| 摘要 |
PROBLEM TO BE SOLVED: To prevent overheating of a solenoid of a flat knitting machine without requiring a heat radiating member or a temperature sensor for each solenoid and without deteriorating the knitting speed. SOLUTION: A controller for the solenoid of the flat knitting machine is designed to prevent the overheating of the solenoid without using the heat radiating member or a thermistor for each solenoid as follows. The operation frequency and a cumulative temperature change Tsi of the solenoid are input into a table 36 and the temperature change▵Tsi and an operation pulse width PWi for preventing the overheating of the solenoid are read from the table. The temperature change▵Tsi is added to the cumulative temperature change Tsi for renewal. The solenoid is driven with the read pulse width PWi. Thereby, the overheating of the solenoid can be prevented. COPYRIGHT: (C)2007,JPO&INPIT
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