کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
11012594 1798496 2019 18 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Investigation of vibration effects and tool shape on edge chipping phenomenon occurring during rotary ultrasonic drilling
ترجمه فارسی عنوان
بررسی اثرات ارتعاش و شکل ابزار بر روی پدیده تراشه لبه در حین حفاری اولتراسوند چرخشی
کلمات کلیدی
حفاری اولتراسونیک روتاری، لرزش، تراشه لبه، نیروی برش، روش عنصر محدود شبیه سازی عددی، حالت فشار کششی،
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
چکیده انگلیسی
Rotary ultrasonic drilling (RUD) is non-conventional so called hybrid manufacturing process for hole drilling into materials with specific properties such as brittle materials and composites. RUD is a combination of grinding process by tool with diamond particles on active surface that simultaneously performs axial vibrations with frequency at the ultrasound level. During the hole drilling, the hole bottom thickness decreases and the change in the distribution of the structural parameters (mass, stiffness) of the workpiece occurs. The workpiece structure is exposed to ultrasonic excitation and therefore is subjected to the transition through the various vibration states. These vibration states are considered as one of the important effects that leads to appearance of the edge chipping phenomenon. Although intensive research in this application area is still ongoing, the impact of ultrasonic vibrations as well as the influence of the shape of the contact surface of drilling tool on this phenomenon is still insufficiently analysed. The effects different contact surfaces of drilling tools on the stress-strain states and prediction of edge chipping phenomenon occurring during RUD are analysed in this paper.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Sound and Vibration - Volume 439, 20 January 2019, Pages 251-259
نویسندگان
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