日本的专业锻造厂中约有95％属于中小规模,职工一般不超过40人,其设备同国外一样,以锻锤为主。最近,开始施行“看板”管理方式。生产批量大都属于多品种小批量生产,因此锻锤作业的特殊性就被利用起来了。 在大企业中利用锻压机进行少品种大批量生产时不需要技术高的工人,但设备费用高,对小企业来说,存在着原始成本问题。 本文根据从事锤锻作业6～7所的人员的经验(?)对连杆的模锻作一介绍(?) About 95% of Japan’s professional forging factories are small and medium-sized, and their workers are generally no more than 40 people. Its equipment is the same as that of foreign countries, with forged hammers being the mainstay. Recently, the implementation of “kanban” management. Most of the production batch is a small variety of varieties of production, so the special forging hammer job was used up. The use of forging presses in large enterprises does not require skilled workers for high-volume production of small quantities, but the high cost of equipment poses a problem of primitive costs for small businesses. This article according to the experience of personnel engaged in hammer forging operations 6 ~ (?) Of the connecting rod forging for an introduction (?)