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+--- Thread: Using Harold Halls Deluxe Grinding Table and jigs (/thread-2165.html)
Using Harold Halls Deluxe Grinding Table and jigs - chucketn - 07-02-2014
With the help of my buddy Todd, I have completed Harold Halls Deluxe Grinding Table as described in his books. I have also completed the lathe tool jig and round tool jig and will make the drill jigs when I return from vacation.
If you have built this table, I would like to see pictures/descriptions of your set ups and how you use your table. I have not completed my setup yet. I purchased a new bench grinder and replaced the standard grey wheels with a diamond cup for carbide and a white aluminum oxide straight cup for HSS. The guards over the standard wheels need to be modified to cover the new cups, and my table needs to be mounted, so I have not used the table or grinder yet.
I am also interested in seeing any methods of mounting a diamond dressing tool on the table to dress the white wheel. Todd kindly gave me a diamond dresser that is mounted on a ½ dia. x 1 ½ shank and I need to design and build a jig for it.
I am not the greatest machinist in the world, and I started this table early in my experience level, so the fit and finish isnt pretty. When I visit Todd the next time, I hope to have him grind the parts of the table and my attempts at tool jigs, and when thats done, Ill post pictures.
In the mean time, I hope to see lots of pictures and techniques posted here so myself and others can learn from them, so TIA!
Chuck
RE: Using Harold Halls Deluxe Grinding Table and jigs - chucketn - 07-02-2014
I got talked into pics of my mess:
http://s571.photobucket.com/user/chucketn/library/
Chuck
RE: Using Harold Halls Deluxe Grinding Table and jigs - EdK - 07-02-2014
Looks like a lot of work went into that Chuck.
Ed
RE: Using Harold Halls Deluxe Grinding Table and jigs - chucketn - 07-02-2014
Yes, Ed, there was a lot of work, and new experiences. I learned a lot about milling with this project. I even made my own cutter for the dovetails and destroyed same. Ended up buying one and used the home made one to rough them out and the store bought one to finish. That was a butt puckering hoot of an experience! Then I learned what feed and speed were about, and added a tach sensor to the mill DRO!
Surface finishes arent great, but hey, it fits together where it's supposed to and is pretty much to plan.
I did convert the metric measurements and fasteners to imperial because I was on a tight budget and I had imperial stuff.
Chuck
RE: Using Harold Halls Deluxe Grinding Table and jigs - Mayhem - 07-03-2014
(07-02-2014, 08:35 PM)chucketn Wrote: ...That was a butt puckering hoot of an experience!...
Nice one
Nice job also.
RE: Using Harold Halls Deluxe Grinding Table and jigs - RobWilson - 07-12-2014
Chuck , looks like you have built a very nice addition to your shop and I am sure it will give you years of service ,nice one.Rob
RE: Using Harold Halls Deluxe Grinding Table and jigs - chucketn - 07-12-2014
I am building Harold Halls Drill grinding jigs from his book on Tool and Cutter Sharpening. The small drill jig is made of 2 square blocks that have a 90° V milled in them corner to corner. How do I set up to cut the V with a regular milling cutter? I am trying to use my mill vise with its rotating base, holding a 3 mill vise, holding a 2 machinist vise, holding the block.
Ive set the block to be milled in the 2 vise level with its base, and mounted the 2 vise at 45° in the 3 vise. I then mounted the 3 vise in the mill vise at 45°. That puts the plane of the V parallel to the mill table. I would think that rotating the mill vise to 45°would align the V with the y axis and Id be ready to cut, but it doesnt look right. What am I missing?
I can take a picture of my setup if necessary, and post a picture of the jig, also.
Chuck
RE: Using Harold Halls Deluxe Grinding Table and jigs - EdK - 07-12-2014
Chuck,
Yes, please post a picture of your setup and jig. I'm not quite visualizing it just yet.
Ed
RE: Using Harold Halls Deluxe Grinding Table and jigs - DaveH - 07-12-2014
DaveH
RE: Using Harold Halls Deluxe Grinding Table and jigs - chucketn - 07-12-2014
I will do that(post Pictures) in the morning when I get started again. I did review the chapter in HH's book and found a picture of how he set up the block to mill one of the V notches. I wish I'd seen and paid attention to it sooner! Sometimes I get too far ahead of myself!
As usually happens with me, I get messed up because I failed to read the whole story, and ask for help. Then while waiting for replies I re-re-re-read the instructing article and see what I either skipped over or what just didn't register in my pea sized brain the first time...
I am adapting metric plans to inch dimentioned material, though I do have a few metric taps and fewer metric dies...
Chuck