Kesseparation
18in big bowl centrifuges
Shaker Screen Maintenance, Replacement Cycle and Damage Diagnosis
2025-03-05

The shaker screen is one of the most critical yet vulnerable parts of a shaker. Its performance directly affects the efficiency and product quality. Due to varying operating conditions and material properties, the replacement cycle of the screen can differ.


Factors Affecting Replacement Cycle

1) Material characteristics & workload:
When separating abrasive or highly adhesive materials, the screen experiences increased wear from friction and impact. Under heavy duty conditions, some screens may last only 2–3 weeks, while under milder conditions, their lifespan may extend to 6 months or more.

2) Quality & installation:
Premium screens use high-quality materials and proper pre-tensioning to ensure even load distribution. Improper installation, such as insufficient tension, may lead to accelerated wear or tearing.

3) Vibrating motor & operating :
The motor’s direction, vibration amplitude, and feed amount directly affect the screen’s conditions. Incorrect motor direction or overfeeding can increase wear on the screen.


How to Determine If the Screen Is Damaged

1) Visual inspection:
Regularly inspect the screen surface for visible cracks, broken wires, or holes—especially along the edges and tension bars where damage is more likely.

2) Tension assessment:
Check if the mesh has become slack, wavy, or depressions. The screen should be tightly fitted to the frame.

3) Screening efficiency observation:
If oversized particles appear in the output or there is an abnormal increase in fines in the undersize, this could be due to the openings deformed or blocked.

4) Operational feedback:
Operators should be alert to any abnormal vibrations, loud noise, or a noticeable drop in production efficiency, as these may be linked to screen wear.

Maintenance Recommendations

Regular inspections: Conduct quick visual checks daily or at the end of each shift, and perform detailed inspections weekly.
Adjust tension promptly: If appears slack, adjust the tension immediately to ensure even force distribution.
Operate correctly: Ensure the motors are set to the proper direction, with an appropriate amplitude, avoid overfeeding.
Choose quality products: Use high-quality screens with proper pre-tensioned and select products suited for the operating conditions.

For any questions or further technical support, feel free to contact our service team.