The same for the car forging, but the Agricultural diesel engine forgings than the general car forgings larger, so this large forgings are basically made of special forging method, such as FM forging method, FML forging method, WHF forging method JTS forging method, TER forging, SUF forging and AVO forging. How is this process forging up reasonably?
It is the use of these special forging method, making the Agricultural diesel engine forgings production process that can also be a smaller forging than to achieve a large forging method for the forging ratio to achieve the forging effect. To know that the raw materials in the process of forging deformation, if the actual process of forging ratio and the total forging ratio is too small, then the Agricultural diesel engine forgings blanks after forming the improvement of the internal quality of the purpose of forging.
However, if the forging ratio of Agricultural diesel engine forgings is too large, it will not only increase the work of the forging process, but also forging the blank performance there will be anisotropy. It is proved that the forging ratio has a more complicated effect on the forging effect of the forging. To ensure the quality of the forging, it is necessary to carry out comprehensive analysis and study according to its specific situation, forging condition and forging process, and adopt reasonable forging ratio.
In determining the forging ratio of Agricultural diesel engine forgings, due to the alloy structural steel ingot than the carbon structural ingot casting defects serious, the required forging ratio should be larger. For example, in the long 5 tons, 15 tons and 30 tons of steel ingots, the carbon steel forging the best forging ratio of 2,2.5,3, and the alloy structure of steel forging the best forging ratio of 3- 4.
In addition, for some of the Agricultural diesel engine forgings in the shaft forging, when the longitudinal direction of the main force, the long forging than 2.5-3 or more; when the main direction of the main force, in order to ensure lateral performance, to avoid the opposite sex, long forging than not more than 3 is appropriate.
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