Root Cause Analysis

Figure 13 : General Format for ECF Charts 7. Events should be arranged chronologically from left to right. Events should track ...

guidelines; they are intended to guide you in simple application of a valuable investigative tool. They are not hard and fast ru ...

two pages should be prepared and included in the report to meet the above stated purpose. Transparency Tools The following tools ...

Figure 15 : Example of Cause and Effect (Fishbone) Failure Modes and Effects Analysis (FMEA) Figure 16 : FMEA Quick Facts Overvi ...

Limitation and Deficiencies of FMEA FMEA is extremely efficient when it is applied to the analysis of elements that cause a fail ...

A Design FMEA should begin with a block diagram for the system, subsystem, and/or component being analyzed. The diagram should i ...

Component Description occurs. Severity applies to the effect only. Severity should be estimated on a “1” to “10” scale. Severity ...

Component Description Recommended Action(s) When the failure modes have been rank ordered by RPN, corrective action should be fi ...

as an aid to decision-making, so that with a combination of criticality and severity, priority for action to mitigate or minimiz ...

Figure 19 : Asset FMECA Example SEV = SeverityOCC = Occurrence Prepared by:Approved by: DET = DetectionRPN = Risk Priority Numbe ...

Fill in the blank: Failures represent _____ and __ in our manufacturing system and may involve safety and environmental events, ...

FMECA provides a Risk Priority Number (RPN) to rank risks. How do you compute for the RPN? Answer: ____________________ Diffe ...

FAILURE MECHANISM Fluting in the inner race of a ball bearing caused by: _______________________________________________ _______ ...

False-brinelling of the outer race of a spherical roller bearing due to: _______________________________________________ _______ ...

Pitting in the outer race of a double row spherical roller bearing, caused by: _______________________________________________ _ ...

• F = 1 cycle/P – F = Frequency (Hz) – P = Period (seconds) VIBRATION ANALYSIS Time Wave Form Spectrum Analysis Fast Fourier Tra ...

http://www.eruditio.com | copyright © 2018 | 843-^375 -^8222 37 FAILURE MODE.................................................... ...

Worn Gears Electrical Fault Surface Fatigue Abrasive Wear ▪ Soft foot ▪ Uneven air gap ▪ Cracked or broken rotor bars ▪ Eccentri ...

Excessive Belt Tension.......................................................................................................... ...

Tank Sediment ▪ This example was taken before dawn due to emissivity issues with the sun’s heat radiating off the tank wall duri ...