Palletizing different SKUs at different pick quantities and different pick load times
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Hey Flexsim community... I need some help with a palletizing system connected to a conveyor system. I have attached the model for reference. I use 23.0.9. Any help is greatly appreciated! 🙂
I have 3 SKUs of cases coming down a conveyor. They each get sorted into 1 of 3 conveyor legs, by SKU type. They are then batched in qty 3, so that a robot can pick up all 3 and remove them from the conveyor system. This move takes 8.5s. The robot can pick up any SKU in any order, as long as they're ready to be picked up in batches of 3. And the robot can only do 1 pick at a time.
I need to make it so that each SKU has a different robot pick qty and pick time, based on a percentage. This percentage is from the total number of cases that go into a finished pallet of the SKU. Here's an example of what that would look like for each SKU (the numbers might need to be different for each SKU but it's the same concept):
- 40% - picks of 3 - 8 second per pick
- 50% - picks of 2 - 10 second per pick
- 10% - pick of 0 - 15 seconds. This is for robot reset.
I am struggling coming up with a way to separate the pick quantities and the pick times by SKU for all 3 SKUs. And then adding the resetting time at the end, given that my cases are controlling the logic. I don't need to have a robot, I just need to have a logic that mirrors what I've stated above.
SKU | Total Time Required to Build One Load | # of Simple Picks per load | Cases per simple pick | Time per simple pick | Total Seconds for Simple Picks | % of Time Doing Simple Picks | # of Medium Picks per load | Cases per medium pick | Time per medium pick | Total Seconds for Medium Picks | % of Time Doing Medium Picks | Total Seconds for Load Index and Slipsheet pick | % of Time for Load Index and Slipsheet Pick |
1111 | 177 | 9 | 3 | 8 sec | 72 sec | 40.6% | 9 | 2 | 10 sec | 90 | 50.5% | 15 | 8.4% |