Small Pin Manufacturing
Small Pin Manufacturing
(OP)
Greetings,
I need to manufacture a pin that is much like a pin gage used for measuring. The pins need to be about 3" long and vary in diameter from 1mm down to .2mm. The ends of the pins must be perfectly flat so that the pin would balance if stood on end.
What material(s) and manufacturing process would you recommend? A pin gage is the exact design, I just need to make sure the bottom is flat so that it will balance on its end.
I appreciate any assistance.
Thank you,
I need to manufacture a pin that is much like a pin gage used for measuring. The pins need to be about 3" long and vary in diameter from 1mm down to .2mm. The ends of the pins must be perfectly flat so that the pin would balance if stood on end.
What material(s) and manufacturing process would you recommend? A pin gage is the exact design, I just need to make sure the bottom is flat so that it will balance on its end.
I appreciate any assistance.
Thank you,





RE: Small Pin Manufacturing
Then I might buy a ... I forget what they're called, but diemakers use them to make ejectors. Maybe "ejector pin blanks"; they look like a very long dowel pin, but one end is headed, like a flat head screw with no slot or recess. They're very hard and very straight.
Mike Halloran
Pembroke Pines, FL, USA
RE: Small Pin Manufacturing
RE: Small Pin Manufacturing
You should be able to check for flatness, not the same thing, with an optical flat and some magnification and some patience.
Or chuck 'em in a collet and spin 'em in a "spin-dex" fixture while indicating the end with a "tenths" indicator and a point with a small radius.
Mike Halloran
Pembroke Pines, FL, USA
RE: Small Pin Manufacturing
Regards,
Cory
Please see FAQ731-376: Eng-Tips.com Forum Policies for tips on how to make the best use of Eng-Tips Fora.
RE: Small Pin Manufacturing
How many and how flat comes to mind as essential questions. How flat as in perpendicular to the side measured in degrees? How flat as in surface smoothness?
Thomas J. Walz
Carbide Processors, Inc.
www.carbideprocessors.com
Good engineering starts with a Grainger Catalog.
RE: Small Pin Manufacturing
RE: Small Pin Manufacturing
RE: Small Pin Manufacturing
RE: Small Pin Manufacturing