The lifting speed of an electric digital crane scale can vary depending on the specific model and manufacturer. Generally, electric digital crane scales are designed to provide a controlled and adjustable lifting speed to accommodate different applications and user preferences. The lifting speed is typically expressed in terms of meters per minute (m/min) or feet per minute (ft/min).

It's important to note that the lifting speed may be influenced by factors such as the load capacity of the crane scale, power source, design features, and safety considerations. Manufacturers usually provide information on the lifting speed in the product specifications and user manual.

Regarding the concern about the chain getting stuck, several factors can contribute to this issue:

Chain Quality:

The quality of the chain itself plays a significant role. High-quality chains with proper lubrication and construction are less prone to sticking.

Maintenance:

Regular maintenance, including proper lubrication of the chain and other moving parts, can prevent issues like sticking.

Alignment:

Proper alignment of the chain with the pulley or sheave is crucial. Misalignment can lead to uneven movement and potential sticking.

Load Distribution:

Unevenly distributed loads or side-loading of the crane scale can cause the chain to deviate from its intended path, leading to potential issues.

Overloading:

Exceeding the maximum load capacity of the crane scale can strain the chain and increase the risk of issues.

Tension Adjustment:

Some crane scales allow users to adjust the tension of the chain. Incorrect tension settings can affect the smooth movement of the chain.

Environmental Conditions:

Harsh environmental conditions, such as excessive dust, debris, or extreme temperatures, can impact the performance of the chain.

To ensure optimal performance and prevent the chain from getting stuck, it's essential to follow the manufacturer's guidelines for maintenance, use the crane scale within its specified load capacity, and conduct regular inspections. If issues with chain movement arise, addressing them promptly through proper adjustments or maintenance can help maintain the smooth operation of the electric digital crane scale. Always refer to the user manual provided by the manufacturer for specific guidance on the lifting speed and maintenance procedures for your crane scale model.