Selecting the right plastic injection molding machine is one of the most important steps towards establishing a successful plastic manufacturing business. With the right machine, you will be able to make quality parts consistently and profitably. Since purchasing a brand new injection molding machine can be heavy on your pocket, you may have to purchase used injection molding machines if you are on a tight budget.
There are various mistakes you will need to avoid when purchasing used machinery. One of them is purchasing a machine that does not work. If you want to get the most out of the machine that you will purchase, make sure that you look for one that has been fully inspected and tested. Before the machine is delivered to your company, you need to be sure that it is in good working condition if you do not want to suffer loss of production because of multiple breakdowns.
Another mistake you should not make is purchasing used injection molding machines with limited injection pressure. If you want to make quality parts consistently, you need to make sure that the molding process is not limited by the injection pressure. A good machine should have about 10 percent injection pressure in reserve in order to automatically adjust to normal variation in the plastic material viscosity.
If you purchase an injection molding machine that has limited injection pressure, it can produce short moldings. The screw diameter of the injection unit is what governs the available maximum injection pressure. So when choosing an injection molding machine to use in your business, make sure that you choose the correct diameter if you do not want to end up with short or defective plastic parts.
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