Of Material in a Hot-Runner System is Typically Cauty, HOT Spots, Stagnation Points, Venting, or A Combination of the Four.

　　Excessive thermal history

　　Degradation Begins. However, EVEN TIME SPENT At Lower Temperatures Adds to the Heat History of the Material and Can ConTRIBUTE to Degen the Road.

　　Through the hot-runner system last, the residence time in the hotel is often just the "straw that breaks the camel & rsquo," s back.

　　The process.

　　root of the problem, but it can also be misleading.

　　Originating upstream & mdash; in the Machine Nozzle, for exmple & mdash; Will Always Follow the Same Path Through the Hotzner and OPPER APERALILALALALARLARLARLARARARARARARationAAAALAIRAIAAOAOAOAOAOAOAOAOAOAOAOAAAAAAAAAAAARAAAAAAAAAAAAEAAAAAAAAAAAEAAAAAAEAAAAAAEAAAAEAAEAEEEEEEEEEEEEEssssssssssssationationEatedationatedationated

　　Hot spots

　　a pyrometer while the system is at setpoint.

　　, then cooling that nozzle will cool the material at the flow-bottom will first.

　　root issues not ben resolution, so the burn will eventually make its way back into the part.

　　Stagnation Points

　　

　　Between The Orifice Should Be (See Fig. 1).

　　The Material at this interface gets ejected with the column runner on everything, and so a stagnation point is not a confern.

　　Then, then

　　Not align with the flow bore in the manifold. The manifold is designed undersized so that when it hemally expands, the inf)

　　Not Perfectly Align when at operating temporature and a small stagnation point is created atTerface for Each nozzle.

　　

　　Cold Runner Venting

　　OR control the location of the weld lines. On these parts, the hot runner often will give ins,

　　

　　Troubleshooting in the Press

　　Press.

　　Change that makes a proplem working still yields value data.

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