Thread: Upolstry sewing machine.

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I used to manufacture industrial items that were sewn, and had 4 working and 2 spare(stand-by) all were Singer a couple were 50 years old(then),
Unfortunately the spares got harder to obtain.
I looked at a Brother dual needle as new replacement.
Thread? .....I used two type only , they did everything I needed.....One was a kevlar type, and the other was a Stainless Steel one(for higher temperature)

Advantages of these?........Yeald , they generally don't break in the machine.

Disadvantage? .....Only one real one........Don't under any circumstance try to break the thread by wrapping the thread round your hand and trying to snap it.......You'll only hurt yourself

I hope that machine has steel gears, cause you just increased the torque ten fold.

If ever you hear a clicking while you're sewing, look out: you're about to break the needle.

Originally Posted by firebird77clone

I hope that machine has steel gears, cause you just increased the torque ten fold.

If ever you hear a clicking while you're sewing, look out: you're about to break the needle.

Thanks for your warning, but it's an industrial model, all metal gear train with an oil bath in the sump. It'll be fine.

AWESOME. Then stitch some scrap already, let us know how she does!

Originally Posted by 53 Chevy5

Just thinking out loud. As some of you may remember I wasn't overly impressed with how my upolstry guy did my seat. I was thinking about re doing it in cloth instead because we hate the vinal cover as well. Our backs are sweaty after a 30 minute ride and that's with A\C on. Anyhow, I was thinking about taking a stab at it myself and wondering if it's worth it and wondering about sewing machines to look at. My mom has made and altered wedding dresses for years so maybe she passed on some talent to me.

On my first car, a 39 Ford, when I was 16, my dad sewed up some white tucknroll on my mom's singer sewing machine. He broke a few needles but did a pretty nice job. After he gained a little confidence he bought a bigger upholstery machine that would sew anything. He's gone now, but my mom still has the machine and occasionally uses it for heavy materials. Like anything, it takes practice to get good at it but I say if you don't like how somebody did it, learn how to do it for yourself! Then you only have yourself to blame if it doesn't meet your desired standards...

A note about the concern of increased torque, that's actually one of the reasons for gearing down, to provide more slow speed needle force when momentum isn't there. Looking for some info on my machine, (Yamata FY5318) I ran across a video an upholstery guy posted, showing his digital servo feeding a step down pulley feeding the stock drive pulley. His would turn down to 30 stitches per minute, and he mentioned the increased torque giving him the force to push through 4 thickness of harness leather at that extreme slow speed, and demonstrated it!
https://www.youtube.com/watch?v=KUU-gF6VWWw

So now you can stitch me up a new leather jacket??? LOL..

It's impressive to watch - he makes a nice straight line too.