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Black granite surface plates are manifactured in several accuracy grades:
"3", "2", "1", "0", "00" and "000" according to standard ISO 8512-2 in order
to satisfy all specific needs of the user, be it a workshop or a metrological office.
All plates are tested with electronic levels or laser autocollimator in a temperature
(20° C) and humidity (50%) controlled environment.
All plates «Microplan Group» are supplied with a test report in which error map and
installation instructions are related.
The table on the catalogue shows the standard sizes, the reference
codes and the absolute flatness tolerances (in thousandths of mm.)
We can supply plates with different sizes according to the customer's needs and drawings
with holes, glued threaded inserts, T-slots, clearing grooves and with rubber feet for the
smaller sizes.
To grant a complete service, Microplan Group usually makes special machining
according to drawings, fields of working and needs of the Customer. The main special
granite workings are: gluing with epoxy of steel or stainless steel inserts and T-slots; drilling: granite drilling for full or through holes
(from ø 3 to 300 mm); milling with fitted diamond tools (in accordance with the limits
of the metal milling).
Send us a drawing
for a free quotation!
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For Grade "00" and "000"
thickness are higher!
The sizes underscored in yellow
meet the standard ISO 8512-2
(For other grade we apply
I.S.M.P. Standard)
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