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关键词直螺纹外观检查质量控制族人深度 钢筋直螺纹连接技术是我国近期开发成功的新一代钢筋机械连接技术，基本原理是利用冷微机先将钢筋端部镦粗，然后用套丝机对镦粗段进行套丝，利用带内螺纹的连接套筒将两根钢筋连接起来。工程中最常见的连接方式有两种。 １）标准丝头连
Key words straight thread appearance inspection quality control family deep rebar straight thread connection technology is a new generation of rebar mechanical connection technology recently developed in China. The basic principle is to use a cold computer to first upend the rebar end, and then use a threader to upset the machine. The section is threaded and the two reinforcing bars are connected using a connecting sleeve with internal threads. There are two most common connection methods in the project. 1) Standard wire head