Reference-class linear drive
Combines high precision, high forces, and high dynamics. Versions available for vacuum environments to 10-9 hPa.
High-quality components
Ball screw for smooth feed. Nonrotating tip for uniform motion prevents wobble, torque, and wear at the point of contact. Incl. flat and spherical tip for decoupling forces. Noncontact limit switches protect the mechanics. A direction-sensing reference switch supports automation applications. Position-controlled variants with differential encoder driver in the connector for safe signal transfer over distances up to 10 m.
Motor variants
Application fields
Research. Automation. Optical alignment.
| Motion | L-220.10DG | L-220.20DG | L-220.50DG | L-220.70DG | L-220.10SG | L-220.20SG | L-220.50SG | L-220.70SG | Tolerance |
|---|---|---|---|---|---|---|---|---|---|
| Active axes | X | X | X | X | X | X | X | X | |
| Travel range in X | 13 mm | 26 mm | 52 mm | 77 mm | 13 mm | 26 mm | 52 mm | 77 mm | |
| Maximum velocity in X, unloaded | 3.5 mm/s | 3.5 mm/s | 3.5 mm/s | 3.5 mm/s | 0.8 mm/s | 0.8 mm/s | 0.8 mm/s | 0.8 mm/s | |
| Positioning | L-220.10DG | L-220.20DG | L-220.50DG | L-220.70DG | L-220.10SG | L-220.20SG | L-220.50SG | L-220.70SG | Tolerance |
| Minimum incremental motion in X | 0.1 µm | 0.1 µm | 0.1 µm | 0.1 µm | 0.1 µm | 0.1 µm | 0.1 µm | 0.1 µm | typ. |
| Unidirectional repeatability in X | ± 0.25 µm | ± 0.25 µm | ± 0.25 µm | ± 0.25 µm | ± 0.25 µm | ± 0.25 µm | ± 0.25 µm | ± 0.25 µm | typ. |
| Bidirectional repeatability in X | 2 µm | 2 µm | 2 µm | 2 µm | 2 µm | 2 µm | 2 µm | 2 µm | typ. |
| Reference switch | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | |
| Limit switches | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | Hall effect, N/C contact, 5 V, NPN | |
| Motor encoder | Incremental rotary encoder | Incremental rotary encoder | Incremental rotary encoder | Incremental rotary encoder | — | — | — | — | |
| Motor encoder: Sensor signal | A/B quadrature, RS-422 | A/B quadrature, RS-422 | A/B quadrature, RS-422 | A/B quadrature, RS-422 | — | — | — | — | |
| Resolution, motor encoder | 512 Cts./rev. | 512 Cts./rev. | 512 Cts./rev. | 512 Cts./rev. | — | — | — | — | |
| Drive Properties | L-220.10DG | L-220.20DG | L-220.50DG | L-220.70DG | L-220.10SG | L-220.20SG | L-220.50SG | L-220.70SG | Tolerance |
| Drive type | DC gear motor | DC gear motor | DC gear motor | DC gear motor | 2-phase stepper motor with gearhead | 2-phase stepper motor with gearhead | 2-phase stepper motor with gearhead | 2-phase stepper motor with gearhead | |
| Nominal voltage | 12 V | 12 V | 12 V | 12 V | 3.5 V | 3.5 V | 3.5 V | 3.5 V | |
| Nominal current, RMS | 0.28 A | 0.28 A | 0.28 A | 0.28 A | 0.25 A | 0.25 A | 0.25 A | 0.25 A | typ. |
| Peak current, RMS | 0.56 A | 0.56 A | 0.56 A | 0.56 A | — | — | — | — | typ. |
| Maximum power consumption | 4 W | 4 W | 4 W | 4 W | — | — | — | — | |
| Motor resolution | — | — | — | — | 24 Full steps/rev. | 24 Full steps/rev. | 24 Full steps/rev. | 24 Full steps/rev. | |
| Drive force in positive direction of motion in X | 125 N | 125 N | 125 N | 125 N | 125 N | 125 N | 125 N | 125 N | typ. |
| Drive force in negative direction of motion in X | 125 N | 125 N | 125 N | 125 N | 125 N | 125 N | 125 N | 125 N | typ. |
| Torque constant | 0.0115 N·m/A | 0.0115 N·m/A | 0.0115 N·m/A | 0.0115 N·m/A | — | — | — | — | typ. |
| Resistance phase-phase | 19.8 Ω | 19.8 Ω | 19.8 Ω | 19.8 Ω | 12.5 Ω | 12.5 Ω | 12.5 Ω | 12.5 Ω | typ. |
| Inductance phase-phase | 0.42 mH | 0.42 mH | 0.42 mH | 0.42 mH | 6.3 mH | 6.3 mH | 6.3 mH | 6.3 mH | |
| Back EMF, phase-phase, rotational | 1.21 V/kRPM | 1.21 V/kRPM | 1.21 V/kRPM | 1.21 V/kRPM | 11 V/kRPM | 11 V/kRPM | 11 V/kRPM | 11 V/kRPM | max. |
| Number of pole pairs | 1 | 1 | 1 | 1 | — | — | — | — | |
| Mechanical Properties | L-220.10DG | L-220.20DG | L-220.50DG | L-220.70DG | L-220.10SG | L-220.20SG | L-220.50SG | L-220.70SG | Tolerance |
| Permissible push force in Y | 1 N | 1 N | 1 N | 1 N | 1 N | 1 N | 1 N | 1 N | max. |
| Holding force in X, passive | — | — | — | — | 125 N | 125 N | 125 N | 125 N | |
| Moved mass in X, unloaded | 20 g | 20 g | 25 g | 30 g | 20 g | 20 g | 25 g | 30 g | |
| Drive screw type | Ball screw | Ball screw | Ball screw | Ball screw | Ball screw | Ball screw | Ball screw | Ball screw | |
| Drive screw pitch | 1 mm | 1 mm | 1 mm | 1 mm | 1 mm | 1 mm | 1 mm | 1 mm | |
| Gear ratio i | 12493 : 567 | 12493 : 567 | 12493 : 567 | 12493 : 567 | 387283 : 5103 | 387283 : 5103 | 387283 : 5103 | 387283 : 5103 | |
| Overall mass | 210 g | 230 g | 260 g | 290 g | 230 g | 250 g | 280 g | 320 g | |
| Material | Stainless steel, bronze | Stainless steel, bronze | Stainless steel, bronze | Stainless steel, bronze | Stainless steel, bronze | Stainless steel, bronze | Stainless steel, bronze | Stainless steel, bronze | |
| Miscellaneous | L-220.10DG | L-220.20DG | L-220.50DG | L-220.70DG | L-220.10SG | L-220.20SG | L-220.50SG | L-220.70SG | Tolerance |
| Operating temperature range | 5 to 40 °C | 5 to 40 °C | 5 to 40 °C | 5 to 40 °C | 5 to 40 °C | 5 to 40 °C | 5 to 40 °C | 5 to 40 °C | |
| Connector | HD D-sub 26 (m) | HD D-sub 26 (m) | HD D-sub 26 (m) | HD D-sub 26 (m) | HD D-sub 26 (m) | HD D-sub 26 (m) | HD D-sub 26 (m) | HD D-sub 26 (m) | |
| Cable length | 0.5 m | 0.5 m | 0.5 m | 0.5 m | 0.5 m | 0.5 m | 0.5 m | 0.5 m | |
| Recommended controllers / drivers | C-863 C-885 with C-863.20C885 C-884 ACS modular controller | C-863 C-885 with C-863.20C885 C-884 ACS modular controller | C-863 C-885 with C-863.20C885 C-884 ACS modular controller | C-863 C-885 with C-863.20C885 C-884 ACS modular controller | C-663.12 C-885 with C-663.12C885 ACS modular controller | C-663.12 C-885 with C-663.12C885 ACS modular controller | C-663.12 C-885 with C-663.12C885 ACS modular controller | C-663.12 C-885 with C-663.12C885 ACS modular controller |
At PI, technical data is specified at 22 ±3 °C. Unless otherwise stated, the values are for unloaded conditions. Some properties are interdependent. The designation "typ." indicates a statistical average for a property; it does not indicate a guaranteed value for every product supplied. During the final inspection of a product, only selected properties are analyzed, not all. Please note that some product characteristics may deteriorate with increasing operating time.
L-220 High-Resolution Linear Actuator
Ask for a free quote on quantities required, prices, and lead times or describe your desired modification.
High-resolution linear actuator, DC gear motor, 13 mm travel range, 125 N feed force; 3.5 mm/s maximum velocity; ball screw; incremental rotary encoder, 512 counts/rev. resolution, A/B quadrature, RS-422; limit switch: Hall effect, N/C contact, 5 V, NPN; 0.5 m cable length
High-resolution linear actuator, DC gear motor, 26 mm travel range, 125 N feed force; 3.5 mm/s maximum velocity; ball screw; incremental rotary encoder, 512 counts/rev. resolution, A/B quadrature, RS-422; limit switch: Hall effect, N/C contact, 5 V, NPN; 0.5 m cable length
High-resolution linear actuator, DC gear motor, 52 mm travel range, 125 N feed force; 3.5 mm/s maximum velocity; ball screw; incremental rotary encoder, 512 counts/rev. resolution, A/B quadrature, RS-422; limit switch: Hall effect, N/C contact, 5 V, NPN; 0.5 m cable length
High-resolution linear actuator, DC gear motor, 77 mm travel range, 125 N feed force; 3.5 mm/s maximum velocity; ball screw; incremental rotary encoder, 512 counts/rev. resolution, A/B quadrature, RS-422; limit switch: Hall effect, N/C contact, 5 V, NPN; 0.5 m cable length
High-resolution linear actuator; 2-phase stepper motor with gearhead; 13 mm travel range; 125 N feed force; 0.8 mm/s maximum velocity; ball screw; limit switch: Hall effect, N/C contact, 5 V, NPN; 0.5 cable length
High-resolution linear actuator; 2-phase stepper motor with gearhead; 26 mm travel range; 125 N feed force; 0.8 mm/s maximum velocity; ball screw; limit switch: Hall effect, N/C contact, 5 V, NPN; 0.5 cable length
High-resolution linear actuator; 2-phase stepper motor with gearhead; 52 mm travel range; 125 N feed force; 0.8 mm/s maximum velocity; ball screw; limit switch: Hall effect, N/C contact, 5 V, NPN; 0.5 cable length
High-resolution linear actuator; 2-phase stepper motor with gearhead; 77 mm travel range; 125 N feed force; 0.8 mm/s maximum velocity; ball screw; limit switch: Hall effect, N/C contact, 5 V, NPN; 0.5 m cable length
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