Basic Pet Preform Mold Maintenance

Basic Pet Preform mold maintenance
Perform the most basic maintenance checks before and after each cycle. This will help keep the part in compliance and ensure that no debris or other foreign objects can damage the mold. The following steps should include your criteria, the process of each cycle.
Clean the mold cavity with a mild solvent. Material residues in the cavity can affect the shape and structural integrity of the part. A simple cleaning can be a big help.
Use compressed air to blow out dust, debris and water. Especially in more complex molds, these particles may be more difficult to reach. However, don’t ignore them: they can affect parts and cause more damage during the production cycle.
Make sure the entire mold is completely dry before storage. We mentioned water above, but it is worth repeating because water is the biggest enemy of metal molds. There is a simple reason: rust. Rusty molds are more likely to fail or be damaged and produce a higher percentage of waste. Grab early and the mold can be cleaned and removed – although the best solution is simple prevention.
Check all other areas of the sprue, gate, and mold. Reminder: The mold cavity is not the only area that needs to be inspected during maintenance. Debris and water can also cause major problems in other parts of the mold. Also be sure to inspect, clean and blow out these areas.
Check the mold hardware and connectors. This step is an overall observation of the main components of the mold, such as bolts, plates and other parts. Check for wear, fit, tightness and other standard maintenance issues.
Make a note of the date and scope of the mold maintenance steps. This step ensures that no matter who is performing the maintenance, he or she knows the details of the last process (and any potential problems). This is also a good way for you and your employees to be responsible for their daily maintenance.
China Plastic Handle Manufacturers provide more advanced mold maintenance
These steps are just a few steps that should be performed at longer intervals: for example, every 10,000 cycles or every 10 days. While the above is a good overview of a basic but effective preventive maintenance process, this area is more like an example.
Check the ejector pin and mechanism. In the event that the empty mold and the ejection mechanism are fully engaged, check the pins and other components for wear, damage or malfunction. This is also a good time to ensure that all spray parts are fully lubricated. The more complex your ejection mechanism, the more complicated this step should be.
Work on the injection molding machine to inspect all mold parts. As noted above, although daily visual inspections of major components should be performed, it is also important to perform more detailed inspections on a regular basis (such as every 50,000 or 100,000 cycles). This includes inspecting springs, valves, O-rings, gaskets, and other complex mold parts and replacing them as needed.

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