Slide It is with a heavy heart that we announce the unexpected and sudden passing of our friend and team mate, John Knipp. Read More A unique combination of technology, data, and experience to launch molds at T0 Learn More Learn from the comfort of home with our new, interactive online training courses led by industry experts. Upcoming Online Training New: ONLINE Training Courses Upcoming Webinars Covid-19 You and your health are our top priority, so we are taking all necessary measures to ensure your safety during the COVID-19 outbreak. As we face these times of uncertainty, we can still be certain that our unprecedented support and commitment to you will not waver. COVID-19 Info Training Information COVID-19 Update More Information July 16 2020 Update
All classes at our Traverse City, MI facility from August 31st, 2020 through December 31st, 2020 will be cancelled due to the COVID situation.
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Award-Winning Training and Technology for Injection Molding

RJG provides comprehensive tools and award-winning training that allow molders to implement scientific molding techniques and improve molding quality, productivity, and profitability. Our unprecedented support and technology can eliminate even the most frustrating molding challenges.

The RJG name is synonymous with advanced injection molding techniques and equipment, including:


The industry standard scientific/systematic injection molding training.


Process control systems and in-cavity sensors (cavity pressure and temperature) ensure the best processes and parts.

Latest Blog Posts

The Lynx® Stroke/Velocity Sensor is Now More Robust

We are excited to announce that the Lynx® Stroke/Velocity Sensor (LE-R-50) has been redesigned to be even more robust. The new model will function identically to the old version with the same Lynx™ output, ID number, and function but will be less susceptible to noise...

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RJG UK: eDART® V10 Training Course Now Available Online

Are you struggling with a part that you just can’t get quite right? Perhaps one cavity is intermittently shorting, blocking itself off, or the mould tool has cavity balance issues causing dimensional faults? If you’re in injection moulding, then there’s likely to be...

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