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The MPA is combined with the motor speed regulation of the winder and the electronic and mechanical tension adjusting device, which is composed of a high-speed automatic winder automatic tension equalization system. This unique proprietary technology product is a new type of dynamic tension sensor. The main component of the MPA is a piezoelectric ceramic component mounted in the cavity and its associated circuitry. Piezoelectric ceramics are a class of electronic ceramics that exert a certain force on them to cause deformation, which generates electric charges on the surface of the ceramic. During the operation of the automatic winder, due to the constant change of the surface stress of the piezoelectric ceramic (the yarn is constantly moving and changing position on the yarn guide), the piezoelectric ceramic component will continuously output the same frequency as the yarn reciprocating motion. Dynamic voltage signal. The built-in circuit of the sensor transmits the identifiable standard signal to the central control system of the automatic winder after the electrical signal generated by the piezoelectric ceramic component is amplified and filtered, so that the control system can monitor and adjust the tension. Taking the variable speed motor to adjust the speed of the single spindle winding, for example, when the yarn tension is too low, the control circuit will increase the winding speed (motor speed increase) to increase the tension; otherwise, when the yarn tension is too high, the control circuit will Turn down the winding speed (motor speed reduction) to reduce the tension.
Using multi-stage amplification technology, the MPA tension sensor provides multiple levels of tension detection for the winder user, up to 100g of tension, allowing different users to adjust to their yarn type and production needs. In addition, all MPA tension sensors have undergone rigorous adjustment before leaving the factory, and the error range of tension measurement is ≤16%. In use, it can work normally as long as it is supplied in the 4.5~5.5 VDC range. Dynamic tension measurement, fully matched with the requirements of automatic winder winding, the maximum range is 0~100g, MPA tension sensor works between 3~45 Hz motion frequency, and the yarn reciprocates in the yarn guide once. It is understood that this type of piezoelectric dynamic tension sensor has attracted the attention of textile machinery manufacturers at home and abroad after its launch. Experts believe that this sensor provides a guarantee for improving the effective load of the product.
Filkante introduces new sensors
FILCONTROLS.A., a French company, has introduced a piezoelectric dynamic tension sensor MPA specifically designed for automatic winders. The MPA is a dynamic tension sensor that continuously monitors yarn tension changes during high speed automatic winder operation.