VDI Verlag eLibrary

International Conference on Gears 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2355 2019

Treffer in den folgenden Teilen:

E. V. Kozharinov, J. M. Temis Dynamic model of bevel gearing with friction damper S. 635-644

„… on damper preload force has been calculated. Main damper operation modes with different amount of …” „… i-th node in the k-th mode, / – static preload force of the damper at each i-th node, – damper …” „… response of the system by amplitude while preload force vary from to is shown in Fig. 3. At the …”

M. Schrank, C. Kiesewetter-Marko, C. Lopenhaus, A. Epple, T. Bergs, C. Brecher Approach for modeling elasticity in the gear honing process S. 1697-1706

„… , the components of the normal force, the preload force and the normal grinding force cannot be …” „… determined and thus the normal force can be divided into a cutting force and a preload normal force. The …” „… penetration calculation and a process force model were developed. In order to parameterize the force model …”

D. Park, F. Santini, A. Rezayat, T. Tamarozzi, J. Pavel Experimental and numerical investigation of helical gear transmission error under gear misalignments S. 355-366

„… setting a torque preload in the test rig system so that a constant torque is simply maintained during the …” „… support plates, 4. Flexible couplings, 5. Flywheel, 6. Clutch flange for preload VDI-Berichte Nr. 2355 …” „… gears to be placed in the desired relative position without adding reaction forces. Four high-precision …”

F. Siglmuller, U. Weinberger, J. Gotz, M. Sedlmair, T. Lohner, K. Stahl Scaling of planetary gear stages according to gear loss similarity S. 115-126

„… preload on the ring gear: 16700 Nm Those boundary conditions are input values for scaling process …” „… pressure quantifies the load on a gear flank by relating the normal force to the Hertzian contact area. It …” „… factor FN normal force in N z1/2 tooth number pinion/wheel ACKNOWLEDGEMENTS This work was …”

doi.org/10.51202/9783181023556

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XXXVI. Internationales μ-Symposium – Bremsen-Fachtagung

Ralph Meyer (Hrsg.)

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 806 2017

Treffer in den folgenden Teilen:

Günter Leister Wheel - Brake disk - Wheel hub – Requirements to the Wheel Assembly S. 85-96

„… International μ Symposium mined to correspond with the preload force. During series assembly, a specific …” „… loosening, small and strongly scattered preload forces upon re-tightening, and in extreme cases, permanent …” „… fracture under higher dynamic loads due to inadequate preload forces. Designs should be verified through …”

doi.org/10.51202/9783186806123

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16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2296 2017

Treffer in den folgenden Teilen:

F. Calabrese, C. Ludwig, M. Bäcker, A. Gallrein Parameter-Identifikation eines thermomechanischen Reifenmodells basierend auf Flachbahn-Messungen S. 57-76

„… Air thermal conductivity Cornering stiffness: The cornering stiffness ( lateral force gradient between +‐1 ° of …” „… different preloads and camber Contact Patch model Warm Up: Pure rolling at different velocities and preloads …” „… patch model" to identify the Cr parameter (contact patch dimensions at various preloads) And iterate …”

A. Gallrein, M. Bäcker, F. Calabrese Einfluß der Dynamik des Füllgases des Reifens auf Betriebszustände S. 215-232

„… vertical force FFT of a variation of 3 preloads (3000 N, 5000 N, 7000 N) over 3 velocities (20 km/h, 60 …” „… modes of 90° cleat run vertical force PSD’s at preload 2400 N and 90 km/h Within the frequency …” „… forces that are transferred by the tire from road into the suspension. In this load transfer, the tire …”

doi.org/10.51202/9783181022962

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wt Werkstattstechnik online

Alle Ausgaben: wt Werkstattstechnik online

wt Jahrgang 112 (2022) Heft 05 ISSN Online: 1436-4980

Treffer in den folgenden Teilen:

Oliver Jud, Nico Helfesrieder, Armin Lechler, Alexander Verl Vorspannungsnachstellung an Kugelgewindetrieben/Preload adjustment on ball screws – Methods for increasing service life due to automatic adjustment of preload force S. 282-287

„… life due to automatic adjustment of preload forceThe preload is a key factor for ballscrew drives, as …” „… des Integrationsaufwandes sind.Preload adjustment on ball screws – Methods for increasing service …” „… it minimizes backlash and compliance while increasing friction and thus wear. Preload adjustment on …”

Christian Brecher, Florian Kneer, Alexander Steinert, Jakob Weber, Stephan Neus Neuer Simulationsansatz für Maschinenkomponenten/New simulation approach for machine components – Coupled thermo-mechanical calculation of ball screws S. 297-301

„… preload force variation in different working conditions. The International Journal of Advanced …”

doi.org/10.37544/1436-4980-2022-05

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Schwingungen von Windenergieanlagen 2016

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2281 2016

Treffer in den folgenden Teilen:

M. Puff Reducing vibration and noise levels in wind turbines by means of Visco-Elastic-Supports (VES) S. 231-248

„… pressurized viscoelastic Fluid Piston rod seal and bearing Force FDisplacement s L s Fig. 7: Typical …” „… plate (area A, fluid height h) to determine the dynamic viscosity η. The resultant resistance force F is …” „… area A and the plate is moving with the velocity . The resistance force F is the result of the shear …”

doi.org/10.51202/9783181022818

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DRITEV – Drivetrain for Vehicles 2021

VDI-Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2381 2021

Treffer in den folgenden Teilen:

M. Häßler, O. Werner The Pendulum Rocker Damper – Providing flexible damper characteristics for hybrid powertrains S. 329-346

„… appears like a force and the torsional angle like a displacement. Furthermore, some equations are given …” „… corresponding force actuation of the coil springs is realized, which generates a targeted torsional …” „… result of applying the force ? along the actuation ? . The derivative of equation (1) with respect to …”

T. Skubacz, C. Burkhardt, S. Krischke Shift Elements for Electric and Hybrid Drivetrains – Shift elements with low drag losses, high actuation energy efficiency and integrated overload protection S. 487-498

„… ") and require no actuation force in both closed and open state. In the event of an overload, the system …” „… system internal force application mechanisms: The first solution is based on a special bistable …” „… diaphragm spring, while the second solution uses spring preload with a change in spring alignment. 1 …”

doi.org/10.51202/9783181023815

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Reifen – Fahrwerk – Fahrbahn

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2356 2019

Treffer in den folgenden Teilen:

R. Uil, F. Petry, M. Bäcker, A. Gallrein, F. Calabrese Virtual tire pre-development using the CDTire model suite – A feasibility study using the CDTire model suite paving the road towards virtual tire development S. 217-240

„… linearized force/displacement relations can be mostly decoupled into 3 direction related matrices, which …” „… scheme, the solver of the vehicle model is waiting for the tire model when requesting the tire forces …” „… the CDTire/3D model and the measurement data. Fig. 9 shows the lateral force versus the slip angle …”

doi.org/10.51202/9783181023563

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Systematic Derivation of Objective Requirements on Vehicle Steering System

Martin Ralf Münster

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 819 2023

Treffer in den folgenden Teilen:

Requirement-Based Module Design Using Solution Spaces S. 153-188

„… over frequency.• Quasi-stationary preload force which acts radially on the bushing; Remember that …” „… . Finally, the background is colored accordingto the corresponding preload force, which depends on the …” „… PropertyMagnitude Steering TorqueMagnitude Steering AccelerationCentrifugal ForceLocation ImbalanceMass …”

Resulting Subsystem Requirements S. 123-152

„… harmonic forces ofconstant amplitude and zero preload onto the steering rack. The recorded testing …” „… level atthe respective input. This assumption is similar to the one made when assuming that a force-or …” „… torque of the driver, which is negligible at force-less oscillating steering wheelduring straight-line …”

Subsystem Analysis of the Front Axle S. 93-122

„… ondisplacement amplitude and on preload force [98]. This is especially true, if the bushing ismade of …” „… tie-rod, must be left force-less (“free”) orkept motion-less (“fixed”) during the analysis. Moreover, to …” „… excitation force.Figure 5.7 on page 101 shows the complete set of four-pole coefficients of the …”

Subsystem Analysis of the Steering S. 63-92

„… with reference to corresponding four-pole coefficients.4.1.1 Case A: Passive Behavior of the Force-less …” „… the Simplified Steering ModelWith Eqs. (4.26) and (4.28) and assuming Case A (passive, force-less …” „… electric motor) is present,the occurring output velocity v3 at force-less steering wheel (F3 = 0) owing to …”

Conclusion S. 189-194

„… input force amplitudes.Compliance with the required vehicle characteristics can be checked easily after …” „… repetitive subsystem analysis, requirement derivation and subsystem assembly until thenonlinear force at the …” „… characteristics over frequency,displacement and preload.Beyond these concrete examples, the shown methods are, in …”

doi.org/10.51202/9783186819123

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International Conference on Gears 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2389 2022

Treffer in den folgenden Teilen:

E. Lamaj, J. Blomeke, F. Rudolph, J. Hermes A comprehensive, fully parametrized calculation model for improved helical-hypoid gearbox efficiency S. 825-836

„… external forces. The evaluation of the mass calculation results is done manually, yielding critical loads …” „… analyses including hous-ing, bearing clearance, preload and internal geometry are carried out using Rikor …” „… effects and physical phenomena as shown in Fig. 1, resulting from contact profile (1), preload and bearing …”

J. Gotz, F. Siglmuller, M. Furst, M. Otto, K. Stahl Experimental investigation of the dynamic load sharing of planetary gearboxes S. 409-420

„… range. Especially additional dynamic forces, due to operation in high-speed ranges or near resonance …” „… 6336-1 [15] and is calculated based on the individual normal tooth forces of each VDI-Berichte Nr. 2389 …” „… with avoiding axial forces, double-helical planetary gear sets are used in modern high-performance and …”

P. Tenberge, J. Vorgerd, L. Gondecki 2-disc tribometer for various tests on sliding/rolling contacts with tribological loads such as in tooth flank contacts S. 145-156

„… have an electro-mechanical preload-device instead of a hydraulic one and tribologically separated drive …” „… - and test-systems. Furthermore, it will have an integrated measurement device for the friction force …”

doi.org/10.51202/9783181023891

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Schraubenverbindungen 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2403 2022

Treffer in den folgenden Teilen:

T. Kretschmer, A. Wettstein, O. Liewerenz, T. Gwosch, S. Matthiesen Ein selbstlernender Tangential-Schlagschrauber-Regelalgorithmus zur Reduktion der Vorspannkraftstreuung S. 461-468

„… . SLIC is based on measurements of the preload force and screw-in angle curve carried out in preliminary …” „… between the impacts and preload force. Based on the screw-in angle curve, this regression model predicts …” „… the number of impacts to minimize the scatter of the preload force. During the controlled tightening …”

A. Dawood, M. Merten Chancen und Grenzen eines hybriden Schraubverfahrens – Statusbericht S. 35-46

„… build up the de-sired preload force. Additional to optimizing the surface quality, the superposition of …”

W. Lori Bedeutung und Berechnung des Anziehfaktors S. 301-318

„… determining the required bolt size based on the functionally required minimum assembly preload force and thus …”

doi.org/10.51202/9783181024034

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Land.Technik AgEng 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2300 2017

Treffer in den folgenden Teilen:

M. Sieting, J. Krüger, H. J. Meyer Evaluation of a Suspension Concept of a Hydropneumatic Full Suspended Tractor with Focus on the Dymnamics in Combination with Implements S. 281-290

„… forces introduced via the rear three-point linkage have not been investigated for the vehicle concept of …” „… dynamic wheel-load coefficient (DWC) were plotted for three different preload pressures (min.: 50 bar …” „… , basic set-up: 69 bar, max.: 180 bar) of the hydropneumatic suspension. The preload pressure represents …”

doi.org/10.51202/9783181023006

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Gleit- und Wälzlagerungen 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2415 2023

Treffer in den folgenden Teilen:

M. Busch Numerical simulation of rotor and gas-film dynamics in Schaeffler’s foil air bearings S. 221-234

„… that counteracts the destabilizing circumferential forces in the gas film. Using a higher preload …” „… b that the radial bearing uses a multi‐segment design with three bump and three top foils. This approach preloads the rotor and stabilizes it, as will be shown in Sect. 4 …” „… . (2) Here, 𝐹 is the resulting force vector, 𝑀 is the vector of resulting tilting torques and 𝑀 …”

L. Maccioni, F. Concli Flows in Oil-Bath Lubricated Tapered Roller Bearings: CFD Simulations Validated via PIV S. 247-266

„… bearings leads to shear stresses and pressure gradients that generate forces opposing the nominal …” „… ) under a preload of 5 kN. In this way, the optical access has been ensured. The target domain has been …” „… preload and changing the lubrication conditions according to the goal of the study. Naturally, there will …”

doi.org/10.51202/9783181024157

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SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2333 2018

Treffer in den folgenden Teilen:

D. Scheffold, N. Himmelsbach, P. Sabyasachi, G. Müller Efficient dynamic simulation of jointed structures with local contact nonlinearities using model order reduction S. 59-74

„… the application case, the inertia force excited fanfare module (fig. 1). The following two indicators …” „… by a riveted joint. For this work, this riveted joint is replaced by a bolted joint with a preload …” „… nonlinearities for preloaded interfaces is investigated. As the preload of the riveted joint is lower, an …”

doi.org/10.51202/9783181023334

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Dritev – Drivetrain For Vehicles 2018

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2328 2018

Treffer in den folgenden Teilen:

B. Arnold, B. Lecointre Shift simulator for shift feel and quality development of manual transmissions S. I-425-I-440

„… echtzeitfähiges Force-Feedback-System ermöglicht. Dieses Simulationsmodell ermöglicht die Darstellung einer …” „… costumers’ expectations. With a digital model of the transmission a real-time force feedback system is …” „… freedom, one in select direction and one in shift direction. A force sensor was instrumented at the …”

doi.org/10.51202/9783181023280

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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 91 (2016) Heft 09 ISSN Online: 0005-6650

Treffer in den folgenden Teilen:

Michael Volz, Thomas Misiek Schraubenvorspannung im Stahlbau/Prestressing of bolts in steel construction S. 371-380

„… brief introduction of the mechanical effect of preload in a joint as well as a presentation of the …” „… zwischen der Klemmkraft Fc (Index c für clamping force) zwischen den verspannten Bauteilen und der …” „… Schraubenkraft Fb (Index b für bolt force) erforderlich. Beim Anziehen entspricht die Klemmkraft Fc der …”

doi.org/10.37544/0005-6650-2016-09

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