1. Introduction
This manual provides essential information for the safe and effective use of your Walfront DC 12V Heavy Duty Electric Linear Actuator. Please read these instructions thoroughly before installation and operation. Retain this manual for future reference.
1.1 Safety Information
- Always disconnect power before performing any installation, maintenance, or troubleshooting.
- Ensure the power supply matches the actuator's voltage (DC 12V).
- Do not exceed the maximum load capacity of 150kg (330 lbs).
- Avoid operating the actuator in environments outside its specified temperature range (-26°C to +50°C).
- Keep hands and loose clothing clear of moving parts during operation.
2. Product Overview
The Walfront DC 12V Heavy Duty Electric Linear Actuator is designed for applications requiring controlled linear motion. It features a robust metal construction, a high-performance motor, and built-in limit switches for reliable operation. This actuator is suitable for various uses, including medical beds, electric sofas, lift systems, and industrial equipment.
Figure 2.1: Walfront DC 12V Heavy Duty Electric Linear Actuator, showing the motor housing, linear rod, and mounting points.
2.1 Key Features
- Sensitive Action: Provides stable and responsive operation.
- Environmental Adaptability: Designed for good performance in various conditions.
- Durable Construction: Made from metal material with a high-performance motor.
- Built-in Limit Switches: Automatically stops the actuator at the end of its stroke to prevent damage.
- High Load Capacity: Maximum push/pull force of 150kg (330 lbs).
- Multiple Stroke Lengths: Available in 50mm, 100mm, 150mm, 250mm, and 300mm options.
Figure 2.2: Diagram highlighting key features including limit switches, aluminum alloy shell, metal gear, and low resistance wiring.
3. Setup and Installation
Proper installation is crucial for the actuator's performance and longevity. Follow these general guidelines:
- Mounting: Securely attach the actuator to your application using appropriate mounting brackets (not included). Ensure the mounting points are strong enough to support the actuator's weight and the applied load.
- Orientation: The actuator can be mounted in any orientation, but ensure it does not interfere with other components during its full stroke.
- Electrical Connection: Connect the actuator to a DC 12V power source. The actuator typically has two wires; reversing the polarity will reverse the direction of the rod extension/retraction.
- Cable Management: Route the power cable safely, ensuring it is not pinched or subjected to excessive strain.
Figure 3.1: Dimensions for various stroke lengths (17.5cm/6.9inch, 22cm/8.6inch, 27cm/10.6inch, 37.5cm/14.7inch, 42cm/16.5inch) and package contents (1x Linear Actuator).
4. Operating Instructions
The Walfront linear actuator is simple to operate once correctly installed:
- Power On: Apply DC 12V power to the actuator.
- Direction Control: The direction of the actuator's movement (extension or retraction) is controlled by the polarity of the DC 12V input. Reversing the positive and negative connections will reverse the direction of the rod.
- Stopping: The actuator will automatically stop when it reaches its fully extended or fully retracted position due to the built-in limit switches. It can also be stopped at any intermediate position by cutting power.
- Load Management: Ensure the load applied does not exceed the maximum push/pull capacity of 150kg. Overloading can damage the motor and internal components.
5. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your linear actuator:
- Cleaning: Keep the actuator body and rod clean and free from dust, dirt, and debris. Use a soft, dry cloth for cleaning.
- Lubrication: The internal components are pre-lubricated. Avoid applying external lubricants unless specifically instructed by the manufacturer, as this may attract dirt.
- Inspection: Periodically inspect the actuator for any signs of wear, damage, or loose connections. Check the mounting points for stability.
- Cable Integrity: Ensure the power cable is not frayed, cut, or damaged. Replace damaged cables immediately.
6. Troubleshooting
If you encounter issues with your Walfront linear actuator, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Actuator does not move | No power, incorrect wiring, motor failure, or jammed mechanism. | Check power supply (DC 12V). Verify wiring connections. Ensure no obstructions are preventing movement. If motor is unresponsive, contact support. |
| Actuator moves slowly | Insufficient power, excessive load, or internal friction. | Confirm power supply provides adequate current. Reduce load if it exceeds specifications. Check for any binding in the application. |
| Actuator stops prematurely | Overload protection triggered, or internal limit switch issue. | Reduce load. Check for obstructions. If the issue persists, the internal limit switch may be faulty. |
| Unusual noise during operation | Mechanical wear, foreign object, or motor issue. | Inspect for foreign objects. If noise persists, it may indicate internal wear; contact support. |
7. Specifications
The following table details the technical parameters for the Walfront DC 12V Heavy Duty Electric Linear Actuator:
Figure 7.1: Detailed technical parameters for the linear actuator.
| Parameter | Value |
|---|---|
| Material | Metal |
| Voltage | DC 12V |
| Maximum Push/Pull | Approx. 150kg / 140kg (330 lbs / 308 lbs) |
| Stroke Length (Optional) | 50mm (1.97in), 100mm (3.94in), 150mm (5.91in), 250mm (9.84in), 300mm (11.81in) |
| No-load Speed | 6mm/s |
| Relationship of Speed and Pull | 5mm/s (50kg) |
| Environment Temperature | -26°C to +50°C |
| Standard Protection Level | IP54 |
| Built-in Stroke Switch | Yes |
| Color | Silver |
| Weight (approx.) | 723g (50mm), 846g (100mm), 947g (150mm), 1136g (250mm), 1215g (300mm) |
8. Applications
The Walfront DC 12V Heavy Duty Electric Linear Actuator is versatile and can be used in a wide range of applications, including but not limited to:
- Electric medical beds
- Electric bracket rods
- Camera stands
- Electric sofas and recliners
- Lift systems (e.g., electric lift tables)
- Industrial electric lifting systems
- Surgical beds and traction beds
- Electric booths and wheelchairs
Figure 8.1: Examples of applications including electric recliner, electric sofa, electric bed, and electric lift table.
Figure 8.2: Further application examples such as adjustable beds, standing desks, and medical chairs.
9. Warranty and Support
For warranty information or technical support, please contact Walfront customer service through their official channels. Keep your purchase receipt or order details handy when contacting support.
For more information, visit the Walfront Store on Amazon.