Aeroespacial

SENER SUM Stepper Motors

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SENER SUM Motor SENER SUM Motor
SENER SUM Motor
SENER SUM Motor
  • Country: Spain
  • Start date:
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Since 2015, SENER Aeroespacial has become a leading global expert in the design and manufacture of motors for the aerospace industry. SENER has vertically integrated this potential into its portfolio by investing company resources in its R+D+i program.

The SUM stepper family of motors is currently being integrated into the rotary actuator product line that will be deployed in flights on the Next Generation Platform (known as Neosat), as well as the Euclid, Exomars and Juice scientific European Space Agency (ESA) missions.

The SUM motor design process ensures a high degree of consistency between the FEM model and the manufactured units.

This means shorter turnaround times by minimizing the number of repetitions needed to obtain a motor that matches specifications.

The stepper motor portfolio caters for diameters ranging from 38 to 150mm, in 2-phase and 4-phase designs. The number of turns per phase, distance between rotor and stator, etc., which are design parameters used by SENER Aeroespacial’s engineers in the course of their work, may be seen in the attached table.

Capabilities

All design activities, including those for the SUM electric motors, are done by SENER Aeroespacial engineers, aided by the most modern CAD/ CAE tools in the market.

Excluding the manufacture of basic parts, all AIT activities are carried out by SENER’s Aeroespacial personnel at its own installations.

Design

SUM motors are currently manufactured in diameters ranging from 38 to 150 mm, in 2-phase and 4-phase designs. These parameters are non-restrictive and different designs may be configured upon request.

Technical data:

 Features Unit SUM-36-200-M SUM-36-120-M2 SUM-36-200-M SUM-38-200 SUM-55-360 SUM-88-160 SUM-88-360 SUM-88-800 SUM-150-1800
Rotor size mm 36 36 36 38 55 88 88 88 150
Steps mm 120 120 200 200 360 160 360 800 1,800
Mass gr. 165 165 165 130 230 400 400 400 915
Running torque Nm “0.15 (4 phase)
0.32 (2 phase)”
0.135 (2 phase) 0.19 (2 phase) 0.08 0.3 0.55 0.6 0.3 15
Detent torque Nm 0.08 0.08 0.06 5 45 145 80-150 80 2,000
Resistance Ohm 60 (4 phase) 80 (2 phase) 80 (2 phase) 80 38 65 80-150 40 20
Power consumption W “11.3 (4 phase)
22.6 (2 phase)”
8.5 (2 phase) 8.5 (2 phase) 8.5 17.8 10.5 8.5-6.8 17 33.8
Temperature range Nm -45/+95 -45/+95 -45/+95 -45/+95 -45/+95 -45/+95 -45/+95 -45/+95 -45/+95
Technology maturity   TRL6
(TRL8 2020Q2)
TRL6 TRL5 TRL3 Space qualified Space
Qualified
Space
Qualified
TRL4 TRL3
                     

 

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