BJ 型滚筒包胶机是为皮带机滚筒包胶的一种专用设备。给滚筒包胶需给胶带一个较大的张力。如靠手工操作,工人劳动强度很大,耗费工时多,包胶质量还差。文化大革命前,我们制造过一台包胶机,只能为一个规格的滚筒包胶,使用不便,效率也低。文化大革命以后,工人同志们坚持“独立自主、自力更生”的方针,大搞技术革新和技术革命,总结了前 BJ-type plastic roller drum machine is a belt roller rubber wrapped a special equipment. Tape to the roller need to tape a larger tension. Such as by manual operation, workers labor-intensive, time-consuming and more, including rubber quality is poor. Before the Cultural Revolution, we made a plastic bag machine, which can only be used for one size of plastic bag, which is inconvenient to use and inefficient. After the Cultural Revolution, the workers’ comrades insisted on the principle of “independence and self-reliance,” vigorously promoted technological innovation and technological revolution, and summarized the former