MDrive23 Microstepping Datasheet REV121704 3
200
225
175
150
125
100
75
50
25
0
141
159
124
106
88
71
53
35
18
0 1000 2000 3000 4000 5000 6000 7000
Speed in Full Steps per Second
Torque in Oz - In
Torque in N - cm
24 VDC
45 VDC
75 VDC
140
120
100
80
60
40
20
0
99
85
71
56
42
28
14
0 1000 2000 3000 4000 5000 6000 7000
S
eed in Full Ste
s
er Second
Torque in Oz - In
orque
n
- cm
24 VDC
45 VDC
75 VDC
70
60
50
40
30
20
10
0
49
42
35
28
21
14
7
0 1000 2000 3000 4000 5000 6000 7000
Speed in Full Steps per Second
Torque in Oz - In
Torque in N - cm
24 VDC
45 VDC
75 VDC
MDRIVE23 MOTOR SPECIFICATIONS
MD2218 Single Stack
Holding Torque ........................ 90 oz-in / 64 N-cm
Detent Torque....................... 3.9 oz-in / 2.7 N-cm
Rotor Inertia ........ 0.0025 oz-in-sec
2
/ 0.18 kg-cm
2
Weight (Motor+Driver)...............20.1 oz / 569.8 g
MD2222 Double Stack
Holding Torque .................... 144 oz-in / 102 N-cm
Detent Torque..................... 5.6 oz-in / 3.92 N-cm
Rotor Inertia ........ 0.0037 oz-in-sec
2
/ 0.26 kg-cm
2
Weight (Motor+Driver)...............24.4 oz / 691.7 g
MD2231 Triple Stack
Holding Torque .....................239 oz-in / 169 N-cm
Detent Torque......................9.7 oz-in / 6.86 N-cm
Rotor Inertia ..........0.0065 oz-in-sec
2
/ 0.46 kg-cm
2
Weight (Motor+Driver)............. 38.5 oz / 1091.5 g
MD2218 Linear Actuator
Maximum Thrust .........................200 lbs / 890 N
Maximum Screw Defl ection ............................. ± 1°
Backlash ............................ 0.005 in / 0.127 mm
Weight (without screw).............. 20.4 oz / 578.3 g
TORQUE-SPEED CURVES
Rotary Motor
MD2218 Single Stack
MD2222 Double Stack
MD2231 Triple Stack
FORCE-SPEED CURVES
Linear Actuator
24 VDC
45 VDC
75 VDC
160
180
200
140
120
100
80
60
40
20
0
712
890
623
801
534
445
356
267
178
89
0 1000 2000 3000 4000 5000 6000 7000
Speed in Full Steps per Second
Force in lbs
Force in N
w D
Scre E
w C
w B
w A
Screw F
Scre
w
Scre
Scre
Scre
Load Limit 200lbs / 890N
160
180
200
140
120
100
80
60
40
20
0
712
890
623
801
534
445
356
267
178
89
0 1000 2000 3000 4000 5000 6000 7000
Speed in Full Steps per Second
Force in lbs
Force in N
Screw F
Screw D
Screw E
Screw C
Screw B
Screw A
Load Limit 200lbs / 890N
160
180
200
140
120
100
80
60
40
20
0
712
890
623
801
534
445
356
267
178
89
0 1000 2000 3000 4000 5000 6000 7000
Speed in Full Steps per Second
Force in lbs
Force in N
Screw D
Screw E
Screw C
Screw B
Screw A
Screw F
Load Limit 200lbs / 890N
