What is Drum Buffer Rope? Drum Buffer Rope (DBR) is the Theory of Constraints scheduling process focused on increasing flow and Throughput by identifying and leveraging the system constraint. DBR was developed by Eliyahu M. Goldratt (Eli Goldratt), the father of...
FREE Scheduling Videos
How to measure Due Date Performance so you CAN improve it!
Last updated: Aug 27, 2025 TL;DR: Most job shops track due date performance with “percent on-time,” but that metric is misleading (it's an effect), and it doesn't help you to improve (find the causes). Here's what to measure instead. Due date performance (DDP, also...
Velocity Scheduling System Reviews & Testimonials
Last updated: September 6, 2025 TL;DR "Over 500 job shops have implemented the Velocity Scheduling System, achieving results such as a 198% mean increase in productivity, 42% mean increase in on-time delivery, 87% mean reduction in WIP, and 82% mean reduction in...
The secret to improving operations is …
… changing your patterns. The patterns -- including our policies, procedures and measures -- we use to run our machine shops / job shops are perfectly getting us the results we are currently getting. So if we want to improve, we have to change our patterns. We have to...
Video 4 – Feb 2009 NTMA Keynote
Maximizing Profitability in Uncertain Times Want to see my NTMA speech titled -- Maximizing Profitability in Uncertain Times? I covered how to increase sales with a Mafia Offer and why operational improvements are needed to deliver the offer and how you have to...
Video 3 – Implementing the Velocity Scheduling System
A current description of how we implement VSS and how the Velocity Scheduling System Coaching Program works can be found on the ABOUT page. In this 30 minute video I give you an overview of what's included in the VSS and how the coaching program will work. Then I...
Be Unreasonable!
The Solution to Job Shop Scheduling In this second video in route to launching our Velocity Scheduling System we talk about the solution -- what should be we doing? And at the end I tell you exactly what to do as the first step. If you don't do this first step, there...
What You Accept You Get
Why are balancing capacity, efficiency and cost accounting EVIL? Watch this video to find out why I say balancing capacity, efficiency and cost accounting are evil. Then I'll review what you need to do to improve your shop. What you Accept you get! Please tell me...