تعیین مسیر فشار بهینه در فرآیند هیدروفرمینگ ورق بااستفاده از روش تبرید تدریجی

نوع مقاله : مقاله کوتاه

نویسندگان

• عباس هاشمی ¹
• محمد حسین پور ¹
• سید محمد حسین سیدکاشی ²

¹ دانشگاه تربیت دبیر شهید رجایی

² دانشگاه بیرجند

10.22067/fum-mech.v28i1.41691

چکیده

در فرآیندهای شکل دهی ورق، تولید قطعات مخروطی-استوانه ای در یک مرحله و با دقت بالا به‌دلیل وجود عیوب چروکیدگی و پارگی بسیار دشوار است. یکی از کاراترین روش ها در میان فرآیندهای هیدروفرمینگ ورق به‌منظور تولید قطعات مخروطی- استوانه ای، روش کشش عمیق هیدرودینامیکی با فشار شعاعی است. در این مقاله مسیر فشار شکل دهی به‌عنوان یکی از مهم‌ترین پارامترهای مؤثر در این فرآیند، مورد بررسی قرار گرفت و در یک روش جدید با ترکیب روش اجزای محدود با استفاده از نرم‌افزار انسیس و بهینه‌سازی با الگوریتم تبرید تدریجی، مسیر بهینۀ فشار به‌دست آمد.

کلیدواژه‌ها

• قطعات مخروطی- استوانه‌ای
• کشش عمیق هیدرودینامیکی
• الگوریتم تبرید تدریجی
• روش اجزای محدود
• مسیر فشار

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عنوان مقاله [English]

Determination of Optimal Pressure Path in Sheet Hydroforming Process using Simulated Annealing Method

نویسندگان [English]

• Abbas Hashemi ¹
• Mohammad Hoseinpour ¹
• Seyed Mohammad Hossein Seyedkashi ²

¹ دانشگاه تربیت دبیر شهید رجایی

² University of Birjand

چکیده [English]

In sheet metal forming processes, one-stage production of conical-cylindrical parts with high accuracy is very difficult due to wrinkling and rupturing. Hydrodynamic deep drawing assisted by radial pressure is one of the most applicable procedures in sheet hydroforming process on the point of producing conical-cylindrical parts. In this paper, forming pressure path is investigated as one of the most important parameters of this process. The optimized pressure path is obtained utilizing a new procedure by combination of the finite element method using ANSYS/LS-DYNA and an optimization method using simulated annealing.

کلیدواژه‌ها [English]

• Conical-Cylindrical Parts
• Hydrodynamic deep drawing
• Simulated Annealing Algorithm
• Finite Element Code
• Pressure path

مراجع

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