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推广应用双钢筋技术的关键之一是双钢筋的焊制问题。各地开始多用单头点焊机人工点焊,不但劳动强度大,工效低、点焊质量也不易控制,很难满足大批量生产的要求。而目前使用双钢筋自动焊机均为焊制单片双钢筋,这种单片双钢筋在生产构件时,依然用人工与分布筋进行绑扎,或采用木模定位单头点焊机人工点焊成网。要符合工厂化生产的要求,就必须解决将单片双钢筋自动焊制成网的一系列设备和技术问题。近年来,我们根据双钢筋的工作机理和生产需要,将这焊双钢筋发展成迭爆双钢筋网片,使横筋与分布筋合而为一,这样就可使用经过改制的多头
One of the keys to the promotion and application of double steel reinforcement technology is the welding of double steel bars. The use of single-head spot welders for manual spot welding has begun in various regions, not only because of its high labor intensity, but also because of its low work efficiency and difficulty in controlling spot welding quality. It is difficult to meet the requirements for mass production. At present, the use of double-bar automatic welding machines are welded single-plate double steel bars. This single-piece double bar is still used for manual lashing with distribution ribs, or wood spot positioning single head spot welding machine for manual spot welding. Become a net. To meet the requirements of factory production, it is necessary to solve a series of equipment and technical problems in the automatic welding of single-strand double-bar rebar. In recent years, based on the working mechanism and production requirements of double steel bars, we developed the welded double steel bars into double-expanded double-reinforced steel mesh sheets, so that the transverse ribs and the distribution ribs become one, so that the remanufactured multi-heads can be used.