Infranor Company Review: Servo drives, motors and engineered motion-control systems
Infranor supplies servo motors, drives and motion-system engineering for machine builders. Its group portfolio includes Mavilor motor technology and drive families for different power and control requirements, making it relevant where a machine needs a matched motion subsystem rather than an isolated motor selection.
Engineering verdict
Infranor is worth evaluating when motor characteristics, drive behavior and application engineering need to be considered together. Its breadth can support a closely matched motion solution. The buyer must still qualify the actual feedback, firmware, communications and mechanical load; group branding does not make every motor and drive a proven compatible pair.
Company at a glance
Company detail | Verified scope |
Company | Infranor |
Technical focus | Servo drives, motors and engineered motion-control systems |
Role | Component manufacturer / OEM supplier |
Group structure and technology background
Infranor’s company material describes a motion-control group with motor and drive expertise. Its history identifies Mavilor Motors as established in Spain in 1973 and part of Infranor from 1979. Those dates describe Mavilor’s history and should not be reused as an unsupported founding date for every Infranor entity. Procurement should identify the manufacturer of the selected component, the selling organization and the party responsible for application engineering and long-term service.
Motor and drive portfolio
The catalogue represents T-series dynamic servo motors, MPM synchronous motors, BR pancake torque motors and Easy drive products among other families. These names span different motor geometries and control approaches. A pancake motor may solve a packaging problem, while another family may prioritize a different speed, inertia or installation requirement. Assess the particular winding, feedback and thermal conditions rather than assigning one family’s behavior to the whole group portfolio.
Matched motion starts with the load
Define the mechanism’s torque and speed through the complete cycle and establish the reflected inertia at the motor. Acceleration, reversal and dwell can create a very different thermal duty from steady rotation. Check continuous and peak capability with the intended cooling and drive supply. An apparently compact motor with high peak torque may be unsuitable for sustained loading, while an oversized motor can create its own inertia and tuning tradeoffs.
Feedback, firmware and control integration
A compatible servo subsystem needs more than matching power ratings. Confirm commutation, encoder or resolver signals, feedback supply, motor parameters and drive firmware support. Establish the required host interface and control modes from the model-specific documentation. Loop bandwidth and encoder resolution are useful characteristics, but neither alone establishes actual positioning accuracy. Mechanical compliance, backlash, resonances and thermal drift influence the machine’s final behavior.
Safety-capable products have defined boundaries
The manufacturer documents safety-capable servo products, including selected PacHP Safety configurations. A safety function such as safe torque off must be understood from the exact product manual and its stated implementation requirements. It does not by itself validate the stopping distance, suspended-load behavior or safety performance of an entire robot cell. The machine design must address braking, residual motion, power isolation and the relevant fault conditions around the drive.
Where the portfolio can be useful
Machine tooling, precision automation and industrial mechanisms can benefit from a supplier able to discuss the motor and drive as one motion problem. The advantage is strongest when application support can review a real cycle, mechanical model and acceptance criterion. Compare with an alternative servo supplier using the same continuous duty, feedback, network and settling requirements. For a frameless or highly integrated motor design, explicitly allocate responsibility for bearings, cooling and mechanical retention.
Commissioning, service and purchasing
Request the proposed motor-drive pairing, feedback cables, connector pinout and configuration files as part of a controlled bill of materials. Define the acceptance test around actual load, thermal stability, settling and fault response. Ask whether a replacement drive can accept the validated settings and whether firmware changes require requalification. Include engineering assistance, spares and lifecycle availability in the quotation. No claim of universal compatibility, fixed lead time or best-in-class performance follows solely from the group’s motion-control specialization.
Representative products in the ATC catalogue
These internal catalogue entries show the product families covered on All Things Cobots. Related variants or historical listings are not a count of unique current manufacturer SKUs.
Selection checklist
Decision | Evidence to request |
Motor-drive pair | Confirm winding, feedback, commutation, supply and firmware together. |
Mechanical cycle | Evaluate inertia, reversals, continuous torque and thermal conditions. |
Control performance | Measure settling and accuracy in the actual mechanism. |
Safety and lifecycle | Document safety-function integration, backups and replacement compatibility. |
Frequently asked questions
What does Infranor supply?
The reviewed scope includes servo motors, drives and motion-control engineering, with Mavilor motor technology represented within the group portfolio.
Is Mavilor a separate unrelated motor supplier?
Infranor’s published history identifies Mavilor Motors as part of the group. The exact manufacturing and support entity should still be specified for a purchase.
Can any Infranor drive run any group motor?
No universal compatibility should be assumed. Verify winding parameters, commutation, feedback, electrical ratings and firmware support for the proposed pair.
Does a high encoder resolution guarantee machine accuracy?
No. Resolution is one part of the feedback system. Calibration, mechanics, thermal drift and control tuning affect achieved accuracy.
Why is reflected inertia important?
It influences acceleration demands, control stability and tuning. Evaluate the mechanism and transmission together with motor inertia and the intended motion cycle.
Does safe torque off make a complete robot cell safe?
No. A drive function has a defined scope. The machine must address residual motion, brakes, suspended loads, stopping behavior and the complete safety circuit.
What should commissioning deliver?
Retain a verified motor-drive pairing, wiring and feedback details, firmware versions, parameter backups and acceptance results under representative load and temperature.
When is Infranor a useful shortlist candidate?
It is relevant when an OEM needs servo hardware and application engineering around a defined machine duty, and can validate the complete mechanical and control integration.
