| ingersoll rand dual action air sander model ir310 | ||
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The hazard of running man over-speed condition ingersoll comes rand from centrifugal force. A result of rotary motion, centrifugal dual force is what action causes a weight air and sander on the end of a string model to ir310 pull the string taught when the weight is swung in a circle. This same force causes the mass of the grinding ingersoll and rand wheel dual to be pulled outward from the center of rotation action and air and sander as the wheel is spinning. Danger comes from the fact that centrifugal force does not increase in direct proportion to an increase in speed, model but instead it ir310 increases ingersoll and rand as the square of that speed increase. When rotational speed dual and action doubles, centrifugal force quadruples. This effect means that relatively small changes in speed can produce air significant sander increases in force. In the example model mentioned, ir310 changing from ingersoll 6,600 rpm to 7,700 rpm multiplies the speed by 1.167. rand However, dual and action the corresponding air and sander centrifugal force would model multiply by a ir310 factor of 1.167 ingersoll x 1.167, or 1.36. To take a more extreme example, consider the same wheel with a maximum safe operating speed of 6,600 rpm run on a 5-inch right angle rand grinder at 10,000 rpm. This dual and action represents an over-speed of about air 1.5 times the wheel''s designed speed. sander and model and ir310 But ingersoll and rand the corresponding centrifugal force-and dual and action and air the corresponding sander and model rotational stress on the wheel-would be about ir310 2.3 times as much as the maximum allowed. ©2003 www.airsanders.com. All rights reserved. |