Maintenance of bearing housing

The following points should be paid special attention to during the use of the bearing seat:

(1) The use of the bearing housing cooling system. When used correctly, the bearing housing cooling water not only prolongs the service life of the bearing housing, but also improves the production efficiency. The material of the bearing seat is generally made of special bearing seat steel through various treatments, and the best bearing seat steel also has the limit of their use, such as temperature. When the bearing seat is in use, if the mold temperature is too high, it is easy to cause early cracks on the surface of the mold core, and some bearing seats have not even exceeded 2000 mold times. Even in the production of the bearing seat, because the temperature of the bearing seat is too high, the mold core has changed color. After measurement, it even reached more than 400 degrees. When such a temperature encounters the release agent chilled, it is easy to have cracks. The products are also prone to deformation, strain, sticking, etc. The use of mold release agent can be greatly reduced in the case of using the cooling water of the bearing seat, so that the operator will not use the mold release agent to reduce the temperature of the bearing seat. The advantage is to effectively prolong the life of the bearing seat, save the die-casting cycle, improve the product quality, reduce the occurrence of mold sticking, strain and aluminum sticking, and reduce the use of mold release agents. It can also reduce the loss of the ejector pin and core due to overheating of the bearing seat.

(2) The bearing seat must be preheated in the process of starting production to prevent the occurrence of cracks caused by the sudden encounter of hot metal liquid in the cold bearing seat. The more complicated bearing seat can be liquefied with a blowtorch. The mold temperature machine is used in good conditions, and the relatively simple bearing seat can be preheated by slow injection.

(3) Cleaning the parting surface of the bearing seat is very troublesome and easy to ignore. The operator should use kerosene to thoroughly clean the parting surface of the bearing seat, which can not only prevent the bearing seat from being crushed, but also Moreover, after cleaning, the exhaust groove on the bearing seat blocked by the residue of the mold release agent or other dirt can be opened, which is beneficial to the discharge of the gas in the cavity during the injection process and improves the product quality.

(4) If the bearing seat is equipped with neutron control, it is absolutely forbidden to have joints on the signal line between the die-casting machine and the bearing seat. The reason is very clear. In daily production, it is difficult to avoid water on the signal line, or The place where the joint is wrapped is easy to break, resulting in a short circuit with the machine tool. If the signal is wrong, the alarm will automatically stop and delay the time, and the signal will be disordered and the bearing seat will be damaged. cause unnecessary losses. Note that the travel switch is waterproof.