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Water Resistant Linear Actuators

March 20th, 2023 by David Casillo.

Job Stories: Water Resistant Linear Actuator System for Testing Facility


Customer looking for water resistant automated solution to support their experimental design for water simulating tank testing.

The Challenge:

Given the environment in which this application would be subject to, the customer’s main concern was operational efficiency and longevity in water. In addition, they required an automated solution capable of traveling great distances, moving a 25kg carriage at a speed of 5m/s. Ultimately, the customer envisioned a solution that featured a belt drive actuator that would have gearboxes, a torque tube, and motor fit to it. We were able to help from a consultative perspective to provide not just what they were asking for, but the best solution to meet their needs based on expertise.

Key Challenges to Address:

  • Water-resistant application
  • Custom cart stroke of 34m
  • Consultancy and expertise in linear motion
Water Resistant Linear Actuator Video
The Solution:

Working collaboratively with the customer, our application engineers were able to refine and develop a custom-built linear solution, removing the need to spend additional time and resources on designing individual products to fit a standard belt drive. Instead, Isotech’s proposed solution was to leverage a linear actuator, rather than a belt-drive, and streamline the build with inhouse gearboxes and torque tubes to avoid the need to individually piece the final solution together with additionally sourced outside vendor parts and custom-built additions. The final application was a linear actuator system capable of 34-meter stroke that featured water resistance coating, protecting sensitive parts from damage and rust.

The system we helped engineer for this customer was a great demonstration of the way we like to work. Our integration experts, engineering team, and the end client collaborated to move from hand-drawn sketches to installed systems that exceeded expectations.

The Results:

Having been delivered, the system is now used for experimental purposes. This specific application was incorporated into an innovative, intuitive engineering design that offers services for shipyards to develop and refine future ship models.

This is not a one-off application. Isotech has worked with several other educational institutions, National Labs, and other contractors for the military marketplace, and has seen a lot of desire for water simulating tank testing. At the end of the day, this industry wants to see their application in action, and our motion solution engineers are more than ready to help.

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