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Products: Linear actuators with integrated reduction

Introduction

NIASA FM/AM Series electro-mechanical actuators combine the sleeve and stem system of the F/A Series linear actuators with the gearbox of the screw jacks, thus obtaining the most interesting features of both types of product.

This way, the FM/AM Series electro-mechanical actuators become the optimal technical solution for applications that require the movement specifications of a screw jack, with the

additional advantage of being able to work under the most demanding environmental conditions.

Their main advantages against other systems, such as pneumatic or hydraulic cylinders, are the following:

Greater movement and positioning precision.

Greater safety, due to its irreversibility in many configurations (ask NIASA) and/or the incorporation of different braking devices.

Superior energy efficiency, as their parts offer high/very high performance, especially with the ball screws, low transmission ratios and high speeds.

Easier and faster assembly, since hydraulic or pneumatic groups are not required, just an electric motor on the unit itself.

Greater reliability and duration, and less maintenance, due to the mechanical robustness and construction simplicity.

Modular design and the possibility to operate in multiple positions.

Easier to obtain synchronized advance movements of several actuators, including under different loads.

Lower size for the same load capacity.

...

The screw supports also characterized for offering an extensive range of:

Axial load capacities, from 5 kN up to 250 kN.

Advance speeds; depending on the screw pitch and the gearbox, two possible reductions are offered depending on the size of the actuator, from 4:1 to 40:1 . Trapezoidal and ball screws, depending on the performance required, precision of movement and positioning, etc.

Fastening accessories and elements, for optimal adaptation to the most varied systems that may be designed.

Control and safety systems (mechanical/inductive limit switches, absolute/incremental encoders, etc.).

Materials and surface coverings, depending on the environmental conditions in which the unit will be installed.

Two types of external sleeve for the stem:

· Steel round tube.

· Aluminum extrusion profile (magnetic sensors, antirotation system).

...

Please do not hesitate to contact NIASA if you require FM/AM

actuators (and their drive mechanisms) with specifications

other than those covered in this chapter. The NIASA technical

department will specifically develop the special units that best

meet your requirements

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Aplications

  • 1: CONVENYOR BELT ELEVATION SYSTEM
  • 2: PRESS TYPE SYSTEM
  • 3: THREE SHAFT SCREW JACK SYSTEM
  • 4: ELEVATION SYSTEM WITH INTEGRATED MAGNETIC SENSOR