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Bonnie Stone
Published: Tuesday, April 3, 2018 - 11:02 Dramatic cost savings. Lead time and inventory reductions. Improved transactional processes. Although lean has its roots in manufacturing, nearly every industry and type of organization around the world can benefit from it. A little while back, we reviewed the “Five Critical Lean Tools” that are a great way to get started implementing lean. Today, let’s continue with five more critical lean tools. Kaizen is a method for accelerating process improvement projects. Although originally developed for manufacturing, kaizen is used extensively in a variety of industries and is a valuable technique for the process improvement practitioner. Kaizen is a focused three- to five-day dedicated event to drive process improvements. Employees are pulled from their daily duties to participate. Solutions are implemented immediately. Leaders can use Minitab’s Companion Roadmap to better plan and implement a kaizen event: In lean, waste is anything in a process that is unnecessary and does not add value from the customer’s perspective. The purpose of lean is to identify, analyze, and eliminate all sources of waste, such as defects or excessive inventory. Use the Waste Analysis by Operation form to document the types of waste at each process step, and to quantify and color-code the degree of the waste. The waste analysis activity is most effective when performed by multiple observers, both within and outside of the process being examined. Quick changeover is a method of analyzing your processes to reduce the time, skilled resources, or materials needed for setup. Initially this technique was applied in the manufacturing environment, specifically for tools and dies. Recently, the approach has been applied to a large variety of workflows (including transactional processes) that require a quick reset, such as hospital beds, operating rooms, or unloading/loading airline passengers. Quick changeover involves identifying process steps and assigning each to one of two categories: Use the quick changeover (QCO-SMED) form to compare the internal and external components of process changeover, or setup, for both current and improved states. By implementing quick changeover, organizations can reduce internal setup time, which reduces the amount of nonproductive process time and enables more setups, smaller run batches, and improved flow. The secondary goal is to reduce total setup time to free up labor. Line balancing is a technique for “equalizing” a set of process steps to smooth the time required to accomplish them. When process steps are not balanced, one or more constraints or bottlenecks may be present. The goal is to eliminate nonvalue-added tasks, combine tasks, and closely balance the remaining steps so that all meet the rate of customer demand. Use the Line Balancing—Process Map or Line Balancing—Value Stream Map forms to compare the cycle time for multiple operations on a process map or value stream map against the takt time (i.e., the time required to meet customer demand). This analysis is useful when you try to balance either a cell or a sequential series of process steps. It highlights the waste of waiting. Standard work establishes a set of work procedures that provide the best and most reliable methods and sequences for processes. Standard work clarifies the process, documents the best way to do a job, ensures consistency, expedites employee training, and provides a baseline for further improvement. Use the Standard Work Combination Chart form to show the manual, machine, and walking time associated with each work element. The output graphically displays the cumulative time as manual (i.e., operator-controlled) time, machine time, and walk time. Looking at the combined data helps to identify the wastes of excess motion and waiting. Quality Digest does not charge readers for its content. We believe that industry news is important for you to do your job, and Quality Digest supports businesses of all types. However, someone has to pay for this content. And that’s where advertising comes in. Most people consider ads a nuisance, but they do serve a useful function besides allowing media companies to stay afloat. They keep you aware of new products and services relevant to your industry. All ads in Quality Digest apply directly to products and services that most of our readers need. You won’t see automobile or health supplement ads. So please consider turning off your ad blocker for our site. Thanks, Bonnie K. Stone is the market development manager at Minitab.Step One: Pinpoint Waste
Step two: Deal with it
1. Kaizen
2. Waste analysis
3. Quick changeover
• Internal: must be done while the process is stopped
• External: can be done while the process is running, either before or after performing the setup4. Line balancing
5. Standard work
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Bonnie Stone
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