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jerolim

testing sewing machine limits

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Hi Riggers,

I have purchased 1983 durkopp (made in east Germany) industrial machine that is capable of sewing strait and zigzag stitch. I have been playing with E and F cords, and with needles 100 - 140 (singer #16-#22). I have been able to punch trough everything so far. I have put(squeezed) 10 layers of webbing under foot. And with 140 and F type it produced great zigzag stitch without any effort.

I was wondering if it could work with cord type 5 thread, and I am ordering some from paragear.
I aim for 4 layers of type 7 webbing and cord type 5 thread.

But I am having problems finding needle larger than 160 (singer #23). Where can I buy 230 (singer #26) in Europe ? Do I really need 230 size to work with cord type 5 ?
I have asked machine service they never heard of this needle,..[:/]

Needle system is 134(R).

Also, I am putting speed reducer and I'll produce even more torque ;)

Thanks in advance!

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You'll find that the #26 needle probably won't fit in the machine and that your smaller needles will not work too well with 5 cord. You MIGHT be able to swing FF and possibly 3 cord with that machine, but I'm willing to bet 5 will be too much for it to handle.

Even if you could, you'd probably have to spend a long time winding new bobbins.

ETA: This is the difference in size between I believe a #22 and a #25 or #26.

[inline Needles.JPG]
"I may be a dirty pirate hooker...but I'm not about to go stand on the corner." iluvtofly
DPH -7, TDS 578, Muff 5153, SCR 14890
I'm an asshole, and I approve this message

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jerolim

Can you please measure thread hole on #26. Height and width.



Width = Big
Height = Bigger

:P
"I may be a dirty pirate hooker...but I'm not about to go stand on the corner." iluvtofly
DPH -7, TDS 578, Muff 5153, SCR 14890
I'm an asshole, and I approve this message

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Quote


I was wondering if it could work with cord type 5 thread, and I am ordering some from paragear.
I aim for 4 layers of type 7 webbing and cord type 5 thread.



If it is built for #69 (e thread), it will not work for 5 cord.
The reason is the hook to race clearance and also the clearance at the positioning finger.

IF...and I did say IF..., the positioning finger clearance is increased, it MIGHT work,but I truly doubt it.

I have some 135 X 7 #25 needles here that you could use to see.


MEL
Skyworks Parachute Service, LLC
www.Skyworksparachuteservice.com

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