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An Investigation of the Relationship Between Encoder Difference and Thermo-Elastic Machine Tool Deformation

open access: yesJournal of Machine Engineering, 2023
New approaches, using machine learning to model the thermo-elastic machine tool error, often rely on machine internal data, like axis speed or axis position as input data, which have a delayed relation to the thermo-elastic error.
Christian Brecher   +2 more
doaj   +1 more source

Characterization of the Machine Behavior During Hollow Embossing Rolling of Metallic Bipolar Half Plates

open access: yesJournal of Machine Engineering, 2023
The hollow embossing rolling of thin-walled high precision components like metallic bipolar half plates is characterized by narrow process windows. Here, the knowledge of interaction between forming machine, roll and process is crucial for the process ...
Martin Wagner   +5 more
doaj   +1 more source

The Additive-Subtractive Process Chain - a Review

open access: yesJournal of Machine Engineering, 2023
In recent years, metal additive manufacturing developed intensively and became a relevant technology in industrial production of highly complex and function integrated parts.
Hans-Christian Moehring   +4 more
doaj   +1 more source

In‐process image of machine tools – Transient‐thermal and dynamic simulation of moving structures

open access: yesEngineering Reports, 2022
The aim of structural mechanics simulation is to better represent the working accuracy of machine tools. The visualization is done in process, that is, during the machine movement.
Tim Kreißl   +3 more
doaj   +1 more source

Operator Integrated – Concept for Manufacturing Intelligence

open access: yesJournal of Machine Engineering, 2021
Increasing autonomy and sustainability are major goals in manufacturing. Main technological trends provide enablers for achieving these goals and need to be implemented and combined in manufacturing machinery in a suitable manner.
Konrad Wegener   +5 more
doaj   +1 more source

Potential of Tool Clamping Surfaces in Forming Machines for Cognitive Production

open access: yesJournal of Machine Engineering, 2022
High reproducibility of forming processes along with high quality expectations of the resulting formed parts demand cognitive production systems. The prerequisite is process transparency, which can be improved by increased knowledge of interdependencies ...
Mohaned Alaluss   +5 more
doaj   +1 more source

Estimation of External Force-Torque Vector Based on Double Encoders of Industrial Robots Using a Hybrid Gaussian Process Regression and Joint Stiffness Model

open access: yesJournal of Machine Engineering, 2023
Industrial robots are increasingly used in industry for contact-based manufacturing processes such as milling and forming. In order to meet part tolerances, it is mandatory to compensate tool deflections caused by the external force-torque vector ...
Eckart Uhlmann   +2 more
doaj   +1 more source

The Influence of Material Roughness, Hardness and Lubricant Additives on Micropitting Behaviour in Rolling-Sliding Contacts

open access: yesTribology Online, 2020
Regarding micropitting, which is one of the fatigue damages that occur under conditions where the oil film thickness is smaller than the surface roughness, the effects of hardness and roughness of the test piece and differences in lubricants were ...
Takuya Ohno   +3 more
doaj   +1 more source

Detection and Identification of Nonlinear Contact Dynamics at Workpiece Clamping Positions

open access: yesJournal of Machine Engineering, 2023
All mechanical systems behave nonlinearly to a certain extent since there are always reasons for nonlinearities, such as friction and slip effects, in the actual structures.
Qi Feng   +3 more
doaj   +1 more source

Influence of LPBF Parameters and Strategies on Fine Machining of Pre-Built Bores

open access: yesJournal of Machine Engineering, 2021
Additive manufacturing changes the classical possibilities of production. However, post-processing is usually unavoidable for these components to achieve functional performance.
Heiko Teich   +2 more
doaj   +1 more source

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