
Theory of Machines
Equipment for Teaching Basic to Advanced Machine Theory
The theory of machines range offers teaching equipment for the basics of machine engineering such as motion, to more advanced studies of free and forced vibration, friction in bearings, geared systems and governors.

What's New
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Product Ranges
Featured Products

DefleX® Speckling Kit
A comprehensive set of tools and ink to easily apply an effective speckle pattern to a range of surfaces for use with the DefleX® DIC systems.

DefleX® Starter Kit
A simple system for introducing students to the concept of digital image correlation (DIC)

DefleX®-2D
Entry-level DIC System for Education, Making Materials Come Alive in the lab
DefleX®-2D is an entry-level, 2D digital image correlation (DIC) system, designed to help students visualise and understand how materials and structures behave under load. The camera and software kit tracks how surfaces stretch, bend and move – turning invisible stresses into clear, visual colour maps of strain and displacement in real time.
Ideal for material science, structures and mechanical engineering courses and labs, this compact, fully integrated teaching tool makes complex concepts easy to see and explore. DefleX®-2D provides a powerful yet simple way to visualise and analyse strains and deformations meaning students can directly compare experimental data with theoretical predictions or computer simulations, supporting a deeper blended learning experience.

DefleX®-3D
From theory to reality - Seeing in microscopic detail
Combining theory, hands-on experimentation, visual learning, and technology evolution, DefleX®-3D is our teaching system helping students learn about 3D digital image correlation (DIC) that measures and visualises full-field surface deformations, strains and displacements.
Designed for teaching, it enables students to explore material behaviour, experimental mechanics, and design validation with real-world data. Simple to calibrate and quick to set up, using two digital cameras and image analysis software, DefleX®-3D captures surface changes in real-time or playback, enabling footage manipulation and data analysis whenever, wherever.

FREE AND FORCED VIBRATIONS

Bench top apparatus that investigates the free and forced vibrations of a rigid beam with a spring, and a simply supported beam. Demonstrates Rayleigh's approximation and Dunkerley's method.

STATIC AND DYNAMIC BALANCING
Bench top apparatus for experiments in balancing a rotating mass system, statically and dynamically.