Implementing Lean principles on the shop floor requires a thorough review of all production processes to eliminate any nonvalueadding steps or services
Implementing Lean principles on the shop floor requires a thorough review of all production processes to eliminate any nonvalue-adding steps or services.

Are You Incorporating These Lean Manufacturing Best Practices?

According to the originators of Lean Manufacturing methodology, the five fundamental principles revolve around adding value to products and services, enhancing the value stream from end to end, improving workflow, reducing the overall time-to-market, and achieving perfection throughout the entire program.  While it can be difficult to achieve all five principles, there are a number of best practices you can implement on the manufacturing floor to underscore the importance of these strategies and generate quantifiable results.

Minimizing waste — The general purpose of the Lean methodology is to minimize and, if possible eliminate, excess waste. Whether this is achieved in the actual manufacturing process of products or during another phase, such as packaging or shipping, waste can be found in nearly every business process associated with modern manufacturing.

Lean manufacturing methods highlight a number of different wasteful areas of an industrial operation. This includes overproduction in order to meet perceived or forecasted demands, inefficient inventory control, defects or bottlenecks in the production process, redundant inspections or requirements, excess transportation, idle time, unnecessary motion or handling of products, and the overall “culture” of your operation.

Eliminating nonvalue — Implementing Lean on the manufacturing floor also requires eliminating any nonvalue-adding steps or services that currently are a part of the production process. To do this effectively, you must first make the differentiation between value and waste.

Taiichi Ohno, inventor of Lean's predecessor, the Toyota Production System, considers waste to be anything that is above and beyond the absolute minimum requirements of your company's specific manufacturing process. Parts, materials, tools, equipment, and even labor may be considered as waste.

Consolidating vendors — Consolidating your external vendors into one centralized point-of-contact is a great way to reduce waste in areas other than actual manufacturing processes. Purchasing all of your parts and components from one source instead of several not only saves you the time and ordeal of maintaining communications with multiple vendors, but it can also reduce your overhead costs.

However, it can be difficult to find one vendor that offers every individual part needed for the manufacturing process. This is precisely why many manufacturers will adopt a vendor managed inventory system, or VMI. Apart from consolidation, this approach has the potential to strengthen business partnerships, jumpstart communications, and bolster customer service.

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American Machinist is an IndustryWeek companion site within Penton's Manufacturing & Supply Chain Group.


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