CNC Routed Salt Box

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Blog series by SPalm updated 11-20-2011 06:16 PM 3 parts 37355 reads 80 comments total

Part 1: Creating the Top

10-20-2011 04:38 PM by SPalm | 35 comments »

I will try to describe how I created the design for the Salt Box, and how I told my homemade CNC to cut it out. Here is a picture of the box, and the top. Let’s start with the top. Remember this is just a router. Almost all the things that the CNC can do may be done by hand routing, maybe with a template or a fancy router table. But for this project, I picked a couple of things that would be quite difficult without the machine control. Background: In my mind, there are four types...

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Part 2: New Vacuum Clamp & Ooops

11-12-2011 03:07 AM by SPalm | 33 comments »

Ever have one of those days, where you take one step forward and two steps back? I finally get a day off from work and proceed to walk backwards. I ordered some special foam tape from JoeWoodWorker that is intended to hold a vacuum. And since the shopping basket was already open, I threw in a bunch of brass hardware and tubing. Today I drilled a 2” long hole in the side of a HPDE plate and threaded it for a hose coupler. I then drilled a small hole on the top that intersected the long ...

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Part 3: Redesigned Vacuum Clamp

11-20-2011 06:16 PM by SPalm | 12 comments »

The vacuum clamp is now working like a charm. I also tried a new router collet and I was able to route a box with no problems. After thinking about this (and getting suggestions), I changed the way it works. The new concept is to pull the work piece all the way to the flat of the HDPE clamp plate which will supply a flat, level and strong grip. I added dados that are just a bit shallower than the foam is thick. I also drilled a two inch ‘well’ for the vacuum to grab onto the wood. Yes,...

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