Gallery, Projects and General > How do I??

Is it possible to make a poor man's flat stones with a glass plate?

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Fergus OMore:
I would agree with Steve wholeheartedly.  Unfortunately, there is a continued failure of readers to access the information which has been suggested many times- and sadly never never acted upon.

One of arguably the most able writers on model engineering- who is still with us, wrote to me and admitted bitterly  about people asking the 'same damn fool questions' and receiving the same damn fool answers.

So the answers really are there to be found- without me perpetuating the same answers.

The classic answers are in Holzapfell, in Connolly's Machine Tool Reconditioning and a quite delightful and refreshing chapter on prisms in Smiths "Advanced Machine Tool Work'

Because they are free on the 'net, it only requires some persistence to 'read all about it' and then to prove or disprove what was so carefully explained------ at great length.

And there one has it!

Norm

hanermo:
I have no great wisdom or vision to apply on stones..
but lots and lots of experimental experience on relatively high-flatness // semi-precision steel surfaces.

For flatness..
several good youtube videos illustrate the process.

I may be doing a commercial run of same, delivering lapped surfaces, within a few months, about 12" in size.
I could do upto 50 cm per size, but it has mass/handling consequences and costs.
As everyone said itīs a high-hour process in labour terms.

My plan is to do "some" good enough before real production.
My plan is to do "good" at a decent price.

vtsteam:
And just to point out the reason for the three stone method -- it doesn't depend on a prior reference flat surface.

It has been by some proposed as the method that produced the first reference flat surface.

And it is useful to know should civilization reboot, you're setting up shop in the wilderness, or you just don't have the money for a surface plate, but are surrounded by flat stones.

sparky961:

--- Quote from: vtsteam on April 10, 2018, 09:41:17 PM ---And it is useful to know should civilization reboot, you're setting up shop in the wilderness, or you just don't have the money for a surface plate, but are surrounded by flat stones.

--- End quote ---

...And, of course, you have WAY too much time to kill... :P

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