How to Calculate the Compaction Degree of Automotive Forgings? Please provide an actual production case and write an article.
The compaction degree of automotive forgings refers to the density achieved by the metal material during the process of being extruded and deformed by force in the forging production process. Simply put, it is a manifestation of the degree of closeness between metal molecules inside the forging.
So how to calculate the compaction degree of automotive forgings? Here we take the bearing flange of a certain model produced by a certain auto parts factory as an example to explain:
- Sample preparation First, a standard bearing flange needs to be taken out from the production line as a sample, and its size must meet the technical requirements. After taking out the sample, it needs to be ultrasonically inspected and quality inspected to ensure that its quality meets the requirements. At the same time, a sufficient number of samples need to be taken from different parts of the sample for subsequent experimental operations.
- Experimental device preparation The sample is evenly divided into six equal parts by the center of the sample, and a position is selected for each part for the experiment. The sample is compacted by a hydraulic press, and the maximum pressure value applied by the hydraulic press and the time during the extrusion process are recorded.
- Compaction degree calculation According to the experimental data obtained, the compaction degree of different parts of the bearing flange can be calculated using the following formula: Compaction Degree = Sample Density / True Density x 100% Where the sample density can be calculated by weighing and measuring the size, and the true density is estimated by the experimenter.
- Analysis of experimental results Through the above experiments, we can obtain the compaction degree data of different parts of the bearing flange. By considering these data comprehensively, we can determine whether the compaction degree of each part of the product meets the technical requirements. If not, the forging production process needs to be adjusted to ensure product quality.
In summary, the compaction degree of automotive forgings is a very important indicator, which directly affects the mechanical properties and service life of parts. Therefore, it is necessary to use scientific methods to test and inspect it strictly in the production process.
