FOUNDRIES
Feeding annealing ovens
with a reduced drop height
Modernization and automation of a pusher-type furnace.
In this year’s spring, JOEST delivered Lifting and Tipping Technology in the form of a Lift and Swivel Column to Leinefelde. The client requested a solution to automatically load and unload annealing ovens with Heson stackable containers.
All the equipment was to be placed in a single cell and enclosed by a safety fence. JOEST designed and manufactured an ideal client solution using Lift-ing- and Tipping Technology as well as Magnetic- and Trough-Type-Feeders.
The stacking containers are fed into the system on one side by the client. On the other side, the container filled with tempered parts can be removed. The entire loading and unloading process of the oven is fully automated. The container is docked to the load handling attachment of the Lift and Swivel Column, type MSH.
The machine lifts the container over a JOEST Trough-Type-Feeder, turns by 180 °C and dips into the feeder as far as possible. Until the machine reaches its final position, the parts are held back by a hydraulic flap. Once the flap has opened, the machine slowly retreats, and a small unbalances motor helps with the residual discharge.
process, which is currently performed manually, will also be automated using load cells. The loaded baskets are then pushed into the oven.
After the annealing process, the treated parts exit the oven on the other side at a temperature of up to 400 °C. The filled annealing basket is transported laterally into a hydraulic Tipping Device from the series MDD, which feeds the parts onto a heat resistant JOEST Magnetic Feeder. This feeder doses the parts into a stacking container. During the feed period, the container is tilted towards the feeder by a mechanism, recusing the drop height.
Reducing the drop heights of the parts was a major focus throughout the entire system’s design. This was made possible by a hydraulic double flap, a PU liner in the feeders, individually programmed SPS formulations for different parts and the “dipping” motion into the feeder. Furthermore, the JOEST Feeders are equipped with the latest JM-8 Magnetic Drive which stands out due to its low noise emissions and optimal dosing performance.
Charging & Feeding
The video of charging hardening furnaces
Weitere Beiträge
My name is NOIRET Garance, I am 21 years old and I am a French student. As part of my engineering studies in 4th year in Energy Mechanics I had the opportunity to do my internship abroad at the company Joest in Germany.
In conventional exciters, the bearings are lubricated by oil mist. The gears inside the housing churn the oil into fine droplets, which are distributed within the gearbox. Only a portion of these droplets reaches the rolling bearings and provide the lubrication. Some housings have oil collection pockets on the inside. These are intended to guide the oil along the inner surfaces of the housing downwards into the bearings. However, the entry of oil into the bearings is random and the quantity is undetermined. To improve the entire lubrication, the JOEST Oil Management System has been developed.
2024 was a special year in many ways for our continuously growing JOEST group. To start, we completed the largest acquisition in our company‘s history at the turn of the year with the purchase of the MOGENSEN Group and its locations in Germany, Spain and Sweden.
Yesterday was the day: our traditional #JOESTeam Day Christmas 2024 took place, and it was an evening we will all remember. Amidst the magical, Christmas-lit backdrop of Dülmen’s market square, we came together to bring the year to a close. The ice rink, which was all ours that evening, provided the perfect stage for an exciting and entertaining curling tournament.