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- Holmberg, Jonas,1976-Högskolan Väst,RISE,Tillverkningsprocesser,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),RISE, IVF AB, Manufacturing, Argongatan 30, 431 53 Mölndal, (SWE),PTW (author)
Surface integrity investigation to determine rough milling effects for assessment of machining allowance for subsequent finish milling of alloy 718
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- 2021-05-13
- MDPI AG,2021
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:ri-53491
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-53491URI
- https://doi.org/10.3390/jmmp5020048DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-17257URI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- Funding details: VINNOVA, 2018-02976; Funding text 1: Funding: This research was funded by VINNOVA, Sweden’s innovation agency, with grant number [2018-02976].; Funding text 2: Acknowledgments: Thanks for the financed by VINNOVA, Sweden’s innovation agency. Special thanks to GKN Aerospace Sweden AB and Tooltec Trestad AB. The authors also would like to thank the KK-foundation and the SiCoMaP research school.
- The planned material volume to be removed from a blank to create the final shape of a part is commonly referred to as allowance. Determination of machining allowance is essential and has a great impact on productivity. The objective of the present work is to use a case study to investigate how a prior rough milling operation affects the finish machined surface and, after that, to use this knowledge to design a methodology for how to assess the machining allowance for subsequent milling operations based on residual stresses. Subsequent milling operations were performed to study the final surface integrity across a milled slot. This was done by rough ceramic milling followed by finish milling in seven subsequent steps. The results show that the up-, centre and down-milling induce different stresses and impact depths. Employing the developed methodology, the depth where the directional influence of the milling process diminishes has been shown to be a suitable minimum limit for the allowance. At this depth, the plastic flow causing severe deformation is not present anymore. It was shown that the centre of the milled slot has the deepest impact depth of 500 µm, up-milling caused an intermediate impact depth of 400 µm followed by down milling with an impact depth of 300 µm. With merged envelope profiles, it was shown that the effects from rough ceramic milling are gone after 3 finish milling passes, with a total depth of cut of 150 µm. © 2021 by the authors.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Materialteknik Bearbetnings-, yt- och fogningsteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering Manufacturing, Surface and Joining Technology hsv//eng
- Alloy 718
- High volumetric milling
- Machining allowance determination
- Material removal rate
- Residual stresses
- Surface integrity
- Production Technology
Added entries (persons, corporate bodies, meetings, titles ...)
- Wretland, AndersGKN Aerospace Sweden AB, Sweden,GKN Aerospace Engine Systems AB, Trollhättan, (SWE) (author)
- Berglund, JohanRISE,Tillverkningsprocesser,RISE, IVF AB, Manufacturing, Argongatan 30, 431 53 Mölndal, (SWE)(Swepub:ri)johanbe3@ri.se (author)
- Beno, Tomas,1969-Högskolan Väst,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),PTW(Swepub:hv)ttb (author)
- Karlsson, AntonTooltec Trestad AB, Sweden,Tooltec Trestad AB, 461 38 Trollhättan (SWE) (author)
- RISETillverkningsprocesser (creator_code:org_t)
Related titles
- In:Journal of Manufacturing and Materials Processing: MDPI AG5:22504-4494
Internet link
- https://doi.org/10.3390/jmmp5020048Fulltext
- https://www.mdpi.com/2504-4494/5/2/48/pdf
- https://hv.diva-portal.org/smash/get/diva2:1609762/FULLTEXT01.pdffulltext:print
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-53491
- https://doi.org/10.3390/jmmp5020048
- https://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-17257
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