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2 Pole Brushed Coreless Micromotors

ATOM DC Series

The specific design construction of a coreless DC motor provides several advantages over traditional, iron-core, technology. A first added value is given from the rotor’s lower mass and inertia, so very rapid acceleration and deceleration rates are possible. Furthermore, the lack of iron reduces “iron losses” to provide higher efficiencies (up to 90 percent) than traditional DC motors. Last, but not least, the coreless design reduces winding inductance, so sparking between the brushes and commutator is reduced, increasing motor life and reducing electromagnetic interference (EMI).
Servotecnica’s Coreless DC Motors are available in a wide range of sizes and have high flexibility on mechanical custom requirements.

Technical Specifications

  • From 12 to 40mm in diameter
  • Powers up to 200W
  • High efficiency
  • Can be coupled with Reducers and Encoders
  • Low Noise

Attributes

Coreless
Customizable
High efficiency
Low inertia
Low noise
brand

ATOM DC Series

The specific design construction of a coreless DC motor provides several advantages over traditional, iron-core, technology. A first added value is given from the rotor’s lower mass and inertia, so very rapid acceleration and deceleration rates are possible. Furthermore, the lack of iron reduces “iron losses” to provide higher efficiencies (up to 90 percent) than traditional DC motors. Last, but not least, the coreless design reduces winding inductance, so sparking between the brushes and commutator is reduced, increasing motor life and reducing electromagnetic interference (EMI).
Servotecnica’s Coreless DC Motors are available in a wide range of sizes and have high flexibility on mechanical custom requirements.

Attributes

Coreless
Customizable
High efficiency
Low inertia
Low noise

Technical Specifications

  • From 12 to 40mm in diameter
  • Powers up to 200W
  • High efficiency
  • Can be coupled with Reducers and Encoders
  • Low Noise

ValuesUnit1230-06..1230-12..1230-15..1230-24..
Nominal voltageV6121524
No-load speedrpm13500114001350015000
No-load currentmA22.016.015.08.0
Nominal speedrpm1080091201080012000
Nominal torquemNm1.41.51.82.7
Nominal currentA0.40.20.20.2
Stall torquemNm7.07.69.213.4
Stall currentA1.690.780.890.90
Max. efficiency%78.577.779.980.0
Terminal resistanceΩ3.5515.3816.8526.67
Terminal inductancemH0.250.590.650.98
Torque constantmNm/A4.199.9110.4915.11
Speed constantrpm/V2250.0950.0900.0625.0
Speed/torque gradientrpm/mNm1932.11495.91462.31115.5
Mechanical time constantms5.74.34.53.2
Rotor inertiagcm20.280.270.290.27
Thermal resistance housing-ambientK/W33333333
Thermal time constant windings7.07.07.07.0
Thermal resistance winding-housings4.884.884.884.88
Thermal time constant motor°C229229229229
Ambient temperature°C-20...+85-20...+85-20...+85-20...+85
Max. permissible winding temperaturerpm+100+100+100+100
Max. permissible speedN15000150001500015000
Max. axial load (dynamic)N0,10,10,10,1
Max.force for press fits (static)N20202020
Max. radial loading, 5mm from flange5555
Number of poles2222
Weightg17171717
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