1. Pick up and place
For workers, manual pick-and-place should be one of today's repetitive tasks. Boring and vulgar operations can easily lead to worker errors, and highly repetitive body movements can also easily lead to physical fatigue and damage. Starting with the pick-and-place mission, applying cobots is a good start to reducing repetitive work for workers. A pick-and-place mission is when an artifact is picked up and placed at another address. In practice, this operation can be used to pick up items from pallets or conveyor belts for packaging or sorting. Picking up from conveyor belts also requires advanced vision systems. Pick-and-place cobots require an end actuator to grip the object, which can be a gripper or vacuum suction cup device.
2. Take care of the equipment
Equipment care requires workers to stand in front of CNC machines, injection molding machines, or other similar equipment for a long time to pay attention to the operational needs of the machine, such as replacing tools or replenishing materials. This process is time-consuming and vulgar for the operator. In this situation, the use of cobots not only frees up workers, but also improves productivity by protecting multiple machines with one cobot. Cobots in the care category require device-specific I/O docking hardware. These hardware indicate when the robot will enter the next cycle of production or when it needs to replenish the material.
3. Packaging and palletizing
The packaging and palletizing of products falls under a subcategory of the Pick & Place category. Before a product leaves the factory floor, it needs to be properly prepared for shipping, including shrink wrapping, box assembly and loading, box packing, and pallet placement for shipment. This type of work has a high repetition rate and includes some small loads, making it ideal for replacing manual work with cobots. Rapid product changeovers are key to high-volume-producing companies with a mix of high and low yields. This application requires the use of conveyor tracking to synchronize the movement of the robot and the conveyor. For products with inconsistent shapes, it is also necessary to combine the visual system with the application.
4. Processing operations
Machining is the process of manipulating a workpiece with anything that is required. Cobots are commonly used in gluing processing, dispensing, and welding processes. Each of these machining tasks requires the use of something to repeat a fixed path. These missions can only be achieved if they take advantage of the needs of new employees and invest a lot of time in training. With cobots, it is possible to program one robot and then replicate it to other robots. Together, the cobots also deal with the accuracy and repetitive manipulation of the worker's completion. The traditional welding robot system generally requires operators to have very robot programming and welding knowledge.
The advantage of the collaborative robot system is that it simplifies the programming, which can be completed only through the method of address and orientation recording or traditional CAD/CAM programming, simplifying the robot programming, so that workers with only welding experience can also complete the programming of the collaborative robot. The choice of Polyscope's interface helps to maintain a stable TCP speed, ensuring that the robot can feed the material at a constant speed. Depending on the type of fixed torch, sealant, glue, or solder paste, the finisher actuator used in the robot will vary.
5. Finishing operations
Manual finishing is necessary and the process is often laborious. Vibrations from things can also cause injury to the operator. Cobots are able to deliver the force, repeatability and degree required for finishing. The types of finishing that robots can do include polishing, grinding, and deburring. The robot can be taught to complete the corresponding actions through manual teaching or computer programming. The force control system of cobots makes robots more and more useful. Finishing of parts of different sizes can be done through end actuators or built-in force sensing devices.
6. Quality inspection
Finally, cobots are also capable of quality inspection of parts. This process generally includes a comprehensive inspection of the finished part, a high-resolution image inspection of the finely machined part, and a comparison of the part with the CAD model. Fixing multiple high-resolution cameras on the cobot automates the quality inspection process and enables fast inspection results. The use of cobots for inspection can achieve high-quality inspections and more accurate batches. The end inspection requires a end actuator with a high-resolution camera, a vision system, and software.
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