Saleh, ., Abd, A., Bedan, A. (2021). Experimental Investigation of Dimensional Accuracy in Non-traditional Sheet Metal Spinning Process for Producing Rectangular Spun Part. Adab Al-Kufa, 39(9), 1369-1375. doi: 10.30684/etj.v39i9.1974
ِِAmmar M. Saleh; Aseel H. Abd; Aqeel S. Bedan. "Experimental Investigation of Dimensional Accuracy in Non-traditional Sheet Metal Spinning Process for Producing Rectangular Spun Part". Adab Al-Kufa, 39, 9, 2021, 1369-1375. doi: 10.30684/etj.v39i9.1974
Saleh, ., Abd, A., Bedan, A. (2021). 'Experimental Investigation of Dimensional Accuracy in Non-traditional Sheet Metal Spinning Process for Producing Rectangular Spun Part', Adab Al-Kufa, 39(9), pp. 1369-1375. doi: 10.30684/etj.v39i9.1974
Saleh, ., Abd, A., Bedan, A. Experimental Investigation of Dimensional Accuracy in Non-traditional Sheet Metal Spinning Process for Producing Rectangular Spun Part. Adab Al-Kufa, 2021; 39(9): 1369-1375. doi: 10.30684/etj.v39i9.1974

Experimental Investigation of Dimensional Accuracy in Non-traditional Sheet Metal Spinning Process for Producing Rectangular Spun Part

Engineering and Technology Journal
Article 5, Volume 39, Issue 9, Summer 2021, Page 1369-1375  XML PDF (461 K)
Document Type: Research Paper
DOI: 10.30684/etj.v39i9.1974
Authors
ِِAmmar M. Saleh ; Aseel H. Abd; Aqeel S. Bedan
Production engineering and Metallurgy Department ,University of Technology , Baghdad, Iraq.
Abstract
The non-conventional spinning process was adopted for producing polygons, but one of the process limitations is the error between design and the final product especially with no-mandrel. Dimensional accuracy was adopted for this purpose which gives an indicator of the ability of the formed part to matches the design and checking validated of the adopted methodology for producing rectangular cross-section spun parts, by comparing the coordinating points of real part with the points of the design model. The point of a real part was measured by using a sphere probe fixed on the three-axis milling machine and capturing the data of machine axis movements for the center location of the probe, also, the measurements oppositely took place, by offsetting the points of design along the normal vector for comparison with the real part points. Three parameters were invested for study the effects on the dimensional accuracy, these parameters are spindle speed (48, 68, and 135 RPM), feed ratio (0.16, 0.22, and 0.32 mm/rev), and the ball diameter of the forming tool (16, 22 and 25 mm). The results show that tool ball diameter mainly affecting dimensional accuracy with a higher value of average error reach (6.47mm) when 16mm diameter of tool ball was used, on the other hand, the minimum average error was 1.705mm at low spindle speed.

Highlights
  • The non-conventional spinning process for producing polygons cross-section.
  • Dimensional accuracy to check methodology of producing rectangular cross-section.
  • The measure opposite took place by offsetting the design points along normal vector.
  • The NC milling machine was used to obtain the Data (x, y, and z coordinate).
  • Forming ball diameter mainly increases the dimensional accuracy average error.
Keywords
Ball diameter of forming tool; Dimensional accuracy; Feed ratio; Forming; Spindle speed; Non-conventional spinning process
References
 

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