The Shop > Tools
Defect Aloris BXA?
McSpuds:
Hi everyone,
I purchased a genuine Aloris BXA for my Harrison L5, my lathe is the non T-Slot type compound.
Theres 4 way dickson on it right now, but I set about making a threaded adapter sleeve, internally threaded to 1/2 12 to screw down over the existing bolt that holds down the dickson, and drop the aloris down over that then.
Thing is, I notice the internal bore of the new Aloris is wider at the top, than it is a the bottom! Even the top 2/3rds of the bore have a drill bit finish, with the bottom inch or so having a smaller diameter reamed finish! The top half of the bore measures 0.640", and the bottom is 0.628", with a very obvious step at the point where the bore diameter changes.
Can any of you tell me if I have a dud on my hands or if its normal for some reason? Should I buy a reamer and straighten it all out? I'm puzzled by this, these are supposed to be the bees knees quality wise, but I fail to see the reason for this.
Thanks alot! :)
Seamie
Manxmodder:
I think the Aloris posts are hardened so reaming is out of the question......OZ.
Stilldrillin:
Seamie.
It's not necessary, to have full length location on the centre stud. Just, 1/2" high would be sufficient.
Provided the toolpost, sits on a flat surface. With a close fitting plug, locating in the .628" bore.
My thoughts......
David D
DavidA:
It could actually be a disadvantage if the thing was a good fit all the way through. Making it awkward to remove.
I go with David D on this one.
Mind, you could always email the manufacturer for clarification.
Dave.
lordedmond:
Thinking out loud
If it was a good reamed fit it would need the stud/post to be truly square the the top slide face , else it would impart a twist to the slide , A BXA has a fair size post so would not bend
So a fitt at the bottom and clearance at the top would be fine
My multifix has clearance and the instructions say a close fit is not required to the post
Stuart
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