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Top 5 Benefits of Lean Manufacturing

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Top 5 Benefits of Lean Manufacturing
Jingchen Cao
Oct, 4th 2014

Lean manufacturing is a management philosophy whose goal is to remove wastes and achieve perfection through kaizen with a set of lean principles and tools. The birth of lean was in Japan in Toyota around 1940s. It has many tools or techniques including Kanban, 5S, Value Stream Mapping, JIT and so on. This article will introduce you to the top 5 benefits that you should know your company is considering implementing lean manufacturing.

1. Eliminate wastes
Generally, lean thinking considers 7 major forms of waste including overproduction waste, waiting time waste, transportation waste, processing waste, inventory waste, motion waste and defects waste. Lean manufacturing is an effective way for companies to investigate wastes and remove them. Then companies will abolish time spend on non value-added activities.

Source: Lean Operations Handouts

2. Save Time
It is true that less inventory leads shorter lead-time. Lean manufacturing generates fewer inventories and less non value-added tasks, so the lead-time will be reduced correspondingly. Furthermore, employees will work more efficiently and save more time due to implementing lean manufacturing. Standard operation process in lean manufacturing guarantees employee fewer mistakes and higher efficiency.

3. Control Quality
One lean manufacturing tool is single-piece flow, which suggests working on one product at a time instead of batching and lot production.
Figure 3.1 is the traditional shop floor and Figure 3.2 is single-piece flow.

Figure 3.1

Figure 3.2

Source: QualityInspection.org (http://qualityinspection.org/14-quality/)

Single-piece flow ensures less opportunity to quality defects due to single batch size. Employees can inspect or test finished products as long as it is launched. Furthermore, it is much easier to

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