The 7 Wastes of Lean Manufacturing

Published on 17 September 2024 at 18:50

In a world where efficiency drives success, various production systems enhance operations and profitability through innovative strategies such as quality improvement, bottleneck identification, and waste reduction. Let’s explore Lean Manufacturing, focusing on eliminating waste in a restaurant setting. Mastering these techniques can elevate your management career and position you as an operations leader.

 

First, overproduction waste occurs when more products are produced than needed, leading to excess inventory. This happens when producing earlier than planned or more than can be sold. In a restaurant, overproduction waste happens when too much food is prepared before customers arrive, leading to spoilage.

 

Next, inventory waste refers to holding more stock than necessary, tying up capital and space. Poor inventory management can result in excess raw materials, obsolete products, and slow-moving items. In a restaurant, this could mean stocking too many ingredients that spoil before they’re used.

 

Furthermore, waiting waste happens when employees or machines are idle and unable to proceed with their tasks. Examples include waiting for materials, approvals, or equipment repairs. In a restaurant, waiting waste occurs when kitchen staff have to wait for ingredients or for equipment to be repaired before they can cook.

 

In addition, motion waste involves unnecessary movements that don’t add value. This could mean excessive walking to retrieve tools, reaching for items out of reach, or repetitive tasks. In a restaurant, motion waste happens when staff have to walk long distances to retrieve utensils or ingredients from poorly organized storage areas.

 

Similarly, transportation waste refers to the unnecessary movement of materials or products. This might include excessive handling of goods, long transport routes, or moving items between work areas that are far apart, resulting in additional wasted time and effort. In a restaurant, transportation waste occurs when food is repeatedly moved between distant kitchen and storage areas.

 

Moreover, rework waste happens when products or processes need to be redone due to defects or errors. This includes correcting manufacturing mistakes, redoing inspections, or reprocessing defective items. In a restaurant, rework waste occurs when a dish is cooked incorrectly and must be remade, wasting ingredients and time.

 

Lastly, overprocessing waste occurs when more work is done on a product or service than necessary. In a restaurant, over processing waste might involve prepping ingredients in overly complex ways, such as chopping vegetables into intricate designs when simple cuts would suffice.

 

While each waste mentioned is often viewed as common sense knowledge, the key issue is whether you, as a supervisor, are fully aware of each waste in your work area and how you are managing them—whether systematically, randomly, or simply reacting as they occur. Don not fall into the trap of thinking this is just common sense. Instead, seize the opportunity to implement a systematic approach like Lean Manufacturing  to reducing waste in your work processes and boost your management career.

 

By Miguel Gonzalez 


Add comment

Comments

There are no comments yet.