کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7227232 1470619 2017 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Quality optimization for aluminum precision forging processes in completely enclosed dies of long forging parts by prediction and avoidance of thin flash generation
ترجمه فارسی عنوان
بهینه سازی کیفیت برای فرایند های دقت آلومینیوم در قالب های کاملا محصور شده از قطعات جعلی طولانی با پیش بینی و اجتناب از تولید فلش نازک
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
چکیده انگلیسی
In this paper, the investigation of thin flash generation in a precision forging process of an aluminum long part using finite elements analysis (FEA) and corresponding forging trials is described. For this purpose, the forging processes were varied by use of different preforms with equal volumes but different mass distributions, while the geometrical parameters of the final part were not varied. The forging processes were analyzed by FEA with focus on the value of the form-filling simultaneity depending on the preform geometry. Afterwards, corresponding forging trials were carried out for validation. The experimentally forged parts were analyzed concerning the amount and location (part area) of the generated thin flash to validate the FEA results. The results of the experiments and the FEA showed good agreement concerning the part areas were thin flash generation was predicted by FEA and actually occurred in experiments. It was shown, that the preform geometry strongly influences the generation of thin flash. Preforms with higher values of form-filling simultaneity showed less thin flash generation while preforms with lower values of form-filling simultaneity showed significantly increased thin flash generation. Based on the results, it is very likely that by using a preform geometry, which would lead to a complete simultaneous form-filling, thin flash generation could be completely avoided under ideal technical conditions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Procedia Engineering - Volume 207, 2017, Pages 484-489
نویسندگان
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