نتایج جستجو برای: bushing

تعداد نتایج: 238  

ژورنال: مهندسی دریا 2007
راشد, غلامرضا, قاجار, رحمت الله, هاشمی, سید جلال الدین,

During the offshore drilling operations by drillships or semisubmersible vessels the drillstring in its first drilljoint to the Kelly suffers bending due to float vessel roll or pitch. The cyclic bending stress at any point along the drillstring, is a function of the roll or pitch angle, Kelly position in bushing, and hookload. The cumulative fatigue damage of the drillpipe due to cyclic stress...

Journal: :Journal of Materials Engineering and Performance 2022

Abstract To combine the advantages of two materials, hybrid bulk metal workpieces are attractive for subsequent processes such as forming. However, materials rely on initial bond strength effective transfer applied loads. Thus, a non-destructive evaluation bonding along production process chain is high interest. evaluate to what extent testing can be employed monitor quality between joining par...

Journal: :The Journal of bone and joint surgery. British volume 2005
M A Mighell R C Dunham E A Rommel M A Frankle

We present six patients with chronic dislocation of the elbow who were treated by primary semiconstrained total elbow arthroplasty. All were women with a mean age of 65 years (51 to 76), the mean interval between dislocation and surgery was 17 weeks (5 to 52) and the mean follow-up 58 months (24 to 123). The most dramatic improvement was in function. The mean American Shoulder and Elbow Surgeon...

2014
W. MATYSIAK

The Flowdrill technology, also known as thermal drilling or thermoforming drilling is a chip less process of shaping rims of holes through burring and it is an alternative to conventional technology of hole rims burring, realized using presses or welded nuts to obtain threaded joints [1, 2, 3]. It is applied everywhere, where it is necessary to obtain threaded joints of high strength without ap...

Journal: :Journal of applied crystallography 2014
Martin Caffrey Robert Eifert Dianfan Li Nicole Howe

The lipid cubic phase or in meso method can be used to set up crystallization trials of soluble and membrane proteins. The cubic phase is noted for being a sticky and viscous mesophase. Dispensing the protein-laden mesophase by hand into wells on crystallization plates has been facilitated by the use of an inexpensive repeat dispenser. However, the assembled dispensing device is prone to damage...

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