Statistical Process Monitoring (SPM) Checklist

Boost Manufacturing Efficiency & Quality! Download our free Statistical Process Monitoring (SPM) Checklist. Ensure consistent production, minimize defects, and optimize your processes with this essential guide. Reduce downtime & improve performance today! #SPM #Manufacturing #QualityControl #ProcessImprovement #Checklist

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Process Definition & Identification

1 of 7

Ensures the process being monitored is clearly defined and its critical characteristics are understood.

Process Description

Process ID / Code

Process Type (e.g., Machining, Assembly, Coating)

Critical Process Parameters (CPPs)

Process Input Materials/Components

Target Value (for key CPP)

Potential Process Risks/Variability Sources

Data Collection & Recording

2 of 7

Focuses on the accuracy, reliability, and completeness of data being collected for process monitoring.

Sample Size (n)

Sampling Frequency (Units/Time)

Data Point Interval (Time)

Data Source

Description of Data Collection Equipment

Units of Measurement

Data Validation Procedures (e.g., range checks, duplicate entries)

Date of Last Data Collection Procedure Review

Control Chart Selection & Implementation

3 of 7

Details the appropriate control chart type chosen and its proper implementation for the monitored process.

What type of control chart is being used?

If 'Other' was selected, please specify the control chart type used.

Number of subgroups analyzed for control limit calculation.

Date of initial control chart implementation.

Is the control chart being monitored manually or automatically?

Frequency of data collection (e.g., hourly, daily, weekly).

Brief description of the process variables being monitored.

Control Limit Calculation & Validation

4 of 7

Focuses on ensuring control limits are calculated correctly and periodically validated for accuracy.

Number of Data Points Used for Initial Control Limit Calculation

Method Used for Control Limit Calculation (e.g., Moving Range, X-bar and R Chart)

D3/D4 Factor Used (if applicable)

Distribution Assumption for Data (e.g., Normal, Unknown)

Date of Last Control Limit Recalculation

Frequency of Control Limit Recalculation (in days/weeks/months)

Justification for Recalculation Frequency

Process Stability Evaluation Method (e.g., MSA, Process Capability Index)

Out-of-Control Action & Response

5 of 7

Outlines procedures for identifying, investigating, and correcting out-of-control conditions.

Number of Points Exceeding Control Limits

Detailed Description of the Out-of-Control Condition

Potential Root Cause Category (e.g., Material, Equipment, Operator, Method)

Investigation Steps Taken to Determine Root Cause

Corrective Actions Implemented

Date Corrective Action Implemented

Verification of Corrective Action (How Effectiveness Was Confirmed)

Resolution Status

Signature of Person Verifying Resolution

Documentation & Training

6 of 7

Covers the documentation of SPM procedures and training provided to personnel involved.

Number of Personnel Trained on SPM Procedures

Date of Last SPM Training Session

Brief Summary of SPM Training Content

Copy of SPM Training Materials (e.g., manual, slides)

Type of Training Provided (Check all that apply)

Description of refresher training schedule

Are training records readily accessible?

Summary of the documentation procedures for SPM?

Periodic Review & Improvement

7 of 7

Addresses the ongoing review of SPM system effectiveness and opportunities for improvement.

Date of Last SPM System Review

Frequency of System Review (Months)

Summary of Review Findings

Action Items Identified During Review

Were any control charts deemed ineffective?

Areas for potential improvement?

Description of Actions Taken to Address Improvements

Target Completion Date for Improvement Actions

Name of Person Responsible for Improvement Actions

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