NEMA 8 DSM 20 MM Slide Actuator
The NEMA 8 DSM Series slide actuator is a compact 20 mm linear module that combines a stepper motor, lead screw, and guided slide into one ready-to-integrate motion solution.
Designed for small OEM systems, the DSM 20 mm series offers flexible lead screw options, multiple stroke selections, and a compact structure for precise linear motion.
Motor Characteristics
Swipe left or right to view the full table.
| Motor | Voltage [V] |
Current [A RMS] |
Resistance [Ω] |
Inductance [mH] |
Motor Length [mm] |
Lead Wire No. |
|---|---|---|---|---|---|---|
| 8E2105 | 2.5 | 0.5 | 5.1 | 1.5 | 27.2 | 4 |
| 8E2205 | 4.4 | 0.5 | 8.8 | 2.7 | 38.1 | 4 |
Available Lead Screw and Travel Per Step
Swipe left or right to view the full table.
| Screw Dia. [inch] |
Screw Dia. [mm] |
Lead [inch] |
Lead [mm] |
Lead Code | Travel Per Step @ 1.8° [mm] |
|---|---|---|---|---|---|
| 0.138 | 3.5 | 0.0118 | 0.3 | AF | 0.0015 |
| 0.138 | 3.5 | 0.024 | 0.6096 | AA | 0.003048 |
| 0.128 | 3.24 | 0.0394 | 1 | AB | 0.005 |
| 0.138 | 3.5 | 0.048 | 1.2192 | B | 0.006096 |
| 0.138 | 3.5 | 0.0787 | 2 | G | 0.01 |
| 0.138 | 3.5 | 0.096 | 2.4384 | J | 0.012192 |
| 0.138 | 3.5 | 0.1575 | 4 | M | 0.02 |
| 0.138 | 3.5 | 0.315 | 8 | T | 0.04 |
Mechanical Specifications
Swipe left or right to view the full table.
| Model | C100B Dynamic [N] |
Co Static [N] |
Mro [Nm] |
Mpo [Nm] |
Myo [Nm] |
|---|---|---|---|---|---|
| DSM20 | 1379 | 1820 | 8.288 | 5.733 | 5.733 |
Dimensional Drawing
Available Stroke Selection
Swipe left or right to view the full table.
| Size A [mm] |
Stroke B [mm] |
Single Stack Weight [kg] |
Double Stack Weight [kg] |
|---|---|---|---|
| 74 | 20 | 0.128 | 0.151 |
| 94 | 40 | 0.136 | 0.159 |
| 114 | 60 | 0.143 | 0.166 |
| 134 | 80 | 0.151 | 0.174 |
| 154 | 100 | 0.158 | 0.181 |
Downloads
Customization Options
Stroke Length
Configure the stroke length around your application’s travel, envelope, and mounting requirements.
Lead Screw Selection
Select from available lead codes to balance resolution, speed, and thrust requirements.
Wiring & Connectors
Custom wire length, connector style, and cable routing can be reviewed for OEM integration.
Application Review
Work with DINGS’ Motion USA to review load, speed, duty cycle, and packaging needs.
Part Number Builder
Use this DSM part number construction guide to identify the product name, stroke, motor size, motor type, step angle, motor length, rated current, lead screw code, lead wires, option, and serial number.
DSM Series Module.
Stroke length in millimeters. Example: 100 = 100 mm.
Motor size by NEMA frame. DSM sizes include 6, 8, 11, 14, and 17.
- E = External Type
- N = Non-Captive Type
- 2 = 2-phase, 1.8° step angle
- 4 = 2-phase, 0.9° step angle
- 1 = Single Stack
- 2 = Double Stack
XX = X.X [A] / Phase. Example: 05 = 0.5 A / Phase.
Lead screw code. Confirm final lead selection from the lead screw code selection table.
- 4 = 4-wire leads
- 6 = 6-wire leads
- EKX = Encoder [X = Encoder Resolution]
- P = Manual Knob
- B = Brake
- X = Rear Shaft
- R = Encoder Ready
- C = Customization
- N = No rear-end machining
Serial or special configuration number.
DSM100-8E2105S4-EK7D-001 identifies a DSM module with 100 mm stroke, NEMA 8 motor, external type, 1.8° step angle, single stack, 0.5 A/phase, S lead, 4-wire leads, EK7D option, and serial number 001.
Need help selecting a DSM slide actuator?
Work with DINGS’ Motion USA to compare lead screw options, stroke length, Quick Ship availability, or a custom DSM slide actuator configuration for your application.