Forging manufacturer: how construction machinery forgings are heat treated
Forging manufacturers: metal plasticity processing is usually simple blanking, a process of obtaining the required size and shape through plastic deformation. Good metal plasticity facilitates plastic forming. From the perspective of plastic processing, methods to improve the plastic deformation of metals are discussed. Engineering machinery forging will give you a detailed introduction.
1. The reasonable choice of deformation temperature and deformation speed
Reasonable choice of deformation temperature and deformation speed in the deformation process is important for plastic forming, so as to ensure that the metal has good plasticity in the forming process. If the temperature chosen is too high, the grains will become very coarse and large. If the temperature is too low, then the metal will be work-hardened during deformation. Increasing the resistance to deformation will reduce the plasticity of the metal and lead to severe cracking and deformation. Engineering machinery forgings recommend a reasonable choice of deformation speed for fast-sensitive deformation materials.
2. Forging manufacturer: engineering machinery forgings suggest a reasonable choice of deformation.
The choice of deformation mode directly affects the plastic flow and stress state of the deformed body in the cavity. For example, the billet will be subjected to a large compression force during the deformation process, the better its plasticity. For example, upsetting can be used with a movable collar or sleeve to promote forming, and stretching can be used with anvil seat stretching, which is conducive to forming and improving the efficiency of stretching.
3. Forging manufacturer: improve the consistency of material composition and organization.
The chemical composition and microstructure of ingots are very uneven, and high temperature diffusion and annealing can be carried out before plastic processing to make the microstructure and composition of ingots uniform and improve the plasticity of materials. Engineering machinery forgings tell you that, due to the high temperature homogenization treatment production cycle is long and costly, can be replaced by properly extending the holding time during forging heating. The disadvantage is that the productivity is reduced and coarse particles should be avoided.
4. forging manufacturer: engineering machinery forgings recommended to reduce the degree of uneven deformation.
Uneven deformation of engineering machinery forgings can produce additional stresses, resulting in reduced plasticity and cracks. Common measures to reduce uneven deformation are:Reasonable operating procedures, good lubrication and a suitable work die shape can reduce uneven deformation. If the feed is too long, choose a suitable feed. If the feed rate is too small, the cast billet may be impervious to water and produce additional stresses, which can form core cracks in severe cases. Metal gasket upsetting helps to reduce the bulge shape of the blank and prevents surface cracks.
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