What are the more frequent maintenance items on the equipment?
Most problems are caused by insufficient upkeep of the melt reservoir. If the melt reservoir is not cleaned on a regular basis, charred material will build up on the fins, reducing the heat transfer to the material. This can lead to “short shots” (incomplete over-molds) and various blockages. If the material is left in the reservoir for days at high temperatures, it will get more viscous and eventually not flow. A melt filter and a pressure control valve must be replaced/serviced as per the maintenance guidelines. The injection nozzle and the pump seal will require replacement periodically.
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