How is a marine propeller cast in one go?
[Overview] Marine propellers are very large, do you know how to make them? Recently, I have also frequently watched videos of large marine air conditioners and bulk cargo propellers. The intuitive feeling is that it is really very large, with many small patterns carved on it, and when we go to watch it, it is also shining with golden light. Next, let me introduce how the propeller for ships is cast into shape in one go?
Marine propellers are very large, do you know how to make propellers for large engineering ships? In recent times, I have also frequently watched videos of large marine propellers. The intuitive feeling is that it is really very large, with many small patterns carved on it, and when we go to watch it, it is also shining with golden light. Next, let me introduce how the propeller for ships is cast into shape in one go?
Marine propellers play a very important role in use, but what we need to understand here is that the number of propeller blades varies significantly. There are only 3 blades, followed by the common 5 blades, then 7 blades, and a variety of blade types.
Large engineering ship propellers - so there are also many types of them. But there are naturally some differences when using it. And all of these blade numbers are odd. The reason why the propeller design is so unique and systematic is because manufacturers need to consider the balance between propulsion efficiency and production costs, which can naturally achieve the goal of saving money and being easy to use.
Large engineering ship propeller - In addition, what we need to understand here is that when the propeller operates underwater, it mainly relies on rotation to cut the water flow and generate forward propulsion power. However, there are still some things to pay attention to here. Well, while its blades rotate, they also create a low-pressure field at the back, causing the boiling point of the water flow to decrease and producing a large number of bubbles.
Large container propellers - You should know that these bubbles are actually one of the sources of ship noise and the main culprit in reducing the service life of propellers. So many manufacturers have a design concept of "reducing speed and maintaining speed" when designing its quantity during production.
NCP series adjustable propellers - based on our understanding, we have also found that theoretically speaking, the more it is, the better it can slow down the propeller speed. But this method is not very effective, after all, the more it is made, the higher the cost. So this is also an issue that needs attention. But its quantity is relatively small, such as 3 or 5 pieces of land, which are commonly used designs.
NCP series adjustable propellers - in other words, if it is a submarine that needs to improve concealment and reduce noise, it is better to choose a larger quantity. But if you have some small devices. Well, there's no need to build so many. In addition, in order to weaken the single blade resonance of the propeller, there needs to be another blade symmetrically spaced apart from it. Based on the current situation, this is also the reason why the number in the proposal is designed to be odd.
56M engineering ship propeller - In summary, we will find out how marine propellers are cast into shape in one go, and in the future, when ordering, it is necessary to clarify one's own model to choose. In this situation, there are also many manufacturers on the market, so it is recommended that everyone must find a legitimate one when choosing, so as to have a guarantee. NCP series adjustable propeller.
-
