Over the past three decades, conveyor technology has seen numerous innovations, leading to enhanced safety and efficiency. However, changes in this field have not always been for the better. One such innovation was the introduction of even-toothed sprockets, intended to provide customers with more options when designing chain conveyor systems. However, experienced technical engineers generally do not recommend sprockets with an even number of teeth.
If a conveyor chain sprocket has an even number of teeth, the same tooth will engage with the same roller during each revolution, leading to uneven wear and reduced service life. A similar outcome occurs if the number of teeth on a smaller sprocket is a divisor of the chain's pitch count. Choosing a sprocket with an odd number of teeth will extend its service life by at least double. Double-pitch sprockets, although often overlooked today, are excellent for saving space and offer a longer wear life compared to standard sprockets. Suitable for long-pitch chains, double-pitch sprockets have more teeth than standard sprockets of the same pitch circle diameter and distribute wear more evenly across the teeth.
Many modern conveyors incorporate electronic load monitoring in their control systems. While this is a useful safety feature, technical engineers recommend using them in conjunction with shear-pin sprockets. Electronic sensing is ideal for situations where the load increases slowly (due to bearing damage or dust accumulation), as there is time to stop the drive before any damage occurs. In cases of misfeeds or mechanical jams, where the load increases suddenly, the sensor cannot automatically disconnect the motor from the drive load, which can cause severe damage to the conveyor chain and its attachments. This is why shear-pin sprockets are also necessary.
Initially, shear-pin sprockets may be more expensive than standard sprockets, but they limit downtime and save on replacement costs. If the conveyor is overloaded and faces potential danger, the shear pin breaks and stops the conveyor, thereby limiting the damage. Once the load or obstruction is cleared, only the shear pin needs replacement, meaning the conveyor can be quickly restarted. Older types of sprockets are often forgotten, but they can offer significant advantages, including longer service life, minimized damage when the conveyor fails, and lower replacement costs.
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1. We have strict quality control to ensure the quality of our products.
2. We provide exquisite packaging to protect the products before transportation.
3. A powerful factory with many years of production experience.Steel Conveyor Chain
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