Servo Dynamics - Brush Servomotrs MT22

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Brushless Servomotors:

Brush Servomotors:

MT22 Series DC Brush Servomotors

MT series is a well-proven range of permanent magnet D.C. brushed servomotors which offers a performance range of 0.5 Nm (4.4 lb-in) to 37 Nm (324 lb-in). Electrical windings are available to suit both low and high voltage drives in order to give optimum current / speed characteristics. All MT motors are fitted with a high precision Tachogenerator as standard. The majority of the range is available with maximum enclosure protection rating up to IP 65.

Models:

Model	Technical data	Drawings
MT22	Continuous Stall Torque TENV, 0.5-1.2 Nm (4.4-10.6 lb-in)	Inches	Metrics

Technical Data:

Parameter	Unit	MT22 D2-19	MT22 D2-10	MT22 D2-5	MT22 G2-19	MT22 G2-10	MT22 G2-5	MT22 R2-24	MT22 R2-19	MT22 R2-12	MT22 R2-10
Voltage gradient no load	volts/krpm	19	10	5	19	10	5	24	19	12	10
Max.terminal voltage	volts	95	50	25	95	50	25	120	95	60	50
Max. Speed	RPM	5000	5000	5000	5000	5000	5000	5000	5000	5000	5000
Continuous stall torque TENV	Nm	0.5	0.5	0.5	0.7	0.7	0.7	1.2	1.2	1.2	1.2
Continuous stall torque TENV	Ib-in	4.4	4.4	4.4				10.6	10.6	10.6	10.6
Peak Stall Torque	Nm	2	2	2	4	4	4	8	8	8	8
Peak Stall Torque	lb-in	18	18	18	35.4	35.4	35.4	71	71	71	71
Continuous stall current rms	Amps	2.8	5	10	3.9	7	14	5.2	6.7	10.9	12
Rotor Polar Moment of Inertia	Kg.m²	0.00017	0.00017	0.00017	0.00028	0.00028	0.00028	0.0006	0.0006	0.0006	0.0006
Rotor Polar Moment of Inertia	lb-in Sec²	0.0015	0.0015	0.0015	0.0024	0.0024	0.0024	0.00531	0.00531	0.00531	0.00531
Voltage constant Kv	volts sec rad-1	0.18	0.1	0.05	0.18	0.1	0.05	0.23	0.18	0.11	0.1
Torque constant Kt (line-line)	Nm/Amp	0.18	0.1	0.44	0.18	0.1	0.44	0.23	0.18	0.11	0.1
Torque constant Kt (line-line)	lb-in/Amp	1.29	0.88	0.05	1.29	0.88	0.05	2.03	1.59	0.97	0.88
Armature resistance	Ohms	3.5	1.0	0.28	2.5	0.63	0.16	1.6	0.98	0.34	0.26
Armature inductance	Millihenrys	14.1	4.0	1.12	8.2	2.1	0.5	4.1	2.6	0.89	0.65
Mechanical time constant	Milliseconds	18	18	18	17	17	17	16	16	16	16
Thermal time constant	Minutes	25	25	25	25	25	25	25	25	25	25
Static friction torque	Nm	0.055	0.055	0.055	0.055	0.055	0.055	0.055	0.055	0.055	0.055
Static friction torque	Ib-in	0.486	0.486	0.486	0.486	0.486	0.486	0.486	0.486	0.486	0.486
Motor weight	Kg	2.7	2.7	2.7				5	5	5	5
Motor weight	lb	.9	5.9	5.9				11	11	11	11
Tachometer
Voltage gradient	volts/krpm	9.5	7	7	9.5	7	7	9.5	9.5	7	7
Ripple	%	1	1	1	1	1	1	1	1	1	1
Ripple	cycles/rev	33	33	33	33	33	33	33	33