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CrewCab:
Steel is always more difficult to get a nice finish on, would they work in aluminium, that would also give you the contrast but easier to polish ................. just a thought :coffee:

CC

Darren:

--- Quote from: CrewCab on August 08, 2009, 04:00:19 PM ---Steel is always more difficult to get a nice finish on,
CC

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I'm glad you said that Steve, I was begining to think it was just me :scratch: Some steels do seem better than others though.... :dremel:

Sorry Tim, I'm leading it :offtopic:

spuddevans:

--- Quote from: CrewCab on August 08, 2009, 04:00:19 PM ---Steel is always more difficult to get a nice finish on, would they work in aluminium, that would also give you the contrast but easier to polish ................. just a thought :coffee:

CC

--- End quote ---

I think the problem is with the junk piece of some unknown variety of steel that I used to make the topcaps from. The 2nd one was much more consistant to cut, but the 1st one was a real swine. There was like little bands of really really hard stuff, so hard that while just taking a cut of about half the width of a gnat's hair the unknown steel just chamfered my sharpened and honed Hss tool, and after re-sharpening the tool the steel just laughed and did the very same again.
It's funny that the second topcap turned from the very same steel bar cut much easier with no tough spots or blunting of toolsteel. Maybe I'll try and make another and hope that the steel is kinder to work with.

If that doesn't work I'll probably make them out of brass, although when ( or if ) my blinging is done either brass or steel would do for achiving what I have in mind.

--- Quote from: Darren on August 08, 2009, 04:13:05 PM ---Sorry Tim, I'm leading it :offtopic:

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Makes a refreshing change from me leading it :offtopic: myself :)

Tim

bogstandard:
I think you have got the wrong end of the stick when it comes to blinging bits of scrap.

If you think my bits come off the lathe all nice and shiny, you would be a long way from the truth.

It takes longer usually to polish a part than to make it. Files, emery cloth, wet and dry, plus loads of finger aching flatting and elbow grease, and that is just to get it to looking almost nice. Every machining mark has to be removed and the surface got to a flat satin like sheen before you can proceed any further and start to polish. Otherwise you just end up with what looks like a bit of polished up scrap.

So don't think that getting a good finish by machining is the hard part, it is nice to get a good finish, but that is only the first bit.

The little wobble engine I have just blinged up could easily have been finished in a day. It took me another four days smoothing and shaping to get to the finished product.

Bogs

CrewCab:

--- Quote from: Darren on August 08, 2009, 04:13:05 PM ---I'm glad you said that Steve,
--- End quote ---

Who's Steve :scratch:

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