Precision pin DLM / L·R DLM

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Overview
Based on DINGS' platform products, high precision of lead screw linear actuator and self-developed simple linear module, DLM and LR-DLM 35mm series are compact and reliable linear solution structures.
DLM and LR-DLM 20mm series offer good precision, a high diversity of optional strokes, and lead-based customization. These linear modules can provide customers with integrated, customized solutions.

Motor Characteristics
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
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

• Note: Lead code G is only available for LR-DLM 20mm

Mechanical Specifications
Model | C100B (dyn)(N) | Co (stat)(N) | Mro (Nm) | Mpo (Nm) | Myo (Nm)
DLM / L'R DLM20 | 714 | 1071 | 3.794 | 2.219 | 2.219

Dimensional Drawings (images referenced)
Provided dimensional images and external actuator images for Size 20mm DLM and Size 20mm L·R DLM (illustrations showing external actuator and dimension drawings).

Available Stroke Selection — DLM / L·R DLM
(Table 1)
Size A (mm) | Stroke B (mm) | Weight (kg) Single stack | Weight (kg) Double stack
60 | 20 | 0.124 | 0.147
80 | 40 | 0.134 | 0.157
100 | 60 | 0.144 | 0.167
120 | 80 | 0.155 | 0.177
140 | 100 | 0.166 | 0.189
190 | 150 | 0.192 | 0.215
240 | 200 | 0.217 | 0.24

(Table 2 — Stroke vs Total Length / Weight)
Stroke (mm) | Single stack Total Length (mm) | Single stack Weight (kg) | Double stack Total Length (mm) | Double stack Weight (kg)
20 | 161.2 | 0.154 | 172.1 | 0.177
40 | 201.2 | 0.174 | 212.1 | 0.197
60 | 241.2 | 0.194 | 252.1 | 0.217
80 | 281.2 | 0.214 | 292.1 | 0.237
100 | 321.2 | 0.234 | 332.1 | 0.257
150 | 421.2 | 0.284 | 432.1 | 0.307
200 | 521.2 | 0.334 | 532.1 | 0.357

Speed Thrust Curves
Speed-thrust curve images provided for Single Stack and Double Stack configurations (tested condition: Testing Voltage 24Vdc, Driver Model DS-OLS2-FPD bipolar, chopper driver at rated current (rms). Motor thrust varies with voltage and driver; 50% thrust margin recommended).

Caractéristiques / Spécifications techniques

• Commercial family: DLM / L·R DLM
• Nominal size: 20 mm
• Motor options (examples): 8E2105 (2.5 V, 0.5 A rms, R=5.1 Ω, L=1.5 mH, length 27.2 mm, 4 lead wires); 8E2205 (4.4 V, 0.5 A rms, R=8.8 Ω, L=2.7 mH, length 38.1 mm, 4 lead wires)
• Mechanical thrust (C100B dyn): 714 N; Co (stat): 1071 N
• Torques: Mro = 3.794 Nm; Mpo = 2.219 Nm; Myo = 2.219 Nm
• Available lead screw diameters and leads: multiple options from lead codes AF, AA, AB, B, G (LR-DLM only), J, M, T with lead values from 0.3 mm up to 8 mm
• Travel per full step (1.8°) examples: AF: 0.0015 mm; AA: 0.003048 mm; AB: 0.005 mm; B: 0.006096 mm; G: 0.01 mm; J: 0.012192 mm; M: 0.02 mm; T: 0.04 mm
• Available strokes (single/double stack) and weights: see Stroke tables above (sizes 20–240 mm with corresponding weights 0.124–0.217 kg single stack)
• Typical test condition for speed-thrust curves: 24 Vdc with DS-OLS2-FPD bipolar chopper driver; thrust varies with voltage/driver (50% margin recommended)