Boring Head patent added
- I have added a patent for a "swing" style boring head to the "Files"
section. The big advantage of this style is that no dovetail/gib
cutting is required. There is actually very little precision machining
required. Except for some knurling, it could pretty easily all be
I had always been a bit skeptical of this style of adjustable boring
head (they certainly don't seem to be very common), but Moore in
"Holes, Contours and Surfaces" speaks quite highly of them; he was
with Moore Special Tool of Moore jig borer and jig grinder fame, and
was the father of Wayne R. Moore, who wrote "Foundations of Mechanical
Accuracy". That's a high enough recommendation for me.