کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1679335 | 1010260 | 2014 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The effects of tool edge radius on drill deflection and hole misalignment in deep hole gundrilling of Inconel-718
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موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی صنعتی و تولید
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: The effects of tool edge radius on drill deflection and hole misalignment in deep hole gundrilling of Inconel-718 The effects of tool edge radius on drill deflection and hole misalignment in deep hole gundrilling of Inconel-718](/preview/png/1679335.png)
چکیده انگلیسی
Straightness control in gundrilling of deep, thin-walled holes on Inconel-718 is challenging due to insufficiently explored phenomena governed by the tool edge radius effects. Such effects are activated by conservative drilling conditions for Inconel-718, which transforms the chip formation mode to a thrust-dominated mechanism. Critical changes in force generation are thus resulted, which affect the characteristics of drill deflection and thin wall deformation. In consequence, the drill's self-piloting capability deteriorates – leading to uncontrollable deflection and hole misalignment. A mechanistic model uniting the underlying force, drill deflection, wall deformation and process kinematics is proposed and substantiated, as well.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: CIRP Annals - Manufacturing Technology - Volume 63, Issue 1, 2014, Pages 125–128
Journal: CIRP Annals - Manufacturing Technology - Volume 63, Issue 1, 2014, Pages 125–128
نویسندگان
K.S. Woon, A. Chaudhari, M. Rahman, S. Wan, A. Senthil Kumar,