Comments on RepRap: Blog: The Icing on the Cake

The solder trick works. I was trying to attach NiT...

2008-02-11T21:21:00.000Z

The solder trick works. I was trying to attach NiTi ('shape metal') wire & did this by accident. I'd try titanium wire.

I was going to try embedding a piece of stainless ...

2005-05-16T03:31:00.000+01:00

I was going to try embedding a piece of stainless steel wire in solder applied over a hole in some brass. In theory, if I pull the wire out straight, I get a neat hole equal in diameter to the wire.

nice update. the viscosity issue makes sense. now ...

2005-05-15T17:57:00.000+01:00

nice update. the viscosity issue makes sense. now wondering if our earlier offline(?) discussion on injection molding style internals is still applicable. i'd venture it isn't.

Not at 90 deg C, which was as hot as my experiment...

2005-05-15T15:40:00.000+01:00

Not at 90 deg C, which was as hot as my experiment could go. Next I'm going to try a glue gun heater (as opposed to hot air) which will take me up to about 140 deg C. I think that a big no-no is long parallel-sided tubes (like syringe needles), as then the viscosity really becomes a killer. Better to have a fat pipe reducing to small diameter at the last minute. I've been able to find drills as small as 0.2mm in my local hobby shop.

- Adrian

I recently tried pushing a plastic similar to poly...

2005-05-15T15:35:00.000+01:00

I recently tried pushing a plastic similar to polymorph through a syringe with a 1.5mm opening and found it very difficult. Have you had any luck pushing polymorph through the pipette tip?