| 1. | Bell type furnace is mainly used to steel strips , steel plantes , copper strips , copper plates and other metal parts for bright anneal and normal anneal heat treatments . according to the technics , the process of preevacuation . heating , protecting atmosphere gew or non oxidation heating , air cooling , fast colling and slow cooling treaments can be executed
罩式炉主要是用于钢带、钢盘圆、铜带、铜盘圆及其它金属材料及零件的光亮退火和一般退火工艺，根据热处理工艺的要求，可对热处理工件进行预抽真空、加热、保护气氛少无氧化加热、空冷、快冷及缓冷处理。 |
