起重整機、橋式起重機、防爆起重機廠家
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起重機車輪維修
(1)車輪踏麵磨損,車輪踏麵磨損量超過原厚度的15%時應更換新件,沒超過此值,可重新車製、熱處理修複。車輪直徑應在公差範圍內,表麵淬火硬度HB300~500,對車輪直徑大於Φ400mm的淬火層厚度應大於20mm;小於Φ400mm時,淬火層厚不應小於15mm;
(2)兩個相互匹配車輪的直徑偏差,主動車輪直徑偏差不應超過名義直徑的0.1%,從動車輪則不應超過0.2%,電動葫蘆車輪直徑偏差不應超過名義直徑的1%,從動車輪不應超過0.2%;電動葫蘆車輪直徑偏差不應超過名義直徑的1%;

