I wanted to thank you and the TigerTek team for all your efforts this past week-end. The quick response and "round-the-clock" efforts were very much appreciated and proved yet again that TigerTek can be counted on in an emergency. Please extend my sincere appreciation to all involved.  You guys do a Great Job!


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Servo Motor Compensation

Servo motor compensation involves tuning a servo motor's gain and bandwidth in order for a machine to perform without excessive overshoot, settle within adequate time periods, and have minimum steady state error. Compensation is required so that the controller and the machine will operate properly, producing accurate parts at a high rate of productivity. A machine must operate in two very distinct modes in order to produce accurate parts: A transient state (also known as dynamic response state) and a steady state.

The transient state occurs when input commands change thereby causing the motor to change speed, either accelerating or decelerating. It is during this period that there is a required time for the motor (or load) to reach its final speed or position, known as rise time; required time for the motor (or load) to settle; and an acceptable amount of overshoot. The steady state occurs when the motor (load) has reached final speed, meaning continuous operation.

The servo motor's gain is a ratio of output versus input. Gain is how close to the desired speed or position the servo motor is; high gain allows small accurate movements making the machine capable of producing precise parts. Bandwidth is measured in frequency. Bandwidth is how fast the machine or controller responds. A fast response will enable the machine to react quickly, producing many parts.

However, servo motors are not all designed with high gain (high accuracy) and wide bandwidth (fast response) due to limitations of the components and resonant conditions. Components can only handle only so much power plus increasing gain adds components, cost, and complexity. Machines operated at the resonant point - the breaking point - increase instability and the chance that severe damage will occur. Therefore, servo motor compensation through adjustments to gain and bandwidth allow for a machine to produce parts accurately and quickly.

Don't let a malfunctioning servo motor compromise production. Order servo motor repair from TigerTek. While TigerTek specializes in Fanuc servo motor repair, TigerTek's experts repair numerous brands of servo motors daily.


Servo Motor Repair Services

Fanuc Servo Motor Repair
Pacific Scientific Servo Repair
Yaskawa Servo Motor Repair
Siemens Servo Motor Repair
Allen Bradley Servo Repair
Additional Servo Brands Serviced

Additional Servo Repair Info.

General Repair Info. - Fanuc Servo Motors
Fanuc Servo Maintenance & Parts List
Fanuc Servo Motor Repair - Technical Specifications
General Repair Info. - Yaskawa Servo Motors
Repair Services - Yaskawa Linear Servos
Repair Services - Yaskawa Rotary Servos

Electric Motor Repair Services

Servo Motor Repair
Stepper Motor Repair
Permanent Magnet / PMDC Motor Repair
Spindle Motor Repair
Servo Motor Resources

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For national servo motor repair, stepper motor repair & other industrial services, including Fanuc servo motor repair, spindle motors,
brushless motors, and more, TigerTek is your servo motor repair source. Our specialty is lightning-fast in-house servo repair for all major brands.
All servos are expertly repaired with OEM parts and quickly returned like new, complete with 1 year warranty.
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