Roughing and grinding Archives

Simulator (not only) polishing parabolic mirrors (POLSIM Software)

March 12, 2018Giulio TiberinI Roughing and grindingmachines mirrors, mirror making, tools

Small tutorial on using "minimum" of POLSIM software for the processing of a parabolic mirror telescope, "Assisted" by the use of a simple rotating plate, even in the digging operation of the "arrow" of the initial spherical concavity. The program was written in 2007 da Martin Cibulski, and it can be downloaded as polsim.exe (download) , as other interesting Articles

How to build focal lenght and mirror's depth.

Aug 17, 2016Massimo Marconi2 CommentsRoughing and grinding

One of the aspects that usually remain unclear, during the design phase of a mirror roughing is what must “to dig” to reach the focal length of the project, before moving on to the next abrasive granulometry. Who has a fair number of self-built mirrors, now it possesses the experience is the ability to assess whether it is digging

Control craters under the microscope

Sep 16, 2014Giulio TiberinI Roughing and grinding

The machining of a mirror for the telescope provides that a raw glass disk which will constitute the mirror, He is rubbed with its center against the edge of a second glass disc forming tool function, with the interposition of abrasive carborundum wet. The abrasive used for the heavy initial work roughing or excavation of