一、齒輪的基本參數有哪些
齒(chi)(chi)輪(lun)是指輪(lun)緣上有(you)(you)齒(chi)(chi)輪(lun)連續嚙合傳遞運動和(he)動力的(de)(de)(de)(de)(de)(de)機械元(yuan)件(jian),在(zai)機械領域,有(you)(you)許多不同的(de)(de)(de)(de)(de)(de)參(can)數(shu)(shu)(shu)用來表達齒(chi)(chi)輪(lun)的(de)(de)(de)(de)(de)(de)各種性能,基本的(de)(de)(de)(de)(de)(de)齒(chi)(chi)輪(lun)參(can)數(shu)(shu)(shu)有(you)(you)齒(chi)(chi)數(shu)(shu)(shu)z(一個齒(chi)(chi)輪(lun)的(de)(de)(de)(de)(de)(de)輪(lun)齒(chi)(chi)總(zong)數(shu)(shu)(shu))、模(mo)數(shu)(shu)(shu)m(相(xiang)鄰兩(liang)(liang)輪(lun)齒(chi)(chi)同側(ce)齒(chi)(chi)廓間的(de)(de)(de)(de)(de)(de)齒(chi)(chi)距p與圓周率π的(de)(de)(de)(de)(de)(de)比(bi)值)、分度圓直徑d(直徑為(wei)模(mo)數(shu)(shu)(shu)乘以齒(chi)(chi)數(shu)(shu)(shu)的(de)(de)(de)(de)(de)(de)乘積(ji)的(de)(de)(de)(de)(de)(de)圓)、壓力角α(兩(liang)(liang)齒(chi)(chi)廓曲(qu)線的(de)(de)(de)(de)(de)(de)公法線與兩(liang)(liang)節圓的(de)(de)(de)(de)(de)(de)公切線所夾的(de)(de)(de)(de)(de)(de)銳(rui)角)、齒(chi)(chi)高和(he)齒(chi)(chi)厚(hou)等,其中齒(chi)(chi)數(shu)(shu)(shu)和(he)模(mo)數(shu)(shu)(shu)是齒(chi)(chi)輪(lun)最(zui)重(zhong)要的(de)(de)(de)(de)(de)(de)參(can)數(shu)(shu)(shu)。
二、齒輪傳動的特點
齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)是機械工程學的(de)一(yi)個專業術(shu)語,是指(zhi)利(li)用(yong)兩齒(chi)輪(lun)(lun)的(de)輪(lun)(lun)齒(chi)相互嚙合(he)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力和運動(dong)(dong)(dong)的(de)機械傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong),也(ye)是應(ying)用(yong)最廣泛的(de)一(yi)種(zhong)機械傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)方式,有圓柱齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、錐(zhui)齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、行星(xing)齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)等(deng)多(duo)種(zhong)。齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)的(de)特(te)點是傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)精度高(gao)(gao)、適用(yong)范圍(wei)廣、傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)效(xiao)率高(gao)(gao)、使用(yong)壽(shou)命長,不過同時(shi)齒(chi)輪(lun)(lun)的(de)使用(yong)成本、制造和安裝的(de)要(yao)求(qiu)較高(gao)(gao),對(dui)于(yu)工作的(de)環境(jing)條件要(yao)求(qiu)也(ye)比較嚴格,且(qie)屬(shu)于(yu)剛(gang)性(xing)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong),減振性(xing)和抗沖擊性(xing)都不太理想。
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)(chi)(chi)(chi)(chi)輪是許(xu)多機(ji)械(xie)設備的(de)(de)(de)核心傳動部件(jian),其加(jia)工(gong)質量的(de)(de)(de)優劣(lie)對(dui)機(ji)械(xie)設備的(de)(de)(de)穩定性(xing)和可靠性(xing)影響巨大,一(yi)般齒(chi)(chi)(chi)(chi)(chi)(chi)輪加(jia)工(gong)的(de)(de)(de)類型有銑齒(chi)(chi)(chi)(chi)(chi)(chi)、磨齒(chi)(chi)(chi)(chi)(chi)(chi)、滾齒(chi)(chi)(chi)(chi)(chi)(chi)、插齒(chi)(chi)(chi)(chi)(chi)(chi)、剃(ti)齒(chi)(chi)(chi)(chi)(chi)(chi)、珩(heng)齒(chi)(chi)(chi)(chi)(chi)(chi)六種,加(jia)工(gong)齒(chi)(chi)(chi)(chi)(chi)(chi)輪的(de)(de)(de)工(gong)藝過程主要包括(kuo)毛(mao)坯處(chu)理(li)、齒(chi)(chi)(chi)(chi)(chi)(chi)坯加(jia)工(gong)、齒(chi)(chi)(chi)(chi)(chi)(chi)形加(jia)工(gong)、熱處(chu)理(li)、齒(chi)(chi)(chi)(chi)(chi)(chi)形精加(jia)工(gong)、齒(chi)(chi)(chi)(chi)(chi)(chi)端加(jia)工(gong)等階段。