Product Description

Okuma has built a legacy of delivering sturdy and powerful equipment for factory automation purposes. Through the years, the company’s products have proven to be reliable and are used by manufacturers in different world industries. Some of the products found in its portfolio include grinders, lathes, machining centers, grinders, CNC machine tools and CNC controls. Okuma is the manufacturer of the spindle servo motors in the VAC series.

The VAC-MF7.5-5.5R-7.53-R1-R is a spindle servo motor designed and manufactured by Okuma. It is a VAC spindle motor model with a continuous power output rating of 5.5kW and a peak power output rating of 7.5kW for 30 minutes. It can achieve speeds between 750 revolutions per minute and 6,000 revolutions per minute. The recommended voltage for its operation is 170V and it has a maximum current rating of 38A. The bearing code on its drive end is indicated as 6308ZZ while it is indicated as 6208ZZ on the opposite end.

The weight of the VAC-MF7.5-5.5R-7.53-R1-R is 105kg. It is a product that belongs to insulation class F according to the NEMA standard. As a result, its winding insulation has a maximum permissible temperature of 155^oC. At the motor’s operation site, an ambient temperature that ranges between 0^oC and 40^oC is required. It should also be protected from chips, water, and oil. Like other motors in the VAC series, this spindle motor can be used with the VAC drive units. These drive units have LEDs that indicate their operating state and are important for fault diagnosis and resolution.