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Engineering machinery forging

Engineering machinery forgings are forgings made by forging. They are mainly used in engineering machinery, such as engineering excavators, engineering loaders, bulldozers, road graders, cranes, excavators, etc. Engineering machinery forgings are generally forged by die forging. Die forging uses high temperature and high pressure to pressurize metal materials, making forgings more tough and able to withstand huge impacts when the engineering machinery is working.

Application of engineering machinery forging parts

The application of engineering machinery forgings is very extensive. For example, the crawler tracks of excavators are all forged. The crawler tracks are rubbed against the ground all year round and require high wear resistance. Wear-resistant materials can be selected for forging. The hook of the crane is also a die forging. The hook is used to connect objects and cranes, and requires high strength and high toughness. Other engine parts of engineering machinery are also forged.

Advantages of die forging in construction machinery

First, it can achieve mass production. The market demand for construction machinery is huge. Construction machinery accessories are consumables, and can only be mass-produced through die forging.

Second, high precision. When construction machinery is working, high precision is required. Forging can be done by closed die forging, and then high precision can be achieved.

Engineering machinery forging materials

Core considerations for material selection

Mechanical properties: tensile strength, yield strength, elongation, impact toughness, etc.
Wear resistance: suitable for easily worn parts such as bucket teeth and track shoes.
Fatigue resistance: suitable for parts such as connecting rods and gears that bear alternating loads.
Processability: the difficulty of forging, heat treatment and subsequent machining.
Cost factors: select the most economical material while meeting performance requirements.

General materials include 40Cr, 35CrMnSi, 42CrMo, etc.

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