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About ROBRENZ
Sharing my adventures in machining and engineering. I am "robinrenzetti" on Instagram where i have lots of similar content.
Recent Videos from ROBRENZ
MAKING ULTRA PRECISION TOOLROOM SPINDLES #2
Part 2 showing rotary grinding of the hardened parts. Discussion of many aspects of precision grinding in general. Showing my automated Harig grinder in action doing rotary grinding cycles.
#practitioner_of_the_mechanical_arts
Paypal donation https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&h… MAKING PRECISION GAGE BALLS
I show making high precision gage balls from ultra micrograin carbide with normal machine shop tools. Includes rough grinding, lapping, polishing and measuring to very high levels. Hertzian contact deformations are discussed including calculations. ** 0.000005" = 0.127µm (not nm) **
#practitioner… DIY SURFACE PLATE LAPPING PART 2
Final lapping of the surface plate to just get to the AAA tolerance. I show aluminum foil lapping and grooving and scraping in the lap used for final finishing. Measuring surface finish of Starrett AAA granite plate to determine the surface finish they thought appropriate. Lastly showing the constr…
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