مروری بر نقش پارامتر‌های موثر بر خمکاری کششی دورانی لوله

نوع مقاله: مقاله علمی ترویجی

نویسندگان

دانشکده مکانیک، دانشگاه گیلان، ایران

چکیده

فرآیند خمکاری لوله‌ها در صنایع کاربرد فراوانی دارد و با پیشرفت‌های اخیر و لزوم استفاده از تجهیزات مستحکم و کم وزن، پژوهش‌های بسیاری در مورد انواع روش‌های خمکاری لوله‌ها توسط محققین انجام شده‌است. خمکاری کششی دورانی ، یکی از متداول‌ترین روش‌ خمکاری لوله‌هاست. در این فرآیند با استفاده از مجموعه‌ای از قالب‌ها، لوله به قالب خمکاری فشرده شده و با حرکت دورانی آن و ایجاد کشش ناشی از نیروهای تماسی بین قالب‌ها، خم می‌شود. هدف این مقاله مرور تحقیقات اخیر در مورد روش فوق و پارامتر‌های موثر بر آن است. از بین این پارامتر‌ها می‌توان به مشخصات هندسی و مکانیکی لوله، ضریب اصطکاک و لقی بین سطوح لوله و قالب‌ها اشاره کرد که هرکدام تاثیر متفاوتی بر کیفیت و احتمال بروز عیوب در لوله دارند و نیازمند بررسی جداگانه هستند و با شناخت نحوه اثرگذاری آن‌ها و با یک طراحی مناسب براساس آن می‌توان لوله را با کیفیتی مطلوب، خم نمود.

کلیدواژه‌ها

موضوعات


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[٣٣] ﻛﻤﻚﻣﻌﯿﺎرﮔﻠﻮﯾﯽدرﺧﻢﻛﺎریﻛﺸﺸدوراﻧﻫﯿﺪروﻟﯿ.ﻣﻬﻨﺪﺳﻣﺎﻧﯿ ﻣﺪرس،ﺟﻠﺪ.۵،ش.۶١،ص٣٢١ ‐ ۴٣١،۵٩٣١ .

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