How Are Linear Actuators Mounted?

Linear actuators are a key part of many modern machines. They create straight-line movement, which is needed in equipment that lifts, pushes, or slides parts into place. You’ll find them in industrial systems, automation setups, medical tools, and more. When used the right way, actuators help machines run with smooth and accurate motion. But how they are mounted plays a big role in how well they work. A poor mounting method can lead to early wear, extra stress, or system failure.

If you’re designing a system and planning to use linear actuators, this guide will help you understand the different mounting options and what to consider before installation. Let’s begin with the common mounting methods and how each one works.

Common types of linear actuator mounting

There are several ways to mount a linear actuator. The right method depends on how your machine moves and how much space is available. Each mounting type has its own setup and benefits. By the way, you can learn more here about the types of linear actuators.

Front or Rear Mounting

This is one of the most common ways to mount a linear actuator. In this setup, either the front or rear end of the actuator is attached to a fixed surface, like the frame of a machine. The other end connects to the moving part of the system.

People choose this method because it is simple and easy to install. The mounting points are built into most actuators, so it doesn’t require special hardware. You just need to make sure the moving end has a straight path for travel.

The main benefit of front or rear mounting is its stability. Since one end stays fixed, the actuator can push or pull the load without extra parts. This works well for systems that move in one direction along a straight line.

Dual Pivot Mounting

This type of mounting uses pivot points at both ends of the actuator. A pivot lets the actuator rotate slightly as it moves. This is helpful in systems where the angle of the actuator changes during operation.

To mount it this way, you use brackets that allow each end to turn freely. These brackets usually include pins that hold the actuator in place but allow it to swing.

People choose dual pivot mounting when the actuator needs to move in a curved or angled path. It reduces stress on the actuator because it doesn’t have to stay perfectly straight. The movement is smoother, and the parts last longer.

Sliding Block Mounting

In this method, the actuator is mounted along its body using a sliding block or a carriage. This block moves along a guide rail and supports the actuator as it operates.

This setup is useful when the actuator needs to stay in line and not twist or bend. It gives better support and more accurate motion. The actuator can move a load directly without putting too much pressure on itself.

Sliding block mounting is chosen for systems that need high precision and strong guidance. It helps reduce wear and makes the system more stable during motion.

Clevis Bracket Mounting

Clevis brackets are U-shaped connectors that hold the actuator in place with a pin. This method is used at one or both ends of the actuator. The clevis allows for pivoting movement as the actuator extends or retracts.

To mount an actuator this way, you fix the clevis bracket to the machine and insert a pin through the bracket and the actuator’s end. This creates a hinge point, which can move freely.

This type of mounting is helpful when the actuator doesn’t stay in one straight line. It allows for slight angle changes during motion and helps prevent bending or stress on the actuator rod. It’s often used in lifting systems and moving arms where the angle changes as the load moves.

Flange Mounting

A flange is a flat plate at one end of the actuator. It has holes for bolts so you can attach the actuator to a surface. This keeps it firmly in place while the rod moves in and out.

To use this method, you bolt the flange directly to a base or machine frame. It’s important to make sure the mounting surface is flat and strong enough to support the actuator.

Flange mounting is often used in compact systems where there isn’t room for extra hardware. It keeps the actuator stable and is good for pushing or pulling in a straight line. It’s a simple and secure way to hold the actuator in one place.

Custom Plate Mounting

Some systems have special shapes or limited space, and standard brackets won’t work. In these cases, a custom plate can be designed to hold the actuator. The plate is made to fit the exact shape of the machine and match the mounting points of the actuator.

To use this method, the actuator is mounted to the custom plate, and the plate is installed where needed. It may be attached with screws, clamps, or other parts made for that system.

This method gives more control over placement and fit. It’s useful when the design needs a custom solution that standard mounts can’t provide.

Next, we’ll look at what to keep in mind before you begin the mounting process.

What Needs to Be Considered for Linear Actuator Mounting?

Before you install a linear actuator, there are a few things to plan. These steps help you avoid problems later and keep the system working smoothly.

• Load direction: The actuator should push or pull in line with the load. If it’s off-center, it could wear out early.
• Travel distance: Make sure the actuator stroke length matches the distance it needs to move.
• Mounting position: Keep the actuator in a straight path. If it bends or twists, that can cause stress.
• Environment: Dust, moisture, or heat can affect how your actuator works. Use protective covers if needed.
• Maintenance access: Leave space so you can check or replace the actuator if needed.

Thinking about these details before you start can save you time and trouble later.

Mounting a linear actuator isn’t hard, but it needs some tips. Choosing the right method and setup helps your machine work better and keeps your parts from wearing out too soon.

If you’re working on a project and need help choosing or installing the right motion system, we can help. We’re a leading manufacturer of linear drive components. We provide smart automation solutions and expert support. Our main products include linear actuators, linear modules, marble linear motor stages, and DD motors.