Gallery, Projects and General > Project Logs |
Modifying a Grizzly 9 X 19 (G4000) |
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sbwhart:
Hi Bernd That Turcite stuff sounds like the dogs b*****ks, an interesting project to do will be watching with great interest. Have fun Stew |
bogstandard:
I shouldn't think you would have any trouble getting the carriage to sit level. Get the main bed level, stick your super-duper material onto the v-way. Put carriage onto prism slides and using feelers on the uncoated side to get the carriage level. Make your turkey stuff the same thickness as the feeler pack minus say 0.002" to allow for epoxy thickness. That should get you very close, then if it does need slight adjustment, onto the surface grinder for a tiny skim and true up until the carriage sits perfectly level. John |
Bernd:
John, Sounds good. I need to get some epoxy now and on with the project. Will report when I've got it done then. Bernd |
Bernd:
Have done a bit more on the Grizzly carriage. After I ground the cross slide table parallel I mounted it on the Bridgeport table and slid the carriage on to it upside down. I aligned the whole works with a square. Next I took a piece of 1/2" square stock and used a short piece as an alignment tool. I clamped the tool down with some parallel clamps I had made. I then checked for "zero" at both ends. And once in the middle just to make sure there was no bowing. I then took the alignment tool and milled one corner off. This would provide a flat to take measurements off of so I could get the proper depth. I could have used a piece of hex stock, but don't have any in stock. First to get milled down was the large flat. As you can see it didn't come very level from the factory. That's just a light cut to see how much needed to be milled off. I eventually took off .06" (1.5mm). About the thickness of the Turcite on both the flat and V groove. Next was the V groove. It entailed cutting one side at a time. I kept working the depth (Z axis) and Y axis to clean up the V groove. I kept measuring until I had taken the V groove close to .06" (1.5mm) deeper. This is what the Turcite looks like that I have. The greenish side is the side that contacts the sliding surface. The brownish side is the side that gets glued to the machine part. The material is easily cut with a sharp utility knife. It's also very flexible and can be bent in a circle. Next job will be gluing strips on to the carriage using epoxy. Your just going to have to wait till I purchase some glue before I can go on with the thread. So until next time. Bernd |
Darren:
Looks like you have been busy Bernd :dremel: A very interesting thread, please keep it coming. It's great to see how you are tackling this project :thumbup: |
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