Servo Motors

Fanuc

Fanuc S and Alpha Series AC Servo Motors

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Repair Brands Index
(Brands We Service)

M & L Series DC
Motors

S & Alpha Series
Spindle Motors

Alpha I Servo motors

Fanuc
ServoSeal ^TM

Alpha I Std / HV
Spindle Motors

Alpha i CTTS

- All original Fanuc drives and CNC controls

- Test system designed and engineered by GEF and SMD

- Original Fanuc CNC motor test programs

- Encoder and signal generator testing and alignment to manufacturer's specifications

- SMD special AC motor test stand

- In-house rewinds BETTER than OEM specifications

- Proprietary motor winding fixtures

- Copper windings, class H insulation materials

- Superior sealing system for stator windings, end bell and housing fits, connectors, seals, etc.

- End bells and shafts measured to manufacturer's specification or better

- Balancing to Class 1 or better

- Vibration testing with SKF analysis equipment

- DC brake rebuilding and rewinding

- Over $100,000 in original Fanuc motor parts

- One year warranty from installation date

- SAME DAY turnaround service

- Lowest end-user prices on new motors and controls

Servo repairs hundreds of Fanuc servo's every month.

Stator windings: lack of varnish on coil ends of windings; hardly any tie cords, no phase paper, LOOSE WIRES.

Another example of a conventional motor shop's bad Fanuc rewind. Notice the class F red insulation varnish and the gritty contamination that was never cleaned off. Servo's varnish tank is pure and clean and our varnish is tested monthly for proper PH levels.

Rewind on left done by conventional motor shop with conventional winding machine. Conversions do not work because the end bells won't fit when reassembled.

Rewind on the right done by SMD on a (CPW) continuous phase winding machine. A perfect fit everytime.

Most Fanuc encoders used on later S series and Alpha series motors have a ribbon cable going from the connector to the PC board. Extreme care must be taken when attaching the mating connector.

Fanuc D/C brakes are repairable. Servo makes their own armature plates and friction discs while rewinding the brakes coils. Customers save a lot of money on Servo's brake rebuilds versus the cost of a new - usually unavailable - brake from Fanuc.

Servo tech final testing a Fanuc size 20s S series servo motor. All Fanuc servo motors are closed loop tested on Fanuc test systems.

One of the worst designed encoders by Fanuc. Because the connectors are exposed and very leaky, customers only hope to keep coolant out of the motor is to mount the motor with the connector facing down; or to silicone all around the connector.

Rebuilt Servo Seal^TM Fanuc size 5 AC servo motor being test run on a Fanuc S series test system.

Fanuc Size 65 A/C servo motor, rebuilt and ready to ship.

Rebuilt and ServoSeal^TM Fanuc size 5 A/C servo motor with O-ring kit. Servo supplies O-rings for every mating connector. Keep the coolant out!

ServoSeal^TM servo and spindle motors ready to ship with O-ring kits, shaft protection.