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Pacor: Main step

The system for optimization of rough diamonds cutting.

1991 Beginning of the Project
August 1992 Program wins the competition of new technologies on Moscow cutting plant "Kristall"
October 1992 Two crystals (Spec Stones – 6gr) were marked. As result, a high precision of estimations of inclusions positions and the polished stone's mass was demonstrated. The expert V.N.Panov patronized prototype works.
Summer 1993 System was tested on "Askor" rough stones.

Stones of 3 and 4 ct were marked.

Expert M.O.Sherbakow marked a control lot of rough diamonds. Real images of inclusions and reflections' images were calculated (taking re–reflection into account).

September 1993 Diamond Spec Flat Shapes 9.49 ct was marked at ÓKristallÔ, Moscow. According to testing results ÓKristallÔ (Moscow) ordered development of an interactive system of automatic marking DSKR, which was a prototype of PaCor. As a result of this, a system with the following characteristics was developedÅ
1994 The Linear-Convex model was created. Naturals on polished diamonds were taken into account.
1995 Automatic inscribing of polished diamonds including fantasy shapes with parameters and inclusions.
November –December 1996: System was tested by ALROSA company.
February 1997 Production version of automatic marking line-placing system was created. Activity on developing software for Windows 95/NT and software for electronic passports of rough and polished diamonds began.
1997-1998 Information system on different marking methods was developed. Also several different types of industrial marking systems with different characteristics were created.


octonus@next.msu.ru