The Router Spindle
So what is the router spindle? Don't be confused by the "fancy" terminology. The spindle is simple the actual motor doing the cutting, with the help of a cutting tool of course. In other words its the actual router of CNC router.
Like most everything else involving CNC routers, there are a variety of spindle types out there. Some made for wood, some made for metal, etc. As usual there are many factors involved when choosing a spindle for either your pre-build machine, or your homemade CNC machine.
If you are buying an industrial CNC router , then you should be well informed as to the capabilities of the spindle before you buy. Most companies who sell CNC routers do a pretty good job of displaying the spindle capabilities. The reason being, this information is easily understood and appeals well to the reader. For example, our machine offers a 7 HP router.
Most people readily understand these figures much more than linear bearings and lead screw information and make a direct link to the machines capabilities, which is somewhat true.
There are, however, many other important considerations. Such as, RPM, load ratings, power requirements, and the collet type and size to say the least.
If you are building a CNC machine, then you also need to make important decision regarding the router spindle. Again, I realize a lot of hobbyists are bound by budget which I respect. After all, thats part of the challenge. However, there are many choices to choose from within the same price bracket.
One of the most important decisions for the
, I believe, is the noise level. If you are anywhere near neighbors or your own house, then this is a huge consideration. You dont want to be running an extremely load machine for hours at a time, unless you want angry neighbors.
The Builder's Guide
Check out the Builder's Guide. The Builder's guide walks you through the important decisions and design considerations when building your own CNC router.
CalculatorsCheck out the calculators and charts section.
Check out the CNC Controllers section. The CNC controllers sections convers all aspects of CNC control; Stepper motor control, Servo Motor Control...
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