Mitsubishi Simple Motion module reduces filling machine costs
Mitsubishi Electric Simple Motion module combined with an L Series PLC offers advanced motion control functions such as positioning, speed control, torque control, cam control, synchronous control and mark detection to be realised simply using parameter settings.
A key feature of the Simple Motion Module is the way it simplifies system set-up by using parameter settings instead of motion programming. Positioning control is executed using a data table method, with the positioning data simply set by using functions such as Automatic Command Speed Calculation, Offline Simulation, automatic calculation of auxiliary arc and others.
Its one touch auto-tuning automatically sets up the servo parameters, reducing setup times by up to 80%, and typical applications include Industrial powder filling, pouch packaging and food and beverage bag filling.
Vertical form fill & seal
Vertical form fill & seal applications utilize servo motor technology to accurately pull and feed plastic film material from a roll stock to be heat formed, volume dosed with a product, and then sealed and cut to be carried away by an unloading conveyor. Product entering the feeder can vary from a viscous fluid to a solid material and will often play a key role in how the machine is designed.
While the methods for filling and sealing vary from machine to machine, vertical form fill & seal applications are essentially organized into two categories; Continuous motion bagging machines, and intermittent motion bagging machines.
As part of the Simple Motion Module programming environment, virtual servo motor movement can be commanded through an electronic line shaft in order to ensure that each actual servo motor’s movement begins at the same time. This control takes place through the LD77MS where the program is written in GX Works2 (which is a part of the IQ Works).
Sealing takes place with absolute servo moves to seal the bottom of a bag, while simultaneously sealing the top of the bag that’s already been filled. A blade moves to cut the material in order to release each finished bag from the tube. The bag then falls onto the exit belt to be carried away for boxing.
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