Molding & Core Making
Digital Active Clay Measurement by Spectrophotometric Method in Green Sand Foundries
Originally published in Modern Casting: March 2025 In this study, a new test is optimized and evaluated at three foundries to determine viability as an alternative measurement of active clay in working foundry green sand systems. J.R. SPRINGSTEAD, P.J. TAN, S. RAMRATTAN, WESTERN MICHIGAN UNIVERSITY, KALAMAZOO, MICHIGAN; B. RACHWITZ, EJ, EAST JORDAN, MICHIGAN; M. RING,…
Read MoreWhen Dust Collection Becomes a Strategic Advantage in Foundry Sand Systems
When Dust Collection Becomes a Strategic Advantage in Foundry Sand Systems By Jay M. Morrison – Carpenter Brothers, Inc. Walk into any foundry and you’ll see dust everywhere—around shakeout decks, along sand conveyors, in the sand tower, and hanging in the air above a busy muller floor. Foundries move, reclaim, and cool tens of thousands…
Read MoreSilica Sand for Making Molds and Cores
Silica Sand Silica sand has long been the backbone of the foundry industry, serving as the primary material for producing molds and cores. Its unique properties make it a reliable and cost-effective choice for creating high-quality castings across a wide range of metals and industries. Why Silica Sand? Silica sand, composed primarily of quartz (SiO₂),…
Read MoreHow Standard & Calcined Zircon Sand Improve Your Metal Castings
STANDARD & CALCINED ZIRCON SAND Choosing the right sand is critical if you want to produce cleaner, more precise castings. At Carpenter Brothers, Inc., we supply both standard zircon sand and calcined zircon sand — each designed to help foundries cast high-value parts with fewer defects and better surface quality. Below, we break down how…
Read MoreThe Smarter Way to Mix: What You Need to Know About The SandMASTER™ Mulling Mixer by Mixer Systems, Inc.
Mulling Mixer: Innovative Solution for Sand Mixing When it comes to industrial mixing, performance, reliability, and efficiency aren’t just nice to have — they’re essential. Whether you’re running a green sand foundry or producing high-performance precast materials, the equipment you choose sets the tone for everything that follows. At Mixer Systems, they engineer standout solutions…
Read MoreSpecialty Sands
Specialty Sands The use of silica sand as a molding and/or core aggregate is very economical. However, there are occasions where the use of silica sand with conventional binders and additives does not give satisfactory casting results. When expansion defect problems such as veining occur, or if you are experiencing burn-on, metal penetration, or poor…
Read MoreIntroduction to Basic Foundry Practices Seminar
May 14th, 2024, Nenah, WI or May 16th, 2024, Grand Rapids, MI RSVP By May 1st to j.beyer@carpenterbrothersinc.com or call in a reservation to (262) 512-4300
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