It occurred to me this morning while cutting M&T's (mortise tennons) that there's some similarities between this std. joinery and case to chamber fit on a rifle.
For us (woodpeckers) it's woefully faster to cut the mortise (chamber),then fit the tennon (cartridge case).
Using our mid '40's Wallace mortising machine....auger drill fits/turns inside a sq. chisel,making a square hole.Sizes are adj. within a range,1/4,3/8,1/2,3/4",typically.
But,even though it's fairly easy on this wonderful pce. of equipment to get the bit orientation in the X,Y,Z axis.It only is "so" close.So you hold your adj./mouth just right,and cut away.....The notion here that it's much easier to cut the tennon (case) to fit the mortise,than the inverse.
So while,you could make all sorts of arguments on which comes first....the chamber or the case?The bttm. line is to fit the case to the chamber.
Back to work,ya'll have a great day.
For us (woodpeckers) it's woefully faster to cut the mortise (chamber),then fit the tennon (cartridge case).
Using our mid '40's Wallace mortising machine....auger drill fits/turns inside a sq. chisel,making a square hole.Sizes are adj. within a range,1/4,3/8,1/2,3/4",typically.
But,even though it's fairly easy on this wonderful pce. of equipment to get the bit orientation in the X,Y,Z axis.It only is "so" close.So you hold your adj./mouth just right,and cut away.....The notion here that it's much easier to cut the tennon (case) to fit the mortise,than the inverse.
So while,you could make all sorts of arguments on which comes first....the chamber or the case?The bttm. line is to fit the case to the chamber.
Back to work,ya'll have a great day.