Cycle efficiency lean

Hi Carlo, thanks for the compliments.
As for 1) First I that the “unit processing time” does not include losses/waste, otherwise it would be a takt. For the cycle time I would exclude the set up time. In lean there is to my knowledge no need for a cycle time plus proportional set up time. If you want the overall speed, you use a takt. If you want to calculate a target speed of the workers similar to MTM, this would also include other parts like personal breaks.
As for 2), that is a good point, especially if it is NOT a batch process. I would consider the 5 minutes (without losses) a cycle time, and the 2 hours a process time. The question is what do you need the time for. If you want to determine the OEE based on line takt and cycle time, then you would use 5 minutes. Same if you want to determine the number of kanban.

I am working on implementing OEE in one of our machines that makes centertubes for automotive oil filters. The steel is rolled and each part number has specific diameter and length. However, the run-rates vary for each part numbers. I am somewhat able to calculate Takt time for each part number based on the standard run-rate. However, the problem for me is to determine Ideal Cycle Time. The machine can run as fast as 65 PPM for one part number while it runs as slow as 13 PPM for some other part number. In this case, what would be the optimal way to calculate Ideal Cycle Time for each part numbers? As you know, Ideal Cycle time is required to calculate Performance Metric of OEE.

Of the two, lateral dynamics has proven to be the more complicated, requiring three-dimensional , multibody dynamic analysis with at least two generalized coordinates to analyze. At a minimum, two coupled, second-order differential equations are required to capture the principal motions. [2] Exact solutions are not possible, and numerical methods must be used instead. [2] Competing theories of how bikes balance can still be found in print and online. On the other hand, as shown in later sections, much longitudinal dynamic analysis can be accomplished simply with planar kinetics and just one coordinate.

The next step is to determine the amount of time used by each activity on the Value Stream Map.  This should equal the cycle time, which is the amount of time required to receive and process an order, through to the delivery of the product to the customer.  A common way to calculate the cycle time is to take the total number of paid man-hours in a month, and divide that by the number of finished products produced that month. This gives the amount of time required to produce one item. That time is then divided among the activities on the value stream map.

In the European Union advertising has to show Carbon dioxide (CO 2 )-emission and fuel consumption data in a clear way as described in the UK Statutory Instrument 2004 No 1661. [44] Since September 2005 a colour-coded "Green Rating" sticker has been available in the UK, which rates fuel economy by CO 2 emissions: A: <= 100 g/km, B: 100–120, C: 121–150, D: 151–165, E: 166–185, F: 186–225, and G: 226+. Depending on the type of fuel used, for gasoline A corresponds to about  L/100 km (69 mpg ‑imp ; 57 mpg ‑US ) and G about  L/100 km (30 mpg ‑imp ; 25 mpg ‑US ). [45] Ireland has a very similar label, but the ranges are slightly different, with A: <= 120 g/km, B: 121–140, C: 141–155, D: 156–170, E: 171–190, F: 191–225, and G: 226+. [46]

Cycle efficiency lean

cycle efficiency lean

The next step is to determine the amount of time used by each activity on the Value Stream Map.  This should equal the cycle time, which is the amount of time required to receive and process an order, through to the delivery of the product to the customer.  A common way to calculate the cycle time is to take the total number of paid man-hours in a month, and divide that by the number of finished products produced that month. This gives the amount of time required to produce one item. That time is then divided among the activities on the value stream map.

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