Elmer's horizontal mill engine.

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modeldozer:
Next up, the large hole was drilled and bored.

The mounting holes in the bottom was drilled and taped.

The top end was cut down and machined.

A ball nose cutter was used to finish the small radius on the sides.

Sides all done.

The top end was done the same as the short post.

Made some studs in the lathe.

All the base parts together.

The cutter for cutting the crank slot arrived, so next up is making an arbor for it.

Cheers for now.
Abraham

modeldozer:
Hi all,

Got so involved in building the engine I did not do any updates in a while.

Finished the arbor, to be used later.

Mounted a piece of 6mm mild steel plate on the mill and machined the long sides parallel and to size. Then using a spot drill some grooves was “engraved” lengthwise.

The mill does not have enough cross travel to do the sides, so the work was rotated and the one end milled square. Half of it was then grooved.

Then rotated 180º and the last groove picked up to finish the grooving to the end. The end was then milled square and to length.

The plate was flipped over and all the hole drilled and counter sunk.

All done.

The base was mounted on its side.

The side and face cutter was used to finish the cutout for the crank and conrod. As the cutter has only a few teeth this was very slooow going.

With everything assembled the bearing posts was first drilled and taped for lubricators.

The assembly was then mounted on its side for boring the bearings.

Had to use one of my lathe boring bars to reach down both bearings.

With the bushes and a few bits added.

I did not like the fit of the bushes so they were remade.

With the help of a fixture the crank web was mounted on the mill.

The side and face cutter was then used to cut the curves on the crank. Can anyone notice something odd in this picture?

The cutter was mounted other way around and the mill ran in reverse to get a better cut.

Hot off the mill.

After filling the end and a bit of a cleanup.

The end of the crankshaft was given a light knurl.

The crank was pressed on and tin soldered.

Cleaned up.

Cheers :beer:
Abraham

Topos:
Astounding!

Your generosity in showing successive steps served as
the equivalent of attending a master class in machining.

Admire your talent. Shall try to emulate some of the clever
set ups that will be used in a project.

Thank you, Sir!

modeldozer:
Hi Topos,

Thank you for the kind words.. I learned a lot from others in forum posts.

Cheers
Abraham

modeldozer:
And the saga continues.
A couple of 5mm plate strips were machined square and to size.

They were setup together and drilled,

to form the top bars of the crosshead.

Two pieces of calibrated bar was milled to size for the bottom parts of the crosshead. This took a bit of time, as the only material I had was 30 x 15mm and the parts are 22.5 x 9mm.

Mounting holes drilled.

Setup on the mill to machine the cutouts.

A temporary end stop was set to get the other part located.

Both parts done.

4 studs were made.

All the parts for the crosshead.

And fitted.

Cheers
Abraham

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