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Infrastructure

Capital is manufacturing precision motorized spindles for over 15 years. We emphasize on quality, accuracy and on-time delivery that makes Capital's Spindles the best choice for your production needs. 

We specialize in precision fitting custom built AC Induction motors to the spindle shaft. Precision balancing of these units provide high accuracy and high-speed capability. A temperature controlled assembly and inspection area are state-of-the-art coordinate measuring machines. 

HORSEPOWER HEAT DISSIPATION
Motor horsepower (HP) is a function of the size and the RPM of the motor. The larger the motor, the greater the horsepower at a given RPM.

Motors that cause greater heat loss can be cooled with a fan that blows air over the motor. These motors are classified as TEFC (totally enclosed fan-cooled.) When even greater horsepower is required in a smaller package, TELC (totally enclosed liquid-cooled) motors put to application. These motors are cooled by circulating liquid around the motor. 

Capital has several years of experience in the design and application of precision motorized spindles. For more information you may contact us. 

VARIABLE FREQUENCY DRIVES
Capital supplies motorized spindles for any speed up to 75,000 RPM. To operate at speeds other than 900, 1200, 1800 or 3600 RPM, a variable frequency drive is required. Variable frequency drives must be carefully matched to the motors they drive. Motors and variable frequency drives have pre-determined volts-to-hertz ratios, and these ratios must match for a successful application. Speed control can be integrated into your machine control for ramp-up, ramp-down and adjustment. This can be included in your machine program code or as an electrical control switch or dial.

SPINDLE LUBRICATION
High speed spindles require special bearing lubrication. Capital's air/oil lubrication systems inject precise amount of oil at controlled intervals for optimal bearing life and minimum heat generation. Utilizing only fractions of a drop per cycle means no environmental oil mist concerns. In addition, high air pressure is used to provide maximum protection against contamination of the spindle.

More Information:

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    Yogesh Sudhir

    (Managing Director)

    Capital Engineering Corporation

    Dhaulakuan, New Delhi, Delhi, India

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