How should a flat die granulator be maintained?
As a core piece of equipment in an organic fertilizer production line, a flat die granulator requires proper maintenance to not only extend its service life but also maintain stable pelletizing results and reduce production losses. Master the following maintenance tips to keep your equipment in top condition.
The die and roller are the components that wear the fastest. After each downtime, clean any remaining material promptly to prevent moisture and agglomeration, which can lead to surface wear. Check the die aperture weekly for blockage. Use a special needle to remove fine particles to ensure smooth material discharge. The roller bearings require monthly refills of high-temperature grease to prevent noise or seizures caused by oil starvation. Ensure that the grease type matches the equipment requirements to avoid mixing and chemical reactions.
Drive system maintenance is essential. Check the belt tension at the motor-reducer connection weekly. Excessive looseness can lead to power loss, while excessive tightness can exacerbate bearing wear. Adequate belt tension of 1-2 cm is recommended. Reducer lubricant should be changed every three months, and one month after first use to prevent metal debris from damaging the gears during run-in. A comprehensive overhaul is required every six months. Check the mold surface for wear. Any noticeable grooves should be promptly repaired by grinding, otherwise uneven pellet formation will occur. Cracks or deformations on the roller surface should be replaced immediately to prevent equipment vibration caused by uneven force. Also, inspect the electrical system, clean dust from the control cabinet, and tighten the wiring terminals to prevent moisture and short circuits.
Proper maintenance of a flat die granulator can reduce downtime by over 30%, maintain a stable pelletization rate above 90%, and reduce long-term maintenance costs by 20%. Developing a regular maintenance habit will ensure efficient operation of your equipment and safeguard your organic fertilizer production.
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