Modifying a Grizzly 9 X 19 (G4000)

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Gerhard Olivier:
This turcite looks like a very nice material. How much presure will it be able to take???

Gerhard

Bernd:
Thanks Darren.

I have a feeling this is going to be one long thread before I get this lathe to were I've be thinking it should be. I just hope I don't get it to messed up.

I temporaily put a couple of the turcite strips for under the carriage. Already it slides much smoother than it did on metal to metal contact.

Next on the to do list is glue the strips on, scrape for a nice bearing surface, and make the gibs.

Bernd

Bernd:
Wow, I can’t believe it’s been almost 3 months since I last posted on this project. I have worked on it off and on, more off than on.

First to answer Gerhard’s question. I don’t know how much pressure it will take. I do know that some of the castings that this material was applied to weighed up to 2 tons or more. So I would say it can withstand a high pressure. More than what I believe we would use it for.

Now on to the gluing and scrapping to get the slide in its proper position.

Here are the materials that I used, a 60 minute epoxy, acetone for a cleaner, piece of card stock to mix the epoxy, the piece of turkite and some weights.

Mixing the epoxy.

The large flat area gets the first piece glued to it.

Then one side of the “V” grove. Notice the squeezed out epoxy. This will get trimmed with a scrapper.

Once both sides a glued in and a couple of days to fully dry, the ends are trimmed to length.

A quick pic of how the “V” grove pieces were held in place.

And there we have it, the three pieces glued in.

Once I determined how bad things were out of alignment it was time to start scrapping the turkite. As you can see that’s .079” off just from the left of the indicator to were it is set now. Lots of scrapping to do.

And here’s why. The one “V” groove. I setup the Bridgeport again and used the 90 mill to bring it back into proper alignment. After I did that there wasn’t much left to get it close.

After a bit of scrapping I set the indicator to “0” on one side of the surface and then checked the other.

And here’s the other side.

So that’s where this project stands at the moment. Next will be to figure out the making of the way gibs. Going to have to go back and read how it was do on Darrens lathe before I can go any further.

Until next time.
Bernd

Rob.Wilson:
Hi Bernd

Great thread , i love this sort of stuff , nothing better than a bit of machine surgery :headbang: :headbang: :headbang: keep it coming

Cheers Rob

Bernd:
Thanks Rob.

The scrapping job was the hardest to get done. A real pain in the butt. It's not 100% but will have to do. Now I can get on with the more interesting stuff.

Don't hold your breath though, you'll pass out. I may but this away again and not touch it for some time. :thumbup:

Bernd

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