Cast in Green Sand Molds
Gray Iron, named so because of the gray color it displays when fractured. This is primarily due to the presence of graphite within. Based on its weight, cast iron is the most widely used cast material. It is also the most common of the cast irons used. Gray iron castings offer a multitude of uses.
When stiffness is more important than tensile strength, Cast Iron’s ability to resist deformation in response to an applied force such as internal combustion, it is ideal for making components such as engine blocks, valve bodies, pump housings, etc.
Very common as an engineering alloy, Gray Iron is typically low in cost. It is also machine friendly, this is a result of the graphite becoming a lubricant, which allows the cut to become lubricated and the chips to breakup. Other benefits of using Gray Iron is galling, wear resistance, damping capacity, less solidification shrinkage, easy to weld, etc.
Because of some of Gray Iron’s characteristics, such as, strength and ductility, its shock and impact resistance are nearly non-existent when compared to more modern iron alloys.
Machine Shop Utilizes Forging Press to Reduce Costs of Titanium Parts
To produce complex titanium parts more cost-effectively, machine shops are increasingly incorporating advanced forging equipment to complement their existing CNC capabilities to create near-net-shaped parts that only require minimal machining. In some cases, the forging process is so precise that no additional machining is required. There are significant advantages to include forging in a machine […]
Factors that affect sand compactability
To truly understand certain aspects of sand compactability, it is important to know the simple science behind it. Let\’s get started without further ado! Do you periodically send green sand to an outside lab for testing to compare testing results? If you do, you must have noticed that their moisture content is similar to your […]
Controlling Conditions for Cupola Melting
Iron oxide threatens all iron-melting processes. In cupola melting, much greater amounts of iron oxide are produced during the normal melt cycle than are produced in electric furnace melting. This makes iron oxide’s effect much more pronounced in cupola melting. In EF melting, 20%-30% oxidation loss is the extreme of losses encountered. In cupola melting, […]
Investment Casting 101
Thousands of years ago duplicate metal structures were cast from an original sculpture by the lost-wax casting process. Investment casting is one of the oldest metal-forming techniques based on this lost-wax casting process. A beeswax pattern is coated with refractory ceramic material, which then hardens and takes the shape of the casting. The ceramic mold […]