Electric actuator 17-2 series

linearstepperlead screw

Overview
Size 17 (42 mm) stepper lead screw linear actuator is designed for precision linear motion in industrial applications. Configurations include External, Non‑Captive, Captive (Electrical Cylinder) and Kaptive. Depending on configuration and lead selection the actuator provides up to 330 N of continuous thrust.

Motor Characteristics
Motor | Voltage [V] | Current [A] [RMS] | Resistance [Ω] | Inductance [mH] | Weight [g] | Lead Wire No. | Motor Length [mm]
17-2105 | 7.2 | 0.5 | 14.4 | 19.8 | 254 | 4 | 34.1
17-2110 | 3.8 | 1 | 3.8 | 5 | 254 | 4 | 34.1
17-2115 | 2.85 | 1.5 | 1.9 | 2.2 | 254 | 4 | 34.1
17-2205 | 11 | 0.5 | 22 | 46 | 386 | 4 | 48.1
17-2212 | 4.5 | 1.2 | 3.8 | 8 | 386 | 4 | 48.1
17-2225 | 2.2 | 2.5 | 1 | 1.8 | 386 | 4 | 48.1

Note
Motor insulation class: B. Motor temperature rise: 80°C. Ambient operating temperature: -20°C ~ 55°C.

Available Lead Screw and Travel per Step
Screw Dia. [inch] | Screw Dia. [mm] | Lead [inch] | Lead [mm] | Lead Code | Travel Per Step @ 1.8° [mm]* | Travel Per Step @ 0.9° [mm]*
0.25 | 6.35 | 0.024 | 0.6096 | AA | 0.003 | 0.0015
0.25 | 6.35 | 0.025 | 0.635 | A | 0.0032 | 0.0016
0.25 | 6.35 | 0.048 | 1.2192 | B | 0.0061 | 0.003
0.25 | 6.35 | 0.05 | 1.27 | D | 0.0064 | 0.0032
0.25 | 6.35 | 0.0625 | 1.5875 | F | 0.0079 | 0.004
0.25 | 6.35 | 0.096 | 2.4384 | J | 0.0122 | 0.0061
0.25 | 6.35 | 0.1 | 2.54 | K | 0.0127 | 0.0064
0.25 | 6.35 | 0.125 | 3.175 | L | 0.0159 | 0.0079
0.25 | 6.35 | 0.192 | 4.8768 | Q | 0.0244 | 0.0122
0.25 | 6.35 | 0.2 | 5.08 | R | 0.0254 | 0.0127
0.25 | 6.35 | 0.25 | 6.35 | S | 0.0318 | 0.0159
0.25 | 6.35 | 0.3333 | 8.4667 | U | 0.0423 | 0.0212
0.25 | 6.35 | 0.384 | 9.7536 | W | 0.0488 | 0.0244
0.25 | 6.35 | 0.5 | 12.7 | Y | 0.0635 | 0.0318
0.25 | 6.35 | 1 | 25.4 | Z | 0.127 | 0.0635
0.236 / 0.25 / 0.315 | 6 / 6.35 / 8 | 0.0394 | 1 | AB | 0.005 | 0.0025
0.25 / 0.315 | 6.35 / 8 | 0.0787 | 2 | G | 0.01 | 0.005
0.315 | 8 | 0.1575 | 4 | M | 0.02 | 0.01
0.315 | 8 | 0.315 | 8 | T | 0.04 | 0.02
0.236 / 0.315 | 6 / 8 | 0.1969 | 5 | E | 0.025 | 0.0125
0.315 | 8 | 0.3937 | 10 | C | 0.05 | 0.025
0.25 | 6.35 | 0.0313 | 0.794 | N | 0.004 | 0.002

Product Notes

• Motor wiring and screw lead can be customized on request.
• 9.525 mm diameter screw can be applied in External type.
• Values in tables may be truncated for display.

* These three leads cannot be applied in the structure of NEMA 17 Non‑Captive and Kaptive. Anti‑backlash nuts are available for NEMA 17.

Dimensional Drawings & Stroke Specifications (by form factor)
Form factors available: External, Non‑Captive, Captive (Electrical Cylinder), Kaptive.

External — Stroke Specification
Size A (mm) | Stroke B (mm) | Size L (mm) Single Stack = 34.1 | Double Stack = 48.1
35.70 | 12.70 | Single Stack 34.1 / Double Stack 48.1
42.05 | 19.05
48.40 | 25.40
54.80 | 31.80
61.10 | 38.10
73.80 | 50.80
86.50 | 63.50

Kaptive — Stroke Specification
Size A (mm) | Stroke B (mm) | Size C (mm) Single Stack L=34.1 | Double Stack L=48.1
18.5 | 12.7 | 3.6 / 0
24.85 | 19.05 | 9.95 / 4.95
31.2 | 25.4 | 16.3 / 11.3
37.55 | 31.75 | 22.65 / 17.65
43.9 | 38.1 | 29 / 24
56.6 | 50.8 | 41.7 / 36.7
69.3 | 63.5 | 54.4 / 49.4

Speed‑Thrust Curves
Speed‑thrust performance is provided for Single Stack and Double Stack configurations; graphs show thrust vs speed for each configuration.

Options
Screw End Machining
Custom screw end machining available.

Teflon Coating
If applications require greaseless screw and nut combinations, DINGS offers Teflon‑coated lead screws across the full product range and all actuator types (External, Non‑Captive, Electric Cylinder and Kaptive). Teflon coating improves life cycle and thrust performance compared with conventional SUS lead screws. Anti‑backlash nuts can be combined with Teflon‑coated screws.

External Anti‑Backlash Nut
External anti‑backlash nut option available; nut length may vary with screw lead code selection.

Non‑Captive Anti‑Backlash Nut
Non‑captive anti‑backlash nut option available.

Encoder Options
EK1 Encoder — Resolution / Output
Resolution (CPR): 100, 108, 120, 125, 128, 200, 250, 256, 300, 360, 400, 500, 1000, 512, 720, 800
Single‑ended output codes: 0–15
Differential output codes: A–P

EK2 Encoder — Resolution / Output
Resolution (CPR): 50, 100, 192, 200, 250, 256, 360, 400, 500, 720, 900, 1000, 1250, 2000, 2500, 4000, 5000
Single‑ended output codes: 0–12
Differential output codes: A–Q

* EK1 encoder is available only for NEMA 17 (42 mm) External and Captive actuators.

Power‑Off Brake (Available for Size 17 Motor)
Rated voltage: DC 24V ±5%
Resistance: 145Ω ±10%
Power: 5W
Hold torque: >0.8 N·m
Insulation: Class B
Insulation resistance: >100 MΩ (DC 500V)
Dielectric strength: AC 1000V for 1 sec
Retraction time: 50 ms
Release time: 50 ms
Gyration gap: 1°
Emergency brake cycles: 200 cycles
Lifetime: 500,000 cycles
Noise level: <60 dB

Technical Specifications

• Model family: Size 17 (42 mm).
• Continuous thrust: up to 330 N.
• Form factors: External, Non‑Captive, Captive (Electrical Cylinder), Kaptive.
• Available screw diameters and leads: multiple (lead codes AA, A, B, D, F, J, K, L, Q, R, S, U, W, Y, Z, AB, G, M, T, E, C, N etc.).
• Motor options (examples): 17‑2105, 17‑2110, 17‑2115, 17‑2205, 17‑2212, 17‑2225 (see motor table above).
• Motor insulation class: B; temperature rise 80°C; ambient operating temperature: -20°C ~ 55°C.
• Stroke options: multiple stroke lengths per form factor (see stroke specification tables).
• Encoder options: EK1 and EK2 series (multiple CPR and output codes); EK1 limited to NEMA 17 External and Captive.
• Optional features: Teflon‑coated lead screws, anti‑backlash nuts (external and non‑captive), custom screw end machining, power‑off brake.