文档介绍：穿线管技术交底
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3倒角处理，防止管口的毛刺拉破电缆护套。
3 穿线管支、吊架制作安装
根据图纸要求及穿线管的走向，确定支吊架的安装位置及尺寸，支吊架的制作安装需注意以下事项：
①.支架所用角钢或槽钢应平直，无显著扭曲。切口应无卷边、毛刺。
②.角钢或槽钢支架的创面必须进行防腐处理，涂防锈涂料2～3道。
③.支吊架安装应牢固，横平竖直。
④.支吊架沿墙、楼板、梁安装时，有预埋钢板或者是钢梁等情况的焊接在预埋钢板或钢梁上，没有预埋钢板的地方可用膨胀螺栓加以固定。
4套丝
①. 用手动或电动套丝机套丝。
穿线管技术交底
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b v