LAPSE:2024.1303
Published Article
LAPSE:2024.1303
Effect of Choice of Drilling Kinematic System on Cylindricity Deviation, Roundness Deviation, Diameter Error and Surface Roughness of Holes in Brass Alloy
June 21, 2024
This article presents the results of an experimental study on the effect of the selection of kinematic system for the drilling process on the cylindricity deviation, roundness deviation, diameter error and surface roughness of holes in brass alloy. Three different kinematic systems based on the dependence of the direction of rotation of the workpiece and the drill bit were used. The drill bit was mounted in an axially driven holder that allowed it to be put into motion. Cutting tests were conducted at three different spindle speeds and three different feed rates per revolution (27 tests in total). A static ANOVA analysis was used to evaluate the effect of each input parameter on each output parameter. The results of this work have practical applications in machining. The following input parameters of the drilling process should be used to obtain the smallest values of each output parameter: for CYL, n = 4775 rpm, fn = 0.14 mm/rev and KIN III; for RON, n = 4775 rpm, fn = 0.1 or 0.12 mm/rev and KIN II; for DE, n = 3979 rpm, fn = 0.1 mm/rev and KIN I; and for Rz, n = 4775 rpm, fn = 0.1 mm/rev and KIN II. This research work also used Grey Relational Analysis with which input parameter optimization was derived. The optimal drilling parameters are spindle speeds of 4775 rpm, a feed per revolution of 0.1 mm/rev and the use of the first kinematic system. This paper also includes equations for predicting each parameter that describes the dimensional and shape accuracy and roughness of the hole surface. Using the first kinematic system reduced the roughness of the hole surface by as much as 58%. The correct selection of kinematic system improved its dimensional accuracy by 15%. On the other hand, the roundness deviation of the hole improved by 33% and the cylindricity deviation of the hole by 6%.
Keywords
ANOVA, brass alloy, drilling, Grey Relational Analysis, hole quality, kinematic system, surface texture
Subject
Suggested Citation
Bronis M, Krawczyk B, Legutko S. Effect of Choice of Drilling Kinematic System on Cylindricity Deviation, Roundness Deviation, Diameter Error and Surface Roughness of Holes in Brass Alloy. (2024). LAPSE:2024.1303
Author Affiliations
Bronis M: Department of Machine Design and Machining, Kielce University of Technology, al. Tysiaclecia Panstwa Polskiego 7, 25-314 Kielce, Poland [ORCID]
Krawczyk B: Faculty of Mechanical Engineering, Poznan University of Technology, Piotrowo 3, 60-965 Poznan, Poland; Pratt & Whitney Kalisz, Elektryczna 4a, 62-800 Kalisz, Poland [ORCID]
Legutko S: Faculty of Mechanical Engineering, Poznan University of Technology, Piotrowo 3, 60-965 Poznan, Poland [ORCID]
Journal Name
Processes
Volume
12
Issue
1
First Page
220
Year
2024
Publication Date
2024-01-19
Published Version
ISSN
2227-9717
Version Comments
Original Submission
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PII: pr12010220, Publication Type: Journal Article
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LAPSE:2024.1303
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doi:10.3390/pr12010220
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Jun 21, 2024
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Jun 21, 2024
 
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