Jodell LRA Series

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