Design Engineering


November 24, 2006   Staff

The Arc Brake from Sepac Inc. was designed for a light weight military sight, but has many industrial uses. Examples include x-ray machines, CAT scanners, NMR imagers, ultrasound and mammography machines that often have an imager mounted on a rotating arm that travels less than 360°. The brake pictured can move 15° from the null position. The same technology for any angle required can be used. Spring applied and electrically released, the 5 in. long brake weighs 1.1 lb and supplies 90 lb ft. of torque. For comparison, a conventional brake that rotates 360° will weigh in the 30 lb range.

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