Branched Process

Branching process function in Asprova allows you to branch a process in the middle of the production process. Some samples of this function are as follows:

  • For by-products that are produced in the chemical reaction of raw materials separately from the production process of the final item.
  • For car parts that are produced together up to a certain process and then branched into separate processes in the final stage.

Branching operations will be assigned when you enter a branch process in the Integrated Master Editor of an item.

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The first step to branching a process is to enter an output instruction at the process where branching will take place. Let’s do this in the Reacting/Extracting process of item “P”. The instruction code of an output instruction is set as “Out” by default. However, you can also use another arbitrary code.

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Make sure when entering a branch process to specify a different instruction code for each output.

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Set Instruction code to Out2 and Item/Resource to P-10-Sub. Set the Previous process numbers to the appropriate output instructions and input instructions so that the Reacting/Extracting process will create a branch into two processes. For the previous process numbers, register the process numbers of the branch destinations that input the items specified by the output instructions.

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If an output item is an item that is an input to the following process, the previous process number doesn’t need be entered. Next, enter the branch destination process Preparation by-product. Enter an Input instruction, Use instruction, and Output instruction as shown in the table below.

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If there are items in a branched process that are not loaded into another process, specify -1 in the previous process number.

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You can also enter the Time constraint method and Time constraint MIN in the input instruction of branch processes.

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Run the reschedule button to see that the operation of each process will be assigned.

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By looking at the operations assigned to resource Reactor, you will see that the process has been branched into two: PreparationMachine and MoldingMachine.

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In this way, you will be able to easily create production schedules that branch in the middle of the production of a given item, by entering output instructions.

To learn more about Asprova specific to this sample demonstration, you may visit Asprova’s online help and its e-Learning videos at http://lib.asprova.com/ (see 24. Scheduling Logic).

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