How To Get The Most Out Of Used Injection Molding Machines



When buying used injection molding machines, there are a number of issues you need to be aware of so as to minimize production problems that are associated with second-hand or refurbished molds. Among the production problems that are you are likely to experience with used injection molders include slow cycle times, poor part quality, molding below full activation as well as constant machine stoppages because of poor part ejection.

Before you part with your money to pay for used injection molding machines, you should assess their condition properly. Used plastic injection molders are likely to be in poor condition that can result into broken tie bars, worn out platens and broken toggle pins. Machine damage does not show up at once. It may initially show up as part quality problems or mold balancing issues.

In order to get the most out of the used injection molding machines that you will purchase, you should ask to see it producing samples in person or by video link. By doing so, you will get an accurate idea of the machine’s cycle time as well as the current part quality issues. Better yet, you can have the machine shipped to your factory so that you can test it yourself.

Another thing you can do in order to get the most out of used injection molding machines is ask for the latest samples from all cavities. Take time to weigh each sample and measure the wall thicknesses. The information that you will get from this will give you an accurate picture of the condition of the injection molder. Any large variation in the cavity weights or wall thicknesses can result into immediate production problems.

If the used injection molding machine you want to purchase has a cold runner, request for the runner sample. You need this in order to accurately measure the shot size. Measure the thickness of the runner and compare it to the part wall thickness. If the runner is too thin, it would be difficult for you to mold quality parts.

For more tips on how to get the most out of used injection molding machines, check out: http://www.premierplasticsnj.com/

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