The life of any machine is limited, we should take measures to prolong its life. Run-in period of concrete batching plant is the key link which guarantees concrete batching plant normal running, declines fault rate and extends its using life. However, currently, part of users ignore the special skills requests of new machine run-in period, leading to machine? fault frequently, which not only affect machine? normal application, shorten machine? using life, but also cause machine damage. ...