In the entire die casting industry, the use of aluminum alloy die castings accounts for the highest proportion. Aluminum die casting parts are mainly used in industries such as home appliances, motors, communications, automobiles, and electronics. Some are also used in parts of aviation, navigation and some equipment. Using die-casting processing, the dimensional accuracy of die casting part is relatively high, the surface finish is relatively good, the strength and hardness are high, and the productivity and material utilization rate are relatively high. There are also some problems in the die-casting process, such as cracks, which requires us to anneal the die-casting mold regularly to eliminate the stress in the cavity, or sometimes there are cracks on the surface of the cavity, the surface is polished to remove cracks. And the mold is preheated evenly.
SCZY conducts one-stop services such as mold manufacturing, die-casting production and subsequent CNC machining in-house to ensure production delivery and product quality. We have a relatively systematic understanding of the die-casting process, can predict the problems that may arise in the die-casting process, and can solve the possible problems in advance.
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2. Cryogenic pump assembly parts are not allowed to be stained with water and grease, parts must be washed with a solvent, dry and then assembly;
3. In the case of explosive gas, the motor should use vertical explosion-proof motor;
4. Pumps and piping, if not, moisture and air, when the access to low temperature liquid will freeze, so before the pump put into operation to clean up, and then with a dry nitrogen scavenge, drive away the pump Within the moisture and air, and pre-cooling;
5. Cryogenic pump inlet and suction lines should have exhaust device so that the pump before operation or operation can be ruled out in a timely manner to accumulate the gas to ensure the reliable operation of the cryogenic pump;
6. Cryogenic transport can also be used cryogenic shielding pump.
Cryogenic pump installation and use points
1. Not only the pump itself to keep cold, suction pump pipeline must also be cold measures to prevent in operation from the outside world to absorb heat, the liquid vaporization, affecting the performance of the pump;