MIRROR MACHINING.

被引：0
|
作者：
Anon
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来源：
Tooling and production | 1983年 / 49卷 / 07期
关键词：
MIRRORS; -; Manufacture;
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摘要：
Laser printers are expected to be in especially great demand, possibly supplanting existing line and dot-matrix printers. But, forecasted demand cannot be cost-effectively met, because the lapping and polishing processes associated with optical-instrument manufacturing make polygon mirrors outrageously expensive. Toshiba Machine Co, Numazu, Japan, recognized this pending production problem and developed a superprecision machine tool called the polygon mirror generator. The machine processes octagonal and dodecagonal shapes, with ICs (inscribed circles) ranging from 20 to 200 mm, using a traveling saddle and Curvic coupling that can be set in units down to one degree.
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