Now that we have covered all the basic injection molding machine components and their functions, as well as the simplest of injection molding process techniques, we can begin to take a closer look at the injection molding process itself and also common problems and troubleshooting methods to employ when trying to solve them. We had earlier discussed the main elements of the custom injection molding process in brevity, and now we can take that knowledge and review them more in depth. This will include how to best use this knowledge to design some robust injection molding processes for our custom injection molded products.
Time
The amount of time it takes to perform all of the steps in creating an injection molded part. This includes part removal and all aspects of time from “mold open to mold open”.
Mold Close
The amount of time it takes to move the clamp from it’s full open position to a it’s fully closed position.
Fill Time
The amount of time it takes to fill the cavity with plastic and reach the transfer or cut off point.
Pack/Hold Time
The amount of time to complete the pack and hold phases on the injection process
Cooling Time /Screw Rotate Time
The amount of time it takes to cool the part before removing it from the mold.
Mold Open Time
The amount of time it takes to open the mold, remove the part, and begin the new cycle.
Mold Cooling – Chillers
Go to http://www.wm8c.com/plastic_injection_molding_i.htm for the rest of this section...
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