International Journal of Applied Engineering Research ISSN 0973-4562 Volume 9, Number 18 (2014) pp. 5197-5208 © Research India Publications http://www.ripublication.com Productivity Improvement in Bottleneck Machine for Automated Cylinder Block Line Ajinkya P. Patil #1 and Yash B. Parikh #2 #1 PG Student, Department of Mechanical Engineering, Symbiosis Institute of Technology, Pune, India. #2 Assistant Professor, Department of Mechanical Engineering, Symbiosis Institute of Technology, Pune, India. 1 ajinkya.p.patil@sitpune.edu.in 2 yash.parikh@sitpune.edu.in Abstract Production lines in the industries are not that simple. Many parts of different sizes are produced through various combinations of the equipments. Bottleneck machines are those which are of high importance in any production line. In this paper a detailed study about productivity improvement for the automated cylinder block line was carried out. Initially the production output of cylinder block line was studied for the duration of six months starting from June 2013 to November 2013. From this study it was concluded that cylinder block line was facing intricacy in attaining the desired number of cylinder blocks in comparison to what was expected. Further, breakdown study revealed that the high pressure washer machine was vastly responsible in hampering the productivity of the cylinder block line. To overcome this dilemma an extensively study was carried out taking critical problems into consideration to improve the productivity of the cylinder block line. Modifications were successfully implemented which in turn helped attaining the higher productivity for the cylinder block line. Keywords: Productivity, Bottleneck Machine, Breakdowns, Modifications, Improvement. Introduction Productivity is defined as the ratio of what is produced to what is required to produce it. Productivity measures the relationship between outputs such as goods and services produced, and inputs such as cost, labour, material and other resources. Increasing the productivity is always considered to be main driver of competitiveness in the price