行星減速機精度是(shi)多(duo)少?
行星(xing)減速機精度(du)通常指(zhi)的(de)(de)是(shi)(shi)回轉(zhuan)精度(du),也稱(cheng)(cheng)為(wei)回程(cheng)(cheng)間隙(xi),行星(xing)減速機的(de)(de)精度(du)單(dan)位為(wei)弧分(fen) [Arcmin]:一度(du)分(fen)為(wei)60 弧分(fen)(=60 Arcmin=60′).如回程(cheng)(cheng)間隙(xi)標為(wei)1 arcmin 時(shi)(shi),意思(si)是(shi)(shi)說減速機轉(zhuan)一圈,輸出端(duan)的(de)(de)角偏(pian)差為(wei)1/60°。在實際應(ying)用中,這個角偏(pian)差與軸直徑有關b=2·π·r·a°/360°。就(jiu)是(shi)(shi)說,輸出端(duan)半(ban)徑為(wei)500mm時(shi)(shi),齒輪(lun)箱(xiang)精度(du)為(wei)jt=3′時(shi)(shi),即a°=3/60,減速機轉(zhuan)一圈的(de)(de)偏(pian)差為(wei)b=0.44mm。行星(xing)齒輪(lun)箱(xiang)傳動精度(du)也稱(cheng)(cheng)為(wei)回程(cheng)(cheng)間隙(xi),行星(xing)減速機的(de)(de)回程(cheng)(cheng)間隙(xi)是(shi)(shi)將輸出端(duan)固定,輸入端(duan)順時(shi)(shi)針(zhen)和逆(ni)時(shi)(shi)針(zhen)方向旋轉(zhuan),使......
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03-04 11:08
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