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Latest company case about Purpose of Preliminary Heat Treatment

Purpose of Preliminary Heat Treatment

The purpose of preliminary heat treatment is to improve machinability, eliminate internal stresses, and prepare a suitable metallurgical structure for subsequent final heat treatment. Common processes include annealing, normalizing, aging, and quenching & tempering (also known as conditioning).
2025-09-22
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Latest company case about Case Study: Shaft Failure Due to Stress Concentration at a Keyway

Case Study: Shaft Failure Due to Stress Concentration at a Keyway

"A fatigue crack initiation point formed at the root of the keyway. The reason why a small fillet or sharp corner at the keyway root easily becomes a fatigue source can be understood by comparing it to the tear notch on a instant noodle package. Due to our general lack of in-depth research and ...
2025-09-22
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Latest company case about Beneficial Applications of Stress Concentration

Beneficial Applications of Stress Concentration

Stress concentration also has many beneficial applications in daily life. A prime example is the tear notch on the packaging of the snacks we eat. These notches are typically serrated or triangular-shaped. This design intentionally creates points of high stress concentration, allowing the package to ...
2025-09-22
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Latest company case about The Importance of Keyway Root Fillet Radii

The Importance of Keyway Root Fillet Radii

When the root fillet radius of a keyway is very small, approaching zero (effectively a sharp corner), it creates a significant stress concentration. The presence of this stress concentration severely reduces the load-bearing capacity of the shaft.
2025-09-22
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