Product Description
Okuma is a world-leading machine tool producer with a massive competitive advantage over its competitors. The company’s automation products are developed with the most advanced technologies. Its diverse and impressive product categories include CNC machines, encoders, drives, CNC control, motors, etc.
The VAC-MF7.5-5.5R-153 is a spindle-type motor manufactured by Okuma Machinery Works in Japan. It is a highly reliable and high-precision electric motor designed to meet the demands of several industries. The Okuma VAC-MF7.5-5.5R-153 was developed with the most outstanding care and underwent a specialized assessment to guarantee stress-free operation. This motor weighs approximately 90 kg, and its height, length, and width are 25”, 8”, and 11”, respectively. The minimum speed of the VAC-MF7.5-5.5R-153 is 1500 RPM, and its maximum speed is 6000 RPM. Its power ratings are 5.5 kW and 7.5 kW. At these power ratings, its operating voltage is 170 V. The current rating of this unit is 32 Amperes at 5.5 kW and 37.5 Amperes at 7.5 kW. The insulation class of this unit is F, which translates to thermal class 155, as per IEC 60085. In addition, the maximum permissible hotspot temperature of the VAC-MF7.5-5.5R-153 is 155 degrees C.
The Okuma VAC-MF7.5-5.5R-153 relates with the MIV inverter units (MIV06-3) manufactured by the company, and the relationship varies with the machine’s specification. It features a drive end bearing which makes it suitable for impact loads and heavy loads. Furthermore, the operating status of the VAC-MF7.5-5.5R-153 unit is indicated by the LED on its control Printed Circuit Board (PCB). Generally, the recommended ambient operating temperature range for Okuma VAC motors is between 0 degrees C to 45 degrees C.
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