Mistakes To Avoid When Buying Used Plastic Injection Molding Machines


You may be looking to buy an injection molding machine if you have decided to try your luck in the business of manufacturing plastic products. Since new injection molders can be quite expensive, you may be left with the option of purchasing used plastic injection molding machines if you are on a tight budget. The following are some of the mistakes you will need to avoid when purchasing this machine.

The first mistake you do not want to make is purchasing a used injection molder that is not working properly. The key to buying dependable used plastic injection molding machines is choose one that has been properly examined and checked before being delivered to your company. If you purchase a machine that is not working properly, you may undergo production loss as a result of multiple breakdowns.

Another mistake you do not want to make when purchasing used plastic injection molding machines is choosing large screw diameters. Sometimes, big screw diameters can lead to poor quality problems as a result of material deprivations. When thick screws are used with small shot sizes, the plastic material takes longer to get warmed by the barrel heaters as compared to big shot sizes.  It is very likely that material deprivation will happen if the shot size is undersized as compared to the utmost shot capacity of the injection unit, especially for materials that are heat sensitive.

Last but not least, you should not make the mistake of choosing used plastic injection molding machines that use all-purpose screws. While all-purpose screws have the advantage of being utilized with most plastic materials, such as PE, PP, nylon and PET, their drawback is that for a few materials, component types and efficiency rates will be lesser compared to more superior injection casting screw designs such as the barrier screw.

For more information on the mistakes to avoid when buying used plastic injection molding machines, visit our website at http://www.premierplasticsnj.com/

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