Skip to content 
Proper maintenance of an injection mold is essential to ensure its longevity, reduce downtime, and maintain the quality of molded products. Regular maintenance prevents wear and tear, reduces defects, and improves production efficiency. Mold maintenance can be categorized into daily, monthly, and periodic tasks.
Daily Maintenance
- Clean the Mold Surface:Wipe off residues, dust, and debris from the mold cavity and core.
- Lubricate Moving Parts:Apply lubricant to moving parts such as guide pins, sliders, and ejector systems to prevent wear.
- Check Cooling Channels:Ensure cooling lines are clear and functioning correctly for efficient cooling.
- Inspect for Damage:Look for cracks, wear, or deformation on the mold surface and moving parts.
- Ensure Proper Venting:Check and clean the venting system to avoid gas trapping and product defects.
Monthly Maintenance
- Deep Cleaning:Disassemble the mold if necessary and clean all components thoroughly.
- Examine Wear and Tear:Check for any worn-out parts, such as ejector pins and guide bushings, and replace them as needed.
- Test Cooling System:Flush the cooling system to remove scale and contaminants.
- Check Alignment:Ensure proper alignment of the mold halves and moving components.
- Review Ejection System:Test the ejector system to confirm smooth and accurate movement.
Periodic Maintenance (Every 6-12 Months)
- Full Mold Inspection:Conduct a detailed inspection of all mold components for cracks, corrosion, or fatigue.
- Polish Mold Cavities:Restore the surface finish by polishing to prevent product defects.
- Check Mold Base and Plates:Inspect for any deformation or warping that can affect part quality.
- Evaluate Performance:Review production records and mold performance to identify recurring issues and plan corrective actions.
- Replace Critical Parts:Replace key components, such as springs and seals, before they fail.
Regular and systematic mold maintenance ensures consistent product quality, reduces production interruptions, and extends the mold’s service life.
