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升降平臺設計比例制圖時應注意的四點問題
作者:升降平臺 來源: 金川升降平臺 發布時間:2014-4-10 5:46:54

升降平臺設計采用放大或縮小的比例制圖時,應注意以下幾點:
(1)每張升降平臺設計圖紙在繪制同一機件的各個視圖應采用相同的比例,都要注出所畫圖樣的比例,并在標題欄的比例欄中填寫。
(2)同一張升降平臺設計圖紙上若有個別圖樣選用的比例與標題欄中所注的比例不同時,對該圖樣必須另行標注所用的比例。
(3)無論采用何種比例作圖,圖形上標注的尺寸必須是升降平臺的實際尺寸,與圖形的比例無關。
(4)升降平臺設計圖樣中繪有角度時,無論放大或縮小仍按實際升降平臺的角度畫出。

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