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JÖST GmbH (2019)
I was excited to be invited to Joest GmbH, in Dulmen Germany but nothing prepared me for this project. The time I spent at Joest was perhaps the most hectic and yet fulfilling. There was little time to rest as I learned about Vibration Technology and it’s applications in the real world. I was even lucky enough to help assemble a water-cooled spiral elevator and accompany the Joest team to the world’s largest exhibition for Foundry equipment.
Working at JOEST GmbH.
The active part of a Vibrating feeder is the Vibrating motor. To generate the vibrations flyweights are placed on either end of the motor shaft. The unbalance weights on the drive shaft produce an oscillating force as the motor rotates. Since the shaft of the motor rotates in a circular motion and a single Vibrating motor has a circular vibration as the unbalanced weights rotate. However if you use 2 vibrating motors you can set them so that the forces of the motors cancel or add, generating circular or linear motion. I spent most of my time at the start testing these shakers so I could be prepared to work on a more complex grain transport system down the line.
Building a Cooler Conveyor
The spiral conveyor uses the above concept to move grains vertically in a spiral. The long helical pattern of spiral conveyors trough makes it ideal for cooling or heating because the materials are on the spiral conveyor for a long time. Hence spiral conveyors are often designed so that they can heat cold material or cool hot material as they move upwards. Functionally a water cooling spine is a long tube that is internally divided into 2 sections. The first was to carry cool water to the inlets and the second section was to carry hot water out from the outlets. This particular cooling tower was for a conveyor that was 6 meters tall. It had 9 inlets and 9 outlets. It also had one extra outlet that was used to release the pressure of any steam created if the water got too hot.
The GIFA/METEC Fair (2019)
GIFA is the world’s leading trade fair for foundry technologies. The fair occurs every 4 years: the last two were in 2011 and 2015 and the next one will take place in 2023. Over 70,000 visitors from over 100 different countries visited GIFA 2019 during the five days from the 24-29th of June. At GIFA 2019, JÖST GmbH + Co. KG presented its extensive products for foundry technology. I spent time at the following exhibits. 1. Molding sand preparation machines and plants 2. Crushing and grinding plants 3. Sand reclamation of synthetic resin bonded sands 4. Sand coolers 5. Screening machines and installations (silos and hoppers) 6. Dewatering Screens 7. Flip-Flow Screen (TOPCILLA) 8. Circular Motion Screen 9. Knock-out machines 10.Cooling conveyors 11.Oscillating conveyors
Pictures & Videos
