Today we’re going to answer a question from a viewer about measuring v-belt pulleys using pins, and using constructive geometry in CAD to to build accurate models and useful shop drawings. Someone will ask how I navigate smoothly in Fusion. … Continued

The CNC mill has been acting up, so today we’re on the hunt for backlash. We’ll troubleshoot the Z axis and see if we can find the cause of our issues and fix them. Tools used in this video: NogaFlex … Continued

Today we’re fitting a quill speed handle to the PM-935TV milling machine. The hub isn’t a standard Bridgeport size, so it took a little effort to find one the right size, and even then it required some hand fitting. Sit … Continued

I went down to the Bar Z Summer Bash last weekend and cleaned up at the 4-Jaw challenge. We’ll talk about it today, and maybe take a victory lap, if a small one. Bar Z Summer Bash Livestream: https://youtu.be/Ar6Z9t-Q3kA Visit … Continued

We’ve got one last motor to test, and this one’s interesting. At $100, is it a match for the mighty Clearpath? Let’s find out! The motor tested in this video: NEMA23 180W 3000RPM Easy Servo (StepperOnline*): https://bit.ly/3gEjIi9 Other recommended motors … Continued

Today we’re installing the Align X power feed on the new Precision Matthews PM-935 milling machine. When I got the mill, it didn’t come with any of the optional accessories, so this is one of what will likely become a … Continued

Today we’re breaking in a new PM-935TV knee mill by making some table protector trays for the new knee mill. Commercial plastic (Kleen Slot) trays are available, but not in the size I need, so we’re going to make some … Continued

You all jumped in the comments last week to tell me that inertia was affecting my torque measurements. Was it? Let’s do some experiments and find out. Tools used in this video: 500N Push Pull Force Gauge (Amazon*): https://amzn.to/3hwzXjn 95 … Continued

What is the best stepper or servo motor for the Electronic Leadscrew? I’ve collected some suitable candidates and today we’re going to test open-loop steppers, closed-loop steppers, and a true servo from ClearPath to see how they stack up. Visit … Continued

Today I’m making good on an old promise and we’re going to test some NEMA23 steppers and servos for the Electronic Leadscrew. The first step is making some spools so we can drive the servos, wind up a line and … Continued