1. The pump body vibrates or produces noise:
Cause: The pump is not installed securely or the pump is installed too high; the motor ball bearing is damaged; the pump shaft is bent or not concentric with the motor shaft, and is not parallel.
Treatment method: install the pump or reduce the installation height of the pump; replace the motor ball bearing; correct the curved water pump spindle or adjust the relative position of the pump and the motor.
2. The drive shaft or motor bearing is overheated:
Cause: Lack of lubricating oil or broken bearings.
Treatment: Fill with oil or replace the bearing.
3. The pump does not produce water:
Cause: The pump body and the suction pipe are not filled with water; the moving water level is lower than the water pump water pipe; the water pipe is broken.
The sealing surface between the screw and the housing is a spatial curved surface. There is a non-sealed area such as ab or de on this curved surface, and a plurality of triangular notches abc, def are formed with the groove portion of the screw. These triangular indentations form a passage for the liquid, allowing the active screw groove A to communicate with the grooves B, C on the driven screw. The grooves B and C are wound along their own spirals to the back, and communicate with the grooves D and E on the back, respectively. Since the grooves D, E and the groove F (which belong to the other head spiral) are joined to each other, there is also a triangular notch a'b'c' similar to the front surface, so D, F, and E will also communicate. In this way, the groove ABCDEA also constitutes a "∞"-shaped sealed space (if a single-head thread is used, the groove will be screwed in the axial direction, and the suction and discharge ports will pass through, failing to form a seal). It is not difficult to imagine that on such a screw, a plurality of independent "∞"-shaped sealed spaces will be formed, each of which occupies an axial length exactly equal to the lead t of the tired rod. Therefore, in order to separate the screw suction and discharge ports, the length of the threaded section of the screw is at least greater than one lead.
Double Chamber Vacuum Packaging Machine
A double chamber vacuum packing machine is a type of packaging machine that is used to vacuum seal products or food items. It consists of two separate chambers, each with its own sealing bar. The product to be packaged is placed inside one chamber, and the air is removed from the chamber through a vacuum pump. Once the desired level of vacuum is achieved, the sealing bar is activated to seal the package. Meanwhile, the other chamber can be loaded with the next product, which helps to increase the packaging efficiency. This type of machine is commonly used in industries such as food processing, pharmaceuticals, and electronics, where a high volume of products needs to be vacuum-sealed quickly.
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