Mold Maintenance

Tooling: Why Ejector Pins Break and How to Prevent It, Part 3
Here we focus on forces, friction, surface finish, and lubrication.

Tooling: Why Ejector Pins Break And How to Prevent It, Part 2
Here’s the when and how to reduce the unsupported length of pins.

Tooling: Why Ejector Pins Break...and How to Prevent It, Part 1
In part one of this four-part series, we focus on the molding machine and the ejection system as culprits.

Tooling: Hot Sprues—Mold a Disk or Not?
Having a hot sprue shut off against the parting line versus intentionally molding a thin disk has been the subject of controversy for many years.

How Sprue Pullers Help Prevent Molding Issues: Part 2
A vital secondary function of sprue pullers is to act as a cold well to trap solidified material left in the machine-nozzle tip.

Tooling: Dealing with Sprue Bushings On the Production Floor
Causes of and solutions to some problems you probably deal with every day.

Locating Rings, Platen Damage, and the Center of Gravity: Part 3
Selecting the right locating ring and putting it to good use takes careful consideration.

Locating Rings and Platen Damage: Part 2
Selecting the right locating ring and putting it to good use takes careful consideration.

A Better Way
A well-run preventive maintenance program can actually help you make money.

Solving Issues with Gloss
Your problem may be related to tooling, material, processing, or combinations thereof. Here’s how to find the root cause.