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How to Resolve Overload Issues with Laboratory Fiber Grinding Equipment
Release time:
Oct 18,2025
First, Emergency Handling to Prevent Equipment Damage
1.Immediately press the equipment's emergency stop button or turn off the power to prevent the motor from burning out due to continuous operation under overload.
2.Wait for the equipment to come to a complete stop (e.g., the ball mill grinding jar stops rotating, the crusher rotor comes to rest) before conducting subsequent operations to avoid injury from inertial parts.
3.Inspect the external appearance of the equipment to check for abnormal noises, smoke, or component deformation. If obvious damage is found, contact maintenance personnel first and do not attempt to start the equipment forcibly.
Second, Core Solutions: Reduce Load and Optimize Parameters
The core cause of overload is that "the actual load of the equipment exceeds its rated capacity," which requires adjustments from three aspects: raw materials, grinding media, and parameters.
Reduce Single Feed Quantity
1.Refer to the equipment manual to confirm the rated feed capacity (e.g., 50%-60% of the ball mill grinding jar volume is the safe range).
2.If the previous feed quantity was close to or exceeded the rated value, remove part of the raw materials and control the single load within 40%-50% of the rated capacity to reserve sufficient space for the movement of raw materials and media.
Adjust Grinding Media Ratio
1.For ball mills, check the filling amount of grinding balls. Excessive balls will occupy the space for raw materials and increase the load. Reduce the number of balls and maintain a ratio of "balls : materials : empty space" at approximately 4:3:3.
2.If large-diameter grinding balls (e.g., over 10mm) were used for rough grinding, replace them with small-diameter balls (5-8mm) to reduce the resistance when the equipment is driven.
Lower Initial Operating Parameters
1.Do not start the equipment at high speed directly (e.g., it is not recommended to start a ball mill at 500r/min directly). First, operate it at a low speed (200-300r/min) for 5-10 minutes to stabilize the load gradually.
2.If the equipment has an "intermittent operation" mode, enable this mode (e.g., run for 10 minutes and stop for 2 minutes) to prevent the motor from operating at full load for a long time.
Third, Long-Term Prevention to Avoid Reoccurrence of Overload
Strict Raw Material Pretreatment
1.Ensure the raw materials are cut into small sections of 1-5cm and free of hard impurities such as metal shavings and stones to prevent large pieces or hard objects from jamming equipment components and indirectly causing overload.
2.Dry damp raw materials (moisture content ≤ 10%) to prevent caking, which increases grinding resistance and the equipment load.
Regular Equipment Status Inspection
1.Inspect the equipment's transmission components (e.g., bearings, belts) weekly. If insufficient lubrication is found, add special lubricating oil in a timely manner to reduce additional load caused by mechanical friction.
2.Before each use, start the equipment without load and run it for 1-2 minutes. Confirm that components such as the motor and rotor operate normally without jamming before feeding.
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