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Maintenance and upkeep of zinc alloy bearing seat


Release time:

2023-04-11

(1) Use of bearing seat cooling system. When used correctly, the cooling water for the bearing seat not only prolongs the service life of the bearing seat, but also improves production efficiency. The material of the bearing seat is generally made of specialized bearing seat steel through various treatments,

Maintenance and upkeep of zinc alloy bearing seat

Precautions for using zinc alloy bearing seats

(1) Use of bearing seat cooling system. When used correctly, the cooling water for the bearing seat not only prolongs the service life of the bearing seat, but also improves production efficiency. The material of the bearing seat is generally made of specialized bearing seat steel through various treatments, and even the best bearing seat steel has its limits of use, such as temperature. When the bearing seat is in use, if the mold temperature is too high, it is easy to cause turtle cracks on the surface of the mold core early on. Some bearing seats even have large areas of turtle cracks before exceeding 2000 mold cycles. Even during production, the mold core of the bearing seat has changed color due to the high temperature of the bearing seat, and after measurement, it even reaches over 400 degrees. This temperature is prone to cracking when encountering the cooling state of the release agent, and the produced product is also prone to deformation, strain, and mold sticking. When using cooling water for the bearing seat, the use of release agent can be greatly reduced, so that operators will not use the release agent to lower the temperature of the bearing seat. Its benefits lie in effectively extending the service life of the bearing seat, saving the die-casting cycle, improving product quality, reducing the occurrence of mold sticking, strain, and aluminum sticking, and reducing the use of release agents. It can also reduce the loss of the top rod and core caused by overheating of the bearing seat temperature.

(2) To clean the parting surface of the bearing seat, the operator should thoroughly clean the parting surface of the bearing seat with kerosene. This not only prevents the bearing seat from being squeezed, but also opens up the exhaust groove on the bearing seat that is blocked by residual mold release agents or other dirt, which is conducive to the discharge of gas from the cavity during the injection process and improves product quality.

(3) During the production process of the bearing seat, it is necessary to preheat the bearing seat to prevent the occurrence of cracks caused by sudden contact with hot metal liquid in the cold bearing seat. For complex cases, a spray lamp or liquefied gas can be used. For better conditions, a mold temperature machine can be used. For simpler bearing seats, slow pressure injection can be used for preheating.

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