Brief Introduction of Wet Milling

Since we have posted many passages on the company website and LinkedIn, we received some feedback from our readers, and some of them also leave us some questions. For example, what is “wet milling”? So in this passage, we will talk about wet milling.

What is milling?

Actually, milling is a widely used technology in the manufacturing industry. And it can be divided into two types, one is wet milling, which we will mainly talk about in this passage, and the other one is dry milling. To know what wet milling is, we should understand what milling is first.

Milling is breaking down particles through various mechanical forces. Materials that need to be milled are pumped into the milling machine and the grinding media in the milling machine will act on the solid materials to tear them into smaller particles and reduce their sizes. The industrial milling process can improve the performance of the final products.

Differences between wet milling and dry milling

We can further understand wet milling by comparing these two kinds of milling methods. 

Dry milling is to reduce the particle sizes of materials by friction between particles and particles, while wet milling, also known as wet grinding, is to reduce particle sizes by adding some liquid and using solid grinding elements. Because of the addition of a liquid, wet milling is more complex than dry milling. Wet particles need to be dried up after wet milling. The advantage of wet milling is that it can grind the particles smaller to improve the physical performance of the final products. To sum up, dry milling doesn't need to add liquid during grinding, and wet milling needs to add liquid and is the more efficient way to get to your extremely small size particle.

Now, you may have a general understanding of wet milling. In tungsten carbide manufacturing, wet milling is a process to mill the mixture of tungsten carbide powder and cobalt powder into a certain grain size. During this process, we will add some ethanol and water to increase the milling efficiency. After wet milling, we will get slurry tungsten carbide.

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