The LRA series linear rotary actuator from Jodell are compact and thin in design with precise linear motion and flexible pick and place with soft landing function, which are widely used in chip mounting, camera module assembly, lithium battery thickness measurement, touch panel inspection, keyboard and switch testing and other applicatio scenarios with high precision requirements.
1. Technology Leadership
- Dual-Servo Direct Drive: 600N thrust + 8Nm torque in one compact unit
- Zero-Backlash Transmission: Cross roller bearing + preloaded ball screw
2. Smart Features
- AI-Based Error Compensation: Auto-couples linear/rotary errors
- Tool-Free Changeover: Switch end-effectors in ≤15 seconds
3. Industry 4.0 Ready
Digital Shadow: Live synchronization with Siemens Digital Twin
OPC UA over TSN: For deterministic motion control
| model | LRA15-20 | LRA25-20 | LRA25-20V | LRA30-23 | LRA40-23 | LRA60-25 |
| Z-axis – adjustable stroke | 15mm | 25mm | 25mm | 30mm | 40mm | 60mm |
| Z-axis – continuous thrust | 12N | 12N | 9.5N | 10N | 10N | 10N |
| Z-axis – peak thrust | 39.6N | 39.6N | 20.9N | 35N | 35N | 35N |
| Z-axis force constant | 7.5N/A | 7.5N/A | 6.1N/A | 10N/A | 10N/A | 10N/A |
| Z-axis – continuous current | 1.6A | 1.6A | 1.55A | 1A | 1A | 1A |
| Z-axis – peak current | 5.3A | 5.3A | 3.4A | 3.5A | 3.1A | 3.5A |
| Z-axis – Linear encoder resolution | 0.2μm | 0.2μm | 0.2μm | 0.2μm | 0.2μm | 0.2μm |
| Z-axis position repeat positioning accuracy | ±2um | ±2um | ±2um | ±2um | ±2um | ±2um |
| Force control accuracy (20-50g) | ±3g | ±3g | ±3g | ±3g | ±3g | ±3g |
| Force control accuracy (50-300g) | ±10g | ±10g | ±10g | ±10g | ±10g | ±10g |
| R-axis – rotation angle | ±360° | ±360° | ±360° | ±360° | ±360° | ±360° |
| R-axis – resolution of rotary encoder | 131072 line | 131072 line | 131072 line | 131072 line | 131072 line | 131072 line |
| R-axis – rotational positioning accuracy | ±0.01° | ±0.01° | ±0.01° | ±0.01° | ±0.01° | ±0.01° |
| R-axis – rated torque | 0.01N·m | 0.01N·m | 0.01N·m | 0.01N·m | 0.01N·m | 0.01N·m |
| R-axis – peak torque | 0.043N·m | 0.043N·m | 0.043N·m | 0.043N·m | 0.043N·m | 0.043N·m |
| R-axis – rated current | 0.4A | 0.4A | 0.4A | 0.4A | 0.4A | 0.4A |
| R-axis – peak current | 1.4A | 1.4A | 1.4A | 1.4A | 1.4A | 1.4A |
| R-axis – radial runout | ± 5 μ M (± 1 μ Customizable | ± 5 μ M (± 1 μ Customizable | ± 5 μ M (± 1 μ Customizable | ± 5 μ M (± 1 μ Customizable | ± 5 μ M (± 1 μ Customizable | ± 5 μ M (± 1 μ Customizable |
| Body parameters – thickness | 20cm | 20cm | 20cm | 23cm | 23cm | 25cm |
| Main body parameters – voltage | DC 24V±10% | DC 24V±10% | DC 24V±10% | DC 24V±10% | DC 24V±10% | DC 24V±10% |
| Ontology parameters – usage environment | 5-40 °, below 5% RH | 5-40 °, below 5% RH | 5-40 °, below 5% RH | 5-40 °, below 5% RH | 5-40 °, below 5% RH | 5-40 °, below 5% RH |
| Body parameters – Body weight | 0.70Kg | 0.74Kg | 0.89Kg | 1.27Kg | 1.25Kg | 1.5Kg |
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