| Topic : Productivity Improvement in Production & Manufacturing |
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Manufacturing & Engineering Professionals |
INDUSTRIAL PRODUCTS/HEAVY ENGG. |
Production and Mechanical Engineering |
1 more ...
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Activity:
88 views;
last activity : 07 06 2010 20:18:09 +0000
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Overall equipment effectiveness(OEE)
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Scheduled time
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MODAPTS
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Value Added method
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Value Added Method
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I found that there are many opinions and each has a defense. I have always guided clients, that have not already established a method, to follow a general OEE guideline. The benefit of the program is comparison over time, not a moment in time picture.The concept of OEE is becoming increasingly popular and has been widely used as a quantitative tool essential for measurement of productivity in semiconductor manufacturing operations, because of an extreme capacity constrained manufacturing environment and an increasing concern about return on capital facility investment. |
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Hey Sanjit!
I do find OEE a good way to measure quality of process, efficiency of equipment and utilization in one figure which sums up everything you want to achieve in running highly automated equipment.
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I would prefer scheduled time as that works very straightforward, especially if your production workers are keeping track of their *actual* working hours excluding breaks and such but including any overtime. However take into account that this leads to relatively high productivity "scores" since you would be including start up, conversion (e.g. converting a line to switch between 2 products) and clean up time in the productive time. This sometimes leads to a false sense of achievement and one should always keep in mind that reducing those 3 times can help a great deal in improving productivity in its strictest sense. |
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I will support you but Generally, we should consider all time, from setup time to end time, including lunch breaks, etc. Breaks are part of hours which are paid for.
In different industries it might be considered differently. In process industry, where plant is running continuously, there is no break in production, you need to consider throughput, for a complete cycle, between two setups.
In manual labor work, where wages are paid on piece rate basis, you need not consider breaks.
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In my point of view, MODAPTS is one of the systems that utilizes software to analyze data collected on the shop floor, to determine theoretical process times. MODAPTS is a third generation predetermined time system used for: |
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Yes Ray I agree with you that MODAPTS is eay to learn.The average supervisor can easily learn MODAPTS and how to calculate standards and the average employee can understand MODAPTS and apply in the organization.
Yes Vinit I do agree with you because from MODAPTS we can expect an immediate improvement in our operational productivity, because MODAPTS is "solutions" oriented. All motions required of a person to complete a task are recorded and analyzed for methods improvement. MODAPTS is unusually sensitive to improving methods because of its unique coding system.
As MODAPTS is so easy to learn and apply, analysts spend significantly less time developing standards.
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I prefer the “Value Added “ method which measures the wealth created by a company through manufacturing. It is equal to the income from sales of the product less the expenditure on purchased materials and services. In short, Value Added measures the net output rather than the gross output of the business enterprise. An analysis of the Value Added can be used to assess the manufacturing efficiency of the company. |
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Value added includes -ve values asssociated. This is the sumtotal of all the other measures preceeding and hence I consider COMPLETE |
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