我局从1971年开始使用邮票、信封、报纸自动出售机群后,每天收入许多硬币。用人工分币费时较长,为提高工作效率,我们曾试制了一台电磁震动式的FB-2型硬币分选器,但效果不够理想。在毛主席革命路线指引下,我们坚持“自力更生,艰苦奋斗”的方针,另行设计试制成功斜盘式FB-3型硬币分选器(外形见图1)。该分选器具有效率较高(250～300枚/分)、无 Since 1971, our bureau has used stamps, envelopes, and newspapers to automatically sell the fleet and earn many coins per day. In order to improve working efficiency, we have tried out an electromagnetic vibration type FB-2 coin sorter, but the effect is not satisfactory. Under the guidance of Chairman Mao’s revolutionary line, we adhered to the principle of “self-reliance and hard work” and designed a successful trial-manufacture swash plate type FB-3 coin sorter (the outline is shown in Figure 1). This sorter has a high efficiency (250 ~ 300 / min), no