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Influence of Air Head Shape on Lifting Force and Stability of Swirl Flow in a Vortex-Type Non-Contact Gripper
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보텍스 방식의 비접촉 그리퍼에서 에어 헤드 형상이 파지력과 스월 유동 안정성에 미치는 영향

논문 기본 정보

Type
Academic journal
Author
Joon Hyun Kim (Seoul National University of Science & Technology) Jaeyong Sung (Seoul National University of Science & Technology)
Journal
The Korean Society of Manufacturing Technology Engineers Journal of the Korean Society of Manufacturing Technology Engineers Vol.28 No.4 KCI Accredited Journals
Published
2019.8
Pages
224 - 231 (8page)
DOI
10.7735/ksmte.2019.28.4.224

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Influence of Air Head Shape on Lifting Force and Stability of Swirl Flow in a Vortex-Type Non-Contact Gripper
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Abstract· Keywords

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A vacuum for non-contact gripping can be generated using a circular air head. The present study has numerically investigated the influence of the air head shape on the vacuum lifting force and swirl flow stability in a vortex-type non-contact gripper. The grip stabilities of swirl and lifting force variations were analyzed according to the air head end-effector, head chamber, and inner column sizes. Results show that the maximum lifting force occurs at a gap thickness of about 0.5 mm . Although in general, the longer the tip length, the larger the vacuum pressure that forms, an optimum tip length exists when considering the lifting force stability as a small head height might lead to unstable swirl flow. To enhance the stability of swirl, the installation of an inner column is an acceptable alternative irrespective of the 20 to 30% reduction of lifting force.
#Non-contact gripper #Bernoulli levitation #End-effector #Swirl flow #Air head #Lifting force

Contents

ABSTRACT
1. 서론
2. 한 방향 gripping을 위한 기술적 접근 원리
3. 해석 모델과 방법
4. 결과 및 고찰
5. 결론
References

References (15)

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Nakazawa, N. / 2001 / Force Control of a Robot Gripper Based on Human Grasping Schemes / Control Engineering Practice 9(7):735~742 google schola Pham, D. T. / 1992 / GRIPPEX : A Hybrid Expert System for Selecting Robot Gripper Types / Int. J. Mach. Tools Manufact 32(3):349~360 google schola Fantoni, G. / 2014 / Grasping Devices And Methods in Automated Production Processes / CIRP Annals-Manufacturing Technology 63(2):679~701 google schola Fantoni, G. / 2014 / Method for Supporting the Selection of Robot Grippers / Procedia CIRP 21:330~335 google schola Sakiv, V. / 2019 / Gasdynamic Analysis of the Bernoulli Grippers Interaction with the Surface of Flat Objects with Displacement of the Center of Mass / Vacuum 159:524~533 google schola

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