DAVE GINGERY LATHE PDF

Please help improve it or discuss these issues on the talk page. David J. Gingery Publishing Then I noticed something. Next I bought the rest of the books in the series.

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The up-scaled pattern for the bed support feet The up-scaled pattern for the bed, 4" wide, 24" long The bed pattern in the cope of the sand mold The drag portion of the sand mold of the bed Separating the cope and the drag of the bed sand mold was a real challenge I had to use a car jack on one side and a hydraulic separator on the other side because the sand mold weighed about 60 lbs and it had to be lifted perfectly vertical so as to not damage the mold cavity.

This took a long time and about 4 tries to get perfect. I was SO mad!!! The "art" that cost me 3hours Another 3 hours gone! And then I finally cast the first full part just to find huge shrink cavities. Another 3 hours down the drain! Another costly mistakes time-wise Re-hydrating the green sand after the parts were shaken out of the mold.

The sand was still hot, hence the steam Finally! There was a small shrink cavity in the center of the bed but since it was gonna be covered by the bedways I accepted the flaw for the sake of continuing on.

The underside of the bed The assembled support feet, bed and bedways A view from the bottom Pattern for the cross slide The cast cross slide. The lathe was creating quite a bit of chatter and a very rough cut until I added some brass shims around the bronze bushings to tighten up the spindle.

That made a huge difference and created a pristine finish Turning down one of the three 4-step pulleys I cast. I need two of to actually run the lathe so I made one spare one to turn down and one-by-one replace the rough ones that I used to run the lathe A cleaned up pulley. This was done before I fixed the bushings so the surface is still quite rough but at least concentric enough to run the v-belt without whobbling.

Another view of the pulley Next on the list was to make a pattern of the face plate. After about an hour of scraping I decided to leave it and move on.

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The Metal Lathe

The up-scaled pattern for the bed support feet The up-scaled pattern for the bed, 4" wide, 24" long The bed pattern in the cope of the sand mold The drag portion of the sand mold of the bed Separating the cope and the drag of the bed sand mold was a real challenge I had to use a car jack on one side and a hydraulic separator on the other side because the sand mold weighed about 60 lbs and it had to be lifted perfectly vertical so as to not damage the mold cavity. This took a long time and about 4 tries to get perfect. I was SO mad!!! The "art" that cost me 3hours Another 3 hours gone!

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My Homemade Metal Lathe Project

Go to part; 1 -- 2 -- 3 -- 4 -- 5 -- 6 -- 7 -- 8 Here are the bases freshly cast. You can see the sprue left on one. When the sprue is directly on the casting like this its called a "pop gate. This is so the bed will interlock with it. Here is a pic of the bed casting.

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