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Bosch Power Tools 1 609 92A 0KM | (19.11.14)
檢查垂直方向的激光束的找平精度
針對這項檢驗,您必須尋找一處有門孔而且地板堅實
的場地。此外,門孔的前后兩側至少要有 2.5 米的空
間。
把測量儀放置在距離門孔 2.5 米處的堅實、平坦
的地面上 (不可以使用三腳架)。讓測量儀在交叉
測量的功能上找平,並且把激光束朝向門孔。
找出投射在門孔地板上的垂直激光束的中心點,並
在該中心點打上記號 (點 I。在門孔的另一側約
5 米遠處再做一個記號 (點 II,在門孔的上緣做
第三個記號 (點 III
把測量儀移動到門孔的另一側,並將它放置在點 II
的后面。讓儀器找平,並且調整好激光束,垂直激
光束的中心必須穿過點 I 和點 II
投射在門孔上緣的激光束的中心點和點 III 之間的
距離 d,便是測量儀在垂直方向的實際偏差。
測量門孔的高度。
您可以使用以下的公式計算最大的許可偏差 d
max
:
d
max
= 兩倍的門孔高 x 0.3 毫米 /
範例 : 如果門孔的高度為 2 米,那麼最大的許可偏
d
max
2 x 2 米 x 0.3 毫米 / = 1.2 毫米 .- 所以
記號之間的距離,不可以超過 1.2 毫米。
檢查鉛垂精準度
檢查的工作要在空曠的空間執行,地板和天花板的距
離必須在 5 米左右,地板得結實平坦。
將測量工具安裝至轉檯上後,再放置到地面上。
啟動測量工具,然後讓它進行水平面調整。
請在天花板上,標示出上方交叉點的中心位置 (點
I。然後再到地面上,標示出下方雷射點的中心位
置(II)。
將測量工具旋轉 180° 度後,讓下方雷射點的中心
位置定位在已標示出來的點 II 上。讓測量工具進行
水平面調整。標示出上方雷射點的中心位置 (點
III)。
天花板上點 I 和點 III 的差距 d,便是測量儀在垂
直方向的實際偏差。
測量距離為 5 公尺時的最大容許偏差為:
5 m x ±0.6 mm/m x 2 = ±6 mm。
因此,點 I III 之間的差距 d 最多只能有 6 mm。
有關操作方式的指點
記號一定要打在激光束的中心位置。 激光束的寬
度會隨著距離的遠近而改變。
使用測量板工作 (附件) (參考插圖 GH)
借助測量板 26,可以把地板上的激光記號點,或者
把激光的高度轉載到牆上。
使用零面和刻度盤可以測量改變高度後的位移距離,
並且把它轉載到其它的位置。因此不必重新調整測量
儀的高度。
測量板 26 覆蓋了反射膜,可以幫助操作者在遠距離
或日照強烈的環境中辨識激光束。當您的視線與激光
平行時,才能體會反射膜的加強激光功能。
2,5 m
2,5 m
2 m
d
5 m
180°
d
OBJ_BUCH-1973-003.book Page 203 Wednesday, November 19, 2014 8:19 AM
203


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