Electric linear cylinders are a type of linear actuator that convert electrical energy into linear motion

 

Electric Linear Cylinders
Electric Linear Cylinders 

Electric linear cylinders are a type of linear actuator that convert electrical energy into linear motion. They are widely used in various industries, including automotive, aerospace, medical, and manufacturing, to move or position loads with high precision and control.

Electric linear cylinders consist of a motor, a gearbox, a screw or a belt, and a carriage that moves along the screw or the belt. The motor provides the rotational energy, which is transmitted to the gearbox that reduces the speed and increases the torque. The screw or the belt converts the rotary motion of the gearbox into linear motion, and the carriage carries the load. Global electric linear cylinders market was valued at US$ 595.7 Mn in 2018 and is expected to reach US$ 962.5 Mn in 2027, exhibiting a CAGR of 5.5% over the forecast period (2019–2027)

A recent trend in the industry is technological breakthroughs in the design and development of electric linear cylinders and actuators. Pneumatic and hydraulic cylinders are high-performance and expensive alternatives to electric cylinders, which has prompted manufacturers to concentrate on design innovation and enhance the capabilities of electric linear cylinders. For instance, Bosch Rexroth provides customised advanced control technology that enables adjustments to the position, force, and travel speed characteristics.

High energy efficiency, compact structural design, high performance electromechanical cylinders with high-precision ball screw assemblies, complete turn-key systems, and sanitary design are all provided by the firm for customers. The current emphasis of major manufacturers is on delivering an electric linear cylinder with a small, strong, and dependable design that has a longer lifespan and requires little maintenance.

There are two main types of electric linear cylinders: ball screw and belt-driven. Ball screw electric linear cylinders use a screw with recirculating ball bearings that roll along the screw's grooves, reducing friction and increasing efficiency. Belt-driven electric linear cylinders use a toothed belt that moves along pulleys, providing high-speed and quiet operation.

One of the main advantages of electric linear cylinders is their high precision and repeatability. They can achieve accuracies of up to 0.01 mm and repeatability of up to 0.005 mm, making them suitable for applications that require high positional accuracy, such as pick-and-place systems, robotic arms, and CNC machines.

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