Steitz, Manuel ; Scheil, Jan ; Müller, Clemens ; Groche, Peter (2013)
Effect of Process Parameters on Surface Roughness in Hammer Peening an Deep Rolling.
In: Key Engineering Materials, Trans Tech Publications, Switzerland, 554-557
Article
Abstract
Abstract: The challenges in die and mold making industry to increase productivity and reduce costs can be addressed by expanding the automation in the process chain. Conventionally the final surface quality is produced by manual polishing operations. This expensive time-consuming production step can be reduced significantly by using machine hammer peening (MHP) and deep rolling (DR). For both processes the emphasis of each process parameter on the resulting surface topographyis largely unknown. This gap of knowledge about significant and non-significant parameters needs to be closed in order to allow a fast process optimization and more economic use of both methods. Therefore this study focuses on figuring out the statistically secured effect of each process parameter on the attainable surface smoothing on cast iron and tool steel. Based on a fractional factorial test design the results of an experimental parameter study are presented and significant parameters are identified. Using a high-speed camera, it may also be proved why an inclination angle between the hammering direction and surface normal is advantageous with regard to the resulting surface quality. Finally, the results are discussed and advices for an industrial use of MHP and DR are given.
| Item Type: | Article |
|---|---|
| Erschienen: | 2013 |
| Creators: | Steitz, Manuel ; Scheil, Jan ; Müller, Clemens ; Groche, Peter |
| Type of entry: | Bibliographie |
| Title: | Effect of Process Parameters on Surface Roughness in Hammer Peening an Deep Rolling |
| Language: | English |
| Date: | 2013 |
| Journal or Publication Title: | Key Engineering Materials, Trans Tech Publications, Switzerland |
| Volume of the journal: | 554-557 |
| Abstract: | Abstract: The challenges in die and mold making industry to increase productivity and reduce costs can be addressed by expanding the automation in the process chain. Conventionally the final surface quality is produced by manual polishing operations. This expensive time-consuming production step can be reduced significantly by using machine hammer peening (MHP) and deep rolling (DR). For both processes the emphasis of each process parameter on the resulting surface topographyis largely unknown. This gap of knowledge about significant and non-significant parameters needs to be closed in order to allow a fast process optimization and more economic use of both methods. Therefore this study focuses on figuring out the statistically secured effect of each process parameter on the attainable surface smoothing on cast iron and tool steel. Based on a fractional factorial test design the results of an experimental parameter study are presented and significant parameters are identified. Using a high-speed camera, it may also be proved why an inclination angle between the hammering direction and surface normal is advantageous with regard to the resulting surface quality. Finally, the results are discussed and advices for an industrial use of MHP and DR are given. |
| Uncontrolled Keywords: | machine hammer peening; deep rolling; surface roughness; parameter study |
| Additional Information: | Proceedings of 16h ESAFORM Conference on Material Forming |
| Divisions: | 11 Department of Materials and Earth Sciences 11 Department of Materials and Earth Sciences > Material Science 11 Department of Materials and Earth Sciences > Material Science > Physical Metallurgy 16 Department of Mechanical Engineering 16 Department of Mechanical Engineering > Institut für Produktionstechnik und Umformmaschinen (PtU) |
| Date Deposited: | 29 May 2013 07:50 |
| Last Modified: | 26 Nov 2020 10:24 |
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