一、齒輪的基本參數有哪些
齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)是(shi)指輪(lun)(lun)(lun)緣(yuan)上有齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)連續(xu)嚙合(he)傳遞運(yun)動(dong)和動(dong)力(li)的(de)(de)機(ji)(ji)械元件,在(zai)機(ji)(ji)械領(ling)域,有許(xu)多不(bu)同的(de)(de)參(can)數(shu)用來表達齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)的(de)(de)各種性(xing)能,基本的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)參(can)數(shu)有齒(chi)(chi)(chi)(chi)(chi)(chi)數(shu)z(一(yi)個齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)的(de)(de)輪(lun)(lun)(lun)齒(chi)(chi)(chi)(chi)(chi)(chi)總數(shu))、模數(shu)m(相鄰兩(liang)(liang)輪(lun)(lun)(lun)齒(chi)(chi)(chi)(chi)(chi)(chi)同側齒(chi)(chi)(chi)(chi)(chi)(chi)廓間的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)距p與圓(yuan)(yuan)周率π的(de)(de)比值)、分度圓(yuan)(yuan)直徑(jing)d(直徑(jing)為模數(shu)乘以齒(chi)(chi)(chi)(chi)(chi)(chi)數(shu)的(de)(de)乘積的(de)(de)圓(yuan)(yuan))、壓(ya)力(li)角α(兩(liang)(liang)齒(chi)(chi)(chi)(chi)(chi)(chi)廓曲線(xian)的(de)(de)公(gong)(gong)法(fa)線(xian)與兩(liang)(liang)節(jie)圓(yuan)(yuan)的(de)(de)公(gong)(gong)切線(xian)所夾(jia)的(de)(de)銳角)、齒(chi)(chi)(chi)(chi)(chi)(chi)高和齒(chi)(chi)(chi)(chi)(chi)(chi)厚等,其中(zhong)齒(chi)(chi)(chi)(chi)(chi)(chi)數(shu)和模數(shu)是(shi)齒(chi)(chi)(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)最重要的(de)(de)參(can)數(shu)。
二、齒輪傳動的特點
齒(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)是機械工(gong)程學(xue)的(de)(de)(de)一個專(zhuan)業(ye)術語,是指利(li)用(yong)兩(liang)齒(chi)輪(lun)的(de)(de)(de)輪(lun)齒(chi)相(xiang)互嚙合傳(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)的(de)(de)(de)機械傳(chuan)(chuan)(chuan)動(dong)(dong)(dong),也是應用(yong)最(zui)廣泛的(de)(de)(de)一種機械傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)方(fang)式(shi),有圓(yuan)柱齒(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、錐齒(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、行星齒(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)等多(duo)種。齒(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)的(de)(de)(de)特點(dian)是傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)精度高、適用(yong)范(fan)圍廣、傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)效率高、使用(yong)壽命(ming)長,不(bu)(bu)過同時齒(chi)輪(lun)的(de)(de)(de)使用(yong)成本(ben)、制(zhi)造和(he)(he)安裝(zhuang)的(de)(de)(de)要(yao)(yao)求(qiu)較(jiao)高,對于工(gong)作的(de)(de)(de)環境條件(jian)要(yao)(yao)求(qiu)也比較(jiao)嚴格,且屬于剛性傳(chuan)(chuan)(chuan)動(dong)(dong)(dong),減振性和(he)(he)抗(kang)沖擊性都不(bu)(bu)太(tai)理想。
三、齒輪模數怎么計算
模數是人們設定的一個能度量齒輪大小的參數,它是一個比值,其大小與分圓齒厚有關,齒輪模數的計算公式是:齒輪模數m=分度圓直徑d/齒數z =齒距p /圓周率π。直徑一定的情況下,模數越大說明齒越大、齒距越大,說明外形尺寸越大,強度越高,單精密度也越低,因此在實際的齒輪設計時,要根據齒輪的厚度、變位等參數以及齒輪的使用環境等,選擇正規齒輪品牌采購齒輪。
四、齒輪加工工藝過程
齒(chi)(chi)輪(lun)是許多機(ji)械(xie)(xie)設備的(de)核(he)心傳動(dong)部件,其加工(gong)(gong)(gong)質量的(de)優劣對機(ji)械(xie)(xie)設備的(de)穩定性和可靠性影響巨大,一般齒(chi)(chi)輪(lun)加工(gong)(gong)(gong)的(de)類型有銑(xian)齒(chi)(chi)、磨齒(chi)(chi)、滾齒(chi)(chi)、插齒(chi)(chi)、剃齒(chi)(chi)、珩齒(chi)(chi)六種,加工(gong)(gong)(gong)齒(chi)(chi)輪(lun)的(de)工(gong)(gong)(gong)藝過(guo)程主要包括毛坯處理(li)、齒(chi)(chi)坯加工(gong)(gong)(gong)、齒(chi)(chi)形加工(gong)(gong)(gong)、熱(re)處理(li)、齒(chi)(chi)形精(jing)加工(gong)(gong)(gong)、齒(chi)(chi)端加工(gong)(gong)(gong)等階段。