4, 12 lean production principles:
Lean to today, has more than a mode of production, but a management thinking, a kind of management principles. Enterprises must be the implementation of lean production rose to a high degree of corporate strategy in order to give full play to the vitality of lean production. Because of the lean enterprise value creation through the whole process: from concept to production design process, from ordering to delivery of the information flow process, from raw materials to finished products and material conversion process life cycle support and services process, involving every department, every individual, especially the top leadership of practicing. Some domestic enterprises to implement lean production to yield good results, an important reason for this is that lean production is only a mode of production, its limited operating level in the production, other systems are not required according to the model of Lean change accordingly The results of production department takes two to tango, thankless, let the matter rest.
Eight waste elimination
Fujio long quotations: waste is "an indispensable addition to the minimum amount of production equipment, raw materials, parts and labor (hours) outside of anything." Common enterprise involving eight waste: overproduction, waiting time, transportation, inventory, process (process), action, product defects, and ignored employee creativity. The need to adopt low-waste inventory, Kanban management system exposure, and then completely eliminated. Many enterprises Toyota anyone can stop the production line approach does not understand that this will bring a lot of losses and waste, in fact, Toyota is doing precisely the problem exposure, we urge a speedy solution. As a result, the production line at any time stop the power of the Toyota line, the production is almost non-stop line, which stops the production line, company line right often because of lack of material, equipment failures or quality issues, stop line.
Concerned about the process, improve the overall efficiency
Management guru Deming said: "Staff will only be held responsible for 15%, while 85% blame the system processes." What kind of process to produce what kind of performance. A problem many companies, they blame the staff did not do a good job. Over time, employees had to leave unconvinced. But then another wave of another wave of personnel changes, the problem still out. Management personnel as firefighters put out the fire, like everywhere, piecemeal. Fire does not mean improvement, the key is whether the improvement process itself. Also note that process improvement goal is to improve the overall effectiveness, rather than local departments to improve the effectiveness of the overall benefits to businesses at the expense of local departments if the expense of efficiency.
Continuous process to establish a fast response
The establishment of continuous process, the process does not value time as much as possible invalid compressed to reduce the process time, rapid response to customer needs. In this regard, the gap between domestic enterprises and Toyota are very large. Toyota's inventory turnaround time was 4.2 days, the Chinese home appliance industry in China should be doing marketing and business management one of the best in the industry, the average inventory turnover time of 3.5 months, while the real time for the production of only the total time 5%.
Reduce inventory
Excess inventory is like a pool of muddy, unfathomable stagnant water, a variety of issues were covered under the water, such as order processing delays, poor quality, equipment failure, supplier delays, slow decision making, etc., not people know what is below. In Lean Thinking, the inventory into a fast flowing stream, shallow, crystal clear, there are small fish, shrimp, or a block of stone, clear, no issue would be hidden, conducive to resolve the problem to reduce the amount of funds used to avoid unnecessary loss of stock. Toyota's investment return rate by the number of times his opponent, one of the important reasons is that its up to 87 times the inventory turns.
Reduce inventory is only one of lean production methods, the purpose is to solve problems and reduce costs, and low inventories need to be efficient processes, stable and reliable quality assurance. Some enterprises in the implementation of lean production, lean production is zero inventory that does not first go reform process, improve quality, reduce inventory on insisting on the following results were predictable, the cost has not decreased but increased rapidly, so must the conclusion that lean production is not suitable for my business, my business. This misunderstanding is the need to avoid.
The whole process of high-quality, first do the
Quality is manufactured, not tested out, testing is only a remedial tool. This is a common sense, but some businesses have often insufficient knowledge. Many manufacturers have a special workshop for all the products tested to ensure quality, however, is not only costly but can not guarantee that mistakes do not occur. Therefore, the quality should be built into the design, process and manufacturing them to establish a quality assurance system will not go wrong, once done right. Lean production requirements to achieve lower inventories, continuous process, imagine what link in the chain if, subsequent to full stop, so the whole process of lean manufacturing must be based on quality, otherwise, can only be a lean production empty talk.
Pull production based on customer requirements
JIT (Just In Time) are intended to be: when needed, only the amount needed by the production, production and sales are synchronized. That is, the speed of the sale of production, so the logistics can keep the balance of any prematurely or too late will result in loss of production. Toyota to use the past "Kanban" system to pull, now supported by ERP or MRP information system is easier to pull the material to reach outside the enterprise.鎴村皵鍏徃灏辨槸杩欐柟闈㈢殑鏉板嚭浠ｈ〃锛屽綋浣犻?杩囩綉涓婃垨鐢佃瘽涓嬩簡鐢佃剳鐨勫畾鍗曚互鍚庯紝鎴村皵鐨勭敓浜ф祦绋嬪氨琚媺鍔ㄨ捣鏉ワ紝浠讳綍琚渶瑕佺殑閰嶇疆閮藉彲鍦ㄤ竴鍛ㄥ唴鐢熶骇鍑烘潵骞朵氦浠樹笌浣犮?
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