Slide NEW! Mold Transfer for The Hub® Available Now! Read More Launching molds has never been so easy. 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

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.

Transform Your…

Workforce

Trained staff improve product quality, efficiency, morale, and turnover. Our global in-person and online training courses are led by industry experts with real-world injection molding experience.

Process

More efficient processes with less scrap and less downtime means lower cost and better quality. Our full-service, custom technology solutions are built to solve the challenges you face every day.

Business

Gain a competitive advantage through the industry’s latest monitoring software while reducing waste and improving your bottom line. Automated job audit reports and advanced analytics make it easy to know how your facility is performing.

Design and Tool Launch

Reduce waste from art to part with streamlined tool launches so you can start making good parts from the first shot. Or harness our consultants’ expertise to fix ongoing challenges in already established processes.

News

How to Prevent Sink Marks in Injection Molding

How to Prevent Sink Marks in Injection Molding

There are a lot of ways to prevent sink marks from occurring in injection molded parts, and understanding how and why they happen is the first step. Here are 5 ways you can prevent sinks from happening in your injection molded parts.

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NEW Mold Transfer Application on The Hub

NEW Mold Transfer Application on The Hub

The Hub for Mold Transfer allows you to easily transfer molds by automatically generating machine-specific setup sheets, recommending compatible machines, and providing a database to store and share part, mold, and machine documentation across the organization.

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How to Determine Injection Molding Cooling Time

How to Determine Injection Molding Cooling Time

Part cooling is always a function of wall thickness and the material that the design engineer selects. It’s up to the mold design engineer to place the cooling channels in the proper location to allow for a minimum cooling time. As a process engineer, the old adage of “fill as fast as possible consistent with quality” still holds true. If the volumetric flow rate is very low, the chances of packing out a part are slim to none because the material will likely be frozen.

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