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玻璃鋼三通

玻璃鋼三通制作

詳細說明 玻璃鋼三通測量彎頭測量時,把彎頭平放在一個平整的地方,先用水平尺找管口的垂直度。把水平尺立靠在管口的上下壁上,讓氣泡居中,這時管口處于垂直位置。用木片或碎

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 詳細說明

  玻璃鋼三通測量彎頭測量時,把彎頭平放在一個平整的地方,先用水平尺找管口的垂直度。把水平尺立靠在管口的上下壁上,讓氣泡居中,這時管口處于垂直位置。用木片或碎石掩住。用粉線從彎頭背部(中間)繞過,折過兩邊管口,使內外管壁貼在粉線上、兩線交叉,用直角尺兩直角邊貼在粉線上。如果兩邊粉線都貼在兩直角邊上,說明角度準;如果一面沒有貼上,則說明該角度不準。從粉線兩交叉點到管口外壁再減去管子的半徑即求出彎頭的長度。

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