There are three major industrial drives: pneumatic, electric and hydraulic
Among them, pneumatic products are widely used in the field of automated production with their unique advantages:
The structure of the product device is simple and lightweight, the output force and working speed are simple to adjust, and it is easy to install and maintain.
You see, the introduction to pneumatics is very simple, and you can maintain it by mastering basic physical knowledge, so you are embarrassed to say that you don't understand? Hehe...
The working medium is inexhaustible and inexhaustible. No pollution, low cost.
Believe me, the environmental protection department will not come to inspect, you can use it with confidence. O（∩_∩）O
The product has a long life and high reliability
SMC Sales' Daily Inner Monologue: I used to ask endlessly when you would come back to buy, and you always shook your head and said it's not bad......
So, you can't help but ask-
How did the driving force for such excellent performance come about?
Yes, you can see it, air has a very good property, it can be compressed.
Let's take another example to elaborate.
Oxygen can be compressed.
Similarly, air can be compressed.
After compression, air pressure can be generated.
So now the question arises...
How to express air pressure?
Is air pressure weighed?
Pressure gauges can also have different conversions depending on the unit:
Well, I read so much theoretical knowledge
Use your brains and do the math
First, let's meet an important person: Mr. Boyle
Now, let's follow Mr. Boyle's formula
Please listen to the question:
At a pressure of 0.3MPa, when 5 liters of compressed air are compressed to 3 liters, what is the air pressure?
However, this is not true
Before answering your confusion, let's make a division of stress:
Come on, let's focus on it:
Absolute pressure = relative pressure (gauge pressure) + atmospheric pressure
Let's do the math of the above questions, shall we?
Answer: P1V1=P2V2 → (0.3+0.1)X 5=(P+0.1)X 3
Yes, the answer is 0.57MPa.
PS: The pressure we talk about verbally is usually relative pressure (gauge pressure)
Now that we've figured out the basics, let's take a look at some more advanced knowledge:
It can be derived from Boyle's formula and · Lussac's formula, Charlie's formula
A more comprehensive formula:
PS: In the pneumatic system, the commonly used state is: standard state.
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