Rigid shaft coupling

A rigid shaft coupling consists of two hubs that are firmly connected to the shafts to be connected and an intermediate piece in between that mechanically connects the two hubs. These couplings do not allow any axial, radial or angular movement between the shafts, which results in very precise and direct power transmission.

Function and operating principle of a rigid shaft coupling

The main principle of a rigid shaft coupling is based on a fixed connection between the shafts to be coupled. This is achieved by mechanical fits, such as feather keys, wedge connections or clamping rings. The rigid design ensures that the torques and rotational speeds can be transmitted with virtually no losses.

Features and advantages of a rigid shaft coupling

Rigid shaft couplings offer several advantages for mechanical engineering:

• High transmission accuracy: Minimizes play and allows precise positioning.
• Robust design: Suitable for applications with high torques and loads.
• Maintenance-free: Due to their simple design, rigid couplings are often low-maintenance.
• Versatility: They are used in various industrial sectors, including automotive engineering, machine tools and test benches.

Areas of application for the rigid shaft coupling

Rigid shaft couplings are used in numerous applications, including

• Machine tools: Transmission of torques between motor and tool spindle.
• Vehicle technology: Connection of engine and gearbox for power transmission.
• Industrial systems: Use in large pumps, compressors and generators.