Inmoco Offers Force-Measuring Linear Actuators

Inmoco is offering selected models from its Exlar GSX range of linear actuators with an integral force-measuring capability for use in applications such as fastening, joining, welding and more. Other suitable applications for the force-measuring linear actuators include: bag sealing; thermoforming; clamping; testing; and tension control. The force-measuring option is available on the Exlar GSX30, 40, 50 and 60 models.

It comprises a load cell that is totally enclosed within the actuator's sealed housing, allowing it to directly measure the force being applied by the actuator's output rod. The strain-gauge load sensor used to measure applied force is also mounted inside the actuator's housing, protecting it from external damage and guaranteeing accurate and consistent force data. A separate connector is supplied for connecting the internal load cell to an external strain conditioner/amplifier required to excite the strain-gauge sensor.

Alternatively, Exlar can offer strain-gauge conditioners to provide a high-level output signal - either 0-10V or 4-20mA - or any one of numerous third-party conditioners/amplifiers can also be used for this purpose. The Exlar GSX units are advanced electromechanical actuators that provide a clean, fast, simple and cost-effective replacement for hydraulic and pneumatic cylinders, according to Inmoco. They integrate Exlar's inverted roller screw mechanism.

The planetary design of the roller screws allows them to be accelerated and rotated faster than comparably sized ball screws, while their large contact area allows high force characteristics, and provides long life - typically 15 times that of comparably sized ball screws - even in demanding repetitive applications. The GSX series linear actuators combine a brushless servo motor, an inverted roller screw and an encoder/resolver feedback source into a single compact assembly. This arrangement eliminates the cost and complexity of a systems engineering approach as all elements for producing linear motion have been properly matched and designed into the actuator and tested for their efficiency.

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