This is because the Convey block immediately starts moving objects when it receives them, due to it not having a built-in queue: if the beginning of the conveyor line is already occupied, new agents cannot enter. Note that in the Advanced section the option Forced pushing is inactive. The Source block generates boxes that move along a conveyor with an arrival rate of 20 per minute. The location of the photoEye on the conveyor network In our case, it is placed on the conveyor before the fork and determines the type of order. This is a point on the conveyor which recognizes objects and send them to the correct conveyor line. To make boxes go to the desired packing station, use the photoEye markup element ( Position on Conveyor). The order type (plain or fragile) is set using a variable before the box moves along the conveyor. Processing station properties (for fragile orders) Location of the processing stations on the conveyor network For the fragile items package station, the packing time is set to 10 seconds. The box packing time at a standard station is set in the Delay field of the item properties (1 second in our model). Place it on the conveyor network by dragging it from the palette. It is modeled by the layout element Station. Processing at a packaging station (see below) delays the agent and changes its state. Turntable element properties – you can set the speed objects travel and the speed of rotation Turntable and Transfer in the conveyor network These markup elements represent the actual conveyor equipment. These can also be added to the conveyor network by dragging them from the palette. If the junction angle is straight, a Transfer element is created, otherwise a Turntable appears. An element will appear in the junction that is responsible for moving an object from one line to another. To create a multi-conveyor network, just connect two conveyor lines. In the properties of the markup element, leave all the default values. acceleration and deceleration parameters.type of simulated conveyor: belt, roller, tilt-tray (fixed cell) conveyor.To create a network, use the Conveyor layout element to draw a line of arbitrary appearance and width. The main block of the model – Convey – is responsible for moving the agent along the conveyor network. They can be seen in the animation windows are embedded directly into this text. They can be found on the AnyLogic main screen in the ‘Example Models’ section under ‘How-To > Material Handling Library’. I will look at them in detail with the help of the models of the same name. The Convey, ConveyorEnter and ConveyorExit blocks, along with other special space-markup elements, are built into the Material Handling Library to simplify the modeling of conveyor systems. I recommend that you build these models yourself while reading the blog: you will learn how to use the library faster! Don’t forget, you will need the free or commercial version AnyLogic 8.3. In a series of blogs, I will examine, in detail, the training models and elements of the new library. These systems are often found in production facilities and in warehouses – they transport parts between workstations, sort finished products and deliver them to storage areas. They demonstrate the main features of the library through the use of example conveyor systems. To go with the release of the Material Handling Library we prepared a set of training models. See how simulation improves material handling in our whitepaper!įor a comprehensive look at the Material Handling Library, with webinars, how-to videos, interactive models, and more, get our AnyLogic MHL email pack.
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