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I use all of these accessories for stitching box corners. Depending on the application as to which bottom plate or which foot.

Keith

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Keith Seidel

Seidel's Saddlery

www.seidelsaddlery.com

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Keith

the foot that is angled- was that something you created- or is that a part Cambell Randall sells?? I also noticed that there is a guide ( to right of needle and awl) - do you feel that is important to have when trying to use the machine to box stitch?? I'm guessing you use it to "push" the work against while stitching

RMR

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Yes, RMR, the guide is a necessary part of the equation. The box being stitched determines how the machine will need to be adjusted. Thickness of leather and thread size/ stitch length will affect how far from the edge the stitch line needs to be. The farther from the corner you move the stitch line, the thicker the material will be at the stitch line. It is necessary to hold the work tight against the guide to maintain uniform border spacing for the stitch line.

The angled foot is a Randall/Campbell part with the center cut away for awl allowance keeping the bottom edge of the foot very close to the stitch line. Attached is a scan of the page from the Campbell/Bosworth catalog showing the available attachments for box stitching.

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Keith Seidel

Seidel's Saddlery

www.seidelsaddlery.com

Posted

Thank you Keith,

for posting the pictures and sharing your insight. I think I have enough ideas to start making something for the 441. I think I will try a 30 deg angle first. Perhaps drill/thread a couple of screw holes on top of a slotted needle plate and attach a angled aluminum piece on it. I took a peep at your web page, your work are truly amazing.

Thank you

Tor

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Tor

Workshop machines: TSC 441 clone/Efka DC1550, Dürkopp-Adler 267-373/Efka DC1600, Pfaff 345-H3/Cobra 600W, Singer 29K-72, Sandt 8 Ton clicking machine, Alpha SM skiving unit, Fortuna 620 band knife splitting machine. Old Irons: Adler 5-27, Adler 30-15, Singer 236W-100

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It looks to me like about 5/6 oz total material on each side to create the box joint would be about as thin as would be possible to make a nice stitch with this set-up. Other variations to get to a similar thickness at the stitch line would work also. Total thickness of material wt the stitch line would be a minimum of about 1/8"+.

Keith Seidel

Seidel's Saddlery

www.seidelsaddlery.com

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Here's Singer's patent for a machine for sewing leather cases. It illustrates the setup of the 45kSV mentioned earlier in this thread.

https://www.google.co.nz/patents/US2652014?dq=US+2652014+A&hl=en&sa=X&ei=B5AvVdPYBIbo8AWc34DICw&ved=0CBwQ6AEwAA

-- Al.

Medieval Stuff: http://wherearetheelves.net

Non-Medieval, including my machines: http://alasdair.muckart.net

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