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Old 03-25-2011, 04:55 PM
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Default Re: American 7260 crawler crane

Hi Guys

A few people asked for some more pics off the building stage.
Well thanks to this nice forum i found some inspiration again.
So i decided to work on the orange peel grab and make some parts for it.
The most difficult parts are done but a lot of small parts have to be made.
Like shave house and shaves from the top and bottom flange and the top hoist eye.
This is the current state at this moment.



And this is the shave house and shaves from the top and bottom flange and the top hoist eye that need to be made.









Programming some parts in the cad program to upload them to an wire edm machine.
A wire edm machine is a beautiful machine for model building.
It's an expensive machine so it's not accessible for most of us but my boss got a few that i can use after work time.
Al these parts can be made with other methods as well but this makes it much easier and faster.
I made a lot of parts in the past the conventional way but now i am lucky enough to have access to these machines.



Program uploaded to the machine.



Machine while cutting the parts.



Left over material.



And the result.





And these are all the parts needed for the shave house and shaves from the top and botom flange and the top hoist eye.



The bottom flange with shave house soldered together with silver solder and the shaves assembled.



The next step is the soldering of the top flange with the shave house and the hoist eye.
Hope you enjoyed it so far.

Eef
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