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Rod-shaped Linear Motor – VSSA-16-70

Peak force Peak force ；50N Continuous force ；15N Peak current Peak current ；3.6Arms Continuous current ；1Arms Motor constant Motor constant ；1.6N/SQRT W Continuous output ；12.6IN Maximum coil temperature ；100 Force constant Force constant ；15N/Arms Magnetic rotation period pole-Pole pitch ；26mm

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VSSA Series（Axial Linear Motor）

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Ⅰ. Product Overview
The VSSA-16-70 Rod-shaped Linear Motor from W-Robot is a compact, high-efficiency linear motion actuator designed for ultra-precise and high-speed positioning applications.
Unlike conventional screw-driven systems, the VSSA-16-70 features direct electromagnetic linear drive, providing smooth, friction-free motion with outstanding acceleration and repeatability.
Its rod-type cylindrical structure enables space-saving installation, while maintaining excellent rigidity and thermal stability.
This makes it an ideal solution for semiconductor equipment, optical inspection systems, precision measurement instruments, and micro-assembly lines where both speed and accuracy are essential.
Ⅱ. Technical Features
Core Linear Motor Technology: Provides high acceleration, zero backlash, and extremely low friction.
Compact Structure: Rod-type cylindrical body, suitable for tight installation spaces.
High Dynamic Response: Rapid motion start/stop capability ensures precise process control.
Positioning Accuracy: Repeatability up to ±0.002 mm with optional high-resolution encoder.
Thermal Stability: Optimized heat dissipation ensures consistent performance during long-term operation.
Low Maintenance: No mechanical contact, reducing wear and maintenance costs.
Customizable Stroke: Standard 70 mm stroke, extended travel available upon request.
Ⅲ. Application Fields
The VSSA-16-70 Linear Motor is widely applied in:
Semiconductor wafer handling and testing systems
Optical inspection and alignment platforms
Precision assembly of electronic components
Laboratory automation and micro-positioning instruments
High-speed pick-and-place modules
Compact robotic arms or Cartesian motion systems
Its compact rod-shaped design, combined with direct drive performance, makes it the perfect fit for applications demanding clean, quiet, and precise linear motion.
Ⅳ. Model Selection & Customization
W-Robot provides a complete range of customization options for the VSSA series:
Stroke length and thrust adjustment based on application needs
Motor winding optimization for speed, force, or duty cycle
Encoder and feedback system integration (optical or magnetic)
Cooling options (air or water-cooled versions)
Mounting flange and connector interface customization
CAD models (2D/3D) and detailed technical drawings available upon request
Ⅴ. Product Advantages
Direct linear drive for smooth, fast, and accurate positioning
Compact cylindrical structure with high rigidity
Zero mechanical backlash, zero transmission loss
Excellent thermal and dynamic stability
Quiet operation with minimal vibration
Customizable to meet OEM and automation system requirements
Ⅵ. Installation & Maintenance
Ensure flat and rigid mounting surfaces for precise alignment
Avoid external magnetic field interference near the motor
Regularly inspect cable and connector integrity
Maintain clean and dry operation environments
Follow recommended duty cycle and thermal limits for prolonged service life
Use matched linear encoder and driver for best performance
Ⅶ. Learn More
Explore more with W-Robot:
Product catalog and technical data at www.w-robot.com
Application article: “Rod-type Linear Motors in Precision Automation Systems”
Contact W-Robot for customized linear motor solutions and integration support
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Direct Drive Rotary Motor – DDRE-224-062

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Listed below are answers to our most commonly asked questions. Don't see your question?Contact our customer service team. We would be glad to assist you.

FAQ

Listed below are answers to our most commonly asked questions. Don't see your question?Contact our customer service team. We would be glad to assist you.

What are the future development trends of linear modules and linear motors?

In the future, linear modules and linear motors will develop towards higher precision, higher speed, smaller size, intelligence, and integration with other advanced technologies (such as artificial intelligence and the Internet of Things).

What parameters need to be provided for customized linear motors?

It is necessary to provide detailed parameters such as load weight, stroke, speed, acceleration, accuracy requirements, installation method, and operating environment so that the manufacturer can design and manufacture a linear motor that meets the requirements.

How long is the customization cycle of linear modules?

The customization cycle depends on the complexity of the customization and the manufacturer's production capacity, generally about 1-4 weeks. The specific time can be determined by communicating with the manufacturer.

Can linear motors be upgraded?

The performance of linear motors can be improved by upgrading them with high-performance drives, optimizing control system parameters, and improving heat dissipation structures.

Is it easy to upgrade the linear module?

It is relatively easy to upgrade the motor, control system, guide rail and other components of the linear module according to actual needs to improve its performance and accuracy.

What is the after-sales maintenance service of linear motors?

Regular manufacturers usually provide comprehensive after-sales maintenance services, including fault diagnosis, maintenance guidance, parts replacement, etc., but the response speed and quality of after-sales maintenance services may vary from manufacturer to manufacturer.

What is the warranty period for linear modules?

The warranty period of linear modules from different manufacturers varies, generally around 1-2 years. The specific warranty period can be confirmed with the manufacturer at the time of purchase.

What should we pay attention to when integrating linear motors with other equipment?

Attention should be paid to issues such as interface compatibility, signal matching, control logic coordination, and installation space and layout between devices to ensure that the devices can work together.

Can the linear module be integrated with other equipment?

Absolutely. Linear modules can be integrated with other devices such as robots, sensors, and vision systems to build more complex and intelligent automated production lines.

What kind of control system do linear motors require?

Linear motors typically require a high-performance motion control system that can achieve precise position control, speed control, and thrust control, such as a dedicated linear motor drive with a motion control card or a high-end PLC.

Products

Rod-shaped Linear Motor – VSSA-16-70

Ⅰ. Product Overview

Ⅱ. Technical Features

Ⅲ. Application Fields

Ⅳ. Model Selection & Customization

Ⅴ. Product Advantages

Ⅵ. Installation & Maintenance

Ⅶ. Learn More

Related Products