How I Chose My Second CNC Router

As you probably know, I decided on a ShopBot PRTalpha96 for my first CNC Router. This machine has performed well for me and paid for itself several times over. It was a good investment to go with ShopBot and their PRTalpha96 tool. You might recall I purchased this tool with a Porter Cable router and …

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Taking your Z to New Heights

My machine is a PRT Alpha96 and it seems that I never have the Z axis at the right height to change the bit when I want to. Well, here is how I fixed that problem and solved a few others as well.

As you can see from the …

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Adding Pocket Hole Joinery to your Cabinet Panels

Occasionally when assembling our cabinets we need to install pocket hole screws for a blind screwed connection. Cutting the screw pockets on the ShopBot is a natural progression from cutting the panels and then moving them to a pocket machine. Commercial pocket machines use an angled drill bit that plunges laterally into the material face. …

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The ShopBot Relay Board

For quite a while now I have been using the outputs from my PRT Alpha control box to control equipment in my shop. By equipment, I mean my cyclone dust collector, vacuum motors etc. I find that by editing my post processor in PartWorks to automatically add the proper SO commands to my part files …

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A PVC Vacuum Table Part 2: A little more on Plenum Design…

A plenum is little more than a few slots cut into a piece of material, but there are some options to consider when designing one for the first time. Start out your design with a size that is very close to your finish zone size so that any resizing is minimal before cutting. The general …

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A PVC Vacuum Table

As a relative newcomer to the ShopBot community, let me first say I am honored to be asked to join the likes of my fellow columnists. I am sure that all of you respect them, and their opinions, as much as I do.

Over the next few months I will try to use my woodworking …

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A Ramping, the VR Command and How to Tune Your Tool for Maximum Performance

No setting in the ShopBot control software (SB3) has more influence over the performance of your CNC than the VR [Values Ramping] command. I have no doubt that you’ve heard about ramping before, and to many, the idea of adjusting your VR settings is downright confusing and to some, scary. There seems to be a …

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Ed’s Ugly One Hour Vacuum Source

In prior articles I wrote about my vacuum table and how I used the Fein Turbo III vacs to hold my parts. The Feins are quiet and ready to connect and run right out of the box. ShopBot can even provide you with them!

For …

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Easy Signs in Five Steps

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Since I am not a good painter, I look at this step of making a sign the biggest challenge. I have tried rollers, brushes and rags all with mixed results. I am going to explain this month how I can finish a sign quickly and get what I and others feel …

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How I Zero the Z to the Bed

I bet you are thinking… Why doesn’t Ed just lay the Z zero plate on the bed before he puts the material to be cut on it? It’s quite simple you know!

When I change cutters in the middle of a job, I want to re-zero to the bed. I …

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