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High-Speed Direct-Drive Linear Stage
The MP-DDS-12-4-0.5 is a high-performance direct-drive linear stage that employs moving-coil voice-coil motor technology for direct drive, and integrates a high-precision linear analogue encoder and a motion controller to achieve high speed, high acceleration, and high-precision positioning control. The stage uses crossed-roller bearings for guidance, offering excellent motion smoothness, rigidity, and repeatability. It is suitable for high-speed scanning, precision inspection, optical alignment, semiconductor manufacturing, and other applications. The built-in controller allows motion control via an RS-232 interface without the need for an external driver, enabling rapid integration into automated equipment and precision motion systems.
Product features:12 mm precision motion travel;Unidirectional positioning accuracy of 4 μm;Repeatability < 0.5 μm;Moving‑coil voice‑coil motor direct drive;Built‑in high‑performance motion controller;Integrated linear analogue encoder
Part Number:MP-DDS-12-4-0.5
Application area:High-speed optical scanning | Laser processing and laser focusing | Semiconductor wafer inspection | Precision optical positioning | Automated microscope scanning | Research and experimental platforms | Nanopositioning and precision motion control
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Unidirectional Positioning Accuracy Repeatability
4μm < 0.5 µm

Parameter | Specification |
Accuracy (unidirectional) | 4 µm |
Axes of motion | 1 |
Built‑in controller | Yes |
CE compliant | Yes |
Communication interface | RS-232 |
Communication protocol | Zaber ASCII (default) |
Data cable connection | Locking 4-pin M8 |
Digital inputs | 1 |
Digital outputs | 2 |
Encoder count resolution | 1 nm |
Encoder type | Linear analogue encoder |
Force constant | 12.6 N/A |
Guide type | Crossed-roller bearing |
Horizontal runout | < 5 µm |
LED indicators | Yes |
Limit or home sensing | Optical index mark |
Manual control | Yes |
Maximum acceleration | 245 m/s² |
Maximum centred load | 100 N |
Maximum continuous thrust | 12 N |
Maximum current draw | 1000 mA |
Maximum speed | 1400 mm/s |
Mechanical drive system | Moving-coil direct drive |
Minimum incremental move | 200 nm |
Minimum speed | 0.61 nm/s |
Motor type | Voice-coil linear actuator |
Mounting interface | M6 and M3 threaded holes |
Moving mass | 0.095 kg |
Operating temperature range | 0 to 50 °C |
Peak thrust | 26 N |
Pitch | 0.01° |
Power plug | 2-pin screw terminal |
Power supply | 24 – 48 VDC |
Repeatability | < 0.5 µm |
Roll | 0.01° |
Speed resolution | 0.61 nm/s |
Stiffness in pitch | 50 N·m/° |
Stiffness in roll | 70 N·m/° |
Stiffness in yaw | 85 N·m/° |
Travel range | 12 mm |
Typical velocity stability | ± 4.7 % at 10 mm/s with a 0.38 kg payload |
Vacuum compatible | No |
Vertical runout | < 6 µm |
Weight | 0.8 kg |
Yaw | 0.01° |
Unidirectional positioning error curve

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