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齿轮传动的优缺点有哪些

点击数:2021-07-21 11:09:30

  齿轮传动(dong)的优(you)缺点有哪(na)些

  齿(chi)(chi)轮传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)是(shi)(shi)近代机(ji)(ji)器中(zhong)(zhong)常见(jian)的(de)(de)一(yi)种(zhong)机(ji)(ji)械(xie)传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong),是(shi)(shi)传(chuan)(chuan)(chuan)(chuan)递(di)机(ji)(ji)器动(dong)(dong)(dong)力和运(yun)动(dong)(dong)(dong)的(de)(de)一(yi)种(zhong)主要(yao)形(xing)(xing)式,是(shi)(shi)机(ji)(ji)械(xie)产(chan)品(pin)的(de)(de)重要(yao)基础零部(bu)件(jian)。它与带(dai)、链、摩(mo)擦(ca)、液(ye)压等机(ji)(ji)械(xie)传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)相比,具(ju)有功率(lv)范围大(da)、传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)效率(lv)高、圆周速(su)度高、传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)比准确、使用寿命长、结(jie)构尺(chi)(chi)寸(cun)长、结(jie)构尺(chi)(chi)寸(cun)小等一(yi)系(xi)列(lie)特点(dian)(dian)。因(yin)此,它已成为许多(duo)机(ji)(ji)械(xie)产(chan)品(pin)不可缺少的(de)(de)传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)部(bu)件(jian),也是(shi)(shi)机(ji)(ji)器中(zhong)(zhong)所(suo)占比重非常大(da)的(de)(de)传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)形(xing)(xing)式。近几年(nian)来,虽然其他机(ji)(ji)械(xie)部(bu)件(jian)的(de)(de)制(zhi)造技术(shu)与电传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)技术(shu)有了(le)较大(da)的(de)(de)发展,但(dan)在生(sheng)产(chan)中(zhong)(zhong)占主要(yao)地位的(de)(de)传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)形(xing)(xing)式仍为各种(zhong)齿(chi)(chi)轮传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)。下面简单介绍一(yi)下齿(chi)(chi)轮传(chuan)(chuan)(chuan)(chuan)动(dong)(dong)(dong)的(de)(de)优缺点(dian)(dian)。

  产品(pin)优(you)点:

  1)瞬(shun)时传动比(bi)恒定,工作(zuo)平稳性较(jiao)高;

  2)采用(yong)非圆齿轮,瞬(shun)时传动比可按所需(xu)变化规(gui)律设计;

  3)传动比(bi)变化范(fan)围大,适用于减速或增速传动;

  4)齿轮的圆周速度范围大;

  5)传递(di)功率范围大,承载能力高(gao);

  6)传动效(xiao)率高(gao),特别是精度较高(gao)的圆柱齿轮副;

  7)结(jie)构紧凑,如使用(yong)行(xing)星传动(dong)(dong)、少齿差传动(dong)(dong),或谐波齿轮传动(dong)(dong),可使部件更为缩小,成为同轴线(xian)传动(dong)(dong);

  8)维(wei)护简便。

  产品缺点(dian):

  1)运转中(zhong)振动、冲击和噪声,并产(chan)生动载(zai)荷;

  2)无过载保护作用;

  3)要求齿(chi)轮的切齿(chi)精度较高或具有特殊(shu)齿(chi)形时,需要高精度机床、特殊(shu)刀具和测量仪器来保(bao)证,制造(zao)工艺复(fu)杂,成(cheng)本较高。


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