Wherever the human factor must or should be included in production and assembly processes, intuitive worker guidance is an ideal tool for avoiding production errors, rework time or unnecessary handling times. The topic of worker guidance has been around for a long time. It started when a printed A4 sheet with the correct orientation of a component to be inserted was stuck to the worker's workstation.
In times of digitalization and virtual reality, worker guidance is reaching higher levels, up to and including special AR glasses. The orientation of the current component is shown to the worker on the glass of the semi-transparent glasses. The worker therefore knows in the next work step where the component should be correctly assembled. As is so often the case, the ideal fulfillment of the customer requirement lies somewhere in the middle. The possibilities are diverse. As can be seen in the picture, with digital worker guidance, a display in the upper area of the workstation shows which processing steps are to be carried out.
The worker guidance is embedded in the electronic production control. The connection to other system components is made via a digital signal flow. The production control knows exactly which product and which product variant is to be built next. In this way, the control system can guide the worker step by step through the necessary operations. In the standard case, the worker guidance is visualized on an HMI (Human-Machine Interface) installed at each workstation.
In addition to the simple display of images, values or assembly sequences on the HMI, there are many other options. Images and indicative symbols can be projected into the work area. Visual indications make it easier to access the correct shelf compartment or physically block incorrect shelf compartments. Screwing sequences are displayed on the HMI and activate the screwing tool when the position is reached and held. When the position is left or the correct torque is reached, the screwing tool is then switched off again.
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