Profit by Quality/品質でもうけなさいin English | drawn & written by Isao Hirasawa Omoshirogari HOME |
2.6 Level of quality control | Profit by Quality《Contents》 | ||||||||||||
Prologue | |||||||||||||
T.Way of thinking quality and cost | |||||||||||||
Although it becomes little bit a conceptual talk, if we grasp what kind
of composition quality cost has and compare with some cases, it will become the reference that evaluates a management level. |
1. Company without problem cannot profit 2. Good or bad quality is known at cost |
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2.1 Let’s think over the meaning of quality 2.2 Is quality "goodness"? 2.3 If quality is good, productivity is also high. 2.4 Quality is not visible by the number of cases. 2.5 Grasp quality with cost. 2.6 Level of quality control |
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[Level 0] | |||||||||||||
This is the condition that defectives occur frequently and customers' trust
loses in this situation. The condition that you’re all busy with settlement of defectives, like the example of the beginning of this section, is also this level. The quality control of Japan is said to be the number one in the world, but there are a lot of companies struggling at this level. What about your company? The top priority problem at this level is that we never trouble for customers anyhow. It’s most urgent to think out a solution that stop defectives outflow right away, even if we lose the present profits. |
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3. What is quality assurance? | |||||||||||||
U.Way of solution quality problem | |||||||||||||
4. Make problem solving efficient. 5. Shares a problem by visualization 6. Dig into, and get clue of solution 7. Don't take unprofitable measure |
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V.Consultation example of quality problem | |||||||||||||
8. Consultation example of quality problem 9. Necessary way of thinking to raise level Epilogue |
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Recommended Program |
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[Level 1] | |||||||||||||
This is the condition that complaints from customers decreased but appraisal cost is pressing profits. | |||||||||||||
Although only defectives outflow is barely prevented by inspection of the
water's edge, at the process, defectives are occurring frequently as usual. I mention it later, but the inspection of this case cannot be said a true inspection, so level 1 is not different from level 0 substantially. The top priority problem in this level is not to make trouble for following processes. It means not to pass defectives thinking following processes as customers. Some people criticize that it’s like spiritualism, but it is an important problem because even such morals are often exhausted in the workplace of a low level such as 0 and 1. |
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[Level 2] | |||||||||||||
This is the condition that appraisal cost is reduced by carrying out the
maintenance of facilities and the education training to workers to some
extent and consequently the whole cost is reduced. Generally quality is said to be stable in this level. However, in fact, the quality is not improved at all because failure cost can hardly be reducing. The problem of this level is defective reduction by all the members' participation. We can arrive at level 2 relatively easily even if we advance improvement activities with only much enthusiasm. However, many companies stagnate here and are easy to get into a rut, so I think the following level 3 is a wall for improvement. |
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[Level 3] | |||||||||||||
This is the condition that defective is reduced by having strengthened a quality improvement and process control and also inspection man-hour is reduced, so consequently the whole cost is reduced. |
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The reason why accomplishing level 3 is difficult is we need a substantial
reform that is not with only enthusiasm as before. We must convert the way of thinking and invest in reform drastically, but we are apt to hesitate in such an epoch because management is conservative generally. The problem in level 3 is reliability improvement, efficient control, new technology development etc. as items to list, but I think management power reinforcement and independent reform are more important. |
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[Level 4] | |||||||||||||
This is the ideal condition that prevention cost is enriched furthermore and failure cost becomes almost zero by carrying out the thorough quality improvement. There are problems still more even if it becomes level 4. Can’t we put a squeeze on preventive cost and appraisal cost more? … If the company is in this level, it should solve problems rationally not abstractedly. When it has been realized, your company may be said the true excellent company. |
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