Deployment Error Proofing
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occur or makes the error immediately obvious once it has occurred. When to Use Mistake Proofing When a process step has been identified where human error can cause mistakes
Error Proofing Methods
or defects to occur, especially in processes that rely on the worker’s mistake proofing examples attention, skill or experience. In a service process, where the customer can make an error which affects the output. mistake proofing six sigma At a hand-off step in a process, when output or (for service processes) the customer is transferred to another worker. When a minor error early in the process causes major problems
Mistake Proofing Examples Ppt
later in the process. When the consequences of an error are expensive or dangerous. Mistake–Proofing Procedure Obtain or create a flowchart of the process. Review each step, thinking about where and when human errors are likely to occur. For each potential error, work back through the process to find its source. For each error, think of potential ways to make it impossible
Mistake Proofing Lean
for the error to occur. Consider: Elimination—eliminating the step that causes the error. Replacement—replacing the step with an error-proof one. Facilitation—making the correct action far easier than the error. If you cannot make it impossible for the error to occur, think of ways to detect the error and minimize its effects. Consider inspection method, setting function and regulatory function. Choose the best mistake-proofing method or device for each error. Test it, then implement it. Three kinds of inspection methods provide rapid feedback: Successive inspection is done at the next step of the process by the next worker. Self-inspection means workers check their own work immediately after doing it. Source inspection checks, before the process step takes place, that conditions are correct. Often it’s automatic and keeps the process from proceeding until conditions are right. Setting functions are the methods by which a process parameter or product attribute is inspected for errors: The contact or physical method checks a physical characteristic such as diameter or temperature, often using a sensor. The motion-step or sequencing method checks the process sequence to make sure steps are
Assessment Product Development Process Definition and Improvement Portfolio Management System and Planning Quality Function Deployment Consulting and Training Reducing Time-to-Market Requirements Definition and Product Planning Stage / Phase-Gate Process mistake proofing examples in manufacturing Target Costing Consulting and Training Voice of the Customer NPD Training
Error Proofing Vs Mistake Proofing
All NPD Training Best Practices of New Product Development Workshop Design for Manufacturability/Assembly Workshop Design for Serviceability/Maintainability mistake proofing tools Workshop Design to Cost Workshop Lean Product Development Workshop Mistake-Proofing by Design Workshop Quality Function Deployment (QFD) Workshop Target Costing Workshop Voice of the Customer Workshop About Firm http://asq.org/learn-about-quality/process-analysis-tools/overview/mistake-proofing.html Overview DRM Associates Consultants Consulting and Training Clients NPD Resources Papers and Articles NPD Body of Knowledge New Product Development Glossary Mistake-Proofing by Design Mistake-Proofing a product's design and its manufacturing process is a key element of design for manufacturability / assembly (DFM/A). Mistake proofing is also a key element of improving product quality and reliability http://www.npd-solutions.com/mistake.html and an element of the design for six sigma (DFSS) concept. A difficult to assemble product is more likely to be assembled incorrectly. The Japanese concept of Poka-Yoke (mistake-proofing) is oriented to finding and correcting problems as close to the source as possible because finding and correcting defects caused by errors costs more and more as a product or item flows through a process. Early work on poke-yoke by Japanese authorities like Shingo focused on mistake-proofing the process after a product has been designed and is in production. As time has passed, more emphasis has been placed on how the design of the product to avoid mistakes in production. Often the benefits of mistake-proofing not only help with production of the product, but can also contribute to correct user operation and maintenance of the product, and servicing of the product. The concept of Mistake-Proofing involves: Controls or features in the product or process to prevent or mitigate the occurrence of errors and/or; Requires simple, inexpensive inspectio
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