Page 1 of 2

Part location

Posted: Sat Feb 04, 2017 12:42 pm
by berry
I was sweeping the shop the other day and found a roll pin. I know some of you know the equipment inside - out. Everything still seems to be working fine but it came from somewhere and I'd like to return it to where it belongs. What are the likely places I should look. (I have a 1982 500, upgraded to a 520 about 20 years ago.) I can post a pic if that would help. Thanks!

Re: Part location

Posted: Sat Feb 04, 2017 3:36 pm
by JPG
Pin dimensions(diameter/length) would be helpful. ;) We know what a tension pin LOOKS like. :D

Re: Part location

Posted: Sat Feb 04, 2017 4:19 pm
by dusty
JPG wrote:Pin dimensions(diameter/length) would be helpful. ;) We know what a tension pin LOOKS like. :D
Tension pin, roll pin, spring pin -- I didn't know there was a difference.

It really doesn't matter where it came from now BUT I do believe that it would matter if there was NO tension spring thewre and you use the machine.

How long is it?

Re: Part location

Posted: Sat Feb 04, 2017 4:21 pm
by dusty
berry wrote:I was sweeping the shop the other day and found a roll pin. I know some of you know the equipment inside - out. Everything still seems to be working fine but it came from somewhere and I'd like to return it to where it belongs. What are the likely places I should look. (I have a 1982 500, upgraded to a 520 about 20 years ago.) I can post a pic if that would help. Thanks!
A picture or two of the pin laying along side a ruler would help.

Re: Part location

Posted: Sat Feb 04, 2017 4:57 pm
by berry
5/8 long 5/32 diameter
I'm having some computer issues but I'll work on a pic asap.

Re: Part location

Posted: Sat Feb 04, 2017 5:02 pm
by JPG
Hinge pin retainer?

Re: Part location

Posted: Sat Feb 04, 2017 5:12 pm
by JPG
dusty wrote:
JPG wrote:Pin dimensions(diameter/length) would be helpful. ;) We know what a tension pin LOOKS like. :D
Tension pin, roll pin, spring pin -- I didn't know there was a difference.

. . .
A 'roll' pin and a 'tension' pin are both 'spring' pins.

A 'roll' pin was the original spring pin(multiple layers wound like a coil spring). They have been replaced by 'tension' pins that are a slightly incomplete hollow cylinder(slotted tube).

Both are intended to be used in a bore slightly smaller than the od of the pin. As the pin is forced into the bore the pin od gets smaller and the spring force presses against the bore walls and it becomes self retained.

Re: Part location

Posted: Sat Feb 04, 2017 5:15 pm
by ERLover
Do you have a castor set on your SS? If I remember they have some in them, I think.

Re: Part location

Posted: Sat Feb 04, 2017 5:34 pm
by berry
I have the newer castors. And here's the pic
roll pin.jpg
roll pin.jpg (785.57 KiB) Viewed 3699 times

Re: Part location

Posted: Sat Feb 04, 2017 5:41 pm
by ERLover
Look your castors over, I am not at home to check mine but I think they use roll pins around or with the cams.