Optimal CNC Plunger Selection and Toolpoint Generation for Roughing Sculptured Surfaces Cavity

[+] Author and Article Information
Tawfik T. El-Midany, Ahmed Elkeran

Production Engineering and Mechanical Design Department, Mansoura University, Mansoura, Egypt

Hamdy Tawfik1

Technology Development Branch, Specialized Studies Academy, Workers’ University, 25816-Mit Mahmoud, Mansoura, Egypttawfikhtm@gawab.com


Corresponding author.

J. Manuf. Sci. Eng 128(4), 1025-1029 (Mar 28, 2006) (5 pages) doi:10.1115/1.2280873 History: Received May 27, 2005; Revised March 28, 2006

Plunge milling is among the most effective methods of deep core/cavity shaped rough machining techniques. Previous research work had not considered the optimization of plunger selection and toolpoint path. In this paper a new method is proposed (overlapped circles filling (Ocfill)) for optimizing the selection of plungers and toolpoint path generation. The proposed method is used to fill 2D area with a number of overlapped circles. The 2D area is expressed as the feature that being cutting with plunge milling and the circles are plunging holes. The Ocfill method has been implemented in Visual C++. The Ocfill is applied to many examples. The results show that, Ocfill saves rough machining time by significant value up to 28%. This value depends on the shape and complexity of the workpiece that is being cut.

Copyright © 2006 by American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
Figure 1

Calculating the enclosed square and circle

Grahic Jump Location
Figure 2

Resolution of Ocfill grid

Grahic Jump Location
Figure 3

Generation of Ocfill grid

Grahic Jump Location
Figure 4

Tool radius, overlapped value, and uncut and overcut areas

Grahic Jump Location
Figure 5

Single layer cutting

Grahic Jump Location
Figure 6

Applying of GFLS to optimize traveling toolpoint path length

Grahic Jump Location
Figure 7

Rendering of CAD drawing for example (I)

Grahic Jump Location
Figure 8

Ocfill toolpoint path for example (I)

Grahic Jump Location
Figure 9

Photo of final product

Grahic Jump Location
Figure 10

Rendering of CAD drawing for example (II)

Grahic Jump Location
Figure 11

Ocfill toolpoint path for example (II)

Grahic Jump Location
Figure 12

Photo of final product for example (II)

Grahic Jump Location
Figure 13

Plunge-mill toolpoint path for example (II)



Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In