What Causes Biomass fuel pellet machines to Have a Short Service Life?

Dec 24, 2025

The first key maintenance factor: Inadequate lubrication, leading to dry friction and damage to components. Components such as the pressure roller bearings, transmission system, and reducer all require lubrication to function properly. If lubrication is not added or changed for a long time, the components will dry-grind, causing overheating and, in severe cases, seizing or damage. For example, insufficient grease in the pressure roller bearing will result in uneven rotation, leading to uneven wear of the pressure roller, increased motor load, and even motor burnout. The correct lubrication method: Regularly add the dedicated lubricating oil according to the electric flat die pellet mill's instruction manual-add high-temperature grease to the pressure roller bearings every 200 hours, and change the gear oil in the reducer every 1000 hours. When changing the oil, completely drain the old oil, clean the oil tank, and then add new oil. Mixing different types of grease is strictly prohibited.

The second key factor: Failure to replace core wear parts in a timely manner, accelerating equipment damage. The pressure roller and die are the fastest-wearing parts of the Wood Chip Fuel Pellet Machine. If they are left to wear out to the point of being unusable before replacement, other parts of the equipment will also be damaged. For example, wear and grooves on the surface of the pressure rollers can increase equipment vibration, potentially damaging the motor and transmission system. Increased wear and enlargement of the die orifice can increase pressing pressure, further burdening the motor. The correct approach is to maintain a component wear log and regularly inspect the pressure rollers and dies-replace them promptly when the surface wear exceeds 2mm, the die orifice enlargement exceeds 0.5mm, or the pellet forming rate falls below 80%. After each production run, thoroughly clean any residual material from the pressure rollers and dies to prevent material agglomeration and corrosion.

The third maintenance factor is improper motor maintenance, which significantly shortens the motor's lifespan. The motor is the core power source of the small biomass wood pellet machine. Many users neglect motor maintenance, leading to premature motor failure. Common problems include: dust accumulation on the heat sink causing overheating due to poor heat dissipation; insufficient grease in the bearings resulting in high rotational resistance; and loose electrical wiring causing unstable current. Solutions: Regularly clean dust from the motor's heat sink to ensure proper heat dissipation; lubricate the motor bearings with grease every 300 hours; regularly check the motor's wiring terminals, tightening any loose ones and replacing aging wires promptly; also ensure the motor's overload protection and leakage protection devices are functioning correctly to prevent damage from overload or leakage.

Another easily overlooked point: seal maintenance. Equipment seals prevent lubricant leakage and material entry into components. If aged or damaged seals are not replaced promptly, it will lead to lubricant leakage, dry friction of components, and allow material dust to enter the bearings and motor, accelerating component damage. It is recommended to inspect all seals every 6 months, replacing any aged or cracked seals immediately, selecting a model compatible with the equipment.