The objective of this paper is to demonstrate a determination of buffer to increase line efficiency in a
transfer line where several workstations are linked together by a conveyer. One of the common problems of a transfer
line is minor stoppages i.e. part short, machine adjustment, and so on are the typical problems which result in low
uptime efficiency and are detrimental to productivity. Thus, buffer stock is designed to mitigate the problem; however,
knowledge in determining optimal number of buffers is not prevalent. The buffer analysis using constant downtime
distribution is employed in this paper.