New steel ball tech.........bye bye silver solder!!!

Been a while since last post, seems like I get less and less time to browse the stop-mo site!! I'm not an advocate of using this forum to promote my gear but I developed something really cool a while ago that's caused a few ripples in the armature construction world............

I call them "Ball Stems", fabricated from a single piece of 304L stainless steel in two sizes ( 6mm ball with 70mm M3 threaded stem and 5mm ball with 70mm M2 threaded stem).

Saved me a ton of time soldering and a few less burns!!!! Just thought I'd share with you guys who understand the pain of silver soldering!!!

All the best

JC

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Those are really great!  I am not so sure that it would be saving any time, however.  It must have taken a great deal of time to turn a ball shape on a rod and then machine down the entire length of rod and then thread the shaft.  I would think it would be a lot faster to drill holes and solder, but then maybe you have a technique for doing this I am not aware of.  But they definitely look great!

Thanks for your kind words John!

I have thousands made at a time for my workshop, wouldn't dream of turning them myself!! Tooling up cost a fair amount but they've been more than worth it........

 

JC

Lol, well that's definitely a time saver then!! 

Nice

Silver soldering was always my weak point, so a one piece ball and rod would be great!  But it comes down to price, whether I would go with balljoints or stick to my usual wire armatures.  Getting them done in a big batch is definitely the way to go.

Are you offering these for sale?

Looks like Julian has a new website up and running selling the rods

http://www.stopmotionshop.com/new-5mm-stainless-steel-ball-stem-307...

Holy Stem Batman! This is a game changer! The threaded balls on all the other kit armatures have been their greatest weakness... REVOLUTION!

Fantastic, might order some up soon. I noticed you also supply connecting brackets for joining rod to rod. Just out of interest how are the threaded rods secured in the bracket?

NB. sorry just found what I needed on your site "Secure with Epoxy Glue, Threadlocker or counter-tighten with a full nut"

That'll do it!!

Ultimately you would solder the brass connecters, but I've found using a good quality Threadlocker like Loctite 638 on the threads, backed up with counter tightened nuts does the job lovely. Also, wrapping some epoxy resin like milliput around the join will strengthen further, but all depends on your puppet design!!

All the best

 

JC 

I would most likely file (or Dremel®) a couple of grooves along the length of the screw into the threads. That way when I would use 2-Ton epoxy to glue it into the brass coupling, that gap would be filled with the adhesive in a way that would never want to move.

Like this...

i'm stunned and very excited, and have ordered some tonight... Can we talk to you about smaller sizes too?

i'd be interested to know how small these could be reduced to...

thanks for such a great idea.

Thanks for the order John! Had a look on your website and fantastic looking work!!

What sort of size are you looking for? email Julian@julianclarkstudios.co.uk for a chat.

All the best

JC

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