Drive technology
Your expert for frictional connections
TAS SCHÄFER GmbH is a leading supplier of high-precision frictional connections and coupling systems for industrial applications. With decades of experience and technological expertise, the company develops customised solutions for various sectors, including wind energy, mechanical engineering and heavy industry.
A reliable connection
In modern drive technology, various connecting elements such as shrink discs, shaft couplings, flange couplings and locking assemblies play a crucial role. These components are essential for the transmission of torque and forces in machines and systems.
Hydraulic, 2- and 3-part
FK, FKB, FKS, etc.
AFS, AF-12/22/23
Typ W, WLA, WLB, WK
3003, 4006, 8006, 130, etc.
Damping technology
3071, 3173, 3012, 3020, etc.
Shrink discs in drive technology
Shrink discs are mechanical connecting elements that enable a backlash-free and force-locked connection between shaft and hub. They are used in wind turbines, conveyor systems and heavy-duty machines where high torques and axial forces have to be transmitted. They are easy to assemble and disassemble, making them particularly maintenance-friendly and reducing downtime.
Shaft couplings for precise power transmission
Shaft couplings connect two shaft ends and ensure precise power transmission. They are used in a wide range of industrial applications, such as conveyor belts, pumps and gearboxes.
Flange couplings for robust connections
Flange couplings are ideal for applications that require robust and reliable connections. They are frequently used in heavy industry, in construction machinery and in shipping. Flange couplings enable high torques to be transmitted safely while also offering an easy way to assemble and disassemble.
Locking assemblies for flexible fastenings
Locking assemblies are used for the force-locked fastening of hubs on shafts. They are widely used in drive technology and are used in mechanical engineering, the automotive industry and conveyor technology. ClaLocking assemblies enable a flexible and releasable connection that can transfer high forces without damaging the shaft.
Advantages and applications
Simultaneous transmission of several loads such as torsional and bending moments, axial or transverse forces
Simple assembly and disassembly through backlash-free joining of shaft and hub
Notch-free shaft-hub connection. Hub can be positioned in both the direction of rotation and the axial direction.
Insensitive to shocks and impacts in the drive train
Frequently asked questions
How do I choose the right locking assembly?
Selecting the right locking assembly or internal locking assembly depends on several factors:
Torque requirements: The internal locking assembly must be able to transfer the required torque.
Shaft and hub diameter: The sizes of the shaft and hub are crucial for the correct selection.
Axial loads: Consider whether the internal locking assembly must absorb axial forces.
Operating conditions: Environmental factors such as temperature, humidity and corrosion can also influence the selection.
Hub geometry: When selecting a locking assembly, the available space and the geometry of the hub must also be taken into account.
What tolerances and surface finishes are recommended for the use of locking assemblies?
We recommend an h8 tolerance as standard for the shaft. The recommended tolerance for the hub is H8. The recommended surface roughness for the shaft and hub is Rz10. However, depending on the type of locking assembly, other tolerances may be recommended. For exact details, please refer to the catalogue. Deviations are possible by agreement.
What advantage does the three-part shrink disc offer when it comes to disassembly?
Due to the larger cone angle, the three-part shrink disc opens automatically after the screws are loosened. However, due to the constant screw preload, it is necessary to loosen the screws very evenly. Due to the flatter cone angle and the resulting self-locking effect, the two-part shrink disc must also be pressed off using auxiliary threads.
