Dr. Lisa remarks on the negatives of focusing on efficiency. Below is an excerpt:
TOC goes against traditional manufacturing thinking, in which workers produce more than is needed to reduce the number of setups and maximize the efficiency of all resources. The forecast, after all, says these parts will be needed eventually, so why not produce them now? The problem is, of course, that sales forecasts are notoriously inaccurate, so those parts may never be needed. Also, producing so many unneeded parts floods the floor with work-in-process (WIP), while jobs in queue sit for days or weeks waiting for large batches to work their way through.
Dr. Lisa offers her expertise throughout the article, which explores five main topics: “The Value of Throughput,”
The full article can be found here: http://www.thefabricator.com/
“Dr. Lisa” Lang is one of the foremost Theory of Constraints experts in the world and a sought after manufacturing expert having been named the 2012 Manufacturing Trendsetter in the USA Today for her inexpensive and guaranteed Velocity Scheduling System Coaching Program that has dramatically improved performance of well over 100 highly custom job shops and machine shops. She has also appeared in CBS News, The Wall Street Journal, Finance.com, About.com, NY Daily News, CNBC, The Boston Globe, The Miami Herald, and others. She is active in helping reshore manufacturing back to the U.S. and in the NTMA, PMA, and AMT communities having helped member companies to reduce their lead-times and improve due date performance. She worked with Dr. Goldratt who is the father of Theory of Constraints and author of the bestselling book, The Goal. Dr Lisa is the President of the Science of Business specializing in increasing profits of highly custom manufacturers by applying Theory of Constraints, Lean and Six Sigma to operations with Velocity Scheduling System and to engineering/
Learn more about Dr. Lisa and job shop scheduling at http://www.velocityschedulingsystem.com/