Quote:
Originally Posted by Meir
Hi Shadrach.
Just out of curiosity. Why use glass? Is it consider to be the most leveled surface?
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Precisely. A plate of glass for all intents and purposes is completely flat. It's also completely inert, so the surface will never rust, pit or scale off. The downside of course is its fragility. I keep a large plate of 1/8" tempered in my hangar (which serves as my shop area). I have used it to prepare the mating surfaces on things like cylinder heads on motorcycles, the old Amal 900 series concentric carbs on my 40 yr old Triumph, aluminum oil pans on aircraft engines and more.
Sand paper works fine for lighter jobs or aluminum pieces. Emery paper or cloth is more robust and better for steel.
One caveat. This method is only usable for very light removal of material, as in fractions of a millimeter. A situation where a mating surface is truly warped should be sent out to a machine shop.
boxster S
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