Linear Actuators

Linear Actuators from Bosch Rexroth Africa, also called electromechanical cylinders, are available in two variations – the standard linear actuator – EMC (electromechanical cylinder) and the heavy-duty linear actuator – EMC HD (electromechanical cylinder – heavy duty). Each of these is stocked, installed and serviced by Tectra Automation, a Bosch Rexroth Africa Group Company.

 

Linear Actuators

Linear Actuators from Bosch Rexroth Africa, also called electromechancial cylinders, are available in two variations – the standard linear actuator – EMC (electromechanical cyclinder) and the heavy duty linear actuator – EMC HD (electromechanical cylinder – heavy duty). Each of these are stocked, installed and servicedby Tectra Automation, a Bosch Rexroth Africa Group Company.

The EMC linear actuators have similar external geometry and mode of operation as pneumatic cylinders. However, this basic linear actuator can offer much higher energy efficiency, versatility and controllability due to modern servo controllers.

The EMC HD linear actuators are designed as a completely modular system with an integrated planetary or recirculating ball screw assembly. This design allows the heavy-duty linear actuator to enable cost-efficient work under tough or difficult conditions.

Benefits of linear actuators from Bosch Rexroth Africa

  • Precise operation
  • Compact design and quality housing
  • Suited for all typical motion applications
  • Rapid installation
  • High energy efficiency
Our linear actuators feature a hygienic design that prevents dirt forming and simplifies cleaning.

LINEAR ACTUATORS


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VIEW OUR RANGE OF LINEAR ACTUATORS

Electromechanical Cylinders EMC

Our range of electromechanical cylinders offers quick assembly, compact construction and low maintenance.

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Electromechanical Cylinders - Heavy Duty

The new EMC-HD electromechanical cylinders with ball or planetary roller screw drive are designed for high power density & long service life.

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Bosch Rexroth Africa linear actuators

EMC linear actuator:

Advantages:

  • Hygenic design provides high resistance to chemicals and cleaning agents
  • Tight sealing against dirt and water from the outside and lubricant discharge from the cylinder, with IP65 degree of protection
  • Optimised lubrication concept provides optional connection to a central lubrication system, reducing downtime
  • High-precision ball screw assemblies enable cost-effective high performance
  • Complete modular system with a high degree of variability makes them adaptable to customer applications
  • A complete ready to install and switch on system (plug-and-play)
  • An intelligent drive system for free programmability and implementing complex traversing profiles

Technical data summary:

  • Basic dynamic load rating (Cdyn): 2.5 to 93 kN
  • Axial force: up to 56 kN (tension/compression)
  • Maximum traversing speed: 1.6 m/s
  • Stroke: up to 1,500 mm
  • Protection class: IP54, optionally IP65

EMC – HD linear actuators:

Advantages:

  • High energy efficiency and low environmental impact
  • Zero leakages
  • Simple & robust design for a long service life in tough environments
  • Completely modular with variability for high application flexibility
  • Exact positioning, high dynamics, powerful drive and long service life by using high-precision linear screw drives
  • Optional connection to a central lubrication system reduces downtime
  • Low design and installation costs – plug-and-play system
  • Intelligent drive system for free programmability and implementing complex traversing profiles

Technical data summary:

  • Basic dynamic load rating (Cdyn): 50 to 470 kN
  • Axial force: up to 290 kN (tension/compression)
  • Maximum traversing speed: 1 m/s
  • Stroke: up to 1,700 mm
  • Protection class: IP65

Linear actuator applications

The mechanics of the linear actuators are based on established planetary or ball screw assemblies, available in various sizes and leads. Linear actuators from Bosch Rexroth Africa are powerful alternatives to pneumatic cylinders and provide significant benefits in terms of energy efficiency.

They also have greater flexibility, which is achieved through higher thrust and variable speeds. Our range is well suited for typical motion applications, including handling tasks.

Heavy duty linear actuator applications:

Some examples of applications that use of heavy duty linear actuators include:

  • Servo presses and forming technology
  • Joining technology
  • Thermoforming
  • Injection moulding and blow moulding machines
  • Woodworking machines
  • Assembly and handling technology
  • Packaging machines and conveyor systems
  • Testing and laboratory equipment
  • Simulators
  • Special purpose machines

Basic linear actuator applications:

A few examples of applications in which our linear actuators can be used include, but are not limited to:

  • Material handling
  • Feed systems
  • Test rigs and laboratory applications
  • Welding, bonding, thermoforming
  • Volumetric filling

High rigidity of the heavy duty linear actuators allows for precise positioning as well as high performance and dynamics. Users are able to integrate the linear actuators into intelligent energy management, seamlessly. This reduces power consumption and carbon emissions.

Why change to linear actuators:

Machine designers who work on highly accurate systems must incorporate precise electronic systems. However, they also need to give the mechanical components equal consideration. Component sizing, linear guide and bearing design, ball screw and nut options, as well as linear module housing material are all critical factors to consider in order to provide the best accuracy possible.

Standard linear actuators and heavy duty linear actuators from Bosch Rexroth Africa encompass all these factors, making them the electromechanical cylinders of choice.

Getting the linear actuator that matches your needs:

Heavy duty linear actuators from Bosch Rexroth Africa provide higher dynamics and precision, increased controllability and better mechanical efficiency than most fluid-power drives like hydraulic cylinders, for example.

Because of linear actuators’ special characteristics when compared to fluid-driven technology, it is important that the requirements of the application be completely defined in advance. To find the most cost-efficient linear actuator for your application, you should be knowledgeable in the following parameters

  • Integration in the machine
  • Travel range and overall dimensions
  • Environmental conditions
  • Loads
  • Duty cycle
  • Total cycle

Linear actuators are the perfect technological platform for building both mass-production and special purpose machinery. The comprehensive stockholding of linear actuators held by Bosch Rexroth Africa Group Companies like Tectra Automation, means that Bosch Rexroth Africa always has the best linear actuator solution for your requirements, suited to your manufacturing, industrial or engineering application.

As the exclusive supplier of Bosch Rexroth products and systems in Africa, Bosch Rexroth Africa provides access to a comprehensive online training programme – developed and facilitated by Bosch Rexroth. Mechanical artisans; machine operators; maintenance, assembly and installation personnel; planning and design engineers and those in similar professions will benefit from our comprehensive hydraulics and pneumatics training programmes.

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