Request InfoAerotech Inc.Aerotech Inc.’s ABS series direct-drive air-bearing spindles provide accurate angular positioning and velocity control for disk-drive testing, imaging and precision wafer inspection. The ABS2000 is balanced to ISO 1940 G 0.4 tolerances and uses labyrinth-type sealing to minimize particle migration from the spindle, resulting in certification for Class 1 cleanroom operation. An integral rotary union acts as the vacuum supply. The motor produces continuous torque with negligible losses, eliminating the need for cooling fins or external cooling. 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