LINEAR MOTION
Force Rod-Style Actuators. Generating 66 kN (15,000 lbf) force to move steel castings from their moulds, the electric designs eliminated the cost and downtime required to maintain the hydraulic system. A further example of a typical heavy-duty environment involved a high-speed train carriage manufacturer aiming to find a solution to wheel wear, where a key challenge was meeting the regulations required by the rail industry for fire, smoke, and vibration. To steer the carriage wheels through curves and reduce friction, Tolomatic worked with the manufacturer to develop a customised version of its IMA44 integrated linear servo actuator. This design met the required shock, vibration, and fire standards, which no other actuator available on the market at the time could achieve.
Meanwhile, in battery manufacture, a key challenge is corrosion, particularly for applications such as acid bottle handling. To combat this challenge, as well as preventing elastomer seals from degrading, Tolomatic provided a battery manufacturer with its RSH series actuator, specifically developed for use within corrosive environments. Constructed from high-grade 316 stainless steel, compared to the lower resilience 300 series steels common to other actuator designs, the RSH actuator also features PTFE seals, providing increased resilience against corrosive chemicals compared to nitrile or other elastomeric seal materials.
HYGIENIC APPLICATIONS
Using linear actuators in harsh environments can also mean protecting manufacturing produce, as well as ensuring the lifetime of the actuator, which is particularly the case in food production. A cheese manufacturer that wanted to replace the hydraulic cylinders on its cutting application with electric designs to eliminate the contamination risk from leaking hydraulic fluids. To achieve this, Tolomatic provided its all-stainless steel RSH30 Hygienic Electric Actuator with IP69k protection and integrated motor to provide a hygienic, long-lasting solution. Motion control specialist INMOCO distributes Tolomatic actuators in the UK and can provide support in specification, as well as advising on the customisation options available to OEMs. To create a complete linear motion solution for harsh environments, INMOCO can also specify gearboxes, servo drives and motors, as well as ruggedised controllers.
While hydraulic and pneumatic linear actuators are still an option for applications demanding the very highest forces, increasingly OEMs and end users are replacing these systems with electric designs. For new projects, the advantages of precision, reliability, and cleanliness, mean that electric linear actuators are the favoured choice for virtually all industrial applications.
INMOCO
www.inmoco.co.uk
UKManufacturing Summer 2026 23
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