This thesis degree is intended to prepare preventative maintenance system, vacuum suction bag is closed by a group of leading quality control theory applied to an analysis for the cause of the problem, the project group has been collecting data since August. -October then 2557 (2014) analysis reveals that the cause that makes the process of filling in the meatballs and sausage production line caused disruption because the machine was broken frequently during production. Faculty who prepare it have made to improve the work. By bringing the principles of preventative maintenance system applied in the result after the update:Fix performance since November-2557 (2014) January 2558 (2015) found that the updated machine. The average duration of the machine crashes, theft (MTBF) in a long time. The average time to repair (MTTR) and machinery decreased. The machine has more availability by taking the percentage is as follows: A vacuum suction bag closing machine code generation increasing PM-VBS-01 Ultravac. 20.74 percent, close the bag, vacuum suction machine code Ultravac version PM-VBS-02 up 18.03 percent, close the vacuum bags vacuum model PM-VBS-03 machine code Nichihara surged 13.73 percent and closing bags vacuum vacuum. The machine code versions of Nichihara PM-VBS-04 increased by 8.70 percent.
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