Designer’s Edge: How to Correctly Size a Hydraulic Cylinder –...
Randy Kerkstra has continued his series on Hydraulics on moldmakingtechnology.com, and this article focuses on how to size a hydraulic cylinder. In true Randy style, he broke it down into 3 easy to...
View ArticleThe Importance of Gate Geometry – ptonline.com article
The size and shape of the gates used in mold making are often not given the attention they deserve. Randy Kerkstra believes that many of the common assumptions about gate geometry should be...
View ArticleThe Designer’s Edge: Avoiding Cylinder Failure – moldmakingtechnology.com...
Hydraulics are a very important element of successful and effective tooling, and Randy continues his hydraulics focused article series on moldmakingtechnology.com. This article discusses the importance...
View ArticleINJECTION MOLD TOOLING: Designing the Tool for the Material
Designing the tool based on the material to be used is one way that Randy has been able to enlarge his process window, reducing the risk of quality issues. In this article, he addresses many of the...
View ArticleThe Designer’s Edge – Self Locking Cylinders from MoldMakingTechnology.com
Hydraulics and efficient molding go hand in hand. In this recent article on MoldMakingTechnology.com, Randy explains when a self locking cylinder is an attractive and effective option. The basic...
View ArticleTOOLING – Having Trouble with Lifters? ptonline.com
Randy’s latest series on ptonline.com addresses the challenges that many shops face with lifters. Having managed thousands of repairs and preventative maintenance activities every year, he has seen...
View ArticleHydraulic Driven Slides
Using Hydraulic Driven Slides In Injection Molding With the increasing complexity of molds and the parts that they produce, injection molders are forced to maximize the productivity of each tool. In...
View ArticleInjection Mold Tooling – Dealing with Lifters
There are many variables and impacts that lifters can have on your molding process and final parts. Randy Kerkstra recently published an article at the Plastics Technology site (ptonline.com) that...
View ArticleLIFTERS – Their Impact on Tool Maintenance, Repair & Molding
Lifters are a hot topic in injection molding, and Randy is working hard to address many of the major issues being brought up. In this recent article on MoldMakingTechnology.com, he identifies many of...
View ArticleDesign Considerations for In Press Maintenance
Increased productivity and efficiency is a primary goal for almost any molding operation. Performing in mold maintenance is one way to achieve those goals. Obviously, there are a myriad of factors and...
View ArticleAddressing Build-Up In Your Molds
There are many potential contributors to in-mold build up. But the impacts that build up can have on your part and your workflow can be significant. Things like sticking, gloss issues, and visual...
View ArticleNano Coating Infographic!
The infographic below is from our friends at Economy Glass in Australia. It does a nice job of explaining nano coatings, and their impact on manufacturing. Check it out:
View ArticleDesigning Molds for Maintenance & Cleaning
When it comes to designing the mold for a product, there are many factors that have to be taken into account. Part design. materials used for the parts, production volumes, and the list goes on and...
View ArticleFlash Free Molding, Part 3
In this article we will get into issues with tool design with shut-offs, parting line maintenance, and where the machine can contribute to flash. First, I would like to briefly go over how to define...
View ArticleFlash Free Molding
#157770226 / gettyimages.com My name is Randy Kerkstra, and I have been living and breathing injection molding for 26 years. I’m excited about starting this blog to share lessons learned over the years...
View ArticleThe Designer’s Edge – Self Locking Cylinders from MoldMakingTechnology.com
Hydraulics and efficient molding go hand in hand. In this recent article on MoldMakingTechnology.com, Randy explains when a self locking cylinder is an attractive and effective option. The basic...
View ArticleTOOLING – Having Trouble with Lifters? ptonline.com
Randy’s latest series on ptonline.com addresses the challenges that many shops face with lifters. Having managed thousands of repairs and preventative maintenance activities every year, he has seen...
View ArticleHydraulic Driven Slides
Using Hydraulic Driven Slides In Injection Molding With the increasing complexity of molds and the parts that they produce, injection molders are forced to maximize the productivity of each tool. In...
View ArticleInjection Mold Tooling – Dealing with Lifters
There are many variables and impacts that lifters can have on your molding process and final parts. Randy Kerkstra recently published an article at the Plastics Technology site (ptonline.com) that...
View ArticleLIFTERS – Their Impact on Tool Maintenance, Repair & Molding
Lifters are a hot topic in injection molding, and Randy is working hard to address many of the major issues being brought up. In this recent article on MoldMakingTechnology.com, he identifies many of...
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