Description
Although there are several types of hammer mills, the principle of work is still the same. You will learn about it soon. First, let’s have a quick look at a hammer mill. Below is an hammer mill made by Avartin co:
From above, you can see that this hammer mill has five main parts. Typically, the number of pieces may vary depending on the complexity of the car’s design.
The principle of a hammer mill is based on a simple mechanism. However, before explaining how the whole process works, let’s look at some of the basic aspects of a hammer mill.
The following is an important aspect of a hammer mill:
· Nutrition mechanism
It refers to the process that the particles enter the crushing chamber. Depending on the design of the hammer mill machine, gravity or a measurement system can be used.
Metric feeding system is common in applications where product uniformity is a major concern. They eliminate all possible variables that may produce product incompatibility.
A good example is the pneumatic switch valve between the feeding hopper and the crushing chamber.
In gravity feeding systems, milling machines depend only on gravitational force. It is a force that helps feed particles in the crushing chamber.
· Control box
Users can change the device from the ON / OFF control box. The complexity of the control box to the unique design of the milling machine.
For example, you can control the power supply or engine speed. Some pharmaceutical milling machines have a screen that users can control all the steps.
· Crushing knife or hammer
These are the basic tools for crushing or crushing materials. They rotate at high speed, which varies from 2500 to 60,000 rpm.
In most cases, the hammer is mounted on a horizontal shaft, which can be rotated clockwise or counterclockwise. This may depend on the direction of rotation of the rotor.
A torque rotor is the electric motor axis. Hammers are in different styles and shapes.
Hammer mill crushing tool can be directly connected to a motor or by a belt. Compared to the direct connection, the belts can reduce the shock of the motor and allow for accurate speed adjustment.
· Hammer mill type machine
The output of a hammer mill is widely differentiated. Normally, particle size depends on page changes.
· Type of hammer mill screens
The output of a pharmaceutical hammer mill varies broadly. Normally, the size of the particles will depend on the screen variation.
These hammer mills may have over 12 different types of screen meshes. They are nicely arranged within the crushing chamber.
Depending on their arrangement, they can achieve a precision of 0 to 200.
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