Location Optimization of Fixture for Gearbox Housing

6 pages•Published: August 5, 2017

Mihir Dhobi, Ronak Patel and Shashank Joshi

Abstract

An ideal fixture should maximize the stability and locating accuracy of workpiece and also minimize deformations during operation. The present work aims at designing a machining fixture for boring and face milling operations of helical gear boxes and attempts to provide a solution which gives accurate workpiece control. These gear boxes are manufactured as per DIN 3664 with class 6. Generally, the dimensional and geometric tolerances for features are of the order of 20 microns. Hence, the fixture design demands accurate workpiece control. The accurate workpiece control can be obtained by determining the position of locators and clamps which yields minimum deflection of the workpiece. In this paper, optimization of the positions of the locators and clamps is carried out using Genetic Algorithm (GA) with ANSYS Parametric Design Language (APDL). The prediction of the positions of the locators and clamps is done by using Artificial Neural Network (ANN) and Response Surface Methodology (RSM) which is used as input data for Genetic Algorithm. A systematic process is developed to minimize the workpiece elastic deformation and to optimize the locators and clamping positions using Genetic Algorithm and Finite Element Analysis. The procedure developed can be used by industry to develop fixture for any complex geometry of workpiece.

Keyphrases: ann, fixture, genetic algorithm, optimization, rsm

In: Ajitkumar Shukla, J. M. Patel, P. D. Solanki, K. B. Judal, R. K. Shukla, R. A. Thakkar, N. P. Gajjar, N. J. Kothari, Sukanta Saha, S. K. Joshi, Sanjay R. Joshi, Pranav Darji, Sanjay Dambhare, Bhupendra R. Parekh, P. M. George, Amit M. Trivedi, T. D. Pawar, Mehul B. Shah, Vinay J. Patel, Mehfuza S. Holia, Rashesh P. Mehta, Jagdish M. Rathod, Bhargav C. Goradiya and Dharita K. Patel (editors). ICRISET2017. International Conference on Research and Innovations in Science, Engineering and Technology. Selected Papers in Engineering, vol 1, pages 326-331.

Links:	https://easychair.org/publications/paper/2Ndm
	https://doi.org/10.29007/fnjv

BibTeX entry

@inproceedings{ICRISET2017:Location_Optimization_Fixture_Gearbox,
  author    = {Mihir Dhobi and Ronak Patel and Shashank Joshi},
  title     = {Location Optimization of Fixture for Gearbox Housing},
  booktitle = {ICRISET2017. International Conference on Research and Innovations in  Science, Engineering and Technology. Selected Papers in Engineering},
  editor    = {Ajitkumar Shukla and J. M. Patel and P. D. Solanki and K. B. Judal and R. K. Shukla and R. A. Thakkar and N. P. Gajjar and N. J. Kothari and Sukanta Saha and S. K. Joshi and Sanjay R. Joshi and Pranav Darji and Sanjay Dambhare and Bhupendra R. Parekh and P. M. George and Amit M. Trivedi and T. D. Pawar and Mehul B. Shah and Vinay J. Patel and Mehfuza S. Holia and Rashesh P. Mehta and Jagdish M. Rathod and Bhargav C. Goradiya and Dharita K. Patel},
  series    = {Kalpa Publications in Engineering},
  volume    = {1},
  publisher = {EasyChair},
  bibsource = {EasyChair, https://easychair.org},
  issn      = {2515-1770},
  url       = {/publications/paper/2Ndm},
  doi       = {10.29007/fnjv},
  pages     = {326-331},
  year      = {2017}}

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