Kinda variable freqyency drive applied in CNC machine 1, Load featureCNC machine is a mechanical-electrical integrated system include mechanic, electric, hydraulic, pneumatic, microelectronics and information technology, it has the features of high accuracy, highly automated and highly flexible.2, Requests for inverters (VFD)(1) It can work normally at 300RPM speed, has good stability, high control accuracy, fast response speed and high output torque at low speed.(2) It should have exter

Kinda frequency inverter applied in carving machine1, Load feature(1) It is used to drive high speed motor, the maximum speed is about 24000RPM, correspond to 400Hz, the minimum speed is about 2000RPM.(2) It needs high torque at low speed.2, Requests for frequency inverters (VFD)(1) Wide range of operation frequency.(2) It needs multi-points V/f carve, which can control the output torque at different speed.(3) An external input ON/OFF signal will be used to start and stop the frequen

Kinda AC drive applied in conveyer belt1, Load feature(1) With big fluctuation.(2) Lots of dusts in the operation sites.2, Requests for AC Drives (VFD) (1) Soft start the motor, reduce the surge current, protect the motor and conveyer. (2) Big output torque at low frequency, it should run smoothly during working. (3) Motor speed can be adjusted by external potentiometer. (4) Running current can be monitored timely. (5) While the failures happen, the AC drive can output alarm or stop.3, Instru

Kinda VFD applied in industrial washing machine1, Load feature (1) During washing processing, the running frequency is around 10Hz. (2) Heavy load at low frequency. (3) Forward / reverse running are switched frequently. (4) Big surge current. (5) During spinning-dry processing, the running frequency is as high as 130Hz or higher than 130Hz. (6) It always works at high humidity and high temperature conditions.2, Requests for frequency inverters (VFD) (1) Output high torque at low f

Kinda VSD applied in platic film blowing machine1, Load feature There are two parts on plastic film blowing machine can get energy saving: (1) Power driven system, most of this part will install an additional frequency inverter, which make the main motor works at 30~40Hz to get energy saving;. (2) Heating system, most of this part will install an electromagnetic heater to get energy saving.2, Requests for frequency inverters (VSD) (1) Output high torque at low frequency. (2) H

Kinda VFD applied in plastic extruder1, Load feature There is a screw rotates in the tube body to push the plastic material move ahead, the screw type will increase the pressure to overcome the big resistance. Plastic extruder is constant torque load, it needs high output torque, and meantime the temperature on the site is always high and dust will be more..2, Requests for frequency inverters (VFD) (1) Control is simple. (2) Output high torque at low frequency.. (3) Heat sink perf