Liber Holdings, Dale Betz Sprue Bushings: A, B, and U Series and How to Read the Catalog Number The sprue bushing is the entry point of the injection mold: it receives molten resin from the machine nozzle and directs it into the sprue and runner system. Because it seats directly against the nozz... Sep 2, 2026 News Tooling Components
Liber Holdings, Dale Betz Core Pin Retainers: Better Core Pin Retention Without Counterbore Stops Core pins are among the most heavily loaded components in an injection mold. They form deep features, bores, and side geometry, and they take injection pressure on every shot. How the pin is retained ... Sep 1, 2026 News Tooling Components
Liber Holdings, Dale Betz Standard Mold Components: DME, PCS & Progressive at Tooling Components Mold bases, ejector pins, leader pins, bushings, interlocks, water manifolds — one call to source them all. Tooling Components stocks standard mold components from three of the most complete lines in ... Aug 27, 2026 News Tooling Components
Liber Holdings, Dale Betz Diamond Compounds for Mold Polishing: Grade, Micron, and Part Numbers A mirror finish on a mold cavity is not one operation — it is a sequence of increasingly fine grades, each removing the scratches left by the last. Jump straight to a fine grade and you polish over de... Aug 27, 2026 News Tooling Components
Liber Holdings, Dale Betz Cashew Gate Inserts: Choosing the Right MIM Gate for Your Shot Weight Cashew gates — named for the curved, nut-shaped tunnel they cut through the mold steel — are the standard way to gate thin-wall parts while leaving a small, easily trimmed vestige. The gate automatica... Aug 27, 2026 News Tooling Components
Liber Holdings, Dale Betz Thread Milling vs. Tapping: Choosing the Right Method for Mold and Die Work Thread Milling vs. Tapping: Choosing the Right Method for Mold and Die Work In mold and die machining, the thread you cut is often the difference between a part that assembles cleanly and a part that ... Aug 18, 2026 News Tooling Components
Liber Holdings, Dale Betz Ejector Pin Tolerances and Finishes: Reading the DMS Spec Sheet An ejector pin that binds, wobbles, or sticks is usually a tolerance problem — and the tolerance story is written on the spec sheet. Every pin catalog prints the same annotation block on each pin page... Aug 17, 2026 News Tooling Components
Liber Holdings, Dale Betz Mold Cooling Circuits: Fittings, Manifolds, and Valves for Balanced Flow Mold cooling performance is decided as much by the plumbing between the mold and the chiller as by the cooling channels themselves. Restrictive fittings, undersized hoses, or a manifold with uneven br... Aug 14, 2026 News Tooling Components
Liber Holdings, Dale Betz Core Pins and Ejector Sleeves: Material, Hardness, and When to Use Each Core pins form the internal geometry of a molded part; ejector sleeves push thin-wall parts off those cores. Both are precision wear components, and their material and hardness classes map directly to... Aug 13, 2026 News Tooling Components
Liber Holdings, Dale Betz Return Pins and Ejector Blades: Alignment and Thin-Wall Ejection Most ejection problems are diagnosed as "the ejector system is binding" or "the ribs are sticking." Both symptoms trace back to components that are easy to overlook: return pins and ejector blades. Re... Aug 13, 2026 News Tooling Components
Liber Holdings, Dale Betz Mold Cooling Baffles: Sizing Straight Brass Baffles for Consistent Core Cooling Waterlines drilled through a mold cool the steel around them — but a long, blind channel has a problem: the coolant enters, flows along the bottom, and returns along the top, and the far end of the ch... Aug 12, 2026 News Tooling Components
Liber Holdings, Dale Betz Core Pins and Ejector Sleeves: Hardness Grades and Applications Core pins create internal geometry in molded parts — holes, bosses, and undercuts. They also take the brunt of injection pressure and mold temperature. Selecting the right hardness grade is the differ... Aug 12, 2026 News Tooling Components
