by cas99 on Tue Sep 08, 2009 1:29 am
Thanks to Brooklynshot and others for the great idea.
How to make your own replacement Europiccola frothing tip for less than $5.00.
I found M6 stainless steel acorn cap nuts at ACE Hardware for about $.50. I picked up a 1/16" medium quality drill bit for $1.79. Wet-and-dry sandpaper is cheap. I wanted a threaded rod, but settled for a $.40 80mm M6 bolt. I cut off the head so I could put it in my electric drill, threads extended outward (a tinkerer's lathe). I used it to hold the acorn nut when I filed off the hexagonal shape to make a stream-lined and easier to clean tip.
To drill the 1/16' hole, I put the cap nut nut in my vise, used some cutting oil, (or 3-in-1 oil) and drilled slowly without much force to avoid burning or breaking the thin bit.
Wear safety glasses
*carefully clamp your electric drill in a vise with padding (so you don't squeeze the drill's housing and damage it) so that the drill angles upward
*screw on the acorn cap nut and turn on the drill
Wear safety glasses
*firmly hold a flat file against the hexagonal outside of the nut until the bullet shape is formed - this will take some care and patience
*lightly stretch a strip of wet and dry sandpaper in the fingers of both hands, and hold the strip between your fingers against the metal starting with 400 grit finishing at 800 grit. Keep your fingers away from the metal because it is hot.(You can polish as much as you want with finer papers or compounds.)
*finish off with stainless steel kitchen sink polish or Brasso on a cloth (again, take care not to burn your fingers)
*let the rod and polished bullet shape cool
Finally - so you don't damage the bullet when you remove it from the threaded rod:
*wrap a piece of thick leather or flexible dense plastic around the bullet
*make certain that the pad protects the bullet from the plier's teeth
*using the plier's jaws, gently unscrew the bullet from the threaded rod. It could be snug.
*ream the end if necessary with a hand-held drill bit
*clean any metal filings out with a Q tip; polish with Brasso and wash with hot water & detergent
Extremely easy to make. And you don't need any special equipment either: just an electric drill, a file, and a vice. Drill from the open end, not the dome, to avoid the drill skating off. A simple jig will hold the nut dome side down. If the hole isn't exactly centered, it doesn't matter as foaming works best when the nozzle is at an angle to the milk rather than vertical. All in all it took between 15 and 20 minutes, and was well worth the effort. It makes really nice froth.
Thanks to all the contributing posters.