Many plastic processing enterprises face this common challenge: frequent screen changes during production lead to prolonged downtime, significant material waste, and unstable product quality. Handling thermoplastic materials is particularly troublesome due to the operational risks posed by high-temperature melt. Traditional screen-changing methods are not only inefficient but also prone to safety incidents caused by improper operation.
Solution: Advantages of the Single-Plate Screen Changer
High-Efficiency Continuous Production: The single-plate screen changer enables filter screen replacement without stopping production, significantly reducing downtime and improving equipment utilization.
Reduced Material Costs: Compared to traditional methods, single-plate screen changers cut material waste by approximately 30%, delivering particularly notable benefits when processing expensive engineering plastics.
Enhanced Product Quality: Consistent filtration pressure ensures uniform melt quality, preventing product defects caused by screen clogging.
Detailed Operating Steps
Preparation:
Check hydraulic system oil level and pressure for normalcy
Confirm spare screen is clean and correctly installed on new slide plate
Preheat screen changer to operating temperature to prevent thermal shock
Screen Change Operation:
Slowly initiate change program while monitoring pressure changes
Ensure smooth, uninterrupted movement during slide plate transition
Inspect seals post-change to prevent melt leakage
Post-Change Maintenance
Log time and pressure data for each change
Regularly clean slide plate tracks and sealing surfaces
Check lubrication status of hydraulic cylinders and guide components
Troubleshooting Common Issues
Filter Screen Rupture: May result from excessive pressure or substandard screen quality. Recommend using higher-strength sintered screens and monitoring system pressure.
Slide Plate Jam: Typically caused by debris buildup or uneven thermal expansion. Regular cleaning and ensuring thorough preheating can effectively prevent this.
Seal Leakage: Inspect seal strip wear and replace with high-temperature resistant specialized seal material if necessary.
Selection Recommendations
Consider these factors based on your production needs:
Maximum operating pressure and temperature range
Slider dimensions and compatibility with existing equipment
Hydraulic system response speed and control precision
Manufacturer-provided after-sales service and technical support
Remember, while high-quality single-plate screen changers require higher initial investment, they significantly reduce long-term production costs and enhance product competitiveness. Regular maintenance and proper operation are key to extending equipment lifespan!
Email: sale@meltpump.com
WhatsApp: +86 158 3833 1071
