Job Shop Scheduling Articles

Theory of Constraints Drum Buffer Rope (DBR)

by

Theory of Constraints Drum Buffer Rope – What is DBR? Drum Buffer Rope (DBR) is the Theory of Constraints scheduling process focused on increasing flow by identifying and leveraging the system constraint.  DBR was developed by Eliyahu M. Goldratt (Eli Goldratt), the father of Theory of Constraints. This article explains what is Drum Buffer Rope and how it works.   This […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →

The biggest constraint we Theory of Constraints consultants find is … (part 2)

by

The Allocation Mind-set By Dr Lisa Lang We have worked with companies around the globe and the constraint is always the same.  It’s how we think.  In particular, it’s how the business owner or leader of the company thinks. Last time, in Part 1, we discussed the efficiency mind-set and how focusing on efficiency can lead you astray.  I made the […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →

The biggest constraint we Theory of Constraints consultants find is … (part 1)

by

Theory of Constraints for Job Shops and Machine Shops (Custom Manufacturers) By Dr Lisa Lang We have worked with companies around the globe implementing Theory of Constraints, Lean and Six Sigma and the constraint is always the same.  It’s how we think.  In particular, it’s how the business owner or leader of the company thinks. You buy the same equipment […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →

Job Shop Scheduling Problems and Challenges

by

Job Shop Scheduling – High mix low volume job shops and machine shops can be quite a challenge to schedule.   Why?  Here are just a few of the complex problems and challenges that plague the environment: Bottlenecks or constraints in job shops can move based on the volume and type of work. Work is diverse — typically low volume high […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →

Your Job is Late, AGAIN -> Poor On Time Delivery

by

Dear Customer, As you know we’ve struggled achieving on time delivery.  Let me assure you that this has not been due to lack of interest, or because we don’t value you, our customer.  It was a systemic problem that we’ve only just recently figured out. The purpose of this letter is NOT to provide you with excuses as to why […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →

Does Lean manufacturing work in job shops and machine shops?

by

In short, no, Lean manufacturing and lean scheduling for high mix low volume doesn’t work.  Not for scheduling a custom job shop or machine shop. Job Shop Production Why?  Lean manufacturing was developed most notably in Toyota.  In Toyota’s environment lots of the same car are produced for several years until the model changes.  Lean was developed for repetitive manufacturing. (More information on […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →

Leadership for Job Shop Manufacturing Part 2

by

By Dr Lisa Lang, Job Shop Manufacturing expert Job Shop Manufacturing – Theory of Constraints LEADERSHIP This article is copyrighted by Science of Business, Inc. Visit our Re-post guidelines. In Part 1 I covered the Theory of Constraints first Law of Leadership — “Don’t be a sissy!” And I have to admit I was holding my breath as I clicked […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →

Leadership for Job Shop Manufacturing

by Dr Lisa Lang

This article on job shop manufacturing leadership was originally published in 2012 , but was updated to reflect the current data and my current thinking.  This has been one of my most popular and controversial posts ever.  Some (not all) of the feedback I’ve received is below.  Please add yours. Job Shop Manufacturing – Theory of Constraints 2 Laws of Leadership […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →

Job Shop Scheduling Software

by

Job Shop Scheduling Software | Machine Shop Scheduling Software I’m like you.  I invested in job shop scheduling software (we used to own a job shop).  Spent hours and hours getting it setup up only to spend more time continually updating the schedule.  Why does it seem that the moment I print the schedule it’s out of date?  And the […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →

16 Job Shop Scheduling Problems Infographic

by Dr Lisa Lang

Back in 2007 I published the 9 Challenges to Scheduling Your Job Shop and Why Your Schedule is Dead on Arrival. That ebook captured some of the biggest problems job shops can face and to scheduling machine shop work, but as you know there are many many more. So now, I’ve documented a much longer list in in this previous […]

Share and Enjoy:
  • Twitter
  • Facebook
  • LinkedIn
  • Print
  • email
  • RSS
  • del.icio.us
  • Digg
  • Google Bookmarks
Read the full article →