janglepro
off to a rocking start
Member since June 2021
Posts: 10
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Post by janglepro on Jul 27, 2021 9:33:33 GMT -5
I keep seeing references to the "Two Step" vibe process but can't find a good start to finish explanation of it. Can someone point me to it or describe the process? I have a few questions in particular? - Is it ok to use either SiC or AO?
- Do you wash between the steps? I read of one guy just dumping the second stage grit right into the slurry. That sounds convenient!
- How long in each step?
I know there are as many techniques as there are people, but I'm guessing there is some sort of base recipe or consensus out there.
Thanks!
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Post by Rockindad on Jul 27, 2021 14:58:38 GMT -5
Use the search bar, lots of results as this discussion has been going on for years. Typing "Two step vibe" will yield some good results, try some other similar phrases.
"I know there are as many techniques as there are people" Yep.
"I'm guessing there is some sort of base recipe or consensus out there" I'm sure you can find similarities in different peoples methods but if there was a consensus more people would be using the abbreviated methods, most seem to stick to the 4/5 +/- stages in the vibe.
Speaking for myself I recently started playing with 80AO and was pretty impressed with the shine after five days*. Not 100% confident that I can get it to a single stage but have little doubt that an 80AO run followed by a polish run will deliver very nice results with fewer cleanups. Of course this is done after initial shaping in rotary.
Oh yeah, when in doubt, experiment!
*Just want to add that I tried this in both a Thumler's UV-10 and a Lot-O. I would not recommend using 80AO in the polyethylene bowl of the UV-10 (or something similar) as it cuts coarse grooves into the material. In all fairness to the manufacturer I did this against their recommendations. In the end no harm/ no foul as we are now using this bowl for SiC grits and it has smoothed out. The 80AO had no ill effects on the rubber hopper of the Lot-O and broke down into a polish very nicely.
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