Results 51 to 60 of about 51,949 (274)
Shock and Vibration, 2019 The multisource impact signal of rolling bearings often represents nonlinear and nonstationary characteristics, and quantitative description of the complexity of the signal with traditional spectrum analysis methods is difficult to be obtained.
Youfu Tang, Feng Lin, Qian Zou
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History of ball bearings [PDF]
The familiar precision rolling-element bearings of the twentieth century are products of exacting technology and sophisticated science. Their very effectiveness and basic simplicity of form may discourage further interest in their history and development.
Dowson, D., Hamrock, B. J.
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Computer program analyzes whirl critical speeds and bearing loads for shafts coupled by nonlinear springs to machine housing [PDF]
, 1969 Computerized method of analysis predicts bearing loads, shaft deflections, and critical speeds for shafts coupled by rolling contact bearings to the machine housing.
Severud, L. K.
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Advanced Healthcare Materials, EarlyView.This study introduces an innovative approach to treating intervertebral disc degeneration using ultrasound‐triggered in situ hydrogel formation. Proof‐of‐concept experiments using optimized biomaterial and ultrasound parameters demonstrate partial restoration of biomechanical function and successful integration into degenerated disc tissue, offering a ...
Veerle A. Brans +11 more
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Lubricant effects on bearing life [PDF]
Lubricant considerations for rolling-element bearings have within the last two decades taken on added importance in the design and operation of mechanical systems.
Zaretsky, Erwin V.
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Design and testing of liquid hydrogen-cooled, ultrahigh-speed ball bearings [PDF]
, 1969 Large-bore, liquid hydrogen-cooled, ultrahigh-speed, rolling contact bearings of an optimum design allow optimization of large rocket engine turbopumps in which bearing speed is a limiting factor.
Butner, M. F., Wagner, D. A.
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Advanced Healthcare Materials, EarlyView.Radiation‐induced hypothyroidism follows head and neck radiotherapy due to oxidative stress and inflammation. Electrospun polycaprolactone scaffolds containing adenosine have potential to modulate thyroid repair. Scaffolds enhance thyrocyte proliferation, antioxidant enzymes glutathione peroxidase and catalase, reduce senescence and apoptosis markers ...
Maria Heim +5 more
wiley +1 more source
Research on remaining life of rolling bearings for rolling stock
机车电传动, 2023 In order to improve the operational safety and save maintenance costs of rolling stock, this paper focused on the fatigue remaining life of rolling bearings for rolling stock, further investigated their service life rules, and identified the basic types ...
ZHANG Zongfeng +3 more
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Effects of surface removal on rolling-element fatigue [PDF]
The Lundberg-Palmgren equation was modified to show the effect on rolling-element fatigue life of removing by grinding a portion of the stressed volume of the raceways of a rolling-element bearing.
Zaretsky, Erwin V.
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PASSIVE TORQUE SIMULATION OF SMALL ANGULAR CONTACT BEARING AT HIGH SPEED [PDF]
, 2017 Description of common ball bearing torque models was presented and adopted to the complex thermo-mechanical model of the high speed spindle. Ball bearing passive torque was measured on the own high-speed spindle design.
Kekula J., Smolík J., Sulitka M.
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