What is 5S? 6S? specific explanation

The following information is reproduced for reference

Introduction to 5S

The meaning of 5S

5S refers to SEIRI and SEITON There are five items including , cleaning (SEISO), cleaning (SEIKETSU), and literacy (SHITSUKE). Because the Japanese Roman pinyin all starts with "S", they are referred to as 5S.

The evolution of 5S

5S originated in Japan and refers to the effective management of production factors such as personnel, machines, materials, and methods at the production site. This is unique to Japanese companies. A management method. In 1955, Japan’s 5S slogan was “Safety starts with arranging and ends with arranging.” At that time, only the first two S's were implemented, and their purpose was only to ensure working space and safety. Later, due to the needs of production and quality control, 3S was gradually proposed, that is, cleaning, cleaning, and self-cultivation, which further expanded the application space and scope of application. By 1986, Japan's 5S book gradually came out, thus controlling the entire on-site management. The model had an impact, and thus started the 5S craze.

The Development of 5S

Japanese-style enterprises regard the 5S movement as the basis of management work and implement various quality management techniques. After World War II, product quality was rapidly improved , established the status of an economic power, and under the advocacy and promotion of Toyota, 5S has played an important role in shaping the company's image, reducing costs, on-time delivery, safe production, high degree of standardization, creating a pleasant workplace, on-site improvement, etc. It has played a huge role and has gradually been recognized by the management circles of various countries. With the development of the world economy, 5S has become a new trend in factory management.

Application of 5S

5S is used in manufacturing, service industries, etc. to improve the quality of the on-site environment and the thinking methods of employees, so that enterprises can effectively move towards total quality management, mainly For the manufacturing industry, carry out corresponding activities on production factors such as materials, equipment, and personnel at the production site. 5S plays a huge role in shaping the image of the company, reducing costs, on-time delivery, safe production, high degree of standardization, creating a pleasant workplace, on-site improvement, etc. It is one of the successes of Japanese product quality that has been rapidly improved and marketed around the world. at.

Extension of 5S

According to the needs of further development of enterprises, some companies have added safety (Safety) to 5S, forming "6S"; some companies have added Save (Save) has formed the "7S"; some companies have added habituation (しゅうかんか, pronounced as Shiukanka in Latin), service (Service) and persistence (しつこく, pronounced as shitukoku in Latin) to form the "10S" "; Some companies even implement "12S", but it remains the same and is derived from "5S". For example, it requires the removal of useless things or items during sorting. In some sense, this is It can involve conservation and safety. To be more specific, such as useless garbage lying in the safe passage, this is what safety should pay attention to.

The definition and purpose of 5S

1S - Sorting (Seiri)

The definition of sorting: distinguishing between necessary and unnecessary items, and keeping only necessary items on site. The purpose of sorting: ① Improve and increase the working area; ② There will be no debris on site, the streets will be smooth, and work efficiency will be improved; ③ Reduce the chance of collisions, ensure safety, and improve quality; ④ Eliminate management errors such as mixing and mixing; ⑤ Helps reduce inventory and save money; ⑥ Change style and improve work mood.

The meaning of sorting: separate the people, things, and things that are needed from the unnecessary ones, and then dispose of the unnecessary people, things, and things, classify the actual placement and stagnant items on the production site, and distinguish what is needed on site Secondly, for items that are not needed on site, such as leftover materials, excess semi-finished products, cut scraps, chips, garbage, waste products, excess tools, scrapped equipment, workers’ Personal daily necessities, etc., must be resolutely cleared out of the production site. The focus of this work is to resolutely clear away unnecessary things on site. The front and rear of each workstation or equipment, the left and right sides of the aisles, the upper and lower parts of the factory building, the inside and outside of tool boxes, and all blind spots in the workshop must be thoroughly searched and cleaned to ensure that there is nothing unused on site.

2S-Seiton

The definition of rectification: necessities are placed in an orderly manner and clearly marked according to the prescribed location and method. The purpose of rectification: not to waste time looking for items, improve work efficiency and product quality, and ensure production safety. The meaning of rectification: quantifying and positioning the people, things, and things that are needed. After sorting out the previous step, scientifically and rationally arrange and place the items that need to be left at the production site so that you can get what you need as quickly as possible and complete the work under the most effective rules, systems and simplest processes. . Key points for rectification: ① Objects must be placed in a fixed location and area to facilitate search and eliminate errors caused by mixed placement; ② The location of items must be scientific and reasonable. For example, according to the frequency of use of items, frequently used items should be placed closer (such as placed in the work area), and occasionally used or infrequently used items should be placed farther away (such as concentrated somewhere in the workshop); ③ Visualize the placement of items so that quantitatively loaded items can be easily identified at a glance. The areas where different items are placed are distinguished by different colors and markings.

3S - Cleaning (Seiso)

The definition of cleaning: removing dirt on site and removing materials and garbage in the working area. The purpose of cleaning: to remove "dirt" and keep the site clean and bright. The significance of cleaning: removing dirt from the workplace so that the source of abnormalities can be easily discovered is the first step in implementing independent maintenance, mainly to improve equipment availability. Key points of cleaning: ① Clean the items you use by yourself, such as equipment, tools, etc., rather than relying on others or adding special cleaners; ② When cleaning equipment, focus on the maintenance of the equipment. Cleaning equipment should be combined with equipment inspection, cleaning is inspection; cleaning equipment should also do equipment lubrication work, cleaning is also maintenance; ③ Cleaning is also for improvement. When cleaning the ground and finding flying debris or oil and water leakage, identify the cause and take measures to improve it.

4S-Cleaning (Seiketsu)

The definition of cleaning: institutionalize and standardize the practices of sorting, rectifying, and cleaning, and maintaining the results. Purpose of cleaning: Carefully maintain and adhere to the effects of sorting, rectifying, and sweeping to keep it in its best condition. The meaning of cleaning: eliminate the root causes of safety accidents through persistence and in-depth activities of sorting, rectifying, and cleaning. Create a good working environment so that employees can work happily. Key points of cleaning: ① The workshop environment must not only be tidy, but also clean and hygienic to ensure the health of workers and improve their enthusiasm for work; ② Not only the items must be clean, but the workers themselves must also be clean, such as work clothes and instruments. Neat, timely haircut, shave, manicure, bathing, etc.; ③ Workers must not only be physically clean, but also mentally "clean", and be polite and respectful to others; ④ Keep the environment clean Be polluted, further eliminate turbid air, dust, noise and pollution sources, and eliminate occupational diseases.

5S-Literacy (Shitsuke)

The definition of literacy: everyone operates according to the rules, acts according to the rules, and develops good habits. The purpose of literacy: to improve "human quality" and cultivate people who are serious about any job. The significance of literacy: Strive to improve the self-cultivation of personnel and enable them to develop the habit and style of strictly abiding by rules and regulations. This is the core of the "5S" activity.

In recent years, as people's understanding of 5S activities continues to deepen, some people have added "Safety (Safety), Saving (Save), Study (Study)" and other contents, respectively called 6S ,7S,8S.

Content of 6S

Organization (SEIRI) - distinguish any items in the workplace into necessary and unnecessary items. Except for the necessary ones, keep them and eliminate the others. . Purpose: Free up space, make full use of space, prevent misuse, and create a refreshing workplace. Organize (SEITON) - place the necessary items left behind in the prescribed locations, and place them neatly and label them. Purpose: Make the workplace clear at a glance, eliminate time looking for items, neatly organize the work environment, and eliminate excessive backlog of items. Cleaning (SEISO) - Clean the visible and invisible places in the workplace to keep the workplace clean and bright. Purpose: Stabilize quality and reduce industrial injuries. Cleaning (SEIKETSU) - Carry out sorting, rectification, and cleaning to the end, and institutionalize it, always keeping the environment in a beautiful state. Purpose: Create a clear scene and maintain the above 3S results. Literacy (SHITSUKE) - Each member develops good habits, follows the rules and develops a proactive spirit (also called habituality). Purpose: Cultivate employees with good habits and abide by rules, and create team spirit. Safety (SECURITY) - Pay attention to safety education of members, have safety first concept at all times, and take precautions before things happen. Purpose: To establish a safe production environment, and all work should be done under the premise of safety.