Construction Machinery Shaft Sleeve

A shaft sleeve in construction machinery is a cylindrical component designed to protect the shaft from wear, corrosion, and other damage. It's often made from durable materials like stainless steel, bronze, or hardened alloys. These sleeves can be installed over a shaft to extend its lifespan by acting as a sacrificial layer. In machinery, the shaft sleeve serves several purposes:

Protection from Wear: Construction equipment operates in harsh environments, often exposing parts to dirt, moisture, and heavy loads. Shaft sleeves protect the underlying shaft from abrasive particles or contaminants.

Corrosion Resistance: Some sleeves are made from materials resistant to rust and corrosion, offering long-term protection in wet or chemically aggressive environments.

Ease of Maintenance: Rather than replacing an entire shaft due to wear, the sleeve can be replaced, making maintenance quicker and more cost-effective.

Alignment: Some shaft sleeves help maintain the alignment of the shaft and its associated components (like bearings) to ensure smooth operation.
dimensional stability:thermal expansion coefficient is small, ‌ size is stable, ‌ can maintain stable performance in various working environments.
high precision:centrifugal casting can produce parts with higher forming accuracy and surface quality.liquid metal flows more smoothly under the action of centrifugal force, ‌ reduces the deformation during cooling. ‌
The advantages of construction machinery shaft sleeve mainly include high strength combination, ‌ good wear resistance and bearing performance,high flexibility,dimensional stability,high precision,economy,wide operating temperature range,self-lubrication performance and good mechanical bearing capacity and anti-wear and anti-wear performance.  ‌

In construction machinery like excavators, cranes, or bulldozers, shafts are critical for the transmission of power, motion, or support. The shaft sleeve ensures that the shaft performs efficiently without frequent need for replacement or repair.
FTM can customize shaft sleeve of different sizes and hardness to match different application scenarios