一、齒輪的基本參數有哪些
齒(chi)輪(lun)(lun)是指輪(lun)(lun)緣上有齒(chi)輪(lun)(lun)連(lian)續嚙合傳遞運動(dong)和(he)動(dong)力的機(ji)械(xie)元(yuan)件,在機(ji)械(xie)領域(yu),有許多不(bu)同的參(can)數(shu)用(yong)來表達(da)齒(chi)輪(lun)(lun)的各種(zhong)性能,基本的齒(chi)輪(lun)(lun)參(can)數(shu)有齒(chi)數(shu)z(一個齒(chi)輪(lun)(lun)的輪(lun)(lun)齒(chi)總數(shu))、模數(shu)m(相鄰兩(liang)輪(lun)(lun)齒(chi)同側齒(chi)廓間(jian)的齒(chi)距(ju)p與(yu)圓(yuan)周率π的比值)、分度圓(yuan)直徑d(直徑為(wei)模數(shu)乘以齒(chi)數(shu)的乘積的圓(yuan))、壓力角(jiao)α(兩(liang)齒(chi)廓曲線的公法線與(yu)兩(liang)節(jie)圓(yuan)的公切線所夾的銳角(jiao))、齒(chi)高和(he)齒(chi)厚等(deng),其中齒(chi)數(shu)和(he)模數(shu)是齒(chi)輪(lun)(lun)最重(zhong)要的參(can)數(shu)。
二、齒輪傳動的特點
齒(chi)輪(lun)(lun)傳(chuan)(chuan)動(dong)(dong)(dong)是(shi)機械工程學的一(yi)個專業術語(yu),是(shi)指利(li)用(yong)兩齒(chi)輪(lun)(lun)的輪(lun)(lun)齒(chi)相互嚙合傳(chuan)(chuan)遞動(dong)(dong)(dong)力(li)和(he)運動(dong)(dong)(dong)的機械傳(chuan)(chuan)動(dong)(dong)(dong),也是(shi)應用(yong)最廣泛的一(yi)種機械傳(chuan)(chuan)動(dong)(dong)(dong)方式(shi),有(you)圓柱(zhu)齒(chi)輪(lun)(lun)傳(chuan)(chuan)動(dong)(dong)(dong)、錐(zhui)齒(chi)輪(lun)(lun)傳(chuan)(chuan)動(dong)(dong)(dong)、行星齒(chi)輪(lun)(lun)傳(chuan)(chuan)動(dong)(dong)(dong)等多(duo)種。齒(chi)輪(lun)(lun)傳(chuan)(chuan)動(dong)(dong)(dong)的特點是(shi)傳(chuan)(chuan)動(dong)(dong)(dong)精(jing)度高(gao)、適用(yong)范圍廣、傳(chuan)(chuan)動(dong)(dong)(dong)效率高(gao)、使(shi)用(yong)壽命(ming)長,不過同時(shi)齒(chi)輪(lun)(lun)的使(shi)用(yong)成本(ben)、制造和(he)安裝的要(yao)求較高(gao),對(dui)于(yu)工作的環境條件要(yao)求也比較嚴格,且屬(shu)于(yu)剛性(xing)傳(chuan)(chuan)動(dong)(dong)(dong),減振(zhen)性(xing)和(he)抗沖擊性(xing)都不太理想(xiang)。
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)(chi)輪(lun)是許多機械設(she)備的(de)核心傳動部件,其加(jia)工(gong)(gong)質(zhi)量的(de)優劣(lie)對機械設(she)備的(de)穩定性和可靠性影響巨大,一般(ban)齒(chi)(chi)(chi)輪(lun)加(jia)工(gong)(gong)的(de)類型(xing)有銑齒(chi)(chi)(chi)、磨齒(chi)(chi)(chi)、滾齒(chi)(chi)(chi)、插齒(chi)(chi)(chi)、剃齒(chi)(chi)(chi)、珩齒(chi)(chi)(chi)六種(zhong),加(jia)工(gong)(gong)齒(chi)(chi)(chi)輪(lun)的(de)工(gong)(gong)藝過程主要包括毛坯處理(li)、齒(chi)(chi)(chi)坯加(jia)工(gong)(gong)、齒(chi)(chi)(chi)形加(jia)工(gong)(gong)、熱處理(li)、齒(chi)(chi)(chi)形精加(jia)工(gong)(gong)、齒(chi)(chi)(chi)端加(jia)工(gong)(gong)等(deng)階段。