Repairs and Service For

Siemens 1FT6044 Motors

Servo Motor Send-In Repair » Siemens » Siemens 1FT6 Motors » Siemens 1FT6044 Motors

Siemens 1FT6044-4AF71-7EK2 Servo Motor

Rated Rotational Speed: 3000 RPM

Rated Output: 1.4 kW

Rated Torque: 4.3 Nm

Standstill Torque: 5 Nm

Rated Current: 2.9 A

Pole Pair Number: 2

Rotor Moment of Inertia: 5.1 (Without brakes)

Shaft Height: 48

Shaft End: IM B5

Radial Eccentricity Tolerances: R

Holding Brake: No

Connector Outlet Direction: Axial non-drive end

Construction Type: IM B5

Vibration Severity Grade: N Degree of Protection: IP67

Weight: 8.3

Encoder Systems: Absolute encoder EnDat, 2048 pulses/revolution

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Servo Lab Capabilities

We have documented 96 different Servo Manufacturer repair reports in our Database

We repair AC Servos, DC Servos, AC Spindles, and AC Actuators

Capable of 24-hour repairs in many cases

We have thousands of spare and rebuilt motors in our inventory for parts or exchange motors

Servo Lab Repair Procedures

Data

Motor nameplate data is recorded

Inspection

A visual inspection of any damage to the motor.

We check for

Damaged Leads/Terminals
Worn output shaft/keyways
Cracks in end bells or covers

Job Ticket

We complete to full write up off all motor data

Including

All winding tests (Resistance, Meg Ω, Continuity)
All bearing sizes
All seal sizes
Brake torque tests (Record Torque, winding resistance)
Feedback Tests (Tachometer/Encoder)

Motor Disassembly

Bearing and seal sizes are recorded
Bearing fits are measured on shaft and End bell
Brake torque is measured as well as resistance and Meg Ω
More winding tests are performed (Surge and HiPOT tests)
Stator is then washed and baked in oven
Magnets are inspected for cracks or if loose on shaft
Encoder is tested with either (Heidenhain PWM20, Sick PGT-11, or Mitchell Electronics equipment)

Assembly

New bearings are installed
New seals are installed
If required, new windings are impregnated
Brakes are rebuilt or replaced depending on manufacturer design.
Rebuilt or New encoders are installed and aligned using:
(Heidenhain PWM20, Sick PGT-11, or Mitchell Electronics equipment)

Rotor Balancing and Testing

Rotor is run through a full vibration diagnostic

Run Testing

Every Motor is Run for a minimum of 1 hour using one of our drives.
We use Siemens S110, S120, IndraDrive, AB Kinetix 300, Yaskawa 7, and AMC drives

Service Report

A Final 3-page Service Report is filled out
Pinout diagram for power and feedback is provided
Brake torque is recorded a final time for our Service Reports
A photo of nameplate and motor is attached
A motor tag is installed on motor with QR code linking Service Report and Job Histories
If requested, a YouTube link is attached to the service report of motor

Siemens 1FT6044 Series Servo Motor List

The following Siemens servo motors are numbered 1FT6044-XXXXX-XXXX from 1AF71-3AA0 to 4AK71-4TL7. The servos on this page are differentiated by shaft configuration, ingress protection rating, connector outlet direction, and encoder type. Each 1FT6031 servo motor shares the following technical specifications (see right).

We also have some refurbished Siemens motors on hand if you can't wait for repairs.

A&C Electric can repair any Siemens servo. Call us today at 586-469-0710

Rated Rotational Speed: 3000-6000 RPM
Shaft Height: 48
Rated Output: 1.4-1.9 kW
Rated Torque: 3-4.3 Nm
Rated Current: 2.9-4.1 A
Standstill Torque: 5 Nm
Pole Pairs: 2
Rotor Moment of Inertia: 5.1
Weight: 8.3 kg

Your motor isn't showing up? We'll still fix it.
- Call A&C Electric for repairs (586) 469.0710 -

Electrical Apparatus Service Association

A&C Electric is a certified distributor service center.

A & C Electric Company HarrisonTownship, Michigan

A&C Electric Company specializes in servo motor repairs, industrial motor repairs, motor refurbishing and new motor sales. Save money on motor repairs and reduce your downtime with fast send-in comprehensive industrial and electric motor testing and motor repairs. A&C Electric Company services Harrison Township MI, Detroit MI, Warren MI, Lansing MI, Clinton Township MI, Flint MI, Ann Arbor MI, Troy MI, Grand Rapids MI and Toledo OH.

41225 Irwin Rd, Harrison Township, MI 48045 USA

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