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07/03/2012 09:39 AM
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Hello!
My topic is about showing/advertising the results of the daily line exchanges (smeds) that we have in our company (glass bottles).
We have our global result indicator (%) based on time and good units produced in the first 24h after the line stops. The problem is that we have in our value stream 3 different big areas/processes (hot and cold area) that all have to exchange equipment/molds and some are "bottlenecking" our smed´s.
The objective is to expose the poor performance of the worst areas, in other words, branch the final global result in diferent index fingers.
Has anyone had to do any kind of this study???
RMP
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07/03/2012 10:51 AM
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Ricardo,
I might suggest Value Stream Mapping each of your 3 processing areas as a seperate swim lane. This will help you identify where the bottle necks occur and how you can resequence your processes. You also should look at ways to reduce set up times.
Ken
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07/09/2012 02:18 PM
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Ricardo,
It sounds like you've begun the process of reducing your changeover times and even have some of the right measures in place. Good stuff!
I'm not sure what you mean when you say:
"The problem is that we have in our value stream 3 different big areas/processes (hot and cold area) that all have to exchange equipment/molds and some are "bottlenecking" our smed´s."
If I read that correctly, it sounds like you have multiple pieces of equipment in a given value stream that all need to be changed over in order for the full process to be changed over. Did I get that correct? If so, you're not all that different than anybody else. So your goal becomes to continually reduce all of those individual changeover times with the goals being:
1) All changeovers can be done at or under Takt time
2) Full sequential changeover
Just in case you haven't seen the "sequential changeover" term before, think of it as a rolling changeover. That would mean if your value stream had 5 processes that needed to be changed over, they would each be changed over as the last good part of Part A worked its way through the line. Ideally, all of these individual changeovers would be completed at or under Takt time. If you've ever seen one of these done correctly, it's truly awesome - and efficient!
Tom
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