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
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
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
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
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
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
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
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
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
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
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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