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On the principle of forging analytical instruments and forging

Forging in the form of many different forms, it should be in different time periods using forging analytical instrument to detect the content of their ingredients. According to the moves of the billet, forging into free forging, upsetting, extrusion, forging, closed die forging, closed upsetting. Closed die forging and closed upsetting because there is no flash, material utilization. A process or processes may complete the complex forgings finishing. Because there is no flash, forging force area decreases, the load is also reduced. However, the forging analytical instrument should be careful not to so that the blank is completely restricted, this should strictly control the volume of the dough, to control the relative position of the forging die and forging measure, efforts to reduce the forging die wear, if necessary, increase the corresponding wear materials, used to enhance the wear resistance of the forging.

Forging is also an external force is applied to the metal blank to produce plastic deformation to change the size, shape, and improve the performance of the process, forging the various properties of the analytical instrument with which the elements contained in the kind and content of the component has a direct link. Therefore, it should be real-time forging analyzer detected categories and specific content of the element, in order to determine the situation of the forging material, and when the temperature exceeds the 300-400 ° C (steel blue brittle region), 700-800 íŠ deformation resistance will dramatically reduce the deformation energy has also been greatly improved. According to the different temperature zones forging for different forging quality and forging process requirements, divided into cold forging, warm forging, hot forging three molding temperature region.

In the cold forging, the forging of the size change is small, the characteristics of forgings substantially no change, each of the chemical content of the component under this condition is detected at this time by forging analyzer. 700 íŠ forging oxide formation and surface decarburization phenomenon. Therefore, as long as the deformation energy in the range of molding, cold forging easy to get a good dimensional accuracy and surface finish. Good temperature control and lubrication cooling, 700 ° C or less warm forging can also get good accuracy. The hot forging deformation and deformation resistance are small, complex forgings forging shape. To obtain the high dimensional accuracy of forging, hot forging forgings analytical instruments can be used in the temperature 900-1000 íŠ.

Forging when the cold deformation and work hardening casting analytical instruments during forging relatively small changes in chemical properties, and have relatively large changes in the physical properties, the forging die withstand high load, therefore, need to use high-strength forged die and prevent wear and bonding hard lubricating film processing method. Further, in order to prevent the blank cracks, when necessary intermediate annealing in order to ensure the required deformation capacity. To maintain good lubrication state blank phosphate. Bar and rod continuous processing section can not be lubricated, is studying the possibility of using the casting method of analysis instrument phosphate lubrication.

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