Application | TOSHIBA INVERTER

Lathes　［Machine tools］

Merits of inverter drives

Lathes with inverters have the following merits:

- Stable speed
  Inverters can control rotation tables to be stable speed at any load by sensor-less control methods.

- Heavier rotation tables
  Lathes with inverters can be used heavier rotation tables. Because inverters control motors with low speed and low frequency when motors start to move. In this case, it is necessary to set an acceleration time to a long setting value.

- Cost reducing of mechanical brakes
  Inverters can decrease motor speed instead of mechanical brakes. Therefore maintenance costs of mechanical brakes are reduced. In this case, it is necessary to install a braking resistor to an inverter.

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