Today's new boring tools squeeze setup time from the process and help users to produce their products in small lots quickly, making boring even more at home in factories and shops practicing agile and just-in-time manufacturing. At the high end, one such development has been the emergence of tools that adjust themselves automatically to correct for wear, compensate for error, or produce shapes. An example is KomTronic Tools, the line of servodriven boring tools from Komet of America Inc. (Schaumburg, IL). A servomotor drives a slide inside the boring head. "It counts the pulses and moves the boring bar to the larger diameter or backs it up to the smaller diameter," says Mike Herman, a specialist in boring at the company. The mechanism increases accuracy and eliminates the need to adjust a screw manually to move the bar off-center to a larger diam.
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