Thank you SOOOO much, Meredith!  This input is exactly what I was looking 
for.  Some of my replies got off on the wire and winding, which is still 
good information, but not exactly what I was seeking.

Do you have a preference or recommendations of material to make the coil 
bobbin?  As I mentioned, Chris had suggested the Epoxy Glass PCB material, 
but I had problems trying to construct the spool with such small dimensions 
and the adhesive too.

Thanks again,
Jerry

--------------------------------------------------------------------------------

  ----- Original Message ----- 
  From: meredith lamb
  To: psn-l@..............
  Sent: Wednesday, July 21, 2010 3:18 PM
  Subject: Re: A Sticky Question


  Jerry,

  Yes, glue is a real problem over a variety of materials that need to be 
glued.

  As far as commercially available brands (USA), there is one plastic glue 
I've come to favor; and that is
  Devcon brand, Plastic Welder.  Its a two part mixing glue that is meant 
for a variety of materials
  like hard plastic, vinyl, pvc piping, fiberglass (and metals and 
concrete).  Net volume 25ml.  Available
  in Ace Hardware stores and likely a variety of other sources; for roughly 
$6.  Its a plunger outlet nozzle.
  A little can go a long ways with your use.  One problem with re-use is 
clearing out the plunger tips
  with a nail (etc.) to allow free flow.  It's flammable, stinky stuff, and 
best to ventilate or use outdoors.
  It makes no mention of being waterproof; but I've used such in a 
magnet/metal holding fixture in a
  bathroom for ~ 3 years; and has seen no failure yet.  This does not bond 
to polyethylene or polypropylene
  plastics.

  I've used it on cloth to metal, metal to rubber and once even (clean) 
carbon plate to carbon plate with amazing
  (no failure yet, over ~ 2 years).  Some of these parts come into physical 
force contact and separation;
  but thus far its has been holding well.

  Once mixed it begins to harden very fast.  Although tricky to do, removing 
unwanted excess might call
  for another person (or holder) to hold the glued object, and wiping the 
unwanted excess off with a damp cloth.
  I usually let it dry for a full day; but it could be shorter duration.

  How well, long term it actually holds is probably dependent somewhat on 
having clean surfaces to begin
  with.  The actual holding force is unknown...I'am not sure at all as to 
the forces exposed to with coil
  winding forms.  One might conceivably try out bonding scrap pieces, 
letting dry, and physically trying
  to separate, bend, torque them; before application into your final 
project.

  Another glue is the same brand; Devcon 2 part "5 minute epoxy", but its 
relegated only to metal & wood,
  concrete, glass & china and ceramics.  Probably good for ~ frame parts 
holding.

  Take care, Meredith

------------------------------------------------------------------------------


  On Mon, Jul 19, 2010 at 7:42 AM, GPayton  wrote:

    In years past, I had difficulties in finding a "manual" coil winder and 
ended up with an old fashioned had drill.  (As you know, you have to search 
using the correct words or your mouth pursed just right to be successful.)

    Anyway, that hand drill is what I ended up with.  The EBay choices shown 
by Barry are interesting.  Thanks, Barry.

    Never-the-less, in past, I had more trouble finding proper shaped 
ready-made spools or bobbins to wind a coil.  And, if I tried to construct a 
rectangular shaped form, I had trouble getting the sandwiched parts to stick 
together!  I suppose that I did not have the correct adhesive.  I tried 
several without satisfaction.

    If anyone knows the secret to building a rectangular form, materials & 
glue, I'd appreciate knowing it.

    Regards,
    Jerry










Thank you SOOOO much, Meredith!  This input is exactly what I =
was=20
looking for.  Some of my replies got off on the wire and winding, =
which is=20
still good information, but not exactly what I was seeking.
 
Do you have a preference or recommendations of material to make the =
coil=20
bobbin?  As I mentioned, Chris had suggested the Epoxy Glass PCB =
material,=20
but I had problems trying to construct the spool with such small =
dimensions and=20
the adhesive too.
 
Thanks again,
Jerry




  
----- Original Message ----- 
  From:=20
  meredith lamb 
  
To: psn-l@.............. 
  
Sent: Wednesday, July 21, 2010 =
3:18=20
  PM
  
Subject: Re: A Sticky =
Question
  

Jerry,

Yes, glue is a real problem over a =
variety of=20
  materials that need to be glued.

As far as commercially =
available=20
  brands (USA), there is one plastic glue I've come to favor; and that=20
  is
Devcon brand, Plastic Welder.  Its a two part mixing glue =
that is=20
  meant for a variety of materials
like hard plastic, vinyl, pvc =
piping,=20
  fiberglass (and metals and concrete).  Net volume 25ml. =20
  Available
in Ace Hardware stores and likely a variety of other =
sources; for=20
  roughly $6.  Its a plunger outlet nozzle.
A little can go a =
long ways=20
  with your use.  One problem with re-use is clearing out the =
plunger=20
  tips
with a nail (etc.) to allow free flow.  It's flammable, =
stinky=20
  stuff, and best to ventilate or use outdoors.
It makes no mention =
of being=20
  waterproof; but I've used such in a magnet/metal holding fixture in=20
  a
bathroom for ~ 3 years; and has seen no failure yet.  This =
does not=20
  bond to polyethylene or polypropylene
plastics.

I've used it =
on=20
  cloth to metal, metal to rubber and once even (clean) carbon plate to =
carbon=20
  plate with amazing
(no failure yet, over ~ 2 years).  Some of =
these=20
  parts come into physical force contact and separation;
but thus far =
its has=20
  been holding well.

Once mixed it begins to harden very =
fast. =20
  Although tricky to do, removing unwanted excess might call
for =
another=20
  person (or holder) to hold the glued object, and wiping the unwanted =
excess=20
  off with a damp cloth.
I usually let it dry for a full day; but it =
could be=20
  shorter duration.

How well, long term it actually holds is =
probably=20
  dependent somewhat on having clean surfaces to begin
with.  =
The actual=20
  holding force is unknown...I'am not sure at all as to the forces =
exposed to=20
  with coil
winding forms.  One might conceivably try out =
bonding scrap=20
  pieces, letting dry, and physically trying
to separate, bend, =
torque them;=20
  before application into your final project.

Another glue is the =
same=20
  brand; Devcon 2 part "5 minute epoxy", but its relegated only to metal =
&=20
  wood,
concrete, glass & china and ceramics.  Probably good =
for ~=20
  frame parts holding. 

Take care, Meredith

  

  

  
On Mon, Jul 19, 2010 at 7:42 AM, GPayton =
<gpayton@.............>=20
  wrote:

  
    

    
In years past, I had difficulties in finding a "manual" =
coil=20
    winder and ended up with an old fashioned had drill.  (As you =
know, you=20
    have to search using the correct words or your mouth pursed just=20
    right to be successful.)
    
 
    
Anyway, that hand drill is what I ended up with.  The EBay =
choices=20
    shown by Barry are interesting.  Thanks, Barry.
    
 
    
Never-the-less, in past, I had more trouble finding proper =
shaped=20
    ready-made spools or bobbins to wind a coil.  And, if I tried =
to=20
    construct a rectangular shaped form, I had trouble getting the =
sandwiched=20
    parts to stick together!  I suppose that I did not have the =
correct=20
    adhesive.  I tried several without satisfaction.
    
 
    
If anyone knows the secret to building a rectangular form, =
materials=20
    & glue, I'd appreciate knowing it.
    
 
    
Regards,
    
Jerry
    
 
    =
 

=