Auflistung nach Autor/in "012ce5b9-5479-47a5-8ce9-7c5d6b63a3bd"

Auflistung nach Autor/in "012ce5b9-5479-47a5-8ce9-7c5d6b63a3bd"

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  • Chip formation in machining metal bonded grinding layers 
    Denkena, Berend; Grove, Thilo; Suntharakumaran, Vino (Amsterdam : Elsevier B.V., 2018)
    Gears demand increasingly high quality regarding acoustic emissions, surface roughness and lifetime. Therefore, grinding is often the last step in the process chain of gear manufacturing. Grinding wheel grain sizes of 30 ...
  • Correlation between process load and deep rolling induced residual stress profiles 
    Denkena, Berend; Grove, Thilo; Breidenstein, Bernd; Abrão, A.; Meyer, K. (Amsterdam : Elsevier B.V., 2018)
    Deep rolling is often used as a finishing step after cutting because of its beneficial influence on surface and subsurface properties, which lead to an increase in performance and lifecycle behavior. This manufacturing ...
  • Direct Part Marking by Vibration Assisted Face Milling 
    Denkena, Berend; Grove, Thilo; Seibel, Alexander (Amsterdam : Elsevier, 2016)
    Critical or safety components have to be identified during maintenance especially if exposed to harsh conditions during the time of operation. Direct part marking (DPM) is a process to permanently mark parts with product ...
  • Energy consumption characterization in precision hard machining using CBN cutting tools 
    Grzesik, Wit; Denkena, Berend; Żak, Krzysztof; Grove, Thilo; Bergmann, Benjamin (London : Springer, 2016)
    In this paper, the contribution of tool wear to the energy balance was determined for precision hard turning using chamfered CBN cutting tools. The tool nose wear VBC and the corresponding changes of component forces Fc, ...
  • Enhanced grinding performance by means of patterned grinding wheels 
    Denkena, Berend; Grove, Thilo; Göttsching, Tim; da Silva, Eraldo Jannone; Coelho, Reginaldo Teixeira; Filleti, Remo (London : Springer Verlag, 2015)
    In this paper, a new and innovative method for the patterning of grinding wheels is presented. The patterns are machined with a patterning tool by using fly-cutting kinematics. By changing the patterning process parameters, ...
  • Grinding of riblets with "beaver tooth" multi-layer tools 
    Hockauf, Rolf; Asadi, Esmail; Denkena, Berend; Grove, Thilo; Wurz, Marc Christopher (Amsterdam : Elsevier B.V., 2018)
    To reduce friction in turbo machinery components, riblets are induced on compressor blades or pump impellers. Here, the grinding process enables a higher productivity in machining of riblet structures compared to knurling, ...
  • Increased performance in high speed turning of Inconel 718 by laser structuring of PcBN tools 
    Denkena, Berend; Grove, Thilo; Krödel, Alexander; Ellersiek, Lars (Amsterdam : Elsevier B.V., 2018)
    In order to improve the cutting performance of PcBN tools, the cutting edge is prepared e.g. by grinding or brushing. Since PcBN is the second hardest material besides diamond, mechanical preparation of PcBN tools is ...
  • Inverse determination of constitutive equations and cutting force modelling for complex tools using oxley's predictive machining theory 
    Denkena, Berend; Grove, Thilo; Dittrich, Marc-André; Niederwestberg, D.; Lahres, M. (Amsterdam : Elsevier, 2015)
    In analysis of machining processes, finite element analysis is widely used to predict forces, stress distributions, temperatures and chip formation. However, constitutive models are not always available and simulation of ...
  • Machining of Micro Dimples for Friction Reduction in Cylinder Liners 
    Denkena, Berend; Grove, Thilo; Schmidt, Carsten (Amsterdam : Elsevier B.V., 2018)
    In combustion engines a large percentage of mechanical losses result from friction, for example within the cylinder liner. In order to reduce the friction between cylinder liner and piston, micro dimples in the surface ...
  • Material removal and chip formation mechanisms of UHC-steel during grinding 
    Denkena, Berend; Grove, Thilo; Göttsching, Tim (London : Springer, 2017)
    The grinding process is still an important manufacturing process for the machining of automotive components. For power train components, ultra-high carbon steel (UHC-steel) is a promising new innovative alloy because of ...
  • Material Removal Mechanisms in Grinding of Mixed Oxide Ceramics 
    Denkena, Berend; Busemann, Sarah; Gottwik, Lukas; Grove, Thilo; Wippermann, Andi (Amsterdam : Elsevier BV, 2017)
    The technological basis for a cost-effective and reliable grinding process of mixed oxide ceramics requires a fundamental understanding of the prevailing grinding mechanisms to maintain surface quality and strength ...
  • A New Tool Concept for Milling Automotive Components 
    Denkena, Berend; Grove, Thilo; Krödel, Alexander (Amsterdam : Elsevier, 2016)
    Due to the rising number of car variants, the production systems in automobile industry are driven by a strong demand for flexible production processes. In the production of thin-walled workpieces, forming and cutting ...
  • A novel tool concept for roughing and finishing operations 
    Denkena, Berend; Grove, Thilo; Ellersiek, L. (Amsterdam : Elsevier B.V., 2018)
    In this paper, a new tool concept suitable for simultaneous roughing and finishing operations is presented. The developed end mill has two radial recessed roughing teeth with a flank face chamfer and two sharp finishing ...
  • Porous metal bonds increase the resource efficiency for profile grinding 
    Denkena, Berend; Grove, Thilo; Suntharakumaran, Vino (Amsterdam : Elsevier, 2018)
    Profile grinding is irreplaceable for the machining of various brittle and hard workpieces, e.g. cutting tools for milling and drilling, seal components made of ceramics and bearing components. Grinding is rather inefficient ...
  • Porous metal bonds increase the resource efficiency for profile grinding II 
    Denkena, Berend; Grove, Thilo; Dittrich, Marc-André; Suntharakumaran, Vino (Amsterdam [u.a.] : Elsevier, 2019)
    Profile grinding is irreplaceable for the machining of various brittle and hard workpieces such as cutting tools, i.e. milling and boring tools, seal components made off ceramic as well as bearing components. Regarding the ...
  • Prediction of Ground Surfaces by Using the Actual Tool Topography 
    Hockauf, Rolf; Böß, Volker; Grove, Thilo; Denkena, Berend (Basel : MDPI, 2019)
    This paper presents a prediction model for ground surfaces that uses the actual grinding wheel topography to perform a grinding simulation. Precise knowledge of expected machined surfaces plays an important role in process ...
  • Prediction of the Principal Stress Direction for 5-axis Ball End Milling 
    Böß, Volker; Grove, Thilo; Denkena, Berend; Mücke, A.; Nespor, D. (Amsterdam : Elsevier, 2016)
    While regenerating damaged components, e.g. compressor blades, the removal of excess weld material called re-contouring often determines the surface integrity including the residual stress state. A load-specific residual ...
  • Residual stresses in grinding of forming tools with toric grinding pins 
    Grove, Thilo; Lucas, Henning; Denkena, Berend (Amsterdam : Elsevier B.V., 2018)
    The subsurface residual stress state of forming tools is an important factor for the lifetime of these tools. This is especially important for tools used in processes like sheet-bulk metal forming, where very high process ...
  • Residual stresses in milled β-annealed Ti6Al4V 
    Grove, Thilo; Köhler, Jens; Denkena, Berend (Amsterdam : Elsevier, 2014)
    Residual stresses can cause part distortion especially in the case of large components such as structural parts in aerospace industry. Therefore, this paper investigates the machining induced residual stresses for milling ...
  • Resource Efficient Regrinding of Cemented Carbide Milling Tools 
    Denkena, Berend; Grove, Thilo; Theuer, Mirko; Liu, Yanwei (Amsterdam : Elsevier B.V., 2018)
    Cemented carbide tools are often used for milling operations that cause high thermal and mechanical process loads, e.g. machining processes for titanium alloys. However, the disposal of those tools after one life cycle ...