What are the characteristics of forgings?
Release time:
2024-01-11
Die forging has the significant advantage of saving metal and reducing cutting man-hours, but it will increase some of the costs due to the strengthening of the relevant links of die forging. Therefore, whether the specific product selection die forging process production should be based on the production of finished parts of the comprehensive economic indicators and parts of the structure and performance of the special requirements for comprehensive consideration. It has the following characteristics:
Die forging has the significant advantage of saving metal and reducing cutting man-hours, but it will increase some of the costs due to the strengthening of the relevant links of die forging. Therefore, whether the specific product selection die forging process production should be based on the production of finished parts of the comprehensive economic indicators and parts of the structure and performance of the special requirements for comprehensive consideration. It has the following characteristics:
1) Large weight range. Forgings can range from a few grams to hundreds of tons.
2) Higher quality than castings. The mechanical properties of forgings are better than castings, and they can withstand large impact forces and other heavy loads. Therefore, forgings are used for some important and strong parts.
For high carbide steels, forgings are better than rolled materials. Such as high-speed steel rolling (or forging) only after the change of forging to meet the requirements of use. In particular, high-speed steel milling cutter to change forging.
3) Light weight. Under the premise of ensuring the design strength, the weight of forgings is lighter than that of castings, which reduces the weight of the machine itself, which is of great significance to vehicles, aircraft, vehicles and equipment.
4) Save raw materials. For example, for a crankshaft with a static weight of 17kg used in an automobile, when rolling material is used for cutting and forging, the chips account for 189 of the crankshaft weight, while when die forging is used, the chips account for only 30%, and the machining time is shortened by 1/6. Forging forgings can not only save more raw materials, but also save more machining hours.
5) High productivity. For example, the use of two hot forging presses to forge radial thrust bearings can replace 30 automatic cutting machines. When using the top forging automatic machine to produce M24 nuts, the productivity of the six-axis automatic lathe is 17.5 times.
6) free forging flexibility, therefore, some building plants widely used forging method to produce various accessories.
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