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行星減速機單支撐與雙支撐的區別

2020-07-10        0

行星減速機雙撐和(he)(he)行(xing)星(xing)(xing)減(jian)(jian)速(su)(su)機單(dan)支撐指的(de)是(shi)齒輪的(de)支撐,也就是(shi)行(xing)星(xing)(xing)減(jian)(jian)速(su)(su)機的(de)行(xing)星(xing)(xing)架。而(er)行(xing)星(xing)(xing)減(jian)(jian)速(su)(su)機的(de)行(xing)星(xing)(xing)架和(he)(he)行(xing)星(xing)(xing)減(jian)(jian)速(su)(su)機的(de)輸出軸是(shi)一體式結構,所(suo)以行(xing)星(xing)(xing)減(jian)(jian)速(su)(su)機的(de)行(xing)星(xing)(xing)架做(zuo)的(de)好(hao)(hao)不好(hao)(hao)直接(jie)影響到(dao)行(xing)星(xing)(xing)減(jian)(jian)速(su)(su)機各(ge)方面性能。首先我(wo)們來(lai)了(le)解一下單(dan)支撐和(he)(he)雙支撐的(de)區別。

1、結構區別(bie)。單(dan)支撐在行(xing)星(xing)架上面(mian)打了三個銷(xiao)子孔,放三個銷(xiao)子,再把齒輪固定在銷(xiao)子上,齒輪的一(yi)面(mian)是(shi)行(xing)星(xing)架,另外一(yi)面(mian)是(shi)懸空(kong),后面(mian)放一(yi)個擋片(pian)來(lai)分開(kai)。

雙支撐(cheng)的(de)行(xing)星架經過CNC兜(dou)空,然(ran)后在上加工中心打銷子(zi)孔,還必(bi)須保(bao)證上下兩(liang)個面(mian)(mian)的(de)銷子(zi)孔完(wan)全(quan)同心(否則齒輪與齒輪就嚙合不上),然(ran)后在放入齒輪,最(zui)后用銷子(zi)固定,齒輪的(de)兩(liang)面(mian)(mian)都(dou)是(shi)由(you)行(xing)星架來支撐(cheng)。


2、受(shou)力的區別(bie)。單支撐結(jie)(jie)構是(shi)行星(xing)架(jia)上的齒輪只有一邊受(shou)力,雙支撐結(jie)(jie)構是(shi)行星(xing)架(jia)上的齒輪兩邊受(shou)力。


3、性(xing)能的(de)區別。單(dan)支(zhi)撐(cheng)(cheng)的(de)齒(chi)輪(lun)(lun)會往輸出軸傳動的(de)相反(fan)(fan)方向偏,行(xing)(xing)(xing)星(xing)(xing)(xing)齒(chi)輪(lun)(lun)就(jiu)會與行(xing)(xing)(xing)星(xing)(xing)(xing)內齒(chi)圈的(de)摩擦系數增大(da),結果就(jiu)是(shi)(shi)會導(dao)(dao)致(zhi)行(xing)(xing)(xing)星(xing)(xing)(xing)減(jian)(jian)速機(ji)(ji)的(de)噪(zao)音增大(da),效率降低(di),溫度升高,甚至嚴重(zhong)的(de)會導(dao)(dao)致(zhi)漏油現象。另外(wai)行(xing)(xing)(xing)星(xing)(xing)(xing)減(jian)(jian)速機(ji)(ji)主要是(shi)(shi)用(yong)來配合伺(si)服電(dian)(dian)機(ji)(ji)使用(yong),而伺(si)服電(dian)(dian)機(ji)(ji)的(de)特點是(shi)(shi),體積小,精(jing)度高,頻(pin)(pin)繁(fan)正(zheng)反(fan)(fan)轉(zhuan)使用(yong),當單(dan)支(zhi)撐(cheng)(cheng)行(xing)(xing)(xing)星(xing)(xing)(xing)減(jian)(jian)速機(ji)(ji)配合伺(si)服電(dian)(dian)機(ji)(ji)頻(pin)(pin)繁(fan)正(zheng)反(fan)(fan)轉(zhuan)使用(yong)時(shi),單(dan)支(zhi)撐(cheng)(cheng)行(xing)(xing)(xing)星(xing)(xing)(xing)減(jian)(jian)速機(ji)(ji)行(xing)(xing)(xing)星(xing)(xing)(xing)架上(shang)的(de)齒(chi)輪(lun)(lun)銷子很容易產生剛性(xing)變形,所以會導(dao)(dao)致(zhi)單(dan)支(zhi)撐(cheng)(cheng)行(xing)(xing)(xing)星(xing)(xing)(xing)減(jian)(jian)速機(ji)(ji)的(de)間隙變大(da)。

行星(xing)減速機(ji)雙支撐結構就不會,因為(wei)齒輪兩(liang)面都由行星(xing)架做支撐,所以(yi)減速機(ji)傳動時齒輪并不會往(wang)一邊偏,齒輪銷(xiao)子也不會產生剛性變形。


4、成本區(qu)別。行星(xing)減(jian)速機雙(shuang)支(zhi)(zhi)撐(cheng)結構首先把行星(xing)架(jia)中(zhong)間用CNC兜空,然后在上加工中(zhong)心(xin)打孔(kong),還必(bi)須保(bao)證(zheng)上下(xia)兩個面(mian)的(de)銷子孔(kong)完全同心(xin),如果(guo)兩個面(mian)的(de)銷子孔(kong)一旦出(chu)現打偏那就是整(zheng)個行星(xing)架(jia)報廢。所以行星(xing)減(jian)速機雙(shuang)支(zhi)(zhi)撐(cheng)結構比行星(xing)減(jian)速機單(dan)支(zhi)(zhi)撐(cheng)結構加工成本上要多出(chu)整(zheng)機的(de)百(bai)分(fen)之(zhi)二(er)十左右的(de)成本。


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