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Posted by Gnome on November 9, 2007, 5:20 pm
Hi,
I have a Consew 29 leather sewing machine, mine is motor driven.
show/hide quoted text
See <http://www.mansew.com/music/leather.htm> right at the bottom of
the page.
Have been trying to sew 5.5oz "upholstery" leather, yes I know its
heavy...more like chap leather
but thick and heavy is he whole point of my project so I don't want to
go much thinner.
The leather is very loose and soft and the machine has no problems
with it.
Now the problem is the seams. There are areas where two or even three
pieces meet and must
be sewn together. In keeping with common practices and good
workmanship the pieces must
be folded so leather back side and edges are hidden from view, and
this results in as much as
6-7 layers of leather that the needle has to punch trough...and NOW
the machine is getting into trouble.
Problem is that the "pile" of layers tend to get out of alignment as
the machine is working it.
Have tried clamping the seams with large alligator clamps, and it does
help somewhat, but anyhow
these seams which can be up to 1/2" thick is just too hard and plain
ugly.
What can be done about this?
I guess the leather will have to be skivered (thinned down) at the
seams, maybe to less than half the thickness.
Have tried using a couple of those hand skiver tools, but these are
probably meant for that hard
vegetable tooling leather, but my leather is very soft and stretchy
and they just won't cut it.
Maybe one of those crank or electric leather skiver machines??
I don't have one, and buying one just to find out if it works is a tad
too expensive...
Any help greatly appreciated.
E.K
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Posted by Ron Anderson on November 10, 2007, 9:07 am
show/hide quoted text
> Hi,
> I have a Consew 29 leather sewing machine, mine is motor driven.
> See <http://www.mansew.com/music/leather.htm> right at the bottom of
> the page.
> Have been trying to sew 5.5oz "upholstery" leather, yes I know its
> heavy...more like chap leather
> but thick and heavy is he whole point of my project so I don't want to
> go much thinner.
> The leather is very loose and soft and the machine has no problems
> with it.
> Now the problem is the seams. There are areas where two or even three
> pieces meet and must
> be sewn together. In keeping with common practices and good
> workmanship the pieces must
> be folded so leather back side and edges are hidden from view, and
> this results in as much as
> 6-7 layers of leather that the needle has to punch trough...and NOW
> the machine is getting into trouble.
> Problem is that the "pile" of layers tend to get out of alignment as
> the machine is working it.
> Have tried clamping the seams with large alligator clamps, and it does
> help somewhat, but anyhow
> these seams which can be up to 1/2" thick is just too hard and plain
> ugly.
> What can be done about this?
> I guess the leather will have to be skivered (thinned down) at the
> seams, maybe to less than half the thickness.
> Have tried using a couple of those hand skiver tools, but these are
> probably meant for that hard
> vegetable tooling leather, but my leather is very soft and stretchy
> and they just won't cut it.
> Maybe one of those crank or electric leather skiver machines??
> I don't have one, and buying one just to find out if it works is a tad
> too expensive...
> Any help greatly appreciated.
> E.K
The 29 class machines are ok up to about 1/4" after that they get funny.
They are a top feed only, handy for some things like boot top designs but
not so good for heavy leather. For that you would be better of with a
compound feed walking foot machine in the heavy class.
Skiving may help. Perhaps you can find someone local that can do a few runs
for you as you said an expensive guess to find out.
--
Ron Anderson A1 Sewing Machine
18 Dingman Rd., Sand Lake, NY 12153
518-469-5133
http://www.singera1sewing.com
http://www.a1sewingmachine.com
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Posted by Gnome on November 10, 2007, 8:16 pm
show/hide quoted text
> The 29 class machines are ok up to about 1/4" after that they get funny.
> They are a top feed only, handy for some things like boot top designs but
> not so good for heavy leather. For that you would be better of with a
> compound feed walking foot machine in the heavy class.
> Skiving may help. Perhaps you can find someone local that can do a few runs
> for you as you said an expensive guess to find out.
> --
> Ron Anderson A1 Sewing Machine
> 18 Dingman Rd., Sand Lake, NY 12153
> 518-469-5133http://www.singera1sewing.comhttp://www.a1sewingmachine.com
I tried sewing some more scrap tonight, and you're right...the 29 is a
PITA.
It wandres off and keeping a straight seam is next to impossible...on
leather
we get permanent holes on the first try and only one chance to get it
right.
I'm not an expert (in fact a complete novice) but what I think is
needed here is
an industrial walking foot machine WITH bottom feed. And one that is
able to
sew the heaviest upholstery and bag/luggage leather. Other than that I
don't know.
Can you recomend something that is well suited for this sort of
thing ?
E.K
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Posted by Ron Anderson on November 11, 2007, 11:41 am
show/hide quoted text
>> The 29 class machines are ok up to about 1/4" after that they get funny.
>> They are a top feed only, handy for some things like boot top designs but
>> not so good for heavy leather. For that you would be better of with a
>> compound feed walking foot machine in the heavy class.
>> Skiving may help. Perhaps you can find someone local that can do a few
>> runs
>> for you as you said an expensive guess to find out.
>> --
>> Ron Anderson A1 Sewing Machine
>> 18 Dingman Rd., Sand Lake, NY 12153
>> 518-469-5133http://www.singera1sewing.comhttp://www.a1sewingmachine.com
> I tried sewing some more scrap tonight, and you're right...the 29 is a
> PITA.
> It wandres off and keeping a straight seam is next to impossible...on
> leather
> we get permanent holes on the first try and only one chance to get it
> right.
> I'm not an expert (in fact a complete novice) but what I think is
> needed here is
> an industrial walking foot machine WITH bottom feed. And one that is
> able to
> sew the heaviest upholstery and bag/luggage leather. Other than that I
> don't know.
> Can you recomend something that is well suited for this sort of
> thing ?
> E.K
http://www.a1sewingmachine.com/artisantoro3000.html
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Posted by Gnome on November 11, 2007, 7:54 pm
Looks like I'll be getting a new machine soon, was about to order
but I'm not sure the 3000 is the right one for the things
that I (may) need to do.
E.g if sewing a jacket there is a 'problem' with the sleeves...
sewing around 'em (circumference) is no problem on most machines
but how about along the sleeve?? In such a case one would have to feed
up the machine arm, right? And this requires something like the 4011 ?
Or maybe a jacket is such a complicated undertaking that several
specialized machines are needed? What do you think?
E.K
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