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軸的結構設計

2014-03-19 16:49 作者:admin 來源:未知 瀏覽: 字號:

摘要:第2章軸的結構設計 軸的結構決定于受載情況,軸上零件的布置和固 定方式,軸承的類型和尺寸、軸的毛坯、制造和裝配 工藝及安裝、運輸等條件。軸的結構應是盡量減小應 力集中,受力合理,有良好工藝性,并使軸上零件定 位可靠,裝拆方便。對于要求剛度大的軸

第2章軸的結構設計

    軸的結構決定于受載情況,軸上零件的布置和固
定方式,軸承的類型和尺寸、軸的毛坯、制造和裝配
工藝及安裝、運輸等條件。軸的結構應是盡量減小應
力集中,受力合理,有良好工藝性,并使軸上零件定
位可靠,裝拆方便。對于要求剛度大的軸,還應在結
構上考慮減小軸的變形。
    由于影響軸的結構因素較多,故軸不可能有標準
的結構形式,必須根據情況具體分析比較,確定方
案。
1 軸上零件的定位與固定
    零件與軸的固定或聯接方式,隨零件的作用而
異。一般情況下,為了保證零件在軸上具有確定的工
作位置,需從軸向和周向加以固定。
1.1軸上零件的軸向定位與固定(見表12.2一1)

軸上零件的軸向定位與固定表1
軸上零件的軸向定位與固定表2
軸上零件的軸向定位與固定表3

1.2軸上零件的周向定位與固定(表12.2一2)
軸上零件的周向定位與固定表1
軸上零件的周向定位與固定表2
軸上零件的周向定位與固定表3


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