电火花加工在使用时潜伏着容易产生火灾的危险性。为使火灾防患于未然,仅仅在电火花机械设计结构上采取一定安全措施,尚不足以完全防止,还应对操作者提出严格要求,即掌握正确的使用方法。由于技术的进步、各种安全装置的发展和可靠性的提高,目前都已达到了实用化程度。并严格地正确地遵守使用方法,以期完全防止火灾事故,这就是日本制定该项标准的目的。 EDM in use lurks the risk of fire. In order to make fire prevention in the first place, only to take certain safety measures in EDM design structure is not enough to completely prevent, but also to the operator to make strict requirements, that is, master the correct method of use. Due to advances in technology, the development of various safety devices and the improvement of reliability have now reached a practical level. And strictly abide by the use of methods, with a view to completely prevent fire accidents, which is the purpose of Japan to develop the standard.