THREAD USE MONITOR

摘要

A method and apparatus for monitoring use of a thread-like element to detect improper operation of a machine utilizing the element. The monitored amount of element use in a machine cycle is compared to a preset standard of element use for the machine cycle during proper operation of the machine. Deviation from the preset standard is then effective to provide a signal. The signal preferably disables the machine from further operation and activates an alarm indicative of the detected improper operation. The machine cycle for the preset standard is a function of real machine operations, preferably a predetermined number of real cycles of machine operation.