Energy-Efficient Machine Tool Technologies, For Any Size Shop
DOWNLOAD THIS WHITE PAPER
This white paper is also available as a free downloadable PDF. Or, you can continue reading it below.
Machine shops of any size can control their own destiny by adopting new energy-efficient machine tool technologies.
ECO POWER MONITOR
The ECO Power Monitor allows you to see how much energy is being saved – right on the machine tool’s display (See Figure 3). Power consumption is shown for spindles, feed axes and peripheral equipment.
OKUMA’S PREX MOTOR: “SUPERIOR ENERGY-SAVING MACHINE” AWARD WINNER
Many of Okuma’s CNC machines are equipped with the company’s PREX motor, which in 2009 won the Superior Energy-Saving Machine Award sponsored by the Japan Machinery Federation.PREX motors are built-in reluctance motors incorporated in the many spindles used in Okuma machine tools. Numerous slits in the rotor make generation of reluctance power more efficient (See Figure 6). This unique rotor structure has a small amount of interpolated permanent magnets to increase performance. The PREX motor is more efficient than induction motors, which were the main power source of spindles in the past, and high torque in typical turning ranges raises the system efficiency by 4-9%.