Liber Holdings, Dale Betz Gate Inserts and Nozzle Tips: Matching Gate Geometry to Resin and Cavity Gate Inserts and Nozzle Tips: Matching Gate Geometry to Resin and Cavity The gate is the last restriction the melt passes through before entering the cavity. Its geometry controls fill rate, pressure ... Sep 22, 2026 News Tooling Components
Liber Holdings, Dale Betz Mold Venting: Depth, Placement, and Common Mistakes in Ejector Venting Mold Venting: Depth, Placement, and Common Mistakes in Ejector Venting Trapped air and gas in a mold cavity cause short shots, burn marks, and weak weld lines. Venting gives that gas a path out of the... Sep 21, 2026 News Tooling Components
Liber Holdings, Dale Betz Ejector Sleeves: When to Use Them and How to Size Them Ejector Sleeves: When to Use Them and How to Size Them Part Ejection Why use an ejector sleeve An ejector sleeve is a hollow tube that pushes a part off a core or a pin. Unlike a solid ejector pin, a ... Sep 11, 2026 News Tooling Components
Liber Holdings, Dale Betz Mold Bushings: Leader, Shoulder, and Guided Ejector Bushings Mold Bushings: Leader, Shoulder, and Guided Ejector Bushings Mold Alignment Why bushing selection matters Bushings guide the moving parts of the mold — the leader pins that align the halves, and the e... Sep 10, 2026 News Tooling Components
Liber Holdings, Dale Betz Leader Pins: Sizing and Selection for Mold Alignment Leader Pins: Sizing and Selection for Mold Alignment Mold Alignment Why leader pins matter Leader pins — also called guide pins — keep the two mold halves aligned as the press closes. If the halves sh... Sep 9, 2026 News Tooling Components
Liber Holdings, Dale Betz Shoulder Ejector Pins vs. Parallel: Configuration and Oversize Repair Two ejector pins can be the same diameter, same material, same hardness — and behave completely differently in the mold. The difference is the configuration : parallel body vs. shoulder body. Parallel... Sep 8, 2026 News Tooling Components
Liber Holdings, Dale Betz Edge Finders and Workholding: Setting Zero Without Guesswork Edge Finders and Workholding: Setting Zero Without Guesswork It is the most repeated action in machining — and the most underestimated. Setting part zero. A 0.001 in error in locating a workpiece repe... Sep 8, 2026 News Tooling Components
Liber Holdings, Dale Betz Ejector Pins: Types, Materials, and How to Read the Part Number Ejector Pins: Types, Materials, and How to Read the Part Number Part Ejection Why ejector pin selection matters Ejector pins push the molded part off the core after each shot. They take the full eject... Sep 8, 2026 News Tooling Components
Liber Holdings, Dale Betz Guided Ejection Support Pillars: Adding Stability to Long-Stroke Ejection Ejection is where a lot of mold damage actually starts. When the ejector plate travels a long stroke or pushes a heavy stack of components, it can rack — tipping slightly under the load and binding in... Sep 7, 2026 News Tooling Components
Liber Holdings, Dale Betz EDM Polishing Stones: AM-8, AS-9, and Orange Grades for Mold Finish Wire EDM and sinker EDM leave behind a recast layer — the thin, hard 'white layer' of resolidified material on the machined surface — along with a heat-affected zone that has to be removed before the ... Sep 7, 2026 News Tooling Components
Liber Holdings, Dale Betz Mold Bases from PCS: Standard and Custom Frame Options Mold Bases from PCS: Standard and Custom Frame Options Mold Bases Why the mold base matters The mold base is the frame that holds every other component — the plates, the cavity and core, the ejector s... Sep 7, 2026 News Tooling Components
Liber Holdings, Dale Betz Knockout Rod Extensions: Hex vs. Round Style and When Each Makes Sense Knockout (ejector) rods transfer the press or machine stroke to the ejector plate, which in turn drives the ejector pins. In many tools the standard knockout rod is not long enough — the machine strok... Sep 3, 2026 News Tooling Components
