| The Shop > Metal Stuff |
| Scraping a surface plate. Where to start ? |
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| vtsteam:
Wouldn't you use a longer straightedge rather than a larger surface plate, assuming any size to the first one? Unless you have llfting tackle for the rub. |
| JHovel:
For a surface plate I would use another larger surface plate. Yes, liftinhg tackle may be required - or a helper. Staightedge is useful for checking.measuring geometry of surfaces to each other or narrow long slides. Joe |
| krv3000:
hi well just nick the bathroom mirror or the glass kitchen table put blue on it put it on top of your plate give it a rub and all the hi spots will be marked and go from there |
| DavidA:
Joe, I was assuming that the person scraping had no access to another plate and would have to start from scratch; or should that be scrape. I have a large(ish) piece of plate glass that could be used as per krv3000. A long time ago I contemplated grinding a ten inch parabolic mirror. Wisely this idea was put in the 'maybe later' file. My own surface plate seems to be pretty good. At least for the stuff I do. But I do have a source of sg iron that could be milled into 5" squares for practicing on. One more thing to pass the time. Dave. |
| vtsteam:
jhovel are you a scraper hand? |
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