钢筋闪光对焊工艺标准技术交底.doc

交底内容：
钢筋闪光对焊工艺标准
1 范围
本工艺标准适用于工业与民用建筑热轧钢筋的连续闪光焊，预热闪光焊、闪光—预热闪光焊。
2 施工准备
2.1材料及主要机具：
2.1.1钢筋：钢筋的级别、直径必须符合设计要求，有出厂证明书及复试报告单。进口钢筋还应有化学复试单，其化学成分应满足焊接要求，并应有可焊性试验。
2.1.2 主要机具：对焊机具及配套的对焊平台、防护深色眼镜、电焊手套、绝缘鞋、钢筋切断机、空压机、除锈机或钢丝刷、冷拉调直作业线。
常用对焊机主要技术数据见表4—20。
常用对焊机主要技术数据    表4—20
焊机型号  UN1—50 UN1—75 UN1—100 UN2—150 UN17—150—1
Cards on the table contents:
Steel flash butt welding technology standards
1 Scope
This technology is applicable to hot-rolled steel for industrial and civil buildings continuous flash welding, preheating welding flash, flash - flash welding preheat.
2 construction preparation
2.1 Materials and main equipment:
2.1.1 Reinforcement: steel grade, diameter and must meet the design requirements, with a factory certificate and re-testing report card. Imports of steel should have the chemical re-testing one of its chemical composition should meet the welding requirements, and should solderability test.
2.1.2 Main equipment: butt welded platform and associated equipment, protective dark glasses, welding gloves, rubber shoes, steel cutting machine, air compressor, rust remover or a wire brush, cold drawn wire straightening operation.
Main technical data of the welding machine used in Table 4-20.
Main technical data common to the welding table 4-20
Welder Model UN1-50 UN1-75 UN1-100 UN2-150 UN17-150-1