wire problem

wire problem

Post by Jean-Charles Gregoi » Thu, 09 Mar 1995 07:47:20


When I take out my spring from my foil, the little wire head often comes out
with it!  The wire is then useless.  Why does this happen?

am661
JC
--
Jean-Charles Gregoire,      |            . o        c ,

                                          /'>      <`\

 
 
 

wire problem

Post by CJarr » Fri, 10 Mar 1995 03:28:07

Quote:
>When I take out my spring from my foil, the little wire head often comes
out
>with it!  The wire is then useless.  Why does this happen?

I take it that by "little wire head" you are referring to the soldered
contact which normally would stay in the bottom of the barrel if you
remove the point top and spring...  I don't know precisely why it's coming
out, but I suspect that you (or someone) is not assembling your point
correctly.  If this weren't a text-only medium I'd draw pictures, but
words will have to do (please excuse me if I tell you a bunch of stuff you
already know):

When you wire a foil you solder the wire to a the flat side of the
contact.  You then thread the wire through the plastic "cup" in which the
contact is supposed to sit... The wire should be soldered in such a way
that no uninsulated wire is exposed below the the insulating contact cup.
I'm assuming that the old wire has been removed from the foil's wire goove
(as well as as much of the old glue as is possible - I scrape it out with
an jeweler's screwdriver - there are probably better and more appropriate
tools).  Screw the barrel onto the tip of the blade, then thread the wire
(unsoldered end) through the small aperture in the barrel where the wire
grove is...  If you sew and thread needles on a regular basis this will be
a piece of cake for you, but I don't sew and it usually takes me three or
four attempts.  Gently pull the wire through so that the plastic cup, with
the contact sitting in flat side down, enters the barrel from the top and
rests in the bottom of the barrel.  I usually use a jeweler's***driver
to ensure that it is firmly set in the bottom of the barrel.  Glue the
wire into the grove (this can be an art in itself). After that,  insert
the spring.  Insert the point top, and... well if you got as far as
removing the spring before, you know the rest.

If the tip is assembled in this way, you shouldn't have any extra pieces
falling out next time you need to remove the spring.  And hopefully,
you'll only need to do that if it gets too weak to pass the weight test.

Hope this helps.

Chip Jarred



 
 
 

wire problem

Post by Mark C. Ort » Fri, 10 Mar 1995 04:22:23


Quote:
> When I take out my spring from my foil, the little wire head often comes out
> with it!  The wire is then useless.  Why does this happen?

I can think of two possibilities:

(1)  The wire had already become detached from the little contact.
     (If this is the case, the wire was already useless - you just
     didn't know it yet.)

(2)  The spring is a little too small, and instead of sliding onto
     the contact easily, it has to be jammed on.  When you pull the
     spring out, the contact gets tugged off the wire.  This could be
     caused by mixing different brands of springs and wires - they
     are not all the same dimensions.

--
      Mark C. Orton
      USFA ***ia Division secretary/treasurer
      (The elected kind, not the paid kind)