药芯焊丝成型工艺的新突破目前国内仅有的药芯焊丝生产企业通常采用带钢成型法或钢管拔制，且进口设备居多，前者工艺复杂，成型质量不稳定，原料来源困难，后者虽可生产无缝药芯焊丝，但设备和生产成本高，难以盈利，而以盘圆为原料，经开槽装药拔制的工艺，在国内少有成... New breakthroughs in flux cored wire forming process At present, the only manufacturers of flux cored wire in China are usually strip forming or pipe drawing, and the majority of imported equipment are used. The former has complicated processes, unstable forming quality and difficult sources of raw materials. Produce seamless flux cored wire, but the high cost of equipment and production, difficult to profit, and to round as raw material, the slotted charge of the extraction process, rare in the country into ...