Yet another guy tries to fix his Sieg SX2 looseness

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MetalMuncher:
Good solution! Always another way to skin the proverbial cat. * :)

I did not have a problem drilling and tapping mine 3/8 - 18 last night. I think as long as you avoid an imaginary line drawn upward from where the casting "foot" inner edge starts the gap seen between the feet at the bottom, you will be OK. I went inward, placing the holes right next to either side of the 4" wide vertical plate. But you could probably also go outward onto the area above the foot, so long as you don't use too large a hole.

My take on the risk of casting voids was if I did run into a problem on either hole, I would switch to making a steel
bar wrapping around the back side of the casting, screwed into the sides, tapping that instead. But the underfoot method described above would remove all issue of casting void dangers.

* (No animals were harmed in the making of this modification. )

superc:
Sigh. Russell, where were you when I was pondering the shape of my column back rest and what size plate I would need?

That is actually a very good idea. Instead of an upside down T shape an upside down Y shape with long arms on the Y bent at 90 degree angles so as to go under the base and to the bolt holes for where the base bolts to the table.

I hope the next X2 modder picks that up. T'would be far more monolithic than the T plate as far as making everything one piece goes.

Five minutes with a rosebud on the torch should be sufficient to droop most 1/4" plates over a 90 lip. Slow cool of course. I think I would do the Y cut before the bend of the metal. Maybe place the mount bolt holes before bend too. Do the column bolt hole afterwards of course because you wouldn't really know the precise position until after the bend happened.

velocette:
Hi
the proposal by Russel is a great idea can I do a bit of a leap frog on it and suggest that instead of bending the back plate.
Is that you use an angle iron bolted under the base and drill the bolt holes with the angle bolted to the base and the backplate clamped to it.
Apologies all round for Hi Jacking this thread.
A working life around machinery maintaining and modifying it is a vice that has developed to see someone else have a good idea and pounce on it to try and make it better.
Pity I did not get this info earlier my X2 has a "Rat Nest" on the column stiffener.
Eric

Stilldrillin:
The different possible permutations in this project, keep reminding me of the recent recycling advert.

"The possibilities are endless"........

Love it! The spirit of Modder. Keep 'em coming...... :thumbup:

David D

superc:
Velocette, (Nah, that isn't a hijack. It is still on X2 column mod, so I think it is on topic) the reason I would rather have a bent Y (with the arms looking more like a square cut U with a tail) is quite simple. One piece and not three (or 8 if we include nuts, bolts and lock washers, each as a possible failure point).
I am thinking hot or cold rolled plate 1/4" to 3/8" thickness. About 13" on the bottom Y axis side and 10" high on the Z axis in back. It may weigh about a kilo, but it would definitely stiffen everything. You would have the 2 bolt holes on the left for the base mounts, 2 on the right for the base mounts, and the one column bolt hole in the rear. Slide it on from the rear over the column bolt hole and put the legs under the base. Then bolt down the base and tighten the column bolt washer. Put your two top bolts in (really only 1 would be needed, but let us hear it for redundancy) when you got it all trammed. Ain't no way that unit would ever flex or move again if you didn't wish it to.

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