Abstract
A new flexible workholding system is proposed and investigated in this study. The system is capable of holding a workpiece and revealing all of its six faces to a machining tool, without the need of many steps of re-fixturing, re-gaging, and tool resetting during a machining process. This Dual-Dexterous-Vises (DDV) system features two special vises arranged in perpendicular orientation. Each vise has rotary jaws such that a workpiece held in one vise can be rotated and have its four faces revealed to the cutting tool. Engaging the other vise and then releasing the first vise enables the revealing of the remaining two faces. Each jaw contains a set of conformable plungers so that a workpiece with complex shape can be clamped. By rotating and transferring a workpiece between the two vises, a cutting tool can access any position on the surface of the workpiece in one setting. A simplified test prototype was constructed and tested under real cutting conditions. Feasibilities of operational features were demonstrated. Improvements in positioning accuracy and issues in automation and integration with CNC machining processes are discussed. Besides machining, the system can also be applied in other manufacturing processes such as polishing, deburring, and welding.
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References
Korn, D., “See How You Stack Up — Top Shops benchmarking data sheds light on what it takes to be one of the nation’s leading machining businesses,” http://www.mmsonline.com/articles/see-how-you-stack-up.
Kalpakjian, S., “Manufacturing engineering and technology,” Addison-Wesley, pp. 1100, 1992.
Koepfer, C., “Keep Your Spindles Cutting,” http://www.mmsonline.com/articles/keep-yourspindles-cutting.
Krauskopf, B., “Fixtures for Small Batch Production,” Manufacturing Engineering, Vol. 92, No. 1, pp. 41–43, 1984.
Drake, A., “Fixture Design: Working with Modules,” Manufacturing Engineering, pp. 35, Jan. 1984.
Jezowski, R., “President of RAMCO Machine,” Beverly MA, USA, private communication.
Ettori, L., “Rotary vice for rotary table,” US Patent, No. 5261148, 1993.
Cutkosky, M. R., Kurokawa, E., and Wright, P. K., “Programmable Confromable Clamps,” Proc. of AUTOFACT Conference, pp. 11.51–11.58, 1982.
Kurokawa, E., “Flexible Conformable Clamps for a Machining Cell with Applications to Turbine Blade Machining,” Robotics Institute Report Series, Carnegie Mellon University, 1983.
Rakowski, L., “An Intelligent Fixturing System,” http://www.mmsonline.com/articles/an-intelligent-fixturing-system.
ROEMHELD, “Product information of Kostyrka GMBH,” http://www.roemheld.co.uk/product_kostyrka_15.htm.
Asada, H. and By, A., “Kinematic analysis of workpart fixturing for flexible assembly with automatically reconfigurable fixtures,” IEEE Journal of Robotics and Automation, Vol. 1, No. 2, pp. 86–94, 1985.
Bahns, C. H., Barash, D. D., Cescato, D. J., and Schneider, M. L., “The Intelligent Machining Workstation Initiative Final Report,” Cincinnati Milacron Marketing Co., USAF, WRDC-TR-90-8031, January 1991.
Song, H. C. and Song, J. B., “Precision robotic deburring based on force control for arbitrarily shaped workpiece using CAD model matching,” Int. J. Precis. Eng. Manuf., Vol. 14, No. 1, pp. 85–91, 2013.
Tadic, B., Jeremic, B., Todorovic, P., Vukelic, D., Proso, U., Mandic, V., and Budak, I., “Efficient workpiece clamping by indenting coneshaped elements,” Int. J. Precis. Eng. Manuf., Vol. 13, No. 10, pp. 1725–1735, 2012.
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Tsao, CC. Dual-Dexterous-Vises: Preliminary design and tests of a flexible fixturing system. Int. J. Precis. Eng. Manuf. 14, 1407–1414 (2013). https://doi.org/10.1007/s12541-013-0190-z
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DOI: https://doi.org/10.1007/s12541-013-0190-z