Results 21 to 30 of about 8,584,927 (344)

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

Compact design for high precision machine tools

open access: yes, 2022
S.328-334Due to raising functional integration in micro fluidic, micro mechanic, micro electronic and micro optical systems the trend to scaling down the work piece sizes while increasing its complexity requires high precise machine accuracy.
Brecher, Christian   +3 more
core   +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

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

UCSF ChimeraX: Tools for structure building and analysis

open access: yesProtein Science, 2023
Advances in computational tools for atomic model building are leading to accurate models of large molecular assemblies seen in electron microscopy, often at challenging resolutions of 3–4 Å. We describe new methods in the UCSF ChimeraX molecular modeling
Elaine C. Meng   +6 more
semanticscholar   +1 more source

Wear-adaptive optimization of in-process conditioning parameters during face plunge grinding of PcBN

open access: yesScientific Reports, 2022
Polycrystalline cubic boron nitride is a very hard material. Machining of this material is performed by grinding with diamond tools. Due to its high hardness, grinding tools are subjected to severe microscopic and macroscopic tool wear.
Berend Denkena   +2 more
doaj   +1 more source

Influence of the Support Structure on the Bandsawing Process when Separating LPBF Components from the Building Platform

open access: yesJournal of Machine Engineering, 2022
The method of laser powder bed fusion (LPBF) is an additive manufacturing process and allows great freedom of component geometry due to the layer-by-layer structure.
Hans-Christian Moehring   +4 more
doaj   +1 more source

Nanocomposites for Machining Tools [PDF]

open access: yesMaterials, 2017
Machining tools are used in many areas of production. To a considerable extent, the performance characteristics of the tools determine the quality and cost of obtained products. The main materials used for producing machining tools are steel, cemented carbides, ceramics and superhard materials. A promising way to improve the performance characteristics
Daria Sidorenko   +3 more
openaire   +2 more sources

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