Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

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Default Blades

I am getting an idea of how to make a wire stripper. I will need blades of
some sort. Something that is very sharp, and that will stay sharp, and take
abuse. I want to find something out of a used machine of some type. My
friend also bought a small stripper that uses what looks to be a blade out
of a copper tubing cutter. It has drive gears to push the wire through an
opening, and the blade slices the coating. I was wondering about something
like that, or driving it over a stationary slicing blade to skin off just so
much. Any suggestions? Ideas?

Steve

www.heartsurgerysurvivalguide.com


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Default Blades

On 01/17/2012 07:48 PM, Steve B wrote:
I am getting an idea of how to make a wire stripper. I will need blades of
some sort. Something that is very sharp, and that will stay sharp, and take
abuse. I want to find something out of a used machine of some type. My
friend also bought a small stripper that uses what looks to be a blade out
of a copper tubing cutter. It has drive gears to push the wire through an
opening, and the blade slices the coating. I was wondering about something
like that, or driving it over a stationary slicing blade to skin off just so
much. Any suggestions? Ideas?


You might model it after a mouse's jaw. Use gnawing action.
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Default Blades

On Jan 17, 10:48*pm, "Steve B" wrote:
I am getting an idea of how to make a wire stripper. *Any suggestions? *Ideas?

Steve

www.heartsurgerysurvivalguide.com


When I am doing wiring, I strip the wire using linemans pliers. You
do not put the wire in the jaws of the pliers. Instead you put the
wire right behind the pivot on the handle side. And when you mash
down on the handles , the insulation in crushed.

You might make a wire stripper that works the same way. Two rollers
spaced apart by slightly less than the diameter of the wire. The wire
goes through the rollers and the insulation is crushed into two
pieces. No sharp blades to get dull.

Harbor Freight used to sell a rolling mill similar to this one.

http://www.amazon.com/Rolling-Mill-J...uct/B000RB5CXC
\
Dan

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Default Blades


"Steve B" wrote in message
.. .
I am getting an idea of how to make a wire
stripper. I will need blades of some sort.
Something that is very sharp, and that will stay
sharp, and take abuse. I want to find something
out of a used machine of some type. My friend
also bought a small stripper that uses what looks
to be a blade out of a copper tubing cutter. It
has drive gears to push the wire through an
opening, and the blade slices the coating. I was
wondering about something like that, or driving
it over a stationary slicing blade to skin off
just so much. Any suggestions? Ideas?

Steve


For stripping the insulation off that pile of
copper wire? I'm questioning
_your_ skills...... ;)}



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Default Blades

On 1/17/2012 10:48 PM, Steve B wrote:
I am getting an idea of how to make a wire stripper. I will need blades of
some sort. Something that is very sharp, and that will stay sharp, and take
abuse. I want to find something out of a used machine of some type. My
friend also bought a small stripper that uses what looks to be a blade out
of a copper tubing cutter. It has drive gears to push the wire through an
opening, and the blade slices the coating. I was wondering about something
like that, or driving it over a stationary slicing blade to skin off just so
much. Any suggestions? Ideas?

Steve

www.heartsurgerysurvivalguide.com




How much volume? The BIG users of wire that need it stripped use
machines that use wire brushes to quickly and accurately strip wire.
It's simply two brushes that rotate against each other and the wire is
inserted and held between them and ZING---wire is stripped. I don't
make these but I handle them.


http://www.osborn.com/ProductDetail....125&OverStock=
http://www.osborn.com/XTab.aspx?cat=... &grp=231TT12




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Default Blades

We have a Eubanks 2700 at work that I found for us on Ebay several years
ago. It uses three pairs of blades about 3/4" wide by 1" tall by maybe
0.04" thick with a V sharpened into the ends. The left pair cuts the
insulation for the strip on the leading end of the next piece of wire to be
ejected, the middle pair cuts the wire so the current piece can be ejected,
and the right pair cuts the insulation to strip the trailing end of the
current piece. A so-so pic can be seen in the fourth picture at the bottom
of ebay item 370546571759. The three lower blades are ganged on a cross bar
which is driven up by a pneumatic cylinder with the stroke controlled by a
micrometer, you set the upper set and lower set independently to keep the
wire centered and to just cut the insulation without nicking the wire, and
the three upper blades are on a similar set up to push down. Strip lengths
are set by the blade spacing, cut lengths are set in the computer and
measured with a rotary encoder. The only differences between a 2600 and
2700 are the range of wire sizes and cut lengths, the mechanics are almost
identical. These workhorses date from maybe the early 80's to not too long
ago, and can be had for well under $1000 which may get close to what you can
build something for. Eubanks is still in business, you could ask them how
much for a set of blades. We are still on the set that came with our
machine :-).

-----
Regards,
Carl Ijames
"Steve B" wrote in message
.. .

I am getting an idea of how to make a wire stripper. I will need blades of
some sort. Something that is very sharp, and that will stay sharp, and take
abuse. I want to find something out of a used machine of some type. My
friend also bought a small stripper that uses what looks to be a blade out
of a copper tubing cutter. It has drive gears to push the wire through an
opening, and the blade slices the coating. I was wondering about something
like that, or driving it over a stationary slicing blade to skin off just so
much. Any suggestions? Ideas?

Steve

www.heartsurgerysurvivalguide.com



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Default Blades


" wrote:

On Jan 17, 10:48 pm, "Steve B" wrote:
I am getting an idea of how to make a wire stripper. Any suggestions? Ideas?

Steve

www.heartsurgerysurvivalguide.com


When I am doing wiring, I strip the wire using linemans pliers. You
do not put the wire in the jaws of the pliers. Instead you put the
wire right behind the pivot on the handle side. And when you mash
down on the handles , the insulation in crushed.

You might make a wire stripper that works the same way. Two rollers
spaced apart by slightly less than the diameter of the wire. The wire
goes through the rollers and the insulation is crushed into two
pieces. No sharp blades to get dull.

Harbor Freight used to sell a rolling mill similar to this one.

http://www.amazon.com/Rolling-Mill-J...uct/B000RB5CXC



Some large photocopiers have a nice set of gear driven rollers, with
adjustments on each end to set the tension. One thing, though. You want
a plate with holes in front of the gap, to keep your fingers out of
them, and you don't want to hold the wire too close to that plate in
case you get a loop around your hand, or a finger. A footswitch is a
nice safety feature, too. The AC motor that drives the copier may be
heavy enough to drive the machine, as well.


Some areas have plenty of junk machines that no one wants to bother
with picking up. I passed a repair place a few months ago, and there
were about a dozen sitting by their dock. I was too sick that day to
stop, and ask about them. There is a lot of nice rod & bearings in
some machines, and up to a half pound of good quality hardware.

I have one to pick up, as soon as I have room for it, but I hate to
scrap it. It has about $500 worth of new toner cartridges stored in the
base.


--
You can't have a sense of humor, if you have no sense.
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