A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.
Now, a CNC stands for Computer Numerical Control, but that is gibberish. It does hint you to the fact that something is controlled, and probably by a computer. It's really a mechanism that interfaces to a computer to control its movements, similar to a robot, but this machine has a specific function. It cuts or shapes things with this control. In essence, a computer precisely controls a cutting tool, like a router for instance, to cut materials such as wood, plastic or metals into shapes only bounded by your imagination.
This four-part video tutorial will show you how to build the motor mount for a CNC router. The z-axis bearing supports were made in the current shape to be able to hold the router with a piece of stock in-between containing a hole for the router. This hole will need the ability to tighten against the router for stability and leveling.
Now time for cutting. This mount will have two parts, one for the back of the router that will be positioned between the z-axis bearing support pieces, and the second part that will provide the compression to hold the router in position.
In video three, install the back part of the router mount, then watch the final step for the first phase of the mount. It's first phase because there will build a vacuum attachment later. You will see the method to mounting the router in this video. Instead of routing out a perfect circle and squeezing the circle around the router housing, the router mount will come in two parts and act like a vi
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