Xtrafors BT AC Servomotors
  • Xtrafors BT AC Servomotors

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Manufacturer: Mavilor

AC XtraFors BT servosilniki

This family of motor with low voltage windings at 24 and 48 Vdc have been designed for battery powered robotics applications. With a compact design and excellent torque to inertia ratio Xtrafors BT are able to provide extremely high accelerations.



BLT Technical data


WINDING 24V Units BLT-53 BLT-55 BLT-71 BLT-72 BLT-73
Nominal Speed rpm 2500 3000 2500 2500 2000
Max Speed with no load rpm 4400 4400 3600 3500 2800
Stall Torque Nm 0,39 0,7 0,8 1,9 2,7
Stall current A 7,8 14 13,3 31 35
Peak Torque Nm 1,56 2,8 3,2 7,8 10,8
EMF constant (±5%) Vs/Rad 0,05 0,05 0,06 0,06 0,08
Torque constant (±5%) Nm/A 0,05 0,05 0,06 0,06 0,08
Winding Resistance (±5%) Ω 0,71 0,25 0,4 0,13 0,1
Winding Inductance (±5%) mH 0,88 0,33 0,27 0,13 0,1
Rotor Inertia Kgm210-3 0,011 0,017 0,026 0,050 0,074
Mechanical Time Constant ms 3,74 2 3,32 1,99 1,71
Electrical Time Constant ms 1,24 1,32 0,68 1 1
Thermal Time Constant s 540 1120 1100 1280 1561
Thermal Resistance °C/W 2,01 1,72 1,21 0,69 0,59
Pole Pair   2 2 4 4 4
Insulation   F F F F F
Protection   IP65 IP65 IP65 IP65 IP65
Weight without brake kg 1 1,4 1,5 1,9 2,3
Brake 24VDC (option) Nm 0,75 0,75 1,5 1,5 3
Weight with brake kg 1,2 1,55 1,7 2,1 2,6
Heat Sink Plate mm 300x300x10 300x300x10 300x300x10 300x300x10 300x300x10


WINDING 48V Units BLT-53 BLT-55 BLT-71 BLT-72 BLT-73 BLT-74 BLT-111 BLT-112
Nominal Speed rpm 3000 3000 3000 3000 3000 3000 3000 2500
Max Speed with no load rpm 6100 5100 5300 5700 3900 4100 3900 3200
Stall Torque Nm 0,39 0,7 0,8 1,9 2,7 3,4 2,9 4,7
Stall Current A 5,6 8,3 9,5 27 24,5 34 26,3 35
Peak Torque Nm 1,56 2,8 3,2 7,8 10,8 13,6 11,6 19
EMF constant (±5%) Vs/Rad 0,07 0,085 0,085 0,07 0,11 0,1 0,11 0,14
Torque constant (±5%) Nm/A 0,07 0,085 0,085 0,07 0,11 0,1 0,11 0,14
Winding Resistance (±5%) Ω 1,43 0,54 0,83 0,19 0,25 0,14 0,19 0,1
Winding Inductance (±5%) mH 1,8 0,73 0,61 0,2 0,25 0,17 0,27 0,19
Rotor Inertia Kgm210-3 0,011 0,017 0,026 0,05 0,074 0,08 0,2 0,38
Mechanical Time Constant ms 1,72 1,47 3,83 1,88 1,71 1,18 3,52 2,2
Electrical Time Constant ms 1,27 1,36 0,73 1,05 1 1,21 1,42 2
Thermal Time Constant s 540 1120 1100 1280 1561 1990 2520 1910
Thermal Resistance °C/W 2,01 2,34 1,05 0,73 0,59 0,58 0,67 0,73
Pole Pair   2 2 4 4 4 4 4 4
Insulation   F F F F F F F F
Protection   IP65 IP65 IP65 IP65 IP65 IP65 IP65 IP65
Weight without brake kg 1 1,4 1,5 1,9 2,3 2,8 4 5
Brake 24VDC (option) Nm 0,75 0,75 1,5 1,5 3 3 8 8
Weight with brake kg 1,2 1,55 1,7 2,1 2,6 3,1 4,8 5,8
Heat Sink Plate mm 300x300x10



Torque curves for 24VDC (red) and 48VDC (blue)











Standard version

  • Feedback : Magnetic Encoder RMC22
    (Hall + TTL 1024 pulses per rotation)
  • Shaft with keyway
  • IP65
  • Connectors
  • With or without brake

Options

  • Shaft without keyway
  • IP67
  • Straight connectors
  • Customised windings
  • Other executions according to customer's especifications



Mechanical dimensions




Diemnsions
[mm]		 ΦA ΦB ΦC ΦD E F G H K L (without brake) L (with brake)
BT053 40 j6 65-66,6 5,6-6,4 9 k6 20 A3x3x12 2,5 57 76,5 120 120
BT055 40 j6 65-66,6 5,6-6,4 9 k6 20 A3x3x12 2,5 57 76,5 140 170




Wymiary
[mm]		 ΦA ΦB ΦC ΦD E F G H K L (bez hamulca) L (z hamulcem)
BT071 60 j6 75 5,5 11 k6 23 A4x4x14 2,5 70 107 100 128
BT072 60 j6 75 5,5 11 k6 23 A4x4x14 2,5 70 107 120 148
BT073 60 j6 75 5,5 11 k6 23 A4x4x14 2,5 70 107 138 166
BT074 60 j6 75 5,5 11 k6 23 A4x4x14 2,5 70 107 156 184
BT111 95 j6 115 9 19 k6 40 A6x6x30 3 110 144 165 165
BT112 95 j6 115 9 19 k6 40 A6x6x30 3 110 144 190 190
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This family of motor with low voltage windings at 24 and 48 Vdc have been designed for battery powered robotics applications. With a compact design and excellent torque to inertia ratio Xtrafors BT are able to provide extremely high accelerations.



BLT Technical data


WINDING 24V Units BLT-53 BLT-55 BLT-71 BLT-72 BLT-73
Nominal Speed rpm 2500 3000 2500 2500 2000
Max Speed with no load rpm 4400 4400 3600 3500 2800
Stall Torque Nm 0,39 0,7 0,8 1,9 2,7
Stall current A 7,8 14 13,3 31 35
Peak Torque Nm 1,56 2,8 3,2 7,8 10,8
EMF constant (±5%) Vs/Rad 0,05 0,05 0,06 0,06 0,08
Torque constant (±5%) Nm/A 0,05 0,05 0,06 0,06 0,08
Winding Resistance (±5%) Ω 0,71 0,25 0,4 0,13 0,1
Winding Inductance (±5%) mH 0,88 0,33 0,27 0,13 0,1
Rotor Inertia Kgm210-3 0,011 0,017 0,026 0,050 0,074
Mechanical Time Constant ms 3,74 2 3,32 1,99 1,71
Electrical Time Constant ms 1,24 1,32 0,68 1 1
Thermal Time Constant s 540 1120 1100 1280 1561
Thermal Resistance °C/W 2,01 1,72 1,21 0,69 0,59
Pole Pair   2 2 4 4 4
Insulation   F F F F F
Protection   IP65 IP65 IP65 IP65 IP65
Weight without brake kg 1 1,4 1,5 1,9 2,3
Brake 24VDC (option) Nm 0,75 0,75 1,5 1,5 3
Weight with brake kg 1,2 1,55 1,7 2,1 2,6
Heat Sink Plate mm 300x300x10 300x300x10 300x300x10 300x300x10 300x300x10


WINDING 48V Units BLT-53 BLT-55 BLT-71 BLT-72 BLT-73 BLT-74 BLT-111 BLT-112
Nominal Speed rpm 3000 3000 3000 3000 3000 3000 3000 2500
Max Speed with no load rpm 6100 5100 5300 5700 3900 4100 3900 3200
Stall Torque Nm 0,39 0,7 0,8 1,9 2,7 3,4 2,9 4,7
Stall Current A 5,6 8,3 9,5 27 24,5 34 26,3 35
Peak Torque Nm 1,56 2,8 3,2 7,8 10,8 13,6 11,6 19
EMF constant (±5%) Vs/Rad 0,07 0,085 0,085 0,07 0,11 0,1 0,11 0,14
Torque constant (±5%) Nm/A 0,07 0,085 0,085 0,07 0,11 0,1 0,11 0,14
Winding Resistance (±5%) Ω 1,43 0,54 0,83 0,19 0,25 0,14 0,19 0,1
Winding Inductance (±5%) mH 1,8 0,73 0,61 0,2 0,25 0,17 0,27 0,19
Rotor Inertia Kgm210-3 0,011 0,017 0,026 0,05 0,074 0,08 0,2 0,38
Mechanical Time Constant ms 1,72 1,47 3,83 1,88 1,71 1,18 3,52 2,2
Electrical Time Constant ms 1,27 1,36 0,73 1,05 1 1,21 1,42 2
Thermal Time Constant s 540 1120 1100 1280 1561 1990 2520 1910
Thermal Resistance °C/W 2,01 2,34 1,05 0,73 0,59 0,58 0,67 0,73
Pole Pair   2 2 4 4 4 4 4 4
Insulation   F F F F F F F F
Protection   IP65 IP65 IP65 IP65 IP65 IP65 IP65 IP65
Weight without brake kg 1 1,4 1,5 1,9 2,3 2,8 4 5
Brake 24VDC (option) Nm 0,75 0,75 1,5 1,5 3 3 8 8
Weight with brake kg 1,2 1,55 1,7 2,1 2,6 3,1 4,8 5,8
Heat Sink Plate mm 300x300x10



Torque curves for 24VDC (red) and 48VDC (blue)











Standard version

  • Feedback : Magnetic Encoder RMC22
    (Hall + TTL 1024 pulses per rotation)
  • Shaft with keyway
  • IP65
  • Connectors
  • With or without brake

Options

  • Shaft without keyway
  • IP67
  • Straight connectors
  • Customised windings
  • Other executions according to customer's especifications



Mechanical dimensions




Diemnsions
[mm]		 ΦA ΦB ΦC ΦD E F G H K L (without brake) L (with brake)
BT053 40 j6 65-66,6 5,6-6,4 9 k6 20 A3x3x12 2,5 57 76,5 120 120
BT055 40 j6 65-66,6 5,6-6,4 9 k6 20 A3x3x12 2,5 57 76,5 140 170




Wymiary
[mm]		 ΦA ΦB ΦC ΦD E F G H K L (bez hamulca) L (z hamulcem)
BT071 60 j6 75 5,5 11 k6 23 A4x4x14 2,5 70 107 100 128
BT072 60 j6 75 5,5 11 k6 23 A4x4x14 2,5 70 107 120 148
BT073 60 j6 75 5,5 11 k6 23 A4x4x14 2,5 70 107 138 166
BT074 60 j6 75 5,5 11 k6 23 A4x4x14 2,5 70 107 156 184
BT111 95 j6 115 9 19 k6 40 A6x6x30 3 110 144 165 165
BT112 95 j6 115 9 19 k6 40 A6x6x30 3 110 144 190 190
Less
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