Versatile force measuring system

摘要

A force measuring system for measuring the deflection force of spring-mounted magnetic reading and writing heads, and other parts, includes a capacitive type pressure transducer, of the type having two spaced insulating plates wherein at least one of the plates is a flexible diaphragm; a standardized pivoted force transmitting arm having one rounded end thereof engaging the center of said flexible diaphragm; a movable carriage for holding the magnetic head or other part to be tested under predetermined levels of deflection; guide plate arrangements for controlling the movement of the carriage so that the magnetic head or other part is brought into engagement with the end of the force transmitting arm; micrometer arrangements for providing a controlled amount of deflection of the reading head assembly or other part when the magnetic head engages the force transmitting arm; and measuring and display arrangements for indicating the force applied to the diaphragm at the predetermined level of deflection. The carriage is arranged for both horizontal and vertical movement under control of the guide, and with a dashpot for avoiding undue stress on the diaphragm.