First mini lathe project, oscillating steam engine.

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DaveH:
Ross,

Perfect :thumbup: :clap:

:beer:
DaveH

doubleboost:
Looking good
Ross
It wont be long before it is a runner :drool: :drool: :drool:
John

Divided he ad:
Very interesting reading through this Ross.

It's easy to forget the amount of things that just "don't go right" when you first get your machine/s. :doh:

We've all had and still often do have those arrrggg! moments where it takes a great deal of self control not to throw your work at the nearest wall! :bang:

Glad you persevered and obtained the good results :thumbup:

Looking forward to the "it's running" post.... but not as much as you are eh? :)

On the taps and die front.... Are you using split dies or die nuts? Makes quite a difference.

Just to add my 2p worth.... I always undersize a part to be threaded "male" and oversize a part to be threaded female.

It depends on thread dia and pitch as to just how much it really makes a difference. My torches M12x1.5 are quite forgiving. model size stuff I make using M2 threads are not! Time and experiences (stressful as they are) will let you know where the detail is required :thumbup:

Ralph.

Ross:

--- Quote from: Divided he ad on May 18, 2012, 12:10:33 PM ---

On the taps and die front.... Are you using split dies or die nuts? Makes quite a difference.

Just to add my 2p worth.... I always undersize a part to be threaded "male" and oversize a part to be threaded female.

It depends on thread dia and pitch as to just how much it really makes a difference. My torches M12x1.5 are quite forgiving. model size stuff I make using M2 threads are not! Time and experiences (stressful as they are) will let you know where the detail is required :thumbup:

Ralph.

--- End quote ---

Hi Ralph,

Ive got a mixture of split and nut type dies, the smaller ones are split type.

I'm getting there with the threading I think, it's all trial and error.

Ross:
Hi everyone.

Today I put the final pieces together for this engine,

I marked out the holes on the base and the engine post.

I then drilled and tapped the holes in the post to M6 I drilled the hole for the crankshaft too.

And drilled the holes in the base with sunk holes for the bolt heads.

Next I assembled the base and post.

And finally I assembled the other bits and bobs. Just the flywheel ad pipe work to do now!

I tried machining the recess on the flywheel with no luck. The tool rubs alot has anyone got any further tips on this?

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