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IBM Tooling Maintenance Procedures

The following are recommended maintenance for IBM tooling after each production run.  In the case of long production runs, we recommend a scheduled shut down of 1 hour throughout the run to check & clean the mold.   90% of all repairs to IBM tooling is a result of accumulated dirt in the mold.

 

• Clean & inspect the parting lines on both the injection & blow sides

 

• Blow cavity air vents on the parting line are on the top half – wipe clean

 

• Check & clean threaded area for any foreign material (parison & blow cavities)

 

• Check & clean retractable base system

 

• Examine molding surfaced on injection cores, thread area, injection gates & cavities as well a blow cavities.  If any damage is noted, repair is required

 

• Ensure heaters and controllers are working properly for the hot runner system

 

• Check temperature controller for proper operation

 

• Examine leader pins & bushings on both die sets & apply food grade grease as needed

 

• Check core rod retainer plates for tightness

 

• Check for any water/oil leaks between cavities or hoses & fittings.

 

Stretch Blow Mold Maintenance Procedures

 

The following are recommended maintenance for ISBM tooling after each production run. In case of long productions runs, we recommend a scheduled shut down of 1 hour throughout the run to check & clean the mold.  90% of all repairs to ISBM tooling is a result of accumulated dirt in the mold.

 

• Clean & inspect the taper areas on the injections cores, thread splits & injection cavities for abnormal wear or hobbing.  Repair as needed.  Apply a thin coat of food grade grease.

 

• Examine molding surfaces on the injection cores, thread splits & cavities for any damage. Repair as needed.

 

• Check temperature controllers for proper operation of the hot runner system.

 

• Clean & inspect the taper area on the conditioning cores.  If using electric cores, ensure the heaters & controllers are functioning properly.

 

• Clean the heat pots of any strings or other foreign materials

 

• Check temperature controllers for proper operation of the heaters and thermocouples controlling the heat pots

 

• Check the blow molds for any foreign material or strings & clean if necessary

 

• Make sure the sliding surfaces of the blow mold wear pads are properly lubricated with light oil

 

• Examine the leader pins in the blow mold side rails for abnormal wear & apply food grade grease as needed

 

• Inspect blow mold hold down gibbs for abnormal wear & apply food grade grease as needed

 

• Clean & inspect taper area of blow cores for any abnormal wear.  Apply a thin coat of food grade grease.

 

• Examine the stretch rod tips for tightness (if applicable)

 

• Inspect ejector rods & tips for tightness

 

• Ensure the thread split plates are opening & closing properly.