squigster037

squigster037 t1_jcs3x1c wrote

Vertical ridges can be caused by thyroid issues, aging, or hereditary... ok, after digging I found it could also be anemia/lack of iron. but the vast majority of the cases are aging, then thyroid.
https://www.webmd.com/skin-problems-and-treatments/what-to-know-about-onychorrhexis
Horizontal ridges are vitamin deficiency. or a few other things, none of which are 'working with chemicals w/o gloves' geez. https://en.wikipedia.org/wiki/Beau%27s_lines
And a chemical cause ... yea i'mma need a sauce for that.

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squigster037 t1_j9piafi wrote

Yep. This is my point.
Strangers aren't your enemy, are not dangerous. There's a strong likelihood that any stranger you asked for help would not harm you, and is, likely to help you.

The immediate recoil and fear of someone you don't know has allowed wedges to be driven into our society, and I feel it's broken our culture up.

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squigster037 t1_iu5bknl wrote

Sorry, a shop I worked with had one that was just for bending and it had interchangeable cores for different diameters of springs.
I have no idea which model it was.
But if it's something this person is doing in volume/professionally, it may be worth keeping an eye out for a used tool.
https://www.diacro.com/equipment/model-1-bender/

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squigster037 t1_iu4ecu2 wrote

Sounds like you want to make a tool that exists: a Di-Acro?

RE sewing machine motor:
Old sewing machines had external 1amp (1/16hp) motors that drove the machine via belt.
You can buy the whole assembly: Motor + foot pedal
https://www.amazon.com/Sewing-Machine-Motor-Bestsew-RM100N/dp/B07NDHZFY3

Then you just need to make a belt-driven jig for the rest of it. Or multiple jigs.

signed: a sewing machine tinkerer.

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