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扣件外观和附件质量要求

Release time：

2020-12-30 10:41

source：

      德发铸造有限公司带大家一起了解扣件厂家的扣件外观和附件质量要求有哪些。

1、扣件各部位不应有裂纹。

2、盖板与座的张开距离不得小于50mm；当钢管公称外径为51mm时，不得小于55mm。

3、扣件表面大于10mm2 的砂眼不应超过3处，且累计面积不应大于50mm2。

4、扣件表面粘砂面积累计不应大于150mm2。

5、错箱不应大于1mm。

6、扣件表面凸（或凹）的高（或深）值不应大于1mm。

7、扣件与钢管接触部位不应有氧化皮，其他部位氧化皮面积累计不应大于150mm2。

8、铆接处应牢固，不应有裂纹。

9、T型螺栓和螺母应符合GB/T3098.1、GB/T3098.2的规定。

10、活动部位应灵活转动，旋转扣件两旋转面间隙应小于1mm。

11、产品的型号、商标、生产年号应在醒目处铸出，字迹、图案应清晰完整。

12、扣件表面应进行防锈处理（不应采用沥青漆），油漆应均匀美观，不应有堆漆或露铁。

 

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