BALL SCREW ACTUATORS > NEMA 8
Hybrid Stepper Motor
Ball Screw Actuators
NEMA 8 (20MM)
Introducing our Nema 8 ball screw stepper linear actuators, designed for precision and efficiency in small-scale applications. Ideal for tasks requiring precise linear motion in compact spaces, such as 3D printing, robotics, and medical devices. With their high torque output and precise control, these actuators offer reliable performance in demanding environments, ensuring smooth and accurate movement for your projects.
| Motor | Voltage (V) | Current (A) | Resistance (Ω) | Inductance (mH) | Lead Wire No. | Motor Length (mm) |
|---|---|---|---|---|---|---|
| 8E2004 | 3.5 | 0.4 | 8.8 | 2.8 | 4 | 20 |
| 8E2105 | 2.55 | 0.5 | 5.1 | 1.5 | 4 | 27.2 |
| 8E2205 | 4.4 | 0.5 | 8.8 | 2.7 | 4 | 38.1 |
| Thread Direction | Right | |||||
|---|---|---|---|---|---|---|
| Shaft, Nut Material | SCM415H | |||||
| Surface Hardness | HRC58-62 | |||||
| Anti-Rust Treatment | Anti-rust Oil | |||||
| Ball Screw Type | Ball Screw DIA | Screw Lead | Ball Size | Number of Thread | Shaft Root Diameter | Number of Circuit |
| 0401 | 4mm | 1mm/rev | ∅0.8 | 1 | ∅3.3 | 3.7x1 |
| 0402 | 4mm | 2mm/rev | ∅0.8 | 1 | ∅3.3 | 2.7x1 |
| Nut Size | A | B | C | D | H | W | X | Grade | Position Accuracy | Total Run Out | Axial Play | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0401 | 23 | 4 | 17 | 11 | 15 | 17 | 3.4 | C7 | ±0.05 | 0.12 | 0.02 | 560 | 790 |
| 0402 | 23 | 4 | 19 | 11 | 15 | 17 | 3.4 | C7 | ±0.05 | 0.12 | 0.02 | 420 | 570 |
All speed / thrust curves below are generated using 8:1 microstepping setting on driver
Part Number Construction
Please choose the right part number by following the guidelines below.
| Part Number Component | Description | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Motor Size |
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| 2. Motor Type | E = External Linear | ||||||||||||||
| 3. Step Angle |
2 = 2 Phase with 1.8° 4 = 2 Phase with 0.9° |
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| 4. Motor Length | 1 = Single Stack 2 = Double Stack 3 = Triple Stack |
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| 5. Rated Current / Phase | XX = X.X [A]/Phase | ||||||||||||||
| 6. Ball Screw Code | Refer to ball screw code selection table. | ||||||||||||||
| 7. Lead Wires | 4 = 4 Flying Leads 6 = 6 Flying Leads |
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| 8. Ball Screw Length | XXX = XXX mm Ball Screw Length | ||||||||||||||
| 9. Thread Direction | R = Right | ||||||||||||||
| 10. Ball Screw End Machining | M = Metric, U = UNC, S = Smooth, C = Customize | ||||||||||||||
| 11. Option | EKX = Encoder (X = Encoder Resolution) P = Manual Knob B = Brake X = Rear Shaft R = Encoder Ready [Hole and Shaft] – Please provide encoder ready requirements to DINGS’ C = Customize [Please provide customization requirements to DINGS’] N = No Processing at the rear end |
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| Example | Part Number: 17E2110B24-100RSEK2L NEMA17 Ball screw linear actuator with 2 Phase, 1.8° step angle, Single Stack, 1.0A/Phase, Ball screw lead 2mm, 4 Flying leads, 100mm length, Right thread direction, Smooth screw end, Encoder with 1,000CPR. |