怎么检查桥架的外观是否符合规定？
对于电缆桥架这种产品来讲，外观十分的重要！因为这影响着桥架的防腐和寿命等问题！下面济南电缆桥架的小编就给大家分享一下检查桥架的外观是否符合规定的一些标准，希望对大家有所帮助！
The appearance of cable bridge is very important for this kind of product. Because it affects the anti-corrosion and life of the bridge. The next edition of Jinan Cable Bridge Frame will share with you some criteria for checking whether the appearance of the bridge meets the requirements. I hope it will be helpful to you all!
表面防腐层材料应符合现行有关标准的规定。
Surface anticorrosive coatings should comply with the relevant national standards.
热浸镀锌的托盘、桥架镀层表面应均匀，无毛刺、过烧、挂灰、伤痕、局部未镀锌（直径2mm以上）等缺陷，不得有影响安装的锌瘤。螺纹的镀层应光滑，螺栓连接件应能拧入。
Hot-dip galvanized pallet and bridge plating should be uniform, without burrs, burning, hanging ash, scars, local non-galvanized (diameter more than 2 mm) defects, and no galvanoma affecting installation. The plating of the threads should be smooth and the bolted joints should be able to be screwed in.
电镀锌的锌层表面应光滑均匀，致密。不得有起皮、气泡、花斑、局部未镀、划伤等缺陷。
The surface of galvanized zinc coating should be smooth, uniform and compact. No flaws such as peeling, bubbles, spots, partial non-plating, scratches, etc. shall be allowed.
喷涂应平整、光滑、均匀、不起皮、无气泡水泡。
Spraying should be flat, smooth, uniform, no skin, no bubbles and blisters.
桥架焊缝表面均匀，不得有漏焊、裂纹、夹渣、烧穿、弧坑等缺陷。
The weld surface of the bridge frame is uniform, and there shall be no defects such as welding leakage, cracks, slag inclusion, burning through, arc pits, etc.
桥架螺栓孔径，在螺杆直径不大于M16时，可比螺杆直径大2mm。
The diameter of bolt hole in bridge frame is 2 mm larger than that of bolt when the diameter of bolt is less than M16.
螺栓连接孔的孔距允许偏差:同一组内相邻两孔间距±0.7mm,同一组内任意两孔间距±1mm;相邻两组的端孔间距±1.2mm。
The allowable deviation of the hole spacing of bolt connection holes: the spacing of adjacent two holes in the same group (+0.7 mm), the spacing of any two holes in the same group (+1 mm), and the spacing of end holes in adjacent two groups (+1.2 mm).
感谢您的阅读与观看，本文的精彩内容来自：济南电缆桥架，我们会有更多的精彩内容继续为您呈现，详情请点击：http://www.sdhangfeng.com
Thank you for your reading and watching. The wonderful content of this article comes from: Jinan Cable Bridge, we will continue to show you more wonderful content. For more details, please click: http://www.sdhangfeng.com.
