In the Adaptive Machine Platform Prolynk, manufacturing machinery and assembly stations can be configured and combined with total flexibility. The parts move individually from station to station, in a mini-taxi so to speak.
The Mini Series Takes a Taxi
Article from | FAULHABER MICROMO
The Internet of Things makes it possible to produce individualized products automatically – in batches as small as a single product. The path of the component through the assembly process thereby takes on an entirely new meaning. In the Adaptive Machine Platform Prolynk, manufacturing machinery and assembly stations can be configured and combined with total flexibility. The parts move individually from station to station, in a mini-taxi so to speak. FAULHABER supplies the drive technology for the small AGVs.
When Henry Ford installed the first "moving assembly line” in 1913, he increased the production of his cars eightfold – a quantum leap in production efficiency. This allowed him not only to drastically reduce the price of his Model-T but also to increase his workers’ wages. It’s no surprise that this success was soon copied. Even today, countless products are produced according to the assembly line principle. It is, however, less suited for small series and not at all for individualized, automatic production. But this is one of the goals of Industry 4.0 and the Industrial Internet of Things (IIoT): individual products should be designed and equipped according to customer requirements – with the highest possible level of automation. This requires flexibility in the processes that is not very compatible with the permanently installed path of a conveyor belt.
Components take a taxi
With the Prolynk technology, the configuration of the "assembly line” can be freely adapted or reconfigured, following changing requirements. The components no longer travel on a predetermined path, but instead take a taxi in the form of a small driverless transport unit (automated guided vehicle, AGV): "The part to be processed is thereby reliably transported to all required stations,” explains Antonio Sanchez, Chief Commercial Officer of Prolynk. "The processing steps, whether performed manually or by robots, can occur completely individually. Yet, the sequence is still automated.” A platform made of standardized tableshaped modules serves as the physical basis of the system. It consists of standardized plates and can be designed freely with respect to size and shape. Simple metal plates form the base unit and serve as movement surface. A variant of the base plate is equipped with fastening indexing units. For production steps that require high precision or for which a larger application of force needs to be compensated, they hold the vehicle and component in position. Here, the plate element also has an opening in the middle. This can be used to perform processing from below as well, as it corresponds exactly to the shape of the opening in the AGV.
Arbitrary sequence of the assembly stations
The Prolynk AGV is available in two sizes (325x230 and 450x350 millimeters); the maximum load is between 5 and 35 kilograms depending on the model. The component to be processed is secured for travel to the individual assembly stations via the opening in the middle. These stations can be freely attached, including manual jobs as well as tasks performed automatically by machines or robots , e.g., laser rule to function. The motion controllers of type MC 5004 P and encoders of the IE3-1024 series from FAULHABER play an important role here. They detect the rotation of the brushless motors of the BX4 series, which is used by the Prolynk electronic motherboard to do the odometry, calculate AGV position and manage motion control. The motor’s force is transferred to the drive belts of the wheels by planetary gearheads of the 32/3 design. "If a company decides on the Prolynk solution, the small AGVs become the heart of a production process. They must, thus, function completely reliably and with a very low level of maintenance, over as long a time as possible, securing a low total cost of ownership” says Antonio Sanchez, explaining the priorities for selecting the AGV components. "With the drive unit, the quality of the products had top priority for us.
FAULHABER can guarantee us not only the required quality, but the motors also offer additional advantages that are essential for our application. There is very little space in the vehicle. Even so, a great deal of motor power is needed to move what are often heavy parts at the required speed. With respect to the ratio between volume and torque, the BX4 series is a leader on the global market. This power density is a key factor in allowing us to offer our customers a solution that is as reliable as it is flexible.” The combination of reliability and flexibility gives users of the Prolynk solution maximum flexibility in designing their production processes. They can theoretically get started with a small platform consisting of just a few plates and a single mini-AGV. The system can be freely expanded or reorganized, with high flexibility and machine adaptability. Smart functions are available and the Prolynk technology is easy to integrate into the PLC architecture. New products, new processes and technologies can also be easily integrated; the existing modules can be rearranged depending on circumstances. "There are no limits to the system's adaptability,” emphasises Antonio Sanchez. "The production capacity follows directly from the order situation.”
The content & opinions in this article are the author’s and do not necessarily represent the views of RoboticsTomorrow
Since 1961, FAULHABER MICROMO has partnered with OEMs to deliver high precision, high performance, custom micro motion system solutions to markets such as medical, robotics and automation in North America. FAULHABER MICROMO's tradition of innovation started decades ago in Germany. The groundbreaking invention of the FAULHABER coreless winding started it all for a market that produces millions of motors today. How can the FAULHABER MICROMO team help you deliver your next innovation to market first? Learn more about MICROMO's solutions for the most demanding applications, our diverse motion products and technologies, online ordering, Engineering and R&D teams, Clean Room Assembly, Machining Center and other services at our Clearwater, FL facility at https://www.faulhaber.com.
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