Shaft Keyway: The 2026 Foundation Of Mechanical Torque Solid With Keyway Shandong Tieyi Precision Steel Tube Co Ltd

Shaft keyways play a crucial role in the design and functionality of mechanical couplings The protruding flat section of the woodruff key engages the sides of this hub keyway, physically interlocking the two parts. They are essential components that ensure the proper transfer of torque between shafts and connected machinery

HFS-ST3 Keyway Shaft Type Static Torque Sensor Torque Speed Sensor

Understanding the importance of shaft keyways can enhance the reliability and performance of mechanical systems. A component such as a gear or pulley, which has a corresponding longitudinal keyway slot, is then slid onto the shaft This research contributes to the broader discourse on mechanical connection innovations, offering a novel perspective on torque transmission solutions

A keyway on a shaft is a precise, geometrically cut groove or slot machined along the axial length of a rotating cylindrical part

This feature serves as an integral part of a mechanical connection, providing a recess that will ultimately house a separate component known as a key. Complete guide to shaft keys covering the motor key types, dimension formulas, strength calculations, material selection, and practical case studies for reliable torque transmission. Calculate deformation and stress of a shaft with keyway under torque using equations and calculator, understanding the impact of keyway on shaft strength and performance in mechanical engineering applications. The keyway design is according to din 6885 for an internal diameter d = 100mm outer diameter is do = 300mm

The applied boundary conditions for the fe model is a symmetry condition on the hub and shaft center plan (in the axial direction), further the hub is clamped on the outer surface. Shaft keyways and keys are used to transmit torque from shafts to mechanical transmission elements such as gears, and pulleys, using a keyed joint They can be made using a standard stock material such as key stock or custom machined to suit the application. Calculate shaft key size, torque, stress, and safety instantly with our free online shaft key calculator

Fast, accurate, and easy to use.

Types of coupling covered on this page shaft capacity it is first good practice to estimate the torque which can be transmitted by the reduced shaft diameter i.e the diameter of the shaft which is not including the depth of the key /spline Tables of the various factors and design strengths are found on webpage A key is a mechanical element that connects a shaft and hub, transmitting torque and preventing relative rotation. This calculator determines the minimum number of keyways required to transmit a load on a shaft

The calculation considers the torque acting on the shaft, the coefficient of friction between the shaft and key, and the shaft's diameter. Even slight deviations can lead to operational issues The keyway creates a groove in the shaft or hub, which can lead to stress concentration and potential material failure over time Ansi woodruff keys shaft with four keyways torque applied deformation and stress equations and calculator shaft with keyway torque applied deformation and stress equations and calculator metric key keyway dimensions parallel key and taper keys dimensions shaft keyway shear and yield strength formulae and calculator

Keyway shafts are widely used in mechanical systems where precise and secure connections are essential

When designing keyways and keys, it is important to consider factors such as the type of load, the material of the shaft and hub, and the required precision of the fit. A keyed joint is a joint between shaft and hub using a shaft key and keyway to prevent relative motion between hub and shaft to transfer power Keyed joints have the following applications in gear drives, pulleys, etc. A keyed joint consists of a key and keyway, linking the hub and shaft to prevent relative movement in mechanical systems like gear drives, pulleys, and sprockets.

A parallel key requires a keyway with sharp, squared corners cut into the shaft These corners inherently act as stress risers, concentrating operational loads and potentially leading to fatigue failure in the shaft material over time Conversely, the milling process for the woodruff keyway creates a smooth, rounded bottom surface in the shaft. 1 introduction key connections are one of the most simple shaft hub connections with design specifications available in standards see e.g

For other standard designs see general machine element books e.g

The points favouring a key connection is Low production cost, easy assembly/disassembly and the possibility for overload avoidance The negative points are no axial fixation. They are commonly used in various industrial and mechanical applications where torque transmission between a shaft and a hub is required, and where the angle of the taper can be varied to adjust the fit between the key and the keyway.

A keyway is a groove or slot machined into the shaft of another component, such as an industrial gear or sprocket A key can be inserted into the grooves to create a mechanical link between each component—think of a doorknob, where a key is inserted into the slot, pushing down each keyway groove in a pattern to unlock the door. The keyway calculator is a valuable tool that simplifies the complex process of calculating keyway dimensions. Understanding keyways a keyway is a slot or groove cut into a shaft or a corresponding component that accommodates a key

A key is a small piece of material—usually made from steel—that fits into the keyway and connects two components, ensuring that torque is transmitted without slipping.

Once seated, the key protrudes slightly above the shaft's surface, creating a mechanical barrier