Pengukuran Produktivitas dengan Metode Overal Equipment Effectiveness dan OMAX di Lini Produksi TMM1 dan TMM2 PT. MTG

Abstract

PT MTG is a company engaged in the gears and mechanical part component. In
the current condition, PT MTG has an effort to improve the company's work
efficiency through with an efficiency target of 80%. However, the current
problem is that the company does not yet have the right method for evaluating
and detecting factors that inhibit increased productivity on the "TMM 1" and
"TMM 2" production lines. To find out the right method for PT MTG, two
productivity measurement methods are used in total with the Overall Equipment
Effectiveness (OEE) method and partially with the Objective Matrix (OMAX)
method. In measuring productivity with the OEE method, it can be seen six big
losses that occur in each machine on each production line. Whereas in the
OMAX method, measurement of productivity is used 4 criteria to determine the
company's productivity index, namely (1) Minimization of Defective Products;
(2) Optimizing Production Capacity; (3) Efficient Use of Labor; (4) Minimize
Absence of Work. Based on the results of data processing and analysis, the
average overall OEE value for the "TMM 1" and "TMM 2" production lines is
0.32% and 0.321%. The OEE value still does not meet the JIPM standard of
85%. Whereas in the OMAX results, the average productivity index value of the
two production lines is 140.80 per month from the optimal value of 1000. The
factor influencing the two methods for not achieving the target is the amount of
production per month that differs more than 55% of the production plan.
Whereas in OEE, excess production is not considered a loss. So, for the current
conditions the right method of measuring productivity for PT MTG is the
OMAX Method.