They call this their 2+2 design, and it results in a better finish at the bottom of the cut. The Amana RC-2249, 2250, and 2252, have extra inserts that are flat. That’s the basic, lowest common denominator geometry. Most of the cutters shown below have cutting edges with a 90 degree angle. Don’t spend the extra money for more flutes than your machine will handle. But, if you’re already maxing out your machine’s feedrate, then more flutes are wasted. More flutes mean you can run higher feedrates.
Smaller machines should stick to smaller diameter cutters. Don’t choose a Spoilboard Cutter that’s too aggressive for your CNC Router. Specifically, larger diameter cutters can get the surfacing job done faster, but they’ll need higher horsepower spindles to operate. Typically, new inserts cost less than a whole new cutter. You may even be able to rotate them to expose new edges. With removable inserts, you just replace the inserts. With the latter, you have to replace the whole cutter when the inserts get dull. Spoilboard Cutters with removable inserts can be cheaper to use over the long haul than brazed inserts.In general, you want to balance a few trade-offs.
CNC ROUTER BITS HOW TO
How to Choose the Right Spoilboard Cutter for Your CNC Router You can use your Spoilboard Cutter and CNC Router to make your cutting board flat on both sides. Maybe to create an end grain cutting board. Great examples are any time you are gluing boards together to make a bigger surface. No problem, stick your Spoilboard Cutter in it and go. Perhaps you don’t even have a surface planer and want to use your CNC Router instead. In fact, another name for a Spoilboard Cutter is “Planer Bit”. Think of it as the equivalent of surface planing. If your spoilboard isn’t a flat plane to your spindle’s XY travel, your workpiece can wind up with variable thicknesses.Īnytime you want to surface a large area, a spoilboard cutter can be a good choice. If you want to work accurately, you need to surface your spoilboard. Just dropping a brand new piece of MDF or whatever spoilboard you use on the CNC Router table does not ensure this. In other words, it ensures the spoilboard creates an accurate plane with a constant Z position. Taking a very light cut will ensure that the spoilboard is absolutely the same distance from the tip of the spindle wherever the spindle is.
CNC ROUTER BITS INSTALL
But, it’s also a good idea to surface when you first install the spoilboard. Some people feel you should just replace a spoilboard rather than spend time on cleanup. That’s when you need to surface the spoilboard. At some point, the surface becomes so groovy (did I really just say that?), it isn’t properly supporting the workpiece. That’s going to leave a groove in the spoilboard under the workpiece. So, if you’re cutting 1/2″ plywood, you might specify the cut goes to 0.600″ rather than 0.5″ deep.
In order to make sure your cut goes all the way through your workpiece, you will typically specify a cut that’s a little deeper. For example, to clean up your spoilboard. It’s used to quickly flatten (also called “surfacing”) large areas with a CNC Router. This is an Amana Tool RC-2249 Spoilboard Cutter: Spoilboard cutters are one of several types of special CNC Router Bits.
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