SPC (Statistical Process Control) Checklist

Ensure consistent product quality & minimize defects with our comprehensive SPC (Statistical Process Control) Checklist for manufacturing! Download now & optimize your process control, reduce waste, & boost efficiency. Perfect for lean manufacturing & Six Sigma initiatives.

This Template was installed 5 times.

Process Definition & Selection

1 of 10

Ensuring the correct process is being monitored with SPC.

Process Being Monitored?

Process ID/Name

Brief Description of the Process

Sample Size (n)

Measurement System?

Rationale for Selecting this Process for SPC

Frequency of Measurement/Sampling

Data Acquisition & Recording

2 of 10

Focuses on the accuracy and consistency of data collection.

Sample Size (n)

Sampling Frequency (samples per unit of time)

Measurement System (e.g., calipers, micrometer, gauge)

Measurement Procedure Description

Date of Data Collection

Time of Data Collection

Operator ID (if applicable)

Notes on Data Acquisition (e.g., equipment issues, operator concerns)

Calibration Certificate (if applicable)

Control Chart Creation & Setup

3 of 10

Details regarding the initial establishment of control charts.

Process Characteristic Being Monitored

Description of Process Characteristic (for 'Other' selection)

Number of Data Points for Initial Control Limit Calculation

Subgroup Size (if applicable)

Type of Control Chart Selected

Rationale for Chart Type Selection

Raw Data File (for Control Chart Setup)

Date Control Chart Established

Control Limit Verification & Adjustment

4 of 10

Ensuring control limits are appropriate and validated.

Initial Subgroup Size Used for Control Limit Calculation

Number of Data Points Used for Initial Control Limit Calculation

Method Used to Calculate Initial Control Limits (e.g., X-bar and R, X-bar and S)

If 'Other' was selected for calculation method, please specify.

Date of Initial Control Limit Validation

Number of Valid Data Points Collected for Control Limit Verification

Was there any evidence of non-random variation during verification?

If 'Yes' to non-random variation, describe the nature of the variation and corrective actions taken.

Were Control Limits Adjusted based on Verification?

If yes, describe the changes made to the Control Limits and justify the change.

Ongoing Monitoring & Chart Interpretation

5 of 10

Regular assessment of process behavior based on control chart data.

Date of Chart Review

Time of Chart Review

Number of Points Reviewed

Chart Stability Assessment (Stable/Not Stable)

Summary of Observed Trends/Patterns

Number of Points Outside Control Limits

Description of any identified Special Causes

Corrective Actions Taken (if applicable)

Reviewer Signature

Out-of-Control Action & Investigation

6 of 10

Procedures for responding to points outside control limits.

Describe the out-of-control point (value, sample size, date/time).

Date of Out-of-Control Point

Time of Out-of-Control Point

Potential Causes Investigated (list all considered)

Root Cause Category (Select all that apply)

Detailed Description of Root Cause Determination

Corrective Actions Taken (Specific actions to address root cause)

Sample Size of Next Measurement After Correction

Verification of Corrective Action Effectiveness (how was it validated?)

Signature of Investigator

Process Improvement & Optimization

7 of 10

Using SPC data to drive improvements in the manufacturing process.

Describe the identified process improvement opportunity (based on SPC data).

What is the target improvement in the key process characteristic (e.g., reduction in defects, increase in throughput)?

Detail the proposed actions to address the improvement opportunity.

What is the priority level of this improvement action?

Planned start date for the improvement action.

Target completion date for the improvement action.

Which SPC charts were impacted by the issue?

Document any statistical analysis supporting the proposed changes.

Documentation & Record Keeping

8 of 10

Maintaining accurate records of SPC activities and findings.

Date of Control Chart Creation

Time of Data Collection (Start)

Summary of Out-of-Control Events and Corrective Actions

Control Chart Image (Current)

Number of Samples Collected Per Shift/Period

Notes on Calibration Records (Equipment Used)

Review Frequency (Control Charts)

Reviewer Signature

Description of any process changes implemented and their potential impact on SPC.

Training & Competency

9 of 10

Verifying that personnel are adequately trained in SPC principles and procedures.

Number of Employees Trained in SPC Principles

Date of Last SPC Training Session

Training Delivery Method (e.g., Classroom, Online, On-the-Job)

Summary of SPC Training Curriculum

SPC Roles & Responsibilities Covered in Training?

Which SPC tools were covered?

Documentation of Training Assessments/Quizzes

Frequency of Refresher Training?

Software & Tool Validation

10 of 10

Ensuring SPC software and tools are functioning correctly and are appropriately validated.

Software Version Number

Last Validation Date

Description of Validation Process

Number of Data Points Simulated/Tested

Validation Status

Validation Report (PDF/Excel)

Details of Any Failures & Corrective Actions

Data Integrity Check - Pass/Fail

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