Xin Xinsheng teaches you how to use the mold temperature machine correctly

2023-02-24 17:39

1. Before using the mold temperature machine, it is necessary to check whether there is sufficient heat transfer medium (water or oil) and whether there is pressure (i.e. the pressure gauge is zero). If there is any abnormality, do not forcefully start the machine, otherwise it may cause damage to the machine and even cause safety accidents.

2. When connecting the mold temperature machine to the throat of the mold, it is necessary to use a high-temperature resistant throat or Teflon tube that is above 150 ℃. The oil pipe connection should be locked tightly and checked again after startup to avoid loosening; When the water source and the surrounding environment of the cooling tower are harsh, Y-shaped filters must be installed and the cooling water circuit must be cleaned regularly to ensure the normal operation of the cooling system of the mold temperature machine.

3. The power supply of the mold temperature machine adopts three-phase five wire, with a voltage of 380V-400V. The mold temperature machine power supply is connected to the live wire, which is connected to the MCCB power switch. The zero wire is connected to the neutral wire (zero wire), and the water wire is connected to the power supply shell (ground wire).

4. Before formal die-casting, the surface of the mold is usually made of a hot mold. Simply preheating the surface of the mold can easily cause stress concentration and damage the mold. Therefore, the mold thermometer should be turned on for at least half an hour before the gas hot mold to allow both the inside and outside of the mold to heat up simultaneously. The stress generated by the mold flesh is relatively small, which is beneficial for extending the service life of the mold.

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