Source for custom ground core pins

newtonsapple · Oct 30, 2020

I am looking for a shop or two that can produce ground pins from hardened 440C and 420 of this style. I produce tooling that requires a variety of pins this style. I am hoping to find someone with lead times in the 2 week or better range with quantities of 3-10pcs.

I am looking to order 6-10 different designs. Good pricing will allow me to order additional designs as we trial different tooling approaches.

PegroProX440 · Oct 30, 2020

Call up Modern Mold & Tool. I use to work there. They are in Massachusetts and have a variety of grinding equipment.

newtonsapple · Oct 30, 2020

So from this page Modern Mold & Tool - Home | Facebook

From there I get this site: Toner Plastics | Plastic Manufacturing -which leads to Contact Us | Plastic Solutions | Toner Plastics. Looks like they got consumed...which usually doesn't bode well for quick small projects.

Edit: well the links transform themselves to list the forwarded sites. But the short of it is that the company seems to be part of a bigger group now.

PegroProX440 · Oct 31, 2020

Yes it was my dads company, he sold it in 2016. The website is hard to navigate now.

Milland · Oct 31, 2020

PegroProX440 said:
Yes it was my dads company, he sold it in 2016. The website is hard to navigate now.

I hope he did well on the sale.

Did you spend time working there, or have good familiarity with the process to grind a pin like the OP showed? Would it be done as a creep feed process, perhaps with a through feed for the bulk of the "plain" diameter? Will creep feed hold a couple tenths reliably?

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