Optotech, provide large aspheric grinding machines with a machinable diameter of Φ500‒2000 mm. China has conducted comprehensive studies pertaining to the ultra-precision grinding of large-aperture optics in recent years. For example, researchers at Tsinghua Uni-versity developed a six-axis, large-scale precision grind-ing machine.
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WhatsApp: +86 18221755073This area of the 194 OCTOBER 1989 VOL 11 NO 4 Leadbeater et al--grinding machine for large, off-axis optical components J Loser 3 F Refroctometer Loser l~~~J~' Fig 11 Metrology system for off-axis grinding machine machine is described in more detail in an earlier paper7. Grinding spindle An externally pressurized air bearing …
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