Little boxes all wrapped up in ticky tacky !

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vtsteam:
Excellent! :thumbup:

NormanV:
I did a similar thing to fold 3mm Perspex for a university project except that I used an end mill angled at 45 degrees to give 90 degree grooves. I then heated the Perspex to fold it up into a square tube. It turned out very well. (I got an "A")
Norman

awemawson:
Thanks for the kind comments chaps :thumbup:

So flushed with the success of the little box I thought I'd have a crack at one that's been outstanding since I got the Traub CNC lathe. The 'Automatic Oiler' has a plastic cover that was broken before I got the machine. Manufacturer and his agents all have failed to produce a spare.

I had intended to patch it up with gaffa tape, use it as a mould for Plaster of Paris, and when the lump had set use it as the form for my vaccum moulder. I even got the P of P, but hadn't tried as I've always had problems pulling down the hot sheet on such a relatively deep form.

So why not try the new box making technique - well I did and it's a complete success :ddb: The box is cut from 1.6 mm galvanised sheet on the CNC mill, bent by hand, then soldered with the new 'lead free' plumbers solder. This is about the only good use I find for the 'lead free' solder. It's harder than 60/40 lead/tin, and solders galvanised very nicely - stays fluid too long though.

Pete W.:
Hi there, Andrew,

Are you going to move the circuit diagram over? Aerosol label remover might release it from the plastic box.

awemawson:
Pete certainly that is my intention. I had a tentative scratch at it earlier and decided it wasn't the thing to do in a hurry. I may well chop up the old box to aid it's removal. However inside the oiler is it's installation booklet which has the same diagram, so I may just scan and reprint it. Mind, it's (not surprisingly) saturated with oil.

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