论文部分内容阅读
我们在拆日本引进设备的废木箱时,觉得撬板起钉挺费力气,钉子并没有回脚,板子为什么这样难撬呢?经过观察,原来问题出在钉子身上。这些日本钉子,粗看与国产圆钉并无异样,仔细观察,发现日本人在不同型号的钉子上动了不少脑筋。我们把起出来的钉子分类,有以下几种类型:(1)大号圆钉,均有一层防锈漆膜;(2)中号圆钉,均进行了模压滚齿,见图1(a)(b);
When we took out the waste wooden box that introduced the equipment in Japan, we felt that the board was very hard and the nails did not return to the feet. Why was the board so difficult? After observing, the original problem was in the nail body. These Japanese nails are not the same as domestic round nails. After careful observation, they found that Japanese people had a lot of brains on different types of nails. We classify nails that come out and come out in the following types: (1) Large round nails, each with a layer of antirust paint; (2) Medium round nails, all of which are molded and hobbed, as shown in Figure 1(a). )(b);