【正文】 tion 32 Effect ? Inplete order, delay, customer dissatisfaction Cause ? Multiple orders in process Current Controls ? No Controls Severity = 4 Occurrence = 4 Detection = 11 RPN = 4 x 4 x 11 = 176 Step 8: Take Action Failure Mode Incorrect Stock Check Action Stock Check is improved 33 Review corrective actions and modify RPN figure based on results. Before Improvement After Improvement RPN Reduced Risk Step 9: Assess Results Results 34 Effect ? Inplete order, delay, customer dissatisfaction Cause ? Multiple orders in process Current Controls Severity = 4 Occurrence = 4 Detection = 2 RPN = 4 x 4 x 2 = 32 Step 9: Assess Results Failure Mode Incorrect Stock Check Stock Check is improved Results Process FMEA Roadmap Process Functions Potential Failure Modes Effects of Failure Causes Controls Risk Action Results 36 FMEA Purpose ? Recognise and evaluate the potential failure modes and causes associated with a business process or manufacture of a product. ? Identify actions which could eliminate or reduce the chance of the potential failure occurring. ? Document the analysis and changes made. 37 FMEA Form FMEA Brainstorming (Measure Stage) Page 38 FMEA Risk Analysis (Analyze stage) Page 39 FMEA Action Planning (Analyze Stage) Page 40 FMEA Implement Action Plan (Improve Stage) Page 41 42 FMEA Verify (before project closure) 43 Workshop 2: Risk Assessment 1. Transfer the failure modes, effects and causes identified in workshop 1 to the large FMEA form. 2. Using the Severity rating scale, rate each of the failure mode effects and record the number in the appropriate column. Where there are several possible effects for a failure mode, take the worst case for the rating. There should be only one severity rating for each failure mode. 3. Using the Occurrence rating scale and your team39。 Double entry required 167。Multiple orders in process 167。Entered wrong part code 167。Incorrect stock check 167。 Training 167。 Check Sheets 167。s findings. ?Workshop 1 ?Time: Workshop 1:Identify Potential Failures Modes Process FMEA Roadmap Process Functions Potential Failure Modes Effects of Failure Causes Controls Risk Action Results 24 In order of preference there are three types of current controls : 1. Prevent the cause 2. Detect the cause, leading to corrective action 3. Detect the failure (defect) These might include: 167。 Entered wrong quantity 167。 Error in inventory levels 167。 Does not receive order 167。 Delivered to wrong department 167。Customer not aware of delay, sales takes further orders 20 What could cause the potential failure mode to occur ? ? Process / processor errors that could lead to the failure ?Be specific, “processor error” or “equipment failure” are too vague ? Consider the working environment of the process, condition of equipment, IT systems ? There will typically be several causes for each failure mode ? Identify root causes for severe failures Step 5: Determine Causes Causes 21 Step 5: Determine Causes What could cause the potential failure mode to occur ? Potential Causes Potential Failure Modes 167。Inplete order, delay, customer dissatisfaction 167。Delay in fulfilling order, excess stock, possibl