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Need quote for hand/way scraping

greenthing

Plastic
Joined
May 19, 2020
I have four parts, each part is no more than 4x4"

How much to hand scrape the bottom of these?

Thank you
 
Depends on what you want.

Do you just want decorative scrapping, or do you need 40 points per inch bearing?
What are the shapes like? Square/rectangular is easier/cheaper than convoluted shape.

More details needed.

CarlBoyd
 
That small likely you could grind them to .0002 or so and have very little to scrape.
Most grinder hands can fudge up a set-up for some odd part and get .0002 on a 4x4" part.

likely a surface grinder job...perhaps a half hour each..If having a near common set-up
.. set in/on a compound vise or atop a tilt angle plate of an odd holding position...with such jig on a magnetic chuck..

then add decorative scrapping and a true up to rid the last .0001 or so if needed close....

photo of the parts would be helpful
 








 
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