FEATURE Drives, controls & motors


Developing custom drive system designs


Developing custom drive system designs


Stewart Goulding, Managing Director of actuation system specialist EMS into the custom actuator design and manufacturing process


W


ith applications ranging from robotics and surgical tools to disability aids and automation, motors are a


necessary component whenever there’s a need for electro-mechanical power. When used with a gearbox, higher torques are achievable and speed can be adjusted to suit the application. However, standard gearboxes can be too


large for limited spaces or when dealing with strict shape and size limitations. Here, it may be worth opting for a custom actuation design. A custom drive system may involve  a typical inline construction by way of a transfer gearbox that allows the motor and gearbox to lay side by side, thereby halving the package length of the drive system.  wheel construction and making use of lesser-known plastics for gear materials to  some of the ways to optimise performance – considerations best made during the design process. With an extensive portfolio of motor and gearbox options, working with a supplier that has the additional focus on custom design, like EMS, means that the in-house experts are always available to discuss designs and needs.


22 May 2024 | Automation


Starting with a specification A collaborative approach between design engineers is key when creating a custom drive system and the customer and manufacturer   include speed, torque, duty cycle and the environment in which the drive system will operate. Limitations like power supply, current draw and available space are also considered. It’s not always necessary to know all aspects of the requirements at the outset,  in advance. Once agreed upon, design can begin. A concept is formulated applying motor theory knowledge, background material strength calculations and 3D modelling software. Where necessary, 3D printed prototype parts can be provided too, enabling      metal.


  product design and ensures that each element  


EMS, provides an insight


consider the die casting in aluminium or zinc, particularly for the enclosure.  gears is done using dedicated gear-cutting  precision, complex shapes can be achieved in a single operation, increasing productivity and ensuring high mechanical integrity of the component, manufactured using intended production methods and supplied to the customer for full validation and life testing in  At EMS, accredited to 9001:2015 quality, longevity and reliability is designed into each drive system. Supported by a comprehensive quality department equipped with the latest inspection equipment, a First Article Inspection (FAI) report is provided with each new prototype, providing detailed  design to the eventual manufactured part. Investing in a custom drive system is also about investing in a long-term partnership that will last the life of the product, and beyond. Developing a custom drive system doesn’t have to be an overcomplicated process. By taking a collaborative approach, customers can feel reassured that the manufacturer has the needs of their product at the core of the design, as well as the expertise to deliver a quality drive system.


automationmagazine.co.uk


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