Simulation of free-abrasive grinding of grazing-incidence mirrors with vertical-honing and flexible blades

Details Simulation of free-abrasive grinding of grazing-incidence mirrors with vertical-honing and flexible blades Simulation of free-abrasive grinding of grazing-incidence mirrors with vertical-honing and flexible blades

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..640...85p&link_type=abstract

IN: Grazing incidence optics; Proceedings of the Meeting, Orlando, FL, Apr. 3, 4, 1986 (A87-42701 19-74). Bellingham, WA, Societ

Astronomy and Astrophysics

Astronomy

Grazing Incidence, Grinding (Material Removal), Mirrors, Surface Finishing, Blades, Honing, Optical Correction Procedure, X Ray Astronomy

Scientific paper

Vertical honing with a free abrasive slurry is used to minimize the errors of form and figure due to gravitational distortion during the fabrication of the grazing-incidence mirror. The design of the software used to examine, by numerical simulation, the consequences of various options of the fabrication technique is described. The formation of the blades used in the simulation are considered; one blade form is an initially flat profile with face width proportional to the desired figure and the second is a curved profile proportional to the desired figure with straight-edge face. Profiles for the workpiece and blades during various stages of grinding are analyzed. It is observed that both blade forms are useful for obtaining the desired figure; however, the straight edged face blade is more applicable. It is demonstrated that it is possible to preform vertical-honing blades to consider the system flexibility and the effect of wear so that grinding will result in the desired workpiece.

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