The well-worn colloquialism, “Think Global, Act Local,” has been around for over 100 years. Different groups such as city planners, environmentalists, and even corporations have adopted the expression to encourage behavior and describe their engagement philosophy. The underlying message is that it is important to have a long term or big picture goal, but action needs to take place where…
As the American Foundry Society rolled out its annual economic forecast in January, the numbers were more encouraging than in recent years. AFS is projecting sales growth of 4.7% in 2018, followed by another 1.8% growth in 2019, for the overall market. Coming on the heels of an estimated 2.7 percent growth in 2017, the industry is looking at its…
Green Sand Casting : Introduction : A commonly used form of sand casting, green sand casting gets its name because wet sand is used in the molding process. A variety of additives like pitch, cellulose and silica flour are used in this process. The aggregate of sand mold consist of mixture like silica, clay, water and other materials are taken for…
Introduction: A commonly used form of sand casting, green sand casting gets its name because wet sand is used in the molding process. A variety of additives like pitch, cellulose and silica flour are used in this process. The aggregate of sand mold consist of mixture like silica, clay, water and other materials are taken for bank sands or lake…
Introduction: Also known as no bake sand casting, the no bake casting is the most sophisticated casting techniques of the modern times. In this process a strong chemical bond is created in the mold that is made from a mixture of sand, quick-setting resin and catalyst. Air set molding, which is a cold setting process, was developed in response to the increasing demand…
Green Sand Molding Green sand is by far the most diversified molding method used in current metalcasting operations. The green sand process utilizes a mold made of compressed or compacted moist sand packed around a wood or metal pattern. The term "green" denotes the presence of moisture in the molding sand, and indicates that the mold is not baked or…
What is Investment casting? In investment casting, a wax or suitable polymer pattern is coated by dipping into the refractory material slurry. Once the refractory material coating is hardened then this dipping process is repeated several times to increase the coating thickness and its strength. Once the final coating is hardened the wax is melted out and molten metal is poured…
Introduction: Since the evolution of mankind, man has used his intelligence and creative instinct to develop things that will reduce his labor. He shaped bowls, tools and weapons out of stones and wood which was naturally found in nature.With the passage of time he discovered other element in nature like gold, silver and copper which were readily available in nature in the…
Introduction: The discovery of metals was the stepping stone towards civilization. The metal are known to man form the pre biblical times and different civilizations used the metal to make products for religious, hunting, weapon, house hold and ornamental purpose. Now, man is dependent on metal for cooking to traveling. A separate department called the metallurgy studies the entire process of…
