VACA D22-A Okuma
Wake Industrial LLC is not an authorized distributor of this product.
The VACA D22-A spindle drive is equipped with 12 EVM31-050A transistor modules that handle 150A at 600V each. Manufactured by Okuma, it is part of the VAC Spindle Drives series and operates on an AC input voltage of 170-250V at 50/60Hz. The unit features a rear-mounted cooling fan and 7 fuses.
Internal Product Review
The VACA D22‑A Drive is a robust CNC spindle motor controller of Okuma. It features a 7‑segment display and three-phase AC input handling up to 22 kW, with built-in breaker protection and glass fuses. It is commonly used on Okuma OSP5000/7000 systems for milling and turning centers in metalworking.
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Product Description:
The Okuma VACA D22-A Drive equips the VACA03J EPROM firmware which makes it a specialized spindle motor controller engineered for computer numerical control applications. It is able to manage precise motor behavior such as speed, braking and fault responses and it uses passive cooling for reliable performance in harsh machining environments.
The VACA D22-A drive three phase alternating current power input allows it to handle high power efficiently and ensures the delivery of consistent power required for heavy duty and high speed operations without voltage drops or phase imbalance. It gives power to the spindle motor via three terminals labeled U, V and W which enables it to rotate with smooth torque and precise directional control and it comes with a main breaker which protects it from electrical overloads. It is able to safely disconnect power up to 500 volts and 100 amps across three phases which suggests it can support powerful motors without risk of tripping under normal load. It has a trip current value of 100 amperes which means if it consumes more than 100 amps due to a jam or overload, the system shuts down to prevent damage. It is included with glass fuses having ratings of 0.5 amperes, 2 amperes and 5 amperes which are designed to fail under fault conditions.
The numerical display of this VACA D22-A drive allows operators and technicians to see real time error codes or operational status at a glance which is essential in diagnostics and troubleshooting during operation. It is designed with a 13 segment LED array for diagnostic indications to show current conditions such as Ready, Run, Overheat or Alarm which help monitor its internal processes and offer early warnings of faults affecting spindle rotation.
