洗炉堵盖(如图1)是我们经常生产的一个锻件。原来改进的工艺已经在本刊今年第7期上发表了。但是这个工艺有缺点,正象文章所指出的:“火次增加了两火,增加两付胎模,锻工的劳动量增加了”。在这次优质高产运动中,锻工车间张熔老师付针对这个缺点,苦心钻研,大胆试验,终于 Wash block cover (Figure 1) is a forgings we often produce. The original improved technology has been published in the seventh issue of this issue. However, this process has its drawbacks. As the article points out, “The number of fires increased by two fires and the number of tire molds increased by two and the workforce’s labor increased.” In this high-quality high-yielding sports, forging workshop Zhang melting teacher to pay for this shortcoming, painstaking research, bold test, and finally