裝配圖的表達方法ppt課件-在線瀏覽
2025-05-09 01:31本頁面
【正文】 he fitting surface are needed. 為了表達機器或部件的內部結構，可采用沿某些零件為了表達機器或部件的內部結構，可采用沿某些零件的結合面剖切的畫法，其特點是在結合面上不畫剖面線，的結合面剖切的畫法，其特點是在結合面上不畫剖面線，但穿過該結合面的其他零件，應按剖視畫。請點擊鼠標左鍵顯示后面內容請點擊鼠標左鍵顯示后面內容 If the structure of a certain part is not clearly represented and will thus affect the understanding of its fitting relationship and function, the part must be drawn separately and marked with “xx direction” near the corresponding view indicating with arrows and capital letters the projection direction. 當某個零件的結構未表達清楚，且對理解配置關系或部當某個零件的結構未表達清楚，且對理解配置關系或部件功能有影響時件功能有影響時 , 應單獨畫出該零件應單獨畫出該零件 , 并在其上方注明并在其上方注明 “零件零件”, 在相應視圖附近用箭頭指明投射方向在相應視圖附近用箭頭指明投射方向 , 并注明相應的大并注明相應的大寫字母。2. Representing contact surfaces and fitting surfaces of two parts. 零件接觸面與配合面的畫法零件接觸面與配合面的畫法1. Representing section lines 剖面線的畫法剖面線的畫法3. Representing fastening pieces and solid pieces緊固件及實心件畫法緊固件及實心件畫法The contact surface or fitting surface of two parts is represented as a line, while the noncontact surface or nonfitting surface is represented as two lines even small clearance. 兩個零件的接觸面或配合表面只畫一條線，而非接觸面或配合表面兩個零件的接觸面或配合表面只畫一條線，而非接觸面或配合表面之間有間隙處應畫成兩條線。 Section lines in two contiguous metal parts must be in opposite directio
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