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Metal Casting Mold Materials: Properties & Smart Selection

Foundry Insights Metal Casting Mold Materials: A Complete Guide to Properties & Smart Selection The mold is not a passive container. The material you pack around your pattern decides how clean the casting comes out, how strong it ends up, and how much it costs you per part. In This Guide Why Mold Material Matters […]

Brass CNC Machining: Proven Techniques & Expert Best Practices

A CNC machine is shown in a workshop next to a sign that reads, "Brass CNC Machining: Techniques & Best Practices. A practical guide to brass CNC machining from the team at C.L. Dews & Sons.

Foundry & Machining Insights Brass CNC Machining: Proven Techniques & Best Practices Brass cuts fast, holds tight tolerances, and finishes beautifully, but only when your alloy choice, tooling, and feeds are dialed in. Here is how our shop floor approaches it. A just-finished brass valve body coming off the mill, with the short comma-shaped chips […]

Custom CNC Machining: A Proven Guide From Prototype to Production

A dark workshop with a clipboard holding technical drawings on a workbench, a metal tumbler nearby, and CNC machine controls in the background. Text overlay reads, "Custom CNC Machining: From Prototype to Production.

Foundry Insights Custom CNC Machining: A Proven Guide From Prototype to Production You sketched a part, ran it through CAD, and now you need real metal in your hand, then a thousand of them next quarter. The leap from a single prototype to a repeatable production run is where most projects either click into place […]

Metal Casting Green Sand: Proven Process, Benefits & Essential Applications

A dark foundry workshop with shelves and equipment; text overlay reads: "Metal Casting Green Sand Process Benefits and Applications. A guide from C.L. Dews & Sons.

Foundry Process Guide Metal Casting Green Sand: Proven Process, Benefits, and Essential Applications Metal casting green sand is the oldest molding method still running in modern foundries, explained here by people who pour into it every day. In This Guide What Green Sand Actually Is The Six-Stage Process Why It Stays Popular Real-World Applications When […]

Metal CNC Machining: Proven Precision Fabrication Solutions

A person operates a CNC machine in a dimly lit industrial workshop. Text on the left reads: "Metal CNC Machining: Proven Precision Fabrication Solutions" with company details for C.L. Dews & Sons.

Foundry Insights Metal CNC Machining: Proven Precision Fabrication Solutions for Complex Projects When a cast part has to meet a tight tolerance, a strict surface finish, and a non-negotiable delivery date, the finishing process matters as much as the pour. Here is how a disciplined approach to fabrication keeps complex parts on spec from raw […]

Sand Metal Casting Process: Complete Manufacturing Guide

Foundry Insights Sand Metal Casting Process: A Complete Manufacturing Guide From pattern preparation and mold packing to alloy pouring and final inspection, this guide walks through the practical steps, material decisions, and quality controls that separate a sound production casting from an expensive piece of scrap. In This Guide What the Sand Metal Casting Process […]

Sand Mold for Metal Casting: Proven Step-by-Step Foundry Guide

A dark-toned foundry workshop with metal gears and machinery parts on a workbench. Text reads: "Sand Mold for Metal Casting: The Complete Foundry Guide. A practical guide by C.L. Dews & Sons.

Foundry & Casting Insights Sand Mold for Metal Casting: A Proven, Complete Step-by-Step Guide to the Sand Casting Process From pattern-making and coreboxes to pouring molten alloy, a sand mold for metal casting is the oldest and still most versatile production route in heavy industry. Here is how the process actually works, what each material […]

3-Axis CNC Machining: Essential Capabilities and Proven Applications (2026)

A promotional slide for C.L. Dews & Sons titled "3-Axis CNC Machining: Capabilities and Applications" featuring a workshop with CNC machines and text about a practical machining guide.

Foundry & Manufacturing Insights 3-Axis CNC Machining: Essential Capabilities and Proven Applications The workhorse of modern manufacturing, this proven process handles the bulk of industrial parts production. Here is a definitive guide to where it shines, where it falls short, and how to specify it intelligently for your next project. In This Guide What the […]

CNC Machining Fundamentals: Essential Principles for Precision Manufacturing (2026)

Promotional graphic for C.L. Dews & Sons featuring the title 'CNC Machining Fundamentals: Precision Manufacturing' alongside an image of a CNC machine in a factory setting.

Foundry & Manufacturing Insights CNC Machining Fundamentals: Essential Principles for Precision Manufacturing From G-code programming to closed-loop feedback control, the fundamentals that drive modern precision manufacturing remain rooted in a few core principles. Here is a practical guide to how it all works, why tolerances matter, and where these processes deliver the most value. In […]

What Is CNC Machining? The Complete Beginner’s Guide (2026)

Text graphic with the title "What Is CNC Machining? Complete Beginner Guide" in white and orange on a black grid background, with a subtitle "Demystify computer numerical control..." and "C.L. Dews & Sons Foundry" at the bottom left.

Manufacturing Fundamentals What Is CNC Machining? The Complete Beginner’s Guide to Computer Numerical Control From a coded program to a precision steel part: a plain-English explanation of how CNC machining actually works, what it can cut, and why it powers modern manufacturing. In This Guide A Plain-English Definition A Brief History Behind the Acronym How […]