![]() ![]() ![]() I wanted something compact, with a 1/2″ shank, and easy for me to machine. This was not hard to do as the shape is very simple and the key dimensions are readily available on the Internet: The first thing I had to do was make a 3D model of a TPGB insert. It seemed like a good size for the toolholder dovetails, and I try to keep reusing the same insert types so restocking isn’t so painful to manage. The TPGB 21’s are right in the middle of the insert sizes my boring bars use. The TPGB insert style I chose was based on some boring bars I had. Indexable Tooling is very economical in that respect. I wanted an indexable dovetail cutter to make it easy to swap in new cutting edges as needed. So, I made this cutter as my first “practical” mill project. ![]() To do that I have to be able to cut the dovetails. I wanted to make Aloris-style QCTP holders for my lathe. Indexable Dovetail Cutter for CNC Joineryĭovetail joints are both strong and aesthetically pleasing, but they require a special dovetail cutter. ![]()
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