any idea how to manufacture something similar to this?

[subsearobot]

Hi All!
I'm investigating a component that I've found in attempting to learn how to make something similar.

please see the image-
it's a brass push-rod. The larger diameter is about .10", the flange is ~.19" and the slender rod is ~.08" diameter. Please note the neck diameter reduction as it approaches the flange (both sides of flange), and the different surface finish in that area. There is also a small radius at the interface.

This part would have a relatively tight runout specification. for reference, overall, it is about 5" long.
Production-wise, I would guess this item would be about ~200k units per year, which may limit some production methods. My part production will see about 100k units/year.

 

[btrueblood]

Solid rod? Lathe turn it between centers and possibly with support (steady rest), though at low speed I could do the part without support.

Looked like a bead-rolled tube end to me at first though, which is a different process.

 

[ornerynorsk]

Your sample appears that it could be cold upset from stock with a light finish cut on the face and your necked diameter, with the 2 main diameters centerless ground.

It is better to have enough ideas for some of them to be wrong, than to be always right by having no ideas at all.

 

[subsearobot]

Yes, solid rod which shows material is uniform througout. The ends do not show signs of turning on centers, but could be steady rest. I don't see any tool marks, but my friend suggested a vibratory polish may have removed them.

Someone else just suggested a screw machine followed by a vibratory polish.