2026 年 8 月 18 日

Material selection sits at the center of every durable sow mold program, and the same logic extends to the smaller ingot mold used further down the supply chain. A sow mold, sometimes written sow mould, is a large casting vessel that must survive repeated thermal cycling without cracking or warping, while an ingot mold performs a related but distinct job on a much smaller scale. This article examines why the right steel grade, alloy, or proprietary material makes the difference between a sow mold that lasts for years and one that fails prematurely on an aluminum plant floor. Why Material Selection Defines Sow Mold Performance? Every sow mold operates under repeated exposure to molten aluminum, and the material behind that mold determines how well it resists thermal fatigue over thousands of pour cycles. A sow mold, or sow mould, cast from an inferior steel grade will develop surface cracking far sooner than one produced from a properly specified alloy, and once cracking begins, the mo

The ingot mold is a tiny casting vessel that is utilised across the aluminium industry for the purpose of solidifying molten metal into blocks that are more controllable for subsequent remelting. The ingot mold is designed to accommodate smaller batches that are destined for die-casters and car manufacturers. This is in contrast to the sow mold or sow mold, which is designed to handle the significantly higher volumes of aluminium that are moved between primary and secondary aluminium facilities. This article provides an explanation of what an ingot mold is, how it differs from a sow mold, and the factors that purchasing experts ought to take into consideration when sourcing ingot molds and sow molds for their aluminium plant operations. These factors range from the fundamental function to the long-term value of the provider. What Is an Ingot Mold and How Does It Work? An ingot mold is a very tiny casting vessel that can normally store tens of kilograms of molten aluminium. This is in

During aluminum dross recycling, hot dross is skimmed from molten aluminum, collected in a pan set, and loaded into an aluminum dross press — also known as a dross press machine — where it is compressed automatically to squeeze out the residual liquid aluminum. This dross press equipment stops oxidation by cutting off contact with air and recovers aluminum that would otherwise be lost. The pressed dross can be further processed downstream using physical or chemical methods. The entire operation typically takes around 10 to 15 minutes per cycle and can run continuously in an active aluminum smelting facility. How Does Hot Dross Form in an Aluminum Smelting Facility? When aluminum is melted in a furnace — typically at temperatures between 700°C and 800°C — its surface reacts with atmospheric oxygen to form aluminum oxide. This layer, combined with salts, flux residues, and other trace materials in the melt, accumulates as a floating layer known as dross. Operators skim this dross away f