Six Sigma Overview on the Process Capability Improvement

8/13/2019 Six Sigma Overview on the Process Capability Improvement

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Six Sigma & Process CapabilityAdev Research



Adev Research

At Adev Research, we place an emphasis on our research

methods, analytical abilities and combining the latest data

collection methods with current academic research.

We are dedicated to providing consulting services at the

highest level based on our own and industry-level research

methodologies. We provide services within a range of sectors

including high-tech, consumer facing products, travel, media,pharmaceutical and business services.

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Areas of Activity

Six Sigma & Statistical Consulting

Customer Satisfaction & Market Performance

Market Research Insights

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Business Areas for Six Sigma

Distribution and allocation management

Order management

Product development

Software development

Consumer facing operations

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BusinessObjectives

ROIVoice of

theCustomer



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Six sigma defined

A business strategy to reducevariability and improveprocess quality.



Six Sigma Goals

1. Develop a customer centric focus with a clear

link to business strategy

2. Focus on key business issues that are

essential to customer opportunities

3. Reduce waste and increase process speed

and efficiencies

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7

lets talk about the

Six Sigma Process



Six Sigma Process

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Design Goals based on a customer centric focus.

Measure Measure the current procedure and gather

relevant data. Analyze Verify relationship of factors and ensure that all

factors have been reviewed. Improve Optimize and improve the current process.

Control Control the new process.



Design

Define an opportunity from the business and customerperspectives.

Translate Voice of the Customer into measurablemetrics

Understand the variables that affect the key metrics

Map the process to be improved with defined goals

Apply data mining techniques to establishimprovement opportunities

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Measure

Understand the process and its current performance.

Operational definitions & Process mapping

Determine the current state of performance for a

baseline

Establish the metrics required to monitor the process

Control charts, failure mode and effects analysis(FMEA)

Proposed process layout

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Analyze

Search for key factors that have the largest impact onprocess performance.

Sample size & frequency for sampling

Establish potential root causes that create processvariation

Identify the few critical inputs affecting the outputs,

Pareto analysis Hypothesis testing

Regression & ANOVA analyses

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Improve

Develop improvement solutions for the established key

factors.

Take a benchmark to measure process improvements

Potential solutions & prioritization for improvement

factors

Develop cost/benefit analysis based on the proposedimprovement plan and simulation

Implementation plan

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Control

Implement the solution and control the process.

Monitoring plan to control process adjustments

Control charts for defect prevention

Key metrics must be kept within the established

targets

Communicate business results

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a little more within industrial statistics

Process Capability



Process Capability

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Process capability analyzes the uniformity of the

process.

Measure the parameters of the product rather thanthe process itself

Expressed as a process capability index



Process Capability Analysis Goals

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1. Predict how the process will hold within the

tolerance limits

2. Establish sampling intervals

3. Establish performance requirements for

equipment or suppliers

4. Reduce process variability



Process Capability Analysis

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191715131197531

602

600

598

Sample

S a m p l e M e a n

_ _ X=600.23

UC L=602.474

LCL=597.986

191715131197531

8

6

4

2

0

Sample

S a m p l e R a n g e

_ R=3.890

UC L=8.225

LCL=0

1

6

1

Xbar-R Chart of Supplier

601.50600.75600.00599.25598.50597.75

LSL Target USL

LSL 598

Target 600

USL 602

Sample Mean 599.548

S ample N 100

StDev(Within) 0.576429

StDev(Ov erall) 0.619299

Process Data

C p 1.16

C PL 0 .90

CPU 1.42

C pk 0 .90

P p 1.08

PPL 0 .83PPU 1.32

Ppk 0 .83

Cpm 0.87

Ov erall Capability

Pote ntial (Within) C apability

PPM < LSL 10000.00

P PM > U SL 0.00

PPM Total 10000.00

O bserved Performance

PPM < LSL 3621.06

PPM > U SL 10. 51

PPM Total 3631.57

Exp. Within Performance

PPM < LSL 6216.68

PPM > U SL 37. 58

PPM Total 6254.26

Exp. Ov erall Performance

Within

Overall

Process Capability of Supplier

Process Capability Ratio Process

Cp > 1 Uses less than 100% of the tolerance band.

Cp = 1 Uses the entire tolerance band.

Cp < 1 Large number of nonconforming parts will be produced.



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Adev Research

Eric Blumenfeld

www.adevresearch.com

[email protected]

Finding clarity from complex objectives

http://www.adevresearch.com/

mailto:[email protected]

mailto:[email protected]

http://www.adevresearch.com/

Six Sigma Overview on the Process Capability Improvement

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