Blanchard or Surface grinder for this job?

[Mark Gibney]

I need to have 1/8" ground off these two pieces of metal -

440764

Is blanchard grinding or surface grinding the way to go? And why?
The look and texture of the resulting surface does not matter, and it will never be seen once back on the machine.

thanks, Mark

[Kevin Jenness]

Wouldn't that amount of material removal be better suited to a milling machine than a grinder?

[Al Launier]

Like Ken said: a face mill would be more appropriate.

[Mark Gibney]

A milling machine! - thanks, I'll look for that service. Appreciate it.

[Dave Sabo]

Why do need/want so much material removed ?

[Bruce Page]

Yes, it’s definitely a milling job. Any typically equipped machine shop can do it. Is the opposite surface already machined?

[Peter Kelly]

Linear grinding or even planning might be the better choice if the opposing surfaces are moving parts.

What are you trying to accomplish? Those castings look like SCMI made them.

[Erik Loza]

Yeah, Italian parts for sure. Could be Griggio, too.

To the OP, do they really need to be re-ground? Could you just face-lap them with some emery paper or something?

Erik

[Peter Kelly]

I agree, re-machining these sorts of things should be a last resort. Parts will no longer be to spec one you get them back from the shop.

[Frank Pratt]

Yeah, Italian parts for sure. Could be Griggio, too.

To the OP, do they really need to be re-ground? Could you just face-lap them with some emery paper or something?

Erik

He needs to have 1/8" taken off.

[Erik Loza]

He needs to have 1/8" taken off.

Yeah, but "why?"

Erik

[Frank Pratt]

Yeah, but "why?"

Erik

Who knows? People need to realize they'll get better responses to questions if they would follow their own threads & respond to inquiries.

[Mark Gibney]

Who knows? People need to realize they'll get better responses to questions if they would follow their own threads & respond to inquiries.


I checked in yesterday morning, got an appropriate answer, went to work, checking in now before I go to work.
Appreciate the knowledge available on here!

[Dave Sabo]

I checked in yesterday morning, got an appropriate answer, went to work, checking in now before I go to work.
Appreciate the knowledge available on here!

But you’ve still left out a piece of the puzzle.

You’ve tapped the wisdom here, but haven’t really done your part by adding to the discussion.

[Bill Dufour]

A shop with a shaper or a horizontal milling machine would be the fastest and probably cheapest way to go. Both those machines have been pretty much forgotten in a modern shop. If you find a shop with them they probably started before 1950.
Bil lD

[Frank Pratt]

A shop with a shaper or a horizontal milling machine would be the fastest and probably cheapest way to go. Both those machines have been pretty much forgotten in a modern shop. If you find a shop with them they probably started before 1950.
Bil lD

Check out the Abom79 channel on YouTube. He has an old shaper in his home shop & loves using the thing. They are pretty amazing machines.

[Brian Holcombe]

People still use Horizontal mills, plenty of guys on Practical Machinist that are into Deckels. I'd love to buy one but no space..

Anywho, those flanges are going to be pretty thin after whacking 1/8"....is there a coordinating part that can be shimmed out 1/8?

[Al Launier]

People still use Horizontal mills, plenty of guys on Practical Machinist that are into Deckels. I'd love to buy one but no space..

Anywho, those flanges are going to be pretty thin after whacking 1/8"....is there a coordinating part that can be shimmed out 1/8?

It appears the OP may have already started to reworks the parts (ref. #13, but I think your suggestion may be the best. That way the original integrity of the pieces are maintained.