Results 21 to 30 of about 670,771 (266)
Impact of different factors on contact stress of axle box bearing when considering axial load
机车电传动, 2023 As the axle assembly relationship of variable gauge bogie is clearance fit, in which the axle box bearing bears greater axial load compared with the traditional bogie axle box bearing, it is necessary to consider the impact of axial load on bearing ...
LI Zhihua +3 more
doaj
Machines, 2022 Mechanical equipment that will not be reused is defined as disposable machinery. Disposable harmonic drives (HDs) are commonly used in the field of aerospace and are sensitive to payloads.
Yuxin Zhang +3 more
doaj +1 more source
Energies, 2022 The contact problem of a trochoidal gear is a drawback and a well-known performance indicator of a gerotor pump. Although numerical simulations aid in the evaluation of contact stress, the difficult task of determining geometrical parameters, operating ...
Pedro Javier Gamez-Montero +1 more
doaj +1 more source
MetalsConsidering the greater contact stress of turnout rails during wear and the development of heavy-haul railways, twin-disc sliding–rolling wear tests were performed on U75VH heat-treated rail steels applied for turnouts under high contact stress ranging ...
Ruimin Wang +5 more
doaj +1 more source
Finite Element Analysis on Ultrasonic Drawing Process of Fine Titanium Wire
Metals, 2020 Ultrasonic drawing is a new technology to reduce the cross-section of a metallic tube, wire or rod by pulling through vibrating dies. The addition of ultrasound is beneficial for reducing the drawing force and enhancing the surface finish of the drawn ...
Shen Liu +3 more
doaj +1 more source
Frontiers in Mechanical Engineering, 2021 In this study, a method combining numerical surface generation technology and three-dimensional hot-line contact EHL is employed to evaluate the contact characteristics of micro-textured surfaces under high-load line contact.
Jiang Zhao +7 more
doaj +1 more source
Analysis of the Influence of Contact Stress on the Fatigue of AD180 High-Carbon Semi-Steel Roll
MetalsIn this study, to investigate the problem of contact fatigue and the damage mechanism of an AD180 high-carbon semi-steel roll, rolling contact fatigue tests were conducted using specimens cut from the periphery of a roll ring.
Yaxing Liu +5 more
doaj +1 more source
Health Literacy, Self‐Efficacy and Knowledge of Sickle Cell Disease Among Caregivers
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Sickle cell disease (SCD) is a hereditary blood disorder in which abnormal haemoglobin leads to severe anaemia, painful crises and organ failure. Caregivers’ health literacy (HL) – their ability to assess, understand and apply information, and interact with healthcare professionals – is crucial for managing children with SCD, yet ...
Melanie Bruinooge +6 more
wiley +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Survival after relapse in pediatric acute myeloid leukemia (AML) remains poor, highlighting the critical importance of identifying prognostic factors to guide optimal relapse management. Methods We investigated the prognostic impact of multiparameter flow cytometry (MFC) measurable residual disease (MRD) in 188 patients with first ...
Camilla Poulsen +21 more
wiley +1 more source
Research on Forced Friction and Wear of Guide Joint of Downhole Closed-Loop Controlled Bend Sub
Shiyou jixie, 2021 To study the influence of the contact stress, friction and wear of the steel ball in the raceway during the working process of the guide joint, according to the Hertz contact theory, MATLAB software is used to calculate the contact stress between the ...
Zhang Guangwei +3 more
doaj