞬時傳動比恒定、能實現各種位置要求的兩軸傳動等特點,在近代機械傳動中應用十分廣泛。它由主動齒輪、從動齒輪和機架組成。
通(tong)過(guo)齒(chi)(chi)輪的嚙(nie)(nie)合(he)作用(yong),將主動輪(軸)的運動和動力傳遞給從(cong)動(軸),并獲(huo)得(de)需要的轉速和扭矩。齒(chi)(chi)輪嚙(nie)(nie)合(he)傳動通(tong)常(chang)由(you)主動齒(chi)(chi)輪、從(cong)動齒(chi)(chi)輪和機架組(zu)成。