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GNX200B / GNX300B

High-precision double-side lapping and polishing platform

The Okamoto GNX series is engineered for demanding double-side lapping and polishing applications, delivering high dimensional accuracy, stable throughput and repeatable surface quality. Designed for semiconductor wafers and advanced materials, GNX machines integrate rigid construction, precise spindle control and optimized process stability to ensure uniform stock removal and superior flatness across a wide range of part sizes. Their automation-ready architecture and reliable performance suit both high-volume production and precision manufacturing environments.

GNX200BGNX300B
Maximum machining diameter200 mm300 mm
Spindle speed range0–3600 rpm0–3000 rpm
Spindle drive motor power2.2 / 4 kW5.5 / 4 kW
Main shaft feed speed range1–999 µm/min1–999 µm/min
Number of spindles22
Working disc speed range1–300 rpm1–300 rpm
Grinding wheel size250 mm300 mm
Equipment weight3900 kg5700 kg
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