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How to Reduce the Risk of Defects with the Hot Runner Temperature Controller

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How to Reduce the Risk of Defects with the Hot Runner Temperature Controller

N2S Technologies Hot runner temperature controllers can help reduce the risk of defects in your injection molded parts by maintaining a consistent temperature throughout the hot runner system. This is important because the temperature of the plastic can affect its viscosity, flow, and crystallization, which can all lead to defects.

Some of the defects that can be caused by inconsistent hot runner temperatures include:

  • Burn marks: These are caused by plastic overheating and charring.
  • Warpage: This is caused by the plastic cooling unevenly.
  • Incomplete filling: This is caused by the plastic not flowing properly.
  • Brittleness: This is caused by the plastic cooling too quickly.
  • Shrinkage: This is caused by the plastic shrinking after it has cooled.

Important points to avoid defects:

  • Choose the right controller: There are many different hot runner temperature controllers on the market, so it is important to choose one that is right for your needs. Consider the size of your hot runner system, the type of plastic you will be using, and the desired temperature range.
  • Install the controller correctly: Follow the instructions that come with your controller to ensure that it is installed correctly. This will help to ensure that the controller is accurate and that it can maintain the desired temperature range.
  • Calibrate the controller regularly: Over time, the controller may need to be calibrated to ensure that it is still accurate. Calibrating the controller regularly will help to ensure that you are getting the most out of it.
  • Monitor the temperature: It is important to monitor the temperature of the hot runner system regularly to ensure that it is staying within the desired range. If the temperature gets too high or too low, it can cause defects in your molded parts.