Smartee

Triple (Compound) Feed vs. Standard Walking foot?

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Good afternoon!

As in the title - what is the difference between a Triple (Compound) Feed machine and a Standard Walking foot machine?  In looking for a machine I see some noted as "just" walking foot and some as compound/triple feed walking foot.

Thanks!

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compound the foot walks , the dogs move on the plate. and the needle moves forward with the feet

 

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Thanks thunder9 - so, on a standard walking foot the feet are all that does the "walking"?

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8 minutes ago, Smartee said:

Thanks thunder9 - so, on a standard walking foot the feet are all that does the "walking"?

The mechanism you are calling standard is dual, top and bottom feed, where only the feed dog and outer foot move together while the inside foot and needle remain static. This is not what leather sewers call standard. It is useful for sewing webbing, vinyl, cloth and upholstery leather. The earliest dual feed machines were made by Simanco from the 1920s, onward. I own a 1923 Singer 42-5 that has a spring loaded outside foot that moves back with the big feed dog on the bottom, then lifts and springs forward. Most of the modern era dual feed walking foot machines have teeth on the feet and a crank driven outside foot. The teeth on top can chew up and mark top grain veg-tan leather.

If you intend to sew veg-tan or bridle leather, do not get a dual feed walking foot machine. Get a triple/compound feed walking foot machine with smooth bottom feet. If you need a harness stitcher, get one that has a smooth feed dog, like the big Cowboy, Cobra and Techsew 441 clones. This feeder won't leave tooth marks on the bottom layer.

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Thank you Wizcrafts! That explains it and helps narrow the choices down a bit!

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11 hours ago, Wizcrafts said:

The mechanism you are calling standard is dual, top and bottom feed, where only the feed dog and outer foot move together while the inside foot and needle remain static.

Here is Wiz's video of a compound walking-foot machine that shows the movement of the "inside foot and needle."

https://www.youtube.com/watch?v=V-QjJgJKKVM

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Thank you Tejas - and Wizcrafts!

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