common sense failure analysis

McDonald robinson a colossal failure of common sense; the inside story of the collapse of lehman brothers (2009)

... brought the global economy close to a complete collapse My objective in writing A Colossal Failure of Common Sense was twofold First, to provide Main Street with a close-up, inside view of how markets ... brilliant of Lehman’s traders and risk takers hadbeen halted earlier, perhaps in the name of common sense The top managers might have marshaledtheir forces immediately when they saw giants such ... Paramount, and 20th Century Fox.They found the money for the Trans-Canada oil pipeline I suppose, in a sense, I had seen only its demise, the four-year death rattle of twenty-first-centuryfinance, which

Ngày tải lên: 29/03/2018, 13:34

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Root Cause Failure Analysis Part 5 pdf

... If either the drive system or designed failure point is not properly sized, this type of conveyor is prone to chronic failure The predominant types of failure are frequent breakage of the shear ... Handbook f o r Mechanical Engineers, 8th ed (New York: McCraw-Hill, 1978) Trang 5116 Root Cause Failure Analysis clearance but should not be large enough to have areas where the chain-drive bypasses ... include a single point-of-failure device, such as a shear pin, to protect the conveyor The shear pin is critical in this type of conveyor because it is prone to catastrophic failure caused by blockage

Ngày tải lên: 11/08/2014, 21:23

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Root Cause Failure Analysis Part 6 pot

... airstream The more common systems use either filter media (e.g., fabric bags) or cyclonic separators to separate the particulate matter from air BAGHOUSES Fabric-filter systems, commonly called ... configuration normally is either a ribbon-type helical screw or a series of paddles mounted on a common shaft Materials of construction are selected based on the specific application and materials ... PUMP THROUGH RELIEF VALVE 5 WHEN THIS PRESSURE I S 20 psi HIGHER THAN IN UPPER CHAMBER 2 IS SENSED ABOVE PISTON A N D AT PILOT 'IVERT OUTPUT VALVE THROUGH Figure 10-15 Illustrates how a

Ngày tải lên: 11/08/2014, 21:23

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Root Cause Failure Analysis Part 7 potx

... internal tooth, and rack- and-pinion The external tooth variety shown in Figure 14-1 is the most common Figure 14-2 illustrates an internal gear and Figure 14-3 shows a rack or straight-line spur ... accelerated wear Straight or Plain Straight-bevel gears, also known as plain beipels, are the most commonly used and simplest type of bevel gear (Figure 14-12) They have teeth cut straight across ... vendor’s engineering catalog will provide all the recommended horsepower ratings needed for an analysis These recommendations assume normal operation and must be adjusted for the actual operating

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Root Cause Failure Analysis Part 8 pot

... Configuration The device used to control flow through a valve varies with its intended function The more common types are ball, gate, butterfly, and globe valves Ball Ball valves (see Figure 17-1) are ... incorporate a variety of actuators to provide direct or remote control of the valve Actuators commonly are either manual or motor operated Manual values have a handwheel or lever attached directly ... these valves have the lowest pressure drop of all the conventional types For such reasons, they commonly are used in process-control applications Globe The globe valve gets its name from the

Ngày tải lên: 11/08/2014, 21:23

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Root Cause Failure Analysis Part 9 pdf

... frequent source of failure In most cases, valve failure is due to fatigue The only positive way to prevent or minimize Trang 13244 Root Cause Failure Analysis Table 19-2 Common Failure Modes of ... of phase, entrained air or gas, and turbulent flow 239 Trang 9240 Root Cause Failure Analysis Table 19-1 Common Failure Modes of Centrifugal Pumps Mochanlcal Def.cfs, Worn, Rusted, D & ... or instability in the process system Table 19-2 lists common failure modes for rotary-type, positive-displacement pumps The most common failure modes of these pumps generally are attributed to

Ngày tải lên: 11/08/2014, 21:23

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Root Cause Failure Analysis Part 10 pdf

... valve failure Table 29-1 lists the more common causes of these failures Special attention should be given to the valve actuator when conducting a root cause failure analysis. .. failure ... component 285 286 Root Cause Failure Analysis Table 31-1 Common Failure Modes of Wear Part Surfaces Source: Integrated Systems, Inc Others Table 31-2 Common Failure Modes o Bolted Joints ... Inc. 268 Root Cause Failure Analysis Table 24-2 Common Failure Modes of Cyclonic Separators THE I I Source: Integrated Systems, Inc. PROCESS ROLLS Most failures that cause reliability

Ngày tải lên: 11/08/2014, 21:23

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Root Cause Failure Analysis Part 11 ppsx

... device to regulate flow of a fluid Trang 12A system failure in a fault-tree analysis; it can he either a broad, all-encompassing failure or a failure of a particular component A moment/force couple ... determine the actual mean-time-to- failure or loss of efficiency for each machine train and system in a plant This technique is used in place of traditional run-to-failure programs Trang 9Add fluid ... the concentric pair of steel rings of a ball or roller bearing Radiating from or converging to a common center A line segment joining the center and a point on the outside of a circle or sphere

Ngày tải lên: 11/08/2014, 21:23

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Failure Analysis Case Studies II Episode 1 pot

... SZZLDIESII Pergamon Trang 4Failure Analysis Trang 6FAILURE ANALYSIS CASE STUDIES I1 A sourcebook of case studies selected from the pages of Engineering Failure Analysis 1997- 1999 An imprint ... and Y Zhang 241 Analysis of a vehicle wheel shaft failure J Vogwell 247 Fatigue failure analysis of a leg press exercise machine P.J.Vernon and T.J Mackin 255 Failure analysis of rubber ... of failure analysis cases studies and papers on the structure, properties and behaviour of engineering materials as applied to real problems in structures, components and design Failure Analysis