ابزار ارتعاشی التراسونیک یک بعدی و دو بعدی

نوع مقاله : مقاله پژوهشی

نویسندگان

دانشگاه کاشان

چکیده

این تحقیق به طراحی و ساخت ابزار ارتعاشی تراش‌کاری و انجام آزمایش‌های مربوط می پردازد. ابتدا ابزار ارتعاشی یک‌بعدی با مود ارتعاشی خمشی طراحی و ساخته شد. ابزار ارتعاشی یک بعدی همراه با پیزوالکتریک‌های نیم‌رینگ به‌منظور تحریک مود خمشی ابزار طراحی گردید. این ابزار توسط نرم‌افزار آباکوس در فرکانس حدود 20 کیلوهرتز طراحی و سپس با توجه به هندسۀ به‌دست آمده توسط اجزای محدود ساخته ‌شد. در بخش بعدی ابزار ارتعاشی دوبعدی با مود بیضوی در نرم‌افزار آباکوس طراحی و سپس ساخته شد. آزمایش‌هایی در عملیات تراش‌کاری به‌کمک ابزار ارتعاشی یک‌بعدی با مود خمشی و دوبعدی با مود بیضوی بر روی مس انجام شد و صحت عملکرد ابزارهای ساخته شده، بررسی گردید. نتیجه آن‌که با استفاده از ابزار ارتعاشی در فرایند تراش‌کاری کاهش چشم‌گیری در نیروی اصلی ماشین‌کاری به‌دست آمد.

کلیدواژه‌ها


عنوان مقاله [English]

One And Two Dimensional Ultrasonic Vibration Tool

نویسندگان [English]

  • Saeid Amini
  • Mohammad reza Khosrojerdi
  • Mehdi Mohammadi mehr
kashan
چکیده [English]

This research is carried out to design and manufacturing of lathe vibration tool and their tests. Firstly, one-dimensional vibration tool is designed and made of the bending vibration mode. One-dimensional vibration tool with half piezoelectric rings is considered to excite the bending mode of tool. Structure of vibration tool is designed in Abaqus software about 20 KHz and then is made with respect to the best obtained geometry of tool for bending vibration mode. Finally, two- dimensional vibration tool is designed and made in Abaqus software for elliptical vibration mode. Also, experiment tests are done in turning operations using one- and two-dimensional vibrating tools with bending and elliptical modes on the copper, respectively and the accuracy of the made instruments is investigated. Results show that vibration tool in turning process reduces the main cutting force

کلیدواژه‌ها [English]

  • One dimensional vibration tool
  • Tow dimensional vibration tool
  • Ultrasonic
  • Vibration tool
  • Turning
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