这次由组织上指派参加全程麻棉纺织机制造的协助工作,希望在现场中帮助铸造者发掘缺点,改进技术,以求提高品质.曾先后到上海几十家中小型翻砂工厂.这些厂的规模和现有设备几皆类同,而且都有一般性的问题存在,须待改进和解决.兹就接触见闻所及,把个人的见解,写在下面,请大家研究、指正. This time, the organization assigned to participate in the whole process of manufacturing cotton linen machine assistance, hoping to help foundries in the field to explore shortcomings, improve technology, in order to improve the quality .There have been to dozens of small and medium-sized factory in Shanghai. The size of these plants And the existing equipment are similar to each other, and they all have the general problems that need to be improved and solved. I hereby give my own views and write down the personal opinions below. Please study and correct them.