In the plastic injection industry, cleaning procedures are applied regularly and under control to both extend mold life and maintain stable product quality. Cleaning is carried out with separate steps for machines, molds, and auxiliary equipment.
Cleaning procedures in the plastic injection industry
1. Machine cleaning
- Cleaning resin residues in the screw and barrel area
- Using purge granules during raw material change
- Regular cleaning of the hopper and feeding throat
- Addressing oil and hydraulic leaks
2. Mold cleaning
- Cleaning plastic, carbon, and oil residues on the mold surface
- Using soft chemical cleaners
- Opening and cleaning ventilation channels (vents)
- Cleaning with cloths and brushes that do not damage the surface
- Removing mold release agent residues if necessary
3. Cooling system cleaning
- Checking for scale and sediment in water channels
- Regular chemical descaling process
- Flow control and removal of blockages
4. Auxiliary equipment cleaning
- Cleaning dryers, hoppers, and dosing units
- Preventing the accumulation of dust and granule residues
5. Periodic maintenance plan
- Daily: superficial cleaning and visual inspection
- Weekly: detailed cleaning of mold and machine
- Monthly: cooling system and equipment maintenance
- During planned shutdowns: complete system cleaning
Points to consider
- Abrasive brushes and sandpaper should not be used
- Inappropriate chemicals can damage the mold surface
- Protective oil or spray should be applied after cleaning
- Machine power must be turned off during cleaning
You can contact us for technical support on solutions suitable for your business.
