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Using Standard Cases With Compression Limit
| This example, although easy to explain, is very useful when using standard cases that you already have in your warehouse. When this is the case, they have a certain maximum compression strength that they can stand. Hence, it doesn't make sense to create a pallet arrangement that would make the cases collapse and/or damage the products. Quick Pallet Maker calculates the optimal pallet arrangement with the compression already in mind. |
| The first step is to run QPM and open the Standard Cases and Pallets window by using the command that is available in the Window menu. Once this has been done, we will select a box in the bottom list (metric units) and enter its dimensions as 400x300x210 mm. This is done by double-clicking on the text cell. Then, we add a maximum Top to Bottom compression value of 200 kg. |
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| Once the box has been entered, we open a new document window starting from primary packages. We will use the default data. In case you have turned auto-save on and you cannot see the default dimensions, open the Preferences window ("Options" from the Tools menu for Windows computers), then deactivate the auto-save option and then open a new window starting from PP. The next step is to increase the PP weight to 3 kg and select "Fill standard cases" from the menu near the bottom. |
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| After selecting "Recalculate" from the Tools menu, we will see that the resulting pallet orientations are somewhat shorter than the ones we usually obtain from calculating with the default dimensions. This is because QPM has taken into account the maximum T-B compression of the standard case, divided it by the default safety factor and used is as part of the stacking criteria. To change the default safety factor, you need to open the box compression window, change it, close the window and calculate again. |
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| In the screenshot at right, we have changed the safety factor from 5 to 3 and as a result, we can fit more rows onto the pallet. If we were to reduce the safety factor more or simply make the T-B compression value equal to zero in the Standard Cases and Pallets window, the load height would be limited only by the constraints that were set in the input window. |
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