SPC training - Starter Kit
1 SPC and Variation
SPC's advantages vs. quality control by inspection SPC's purpose is to "fight variation" Differences between attribute and variables data Explanations of special and common cause variation How SPC can be used to detect the different types of variation in manufacturing processes
2 Pictures of Numbers - Histograms
Building, reading and identifying parts of a histogram Histograms make visible the patterns caused by variation Histograms can show the ability of a process to meet customer specifications
3 Introduction to Control Charts
Understanding the parts of control charts Control charts are calculated from the process data itself Control charts can indicate whether process variation is from common or special causes Rules governing use and interpretation of control charts
4 Summary and Final Test for SPC Starter Kit
Summary and Final Test for SPC Starter Kit
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SPC training - Applying SPC (5 courses, 6-8 hours)
Applying SPC is a natural complement to the SPC Starter Kit. In these courses, Anna and Dave make control charts a tool that operators can use with confidence for taking action, solving problems and achieving process stability.
After Course 5, the SPC team members are primed to choose and prioritize process parameters to monitor and measure and to establish a data collection plan. After Courses 6-9, operators can collect and plot data, analyze a variety of control charts, and take action when appropriate. Before going online, the team should agree on procedures to take if the charts signal an out-of-control condition.
5 Selecting Parameters
Taking a new look at your process Preparing to collect data Block diagrams, pareto charts, fishbone diagrams Parameter test checklist and monitoring priorities Manufacturing case study
6 Types of Control Charts
Control chart review -- benefits, parts, rules Variables control charts -- X bar and R chart, X bar and S chart Attribute control charts -- P, NP, C, U charts Choosing the appropriate control chart
7 Setting Up and Using a Control Chart
Rules for constructing variables and attribute control charts Calculator tutorial Basic statistics and step-by-step directions for setting up an X bar and R Chart and a C Chart
8 Interpretation and Action
Control chart patterns and possible causes Control charts as an indicator of process problems Deciding when and if to adjust a process Steps to determine the causes of variation
9 Summary and Final Test for Applying SPC
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SPC training - Process Capability (4 courses, 6-8 hours)
Because sometimes process stability is not enough to be competitive, instructors Sara and Tom inspire commitment to continuous improvement. In the following courses, they review basic SPC concepts and teach workers how to assess process capability using both variables and attribute data.
After Courses 10-13, workers will understand that more capable processes produce more product to target and less out of spec lowering costs and improving quality. Then the SPC team is ready to find out what a process is doing and prioritize processes that need improvement.
10 SPC Review
Quality is key to customer satisfaction and global competitiveness SPC is a technique that supports continuous improvement Reduce variation and produce as close to target as possible Use SPC tools to help determine when to investigate and take action and when to leave a process alone
11 Introduction to Process Capability
Defined as the extent to which a stable process is able to meet specifications Monitor process stability using control limits; assess process capability using spec limits How dispersion changes affect a control chart and histogram Use sample data to estimate population characteristics Compare relative capabilities of different processes
12 Using Normal Curves
Characteristics of a normal distribution -- shape, central tendency and dispersion Estimating standard deviation Using the Standard Normal Table How the area under the normal curve can predict yield and the amount of product not meeting specifications
13 Process Capability Assessment
Assessing process capability using numerical methods Using standard deviation to calculate natural tolerance Calculating Cp, Cpk, the differences between them and how process changes affect them Attribute data process capability assessments using percent defective, ppm defective and ppb defective
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SPC training - Using Design of Experiments (3 courses, 3-5 hours)
Processes in control may still not meet customer specifications. To help reduce common cause variation, our trainers offer a series of steps that teams can use to structure designed experiments. SPC-TIP concludes with a fun-filled case study set in ancient times where workers apply all their SPC and DOE skills to improve catapult processes.
After Courses 14-16, operators will be equipped to participate in teams planning and conducting designed experiments.
14 Introduction to DOE
Improve processes using carefully planned experiments Expend minimal time and resources to learn as much about the process as possible Change process or tool settings in a systematic way while a process is running to find the best combination Key definitions and bottom line benefits of DOE
15 Application of DOE
An Approach to DOE - 5 phases - Plan: set objectives, determine response variable, select factors, select levels for each factor, consider design constraints, consider possible interactions - Design: use results from step 1 to set up a design matrix or map for conducting an experiment - Run: schedule and run the experiment and accurately record data results - Analysis: analyze data, share results and make decisions - Act: verify results, make changes to the process, run another experiment, brainstorm other options Fractional factorial experiment to improve popcorn yield Manufacturing case study of an SPC team whose process is in control, but inferior to the competition's
16 An Experiment in Tirzah
Defend Tirzah, an imaginary 850 B.C. city, against invasion Verify the stability of Tirzah's two catapult processes using attribute and variables data Assess the capability of both processes Use DOE to improve catapult process capability and save Tirzah! Continue to prepare and improve catapult processes for the next invasion
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For further information regarding SPC-TIP, please contact CimWorks UK at (01788) 567514
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