作者姓名：Lee

Understanding the ingot mold manufacturing process, from raw material selection to finished product, helps aluminum plants see why not every mold performs the same way in daily production. An ingot mold, much like a sow mold or sow mould built for large-format ingots, starts as a simple non-precision casting, but the steps taken between raw material and finished product determine how well it holds up to repeated pours. This guide walks through how material choice, manufacturing controls, and final inspection come together to produce an ingot mold built for a long service life. Raw Material Selection for Ingot Molds and Sow Molds The manufacturing process for an ingot mold begins well before any metal is poured, with the choice of raw material. Traditional cast steel remains the standard starting point for both ingot mold and sow mold production, offering a dependable balance of strength and cost for plants running standard casting operations. Many aluminum plants now request proprieta

Improving your aluminum recovery rate often starts with the right dross press machine, since how quickly and cleanly you squeeze liquid aluminum out of hot dross determines how much value survives the skimming stage. This article looks at how a well-built aluminum dross press and the dross press equipment around it work together to pull more usable aluminum out of every batch of hot dross before oxidation eats into your yield. Why Dross Oxidation Is the Real Enemy of Recovery? Aluminum dross is not a single, simple substance — it is a mixture of liquid aluminum trapped alongside salts, oxides, and other byproducts, and the moment it leaves the furnace it begins oxidizing in open air. Furnace temperatures at both primary and secondary aluminum plants generally stay under 800 degrees Celsius, while dross itself typically sits somewhere between 700 and just over 800 degrees, well above aluminum’s 660-degree melting point, so the metal inside is still liquid and recoverable if it is

Aluminium plants that have trouble with ingots sticking to the mold usually think the metal is to blame, but the ingot mold is usually the real culprit. This also holds true for a sow mold used to cast big ingots: a rough or broken casting surface makes it much harder to cleanly release a solid ingot. Sticking slows down the casting line, harms the surfaces of the ingots, and makes the mold less useful for a shorter time. This article talks about why ingots stick, how the material of the mold and the state of the surface affect release, and how to handle an ingot mold so that it always works the same way. Why Ingots Stick to the Mold in the First Place? Sticking is almost always caused by the surface of the casting being bad, not by something strange about the aluminium being poured. Over time, an ingot mold that has been heated and cooled many times can get surface roughness, small pits, or breaks in the surface that make it harder for a cooling ingot to slide out smoothly. The same

People who run aluminium plants and want to protect their expensive tools often ask how to make an ingot mold last longer. An ingot mold is a smaller, less precise vessel used to shape molten aluminium into ingots for die-casters and automakers. This is different from a sow mold, which is made to make large standard-capacity ingots that are sold between aluminium plants. Because these molds are heated and cooled many times, how they are chosen, handled, and inspected has a direct effect on how long they last. This guide is based on decades of experience selling ingot molds and sow molds all over the world. It gives useful tips that keep casting operations going smoothly. Selecting Durable Materials to Extend Ingot Mold Life The service life of an ingot mold begins with the material it is cast from. Traditional cast steel remains a reliable choice for aluminum plants, but many operators now specify proprietary DuraCast® materials, engineered specifically to resist the thermal shock and