Gallery, Projects and General > How do I??

Quartz Surface Plate?

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sparky961:
So I just happened to be driving through a busy section of a larger city today and passed by a sign on a building that said "GRANITE COUNTERTOPS".  I kept driving along for a while before it clicked that I should go back and check it out.

I very patiently waited in the showroom while the salesperson finished up with some actual customers before asking about their scrap; sink cutouts, broken pieces, whatnot.... and I was a little surprised when she directed be to a large green bin behind the building, saying "take as much as you want; we pay to get rid of it".  It was filled with varying sizes and shapes of all different kinds of mostly 1-1/4" countertop material.  There were lots and lots of long narrow pieces that didn't seem too useful at the moment (though I got to wondering about straightedges), quite a few smaller rectangles about 8 x 10 or so, and .... GOLD MINE ... a handful of quite large pieces, both rectangular and irregular or broken.

Just goes to show that it never hurts to ask.  Especially when you ask nicely.

I'll try to get some pictures up for those who just like to oggle, but now I'm having to think about what to use as a cheap lapping compound.  What's cheap and easy to source, very fine, and harder than granite?  I'll do my own research in the meantime but anyone's experiences lapping their own plates would be a great addition to this thread.

Manxmodder:
Sparky, I was just thinking about this kitchen worktop granite surface plate earlier this evening.

If you need to remove any high spots on the plate I reckon a steel backed diamond coated sharpening stone would be quite effective.

You would just need to keep checking with a DTI clock to keep track of your progress.

I have a couple of diamond coated steel backed stones that I bought a while ago on Fleabay.

Or may be one of these multi faced rectangular blocks would be worth considering.
http://www.ebay.co.uk/sch/i.html?poi=&adpos=1s1&ul_noapp=true&geo_id=32251&MT_ID=11&crlp=71010014297_807&keyword=diamond+sharpening+block&rlsatarget=aud-105106656306%3Akwd-6907918083&_nkw=diamond+sharpening+block&device=c&crdt=0&treatment_id=7&clk_rvr_id=894874226903

PekkaNF:

--- Quote from: sparky961 on September 08, 2015, 05:21:20 PM ---So I just happened to be driving through a busy section of a larger city today and passed by a sign on a building that said "GRANITE COUNTERTOPS".  I kept driving along for a while before it clicked that I should go back and check it out.

I very patiently waited in the showroom while the salesperson finished up with some actual customers before asking about their scrap; sink cutouts, broken pieces, whatnot.... and I was a little surprised when she directed be to a large green bin behind the building, saying "take as much as you want; we pay to get rid of it".  It was filled with varying sizes and shapes of all different kinds of mostly 1-1/4" countertop material.  There were lots and lots of long narrow pieces that didn't seem too useful at the moment (though I got to wondering about straightedges), quite a few smaller rectangles about 8 x 10 or so, and .... GOLD MINE ... a handful of quite large pieces, both rectangular and irregular or broken.

Just goes to show that it never hurts to ask.  Especially when you ask nicely.

I'll try to get some pictures up for those who just like to oggle, but now I'm having to think about what to use as a cheap lapping compound.  What's cheap and easy to source, very fine, and harder than granite?  I'll do my own research in the meantime but anyone's experiences lapping their own plates would be a great addition to this thread.

--- End quote ---

Very nice, have you measured any of them yet? I'm eager to hear how are the results?

Pekka

jcs0001:
Another possible source of granite countertops:

I was in our local re store (Habitat for Humanity runs them) and saw three pieces of granite countertop - two about 18 x 36 in. or so and one about double that size.  As I recall they wanted $20 for the smaller pieces and $40 for the larger one.  I was tempted to buy one of the smaller ones as a glueing table surface (it would definitely be flat enough for glueing wood pieces up).  Don't have room in my shop for it however.

John.

Pete.:
I might have some very nicely finished slate slab down here in Kent. I'll run a dial over them and if they are suitably flat I'll put up a photo.

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