Suche einschränken

Ergebnisse (370)

Sortierung:

Alle Alles auswählen

Seite 13

Kein Zugriff

Auswählen

DER KONSTRUKTEUR

Alle Ausgaben: DER KONSTRUKTEUR

KON Jahrgang 54 (2023) Heft 11-12 ISSN Online: 2747-7215

Treffer in den folgenden Teilen:

Andreas Seegen, Ellen-Christine Reiff Bürstenmotor bewegt Minilabor im All S. 16-18

„… MODULEDie Würfelsatelliten der Cubesat-Serie basieren auf standardisier-ten quaderförmigen Modulen für …” „… auszukommen“, erzählt Aqeel Shamsul. „Nur so konnten wir das Modul in den 3U Cubesat einpassen und …” „… unter weltraum-ähnlichen Bedingungen absolvierten. Am Fallschirm landete das Würfel-Modul nach …”

doi.org/10.51202/2747-7215-2023-11-12

Kein Zugriff

Auswählen

UmweltMagazin

Alle Ausgaben: UmweltMagazin

UmweltMagazin Jahrgang 52 (2022) Heft 9-10 ISSN Online: 0173-363X

Treffer in den folgenden Teilen:

Agri-Photovoltaik für die Energiewende S. 12-14

„… Energiewende vor allem auch deshalb, weil die Module die Sonneneinstrahlung effektiv auch morgens und abends …” „… werden.Die Einstrahlung auf nur eine Modul-vorderseite verringert sich dadurch in der Jahressumme stark …” „… : Next2SunSenkrecht stehende bifaciale Module werden auch privat als Zäune genutzt – wie hier bei einem …”

doi.org/10.37544/0173-363X-2022-9-10

VDI Wissensforum GmbH - International Conference on Gears 2022

Kein Zugriff

Auswählen

VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2022

Reihe: VDI-Berichte

Band 2389 2022

Treffer in den folgenden Teilen:

D. Park, A. Rezayat, Y. Gwen Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque range incorporated with multibody simulations S. 849-862

„… optimization task in the existing multibody simulation environment, some additional calculation modules have …” „… module evaluates the fatigue strength of gears that are in common with multiple gears across the …” „… . 2389, 2022852Normal module ? mm 2.08 3.25 Normal pressure angle ? - 20 20 Helix angle ? deg 33 30 …”

Y. Koch, G. Martin, E. Kirchner, D. Quirnheim Pais, R. Slatter Feasibility study of measuring instantaneous angular speed of helical gears with magnetoresistive sensors S. 253-264

„… sensor combined with a magnet and a high resolution 9 bit interpolation-IC. The Sensor B module is …” „… bench and the National Instruments (NI) data acquisition chassis including modules. The Test bench …” „… National Instruments data acquisition system with the corresponding modules. It synchronizes the …”

G. Hlebanja, M. Hriberšek, M. Erjavec, S. Kulovec Influence of the tooth flank shape on wear for a steel-POM gar pair S. 1295-1304

„… collected in Table 1. Small spur S- and E-gears of module 1 mm, width 6 mm, both gears with 20 teeth, were …” „… , the dedendum-addendum size difference depends on module, number of teeth, pressure angle and gear …” „… same module and number of teeth by measurements of the quality parameters according to DIN 3961/62 on …”

S. Ebrahimi, J. Langhart, D. Marano NVH calculations for drivetrains, a methodology for selection of the best suitable calculation approach for a specific purpose S. 75-90

„… to the minimum peak-to-peak transmission error (PPTE), and secondly the “worst-of-worst" (WOW) design …” „… , by conducting the forced response analysis in the KISSdesign module of KISSsoft, the bearing reaction …” „… peak-to-peak transmission error and subsequently lower excitations to the powertrain system. Introduction The …”

S. A. Bohme, J. Keski-Rahkonen, T. Komssi A standardizable approach to tooth flank fracture S. 371-388

„… shear stress amplitudeM Gear’s midpoint θ, φ Euler anglesmmn Mean normal module ρeq Equivalent radius of …” „… ). Hardness measurements that were carried out during the production of module 5 to 35sized bevel gears …” „… withhigh hardenabilities. Figure 5 compares the hardness profiles for a module 5 and 35 gear according …”

B. James Developing a digital thread linking gear design to manufacturing simulation and metrology S. 185-196

„… , module), root (form diameter, root diameter etc.) and tip (tip diameter, end of active profile, tip …” „… 1: Gear macro-geometry Pinion Wheel Number of teeth 21 63 Normal module 1.5 Pressure angle 20 …” „… . VDI-Berichte Nr. 2389, 2022194 Fig. 8: Peak-to-peak transmission error results for the 3 different …”

B. Guilbert, P. Velex Influence of thin rimmed/-webbed gears on transmission dynamic behaviour – Approximate dynamic factor formula S. 523-532

„… ) solid pinion and (b) lightweight gear Table 1: Gear data Pinion Gear Module m (mm) 2.5 Number of teeth …” „… Profile shift coefficient 0.275 0.320 Fillet Radius / module 0.25 Rim width ? (mm) 52 50 3.2. Solid gear …” „… . Slight deviations can be observed with a peak around 1300-1400 rad/s, not reproduced by the analytical …”

D. Drummer, D. Schubert, C. Herzog In situ measurement of geometric and structural influences on the operating properties of polymer gears S. 1099-1116

„… A wire cut steel pinion and polyamide 66 (PA 66) gears with a geometry according to VDI 2736, module …” „… DIN 867 Pinion Gear Material 100Cr6 PA 66 Ultramid A3K Module 1 mm Pressure angle 20° Number of teeth …” „… MHz using a data acquisition module, type NI 9401 by NI, Austin, Texas, USA. Thus, the experimental …”

S. Reitschuster, C. M. Illenberger, T. Tobie, K. Stahl Application of high performance polymer gears in light urban electric vehicle powertrains S. 1181-1196

„… module mm 2.0 1.5 Profile shift coefficient - 0.20 -0.04 0.31 0.04 Tooth width mm 52 50 19 18 Addendum …” „… loading [1] ? ?? Mass ? ?? Normal module [1] ? Occurring load cycles [15] ? Bearable load cycles …” „… errors during premature and posterior meshing as well as to significant pressure peaks which can lead to …”

J. Theling, M. Willecke, J. Brimmers, C. Brecher Influences on the Excitation Behavior of Lightweight Planetary Gearboxes S. 421-432

„… times the normal module. Only the thick-walled variant was manufactured for the spur gear. The eccentric …” „… / - 28 29Number of teeth ring / - -103 -101Center distance a / mm 112.5 112.5Module mn / mm 3 3Transv …” „… : peak2peak Test Duration = 240 sec.KeyRef. InclinationSkew Carrier Pitch Higher Center …”

C. M. Illenberger, T. Tobie, K. Stahl Operating behavior and performance of oil-lubricated plastic gears S. 1117-1132

„… circumference Fig. 2: Design of plastic test gears [7]Table 2: Test gear geometryPinion GearNormal module (mm) 3 …” „… cycles Normal module [10] V R Power [10] WX 4 O@R Heat transfer resistance of the gear hous-ing [10 …” „… pressure peaks in this area. The use of a tip relief significantly lowers the pressure in the extended area …”

N. Tros, J. Brimmers, T. Bergs Approach for multiscale modeling the thermomechanical tool load in gear hobbing S. 1489-1502

„… of small-module gears. Here, the model must be further optimized in the future. Fig. 3: Comparison …” „… the temperature calculation for an exemplary gear case with a normal module of mn2 = 2.557 mm for a …” „… ferritic-pearlitic steels. Int. J. Mach. Tools Manuf. 77:34–46 22. Kienzle O (1952) Die Bestimmung von Kräften und …”

D. Mevissen, L. Uhlmann, U. Kupper, J. Brimmers, T. Bergs Analysis of friction of bowl-shaped surface structures resulting from alternative gear manufacturing processes S. 1371-1382

„… certain module are not required. Furthermore, the surface structure resulting from the EDM process is …” „… hobs or grinding wheels for a certain module are not required [3]. Furthermore, the machine hammer …” „… through deformation of the roughness peaks, Fig. 5. In the case of the wire-eroded surfaces, the …”

B. Schalley, J. Brimmers, T. Bergs Potential and challenges of profile gear grinding with vitrified bonded cBN S. 1569-1582

„… . 2389, 2022 1569such as internal gears or gears with interfering contours, as well as for large-module …” „… scale)Dressing Tool Rotary diamant dresser withcorner radius rd = 0.5 mm Diameter dad = 160 mmGear Module mn …” „… in peak zone Vmp and reduced peak height Spk. The arithmethic mean height Sa can be used to describe …”

D. Zorko, Z. Bergant, B. Černe Potential of woven carbon fiber reinforced polymer composite gears S. 1071-1082

„… Profile involute, ISO 53 A Module – m [mm] 1 Number of teeth – z 20 Pressure angle – α [°] 20 Face width …” „… , which also coincide with the individual plies and the orientation of the fibers, can be observed. A peak …”

P. Tenberge, R. Uelpenich, P. Dong, R. He Very fast tooth root optimization – general tool geometry for much smaller tooth root stresses S. 457-468

„… without and with protuberance Fig. 2 shows the geometry of a hob cutter for a given module mn and a …” „… peak.However, the curvatures at the points on larger and smaller radii must then inevitably increase, because …” „… %. The average potential for peak-stress reduction was -7.75%. Table 2: The best sets of Bezier-curve …”

A. Hessler, B. Neubauer NVH-performance versus Costs – Coherent R&D for gears, system and manufacturing S. 103-118

„… geometries (module, teeth, etc.). Comparing the curves in Fig. 3, it can be concluded that the differences in …” „… VDI-Berichte Nr. 2389, 2022108 Fig. 12: Heat treatment (HT) - Peanut and Chip “Peanut" and "Chip Effects” are …” „… two (double sine characteristic), but they are not necessarily fully in phase. The radial peanut …”

S. Matkovič, M. Kalin Effect of tribological properties on tooth root fatigue failure of polymer gears S. 1257-1268

„… specifications. Parameter Pinion Gear Material 100Cr6 Delrin 500P Normal module, mm 0.8 Number of teeth 17 22 …” „… load is sheared due to the increased contact ratio. For example, from the peak stress of 98.5 MPa at 25 …”

T.-T. Mac, D. Iba, Y. Matsushita, S. Mukai, T. Inoue, A. Fukushima, N. Miura, T. Iizuka, A. Masuda, I. Moriwaki Application of genetic algorithms for parameters identification in a developing smart gear system S. 239-252

„… , this is a plastic spur gear with 48 teeth, width of 10 mm and module of 1 mm. Instead of using one …” „… coupling signal. To be specific, the shape of the coupling signal changes to two-deep-resonant-peak form …” „… one-deep-resonant-peak form when the sensor state is unhealthy – cracked. In other words, these observations also mean …”

C. A. Celikay, A. Donmez, A. Kahraman An experimental study of parametric resonances of a spur gear pair at speeds above its primary resonance S. 511-522

„… data acquisition chassis, which then finally was fed to the computer using a remote-control module …” „… 4n . Severity of the associated resonance peaks will be demonstrated with a range of torque as well …” „… discontinuities at 3280 and 2885 rpm. In regards to higher subharmonic peaks, such discontinuities are not Fig. 1 …”

A. Gebhard, W. Kassem, M. Oehler Cylinder-on-ring model wear tests as an input data source for the simulation of friction and wear of plastic gears S. 1133-1148

„… [Unit] VDI 2736 size 2 16MnCr5 PA46-GF30 Tooth number [ ] 30 30 Normal module [mm] 2 Centre distance …” „… , T = 10 Nm = 23 °C. Very high peak stresses can be observed at the beginning and end of the meshing …”

W. Kassem, M. Oehler, B. Sauer, S. Schmidt, J. Hausmann Investigation of the time-dependent behavior of plastic gears with local tribological simulation S. 1281-1294

„… Tooth number ? 16 24 30 30 Normal module ? mm 4,5 2 Centre distance ? mm 91.5 60 Pressure angle …” „… , the load is transferred through roughness peaks and the lubricant film in the mixed friction area. The …” „… coefficients. It can be seen that the higher friction coefficient causes a higher peak of the tooth root stress …”

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

„… ? ° 27 Module ? mm 3.91 Helix angle ? ° 15 Active face width (each half) ? mm 21 19 Transv. contact …” „… gear mesh and system dynamics. This peak-to-peak band (see Fig. 6) is used to define the range of load …” „… peak-to-peak value during the test run. The static load share behaviour is well comparable to earlier …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… diameter (mm) 87.52 236.97Mean pitch diameter (mm) 66.96 206.46Mean normal module (mm) 4.57 4.57Number …” „… ] Schlecht, B.: Maschinenelemente 2. Ing. Maschinenbau. Pearson Studium: 2010. [2] Polly, J et al.: An …”

I. Hong, Z. Teaford, A. Kahraman A comparison of gear tooth bending fatigue lives from single tooth bending and rotating gear tests S. 45-74

„… ., 2016, “Increased Tooth Bending Strength and Pitting Load Capacity of Fine-Module Gears,” Gear Technol …” „… oscillation frequencies peaking around 100 Hz. In a STB test, the desired load path is for force to travel …” „… on an unused tooth until failure. The peak load sustained was recorded and associated tooth root …”

doi.org/10.51202/9783181023891

Kein Zugriff

Auswählen

wwt Wasserwirtschaft Wassertechnik

Alle Ausgaben: wwt Wasserwirtschaft Wassertechnik

wwt Jahrgang 70 (2021) Heft 3 ISSN Online: 1438-5716

Treffer in den folgenden Teilen:

Maximilian Werner, Alexander Merz, Stefan Krause Membranbasiertes Filtrationsverfahren zur weitergehenden Behandlung von gereinigtem Abwasser S. 27-32

„… . Neue technologische Maßnahmen auf den Kläranlagen sollen Einträge minimieren. BIO-CEL* L-2 Modul (480 …” „… in den Kontaktreaktor befördert, in dem sich das getauchte UF-Modul (BIO-CEL Modul) befindet. Dort …” „… dosiert. Um Membranfouling und Verblockungen vorzubeugen wird mit der unter dem Modul angeordneten …”

doi.org/10.51202/1438-5716-2021-3

VDI Wissensforum GmbH - PIAE Europe 2023

Kein Zugriff

Auswählen

VDI Wissensforum GmbH (Hrsg.)

PIAE Europe 2023

Reihe: VDI-Berichte

Band 2418 2023

Treffer in den folgenden Teilen:

W. Schijve, R. Bhairi, F. Becker, K. Fischer, M. Emonts Multi-material options for future fire and impact resistant battery casings S. 395-412

„… and g-loads, including 400 kg of battery modules VDI-Berichte Nr. 2418, 2023 397 Stiffness of the lid …” „… into the battery module compartment was used. An important observation is that this load case is a …” „… same time, when clever designing such stiffeners, they will allow more space for battery modules at the …”

G. Gardère, A. Kezmane Composite Material for Automotive Mass Production Applications S. 343-354

„… bumper beam solution. Keywords: Composite materials, organosheet, Front End Module, Lightweighting …” „… , battery casing), front end modules and airflow management solutions (active grille shutters,active air dam …” „… ) References [1] Meskin, I., Da Costa-Pito S., Composite Solution for a Lightweight Front End Module. ATZ …”

doi.org/10.51202/9783181024188

1 ... 12

13

14 ... 74