Creation of automatic clamping mechanisms for spindle assemblies of machine tools using a formalized description of structural elements

Authors

DOI:

https://doi.org/10.15587/1729-4061.2022.265191

Keywords:

clamping mechanism drive, clamping chuck, spindle, clamping forces, mechanism structure

Abstract

The characteristics of the functioning of automatic mechanisms for clamping workpieces and cylindrical tools in the spindle assemblies of metalworking machines determine the potential for improving the productivity and quality of processing. The conducted research is aimed at developing new approaches to the creation of automatic clamping mechanisms with qualitatively new and necessary characteristics of their functioning. The formation of new characteristics is achieved by implementing appropriate changes at the structural level of an object. The results obtained provide better opportunities for the development of structures of automatic clamping mechanisms by improving the systematization of a review of an increased number of alternative options for their structural elements. This was achieved by solving the problem of formal description and representation of structural elements operating on the basis of various physical effects within one subject area of the systematization matrix. The results allow strengthening the heuristic potential in the design and involving an extended range of physical effects suitable for effective energy transfer and conversion in the operating conditions of automatic clamping mechanisms. The possibility of describing structural elements as digital codes helps to increase the efficiency of analysis and processing of information of the initial design stages. Using the codes of the selected structural elements, three sequences corresponding to the structures of automatic clamping mechanisms according to the brief descriptions [1.7–2.4]–(1.1–2.3); [1.7–2.6]–(1.1–2.3); [1.7–2.6+1.6/1.7–2.1]–(1.1–2.3) were compiled. On their basis, designs of automatic clamping mechanisms with predictably better characteristics and extended technological capabilities are developed

Author Biography

Borys Prydalnyi, Lutsk National Technical University

PhD, Associate Professor

Department of Applied Mechanics and Mechatronics

References

  1. Thorenz, B., Westermann, H., Kafara, M., Nuetzel, M., Steinhilper, R. (2018). Evaluation of the influence of different clamping chuck types on energy consumption, tool wear and surface qualities in milling operations. Procedia Manufacturing, 21, 575-582. doi: https://doi.org/10.1016/j.promfg.2018.02.158
  2. Hsieh, L.-C., Chen, T.-H., Lai, P.-C. (2014). The kinematic design of mold clamping mechanism with minimal maximum acceleration. Advances in Mechanical Engineering, 12 (6). doi: https://doi.org/10.1177/1687814020926280
  3. Wan, S., Hong, J., Du, F., Fang, B., Li, X. (2019). Modelling and characteristic investigation of spindle-holder assembly under clamping and centrifugal forces. Journal of Mechanical Science and Technology, 33 (5), 2397–2405. doi: https://doi.org/10.1007/s12206-019-0438-3
  4. Xu, C., Zhang, J., Feng, P., Yu, D., Wu, Z. (2014). Characteristics of stiffness and contact stress distribution of a spindle–holder taper joint under clamping and centrifugal forces. International Journal of Machine Tools and Manufacture, 82-83, 21–28. doi: https://doi.org/10.1016/j.ijmachtools.2014.03.006
  5. Alquraan, T., Kuznetsov, Yu., Tsvyd, T. (2016). High-speed Clamping Mechanism of the CNC Lathe with Compensation of Centrifugal Forces. Procedia Engineering, 150, 689–695. doi: https://doi.org/10.1016/j.proeng.2016.07.081
  6. Soriano, E., Rubio, H., García-Prada, J. C. (2012). Analysis of the Clamping Mechanisms of Collet-Chucks Holders for Turning. Mechanisms and Machine Science, 391–398. doi: https://doi.org/10.1007/978-94-007-4902-3_42
  7. Prydalnyi, B. (2021). Mathematical Model of a Backlash Elimination in the New Clamping Mechanism. Lecture Notes in Mechanical Engineering, 109–118. doi: https://doi.org/10.1007/978-3-030-91327-4_11
  8. Estrems, M., Carrero-Blanco, J., Cumbicus, W. E., de Francisco, O., Sánchez, H. T. (2017). Contact mechanics applied to the machining of thin rings. Procedia Manufacturing, 13, 655–662. doi: https://doi.org/10.1016/j.promfg.2017.09.138
  9. Spur, G., Stelzer, C. (1994). Closed-loop Control in Power Operated Three-jaw Chucks. Advancement of Intelligent Production, 271–276. doi: https://doi.org/10.1016/b978-0-444-81901-7.50059-1
  10. Wang, G., Cao, Y., Zhang, Y. (2022). Digital twin-driven clamping force control for thin-walled parts. Advanced Engineering Informatics, 51, 101468. doi: https://doi.org/10.1016/j.aei.2021.101468
  11. Sondar, P. R., Gurudath, B., Ahirwar, V., Hegde, S. R. (2022). Failure of hydraulic lathe chuck assembly. Engineering Failure Analysis, 133, 106001. doi: https://doi.org/10.1016/j.engfailanal.2021.106001
  12. Estrems, M., Arizmendi, M., Cumbicus, W. E., López, A. (2015). Measurement of Clamping Forces in a 3 Jaw Chuck through an Instrumented Aluminium Ring. Procedia Engineering, 132, 456–463. doi: https://doi.org/10.1016/j.proeng.2015.12.519
  13. Neugebauer, R., Denkena, B., Wegener, K. (2007). Mechatronic Systems for Machine Tools. CIRP Annals, 56 (2), 657–686. doi: https://doi.org/10.1016/j.cirp.2007.10.007
  14. Prydalnyi, B., Sulym, H. (2021). Identification of Analytical Dependencies of the Operational Characteristics of the Workpiece Clamping Mechanisms with the Rotary Movement of the Input Link. Acta Mechanica et Automatica, 15 (1), 47–52. doi: https://doi.org/10.2478/ama-2021-0007
  15. Yoshitomi, K., Une, A., Tada, K. (2020). Study of a clamping process with no deformation for a thin substrate using a freezing pin chuck system. Precision Engineering, 64, 45–52. doi: https://doi.org/10.1016/j.precisioneng.2020.03.008
  16. Walter, M. F., Ståhl, J. E. (1994). The connection between cutting and clamping forces in turning. International Journal of Machine Tools and Manufacture, 34 (7), 991–1003. doi: https://doi.org/10.1016/0890-6955(94)90030-2
Creation of automatic clamping mechanisms for spindle assemblies of machine tools using a formalized description of structural elements

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Published

2022-10-30

How to Cite

Prydalnyi, B. (2022). Creation of automatic clamping mechanisms for spindle assemblies of machine tools using a formalized description of structural elements . Eastern-European Journal of Enterprise Technologies, 5(1 (119), 26–35. https://doi.org/10.15587/1729-4061.2022.265191

Issue

Section

Engineering technological systems