Gear castings are also known as cast steel gears. This is because most of the gears are made of cast steel. Here, I share some information about the production of gear castings and related heat treatment. The weight of gear castings typically ranges from a few kilograms to several tons.
Gear casting materials are usually made of high carbon cast steel, and some alloy steels containing chromium, nickel and molybdenum are used to achieve high tensile strength. Usually the large gear has a lower physical demand than the pinion.
Regarding the casting process, the floor forming process is usually applied and can meet normal needs. As for cast steel gears, such as driven gears, gears and idlers, the use of quartz sand for the floor forming process is a good choice. Why, because most parts of the gear need to be machined. So you don't need to use a higher casting process. In addition, regarding medium and large steel castings, the floor molding process using quartz sand is almost the only option.
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