Comparision of electric, hydraulic and pneumatic systems

Monday - 24/12/2018 02:13
mach thuy luc máy nén khí
 

When should use electric, hydraulic and pneumatic system? In order to help customers ave more document to consider, choose, and purchase the suitable equipments for the factories. This articles is written for you.  

 

ELECTRIC

HYDRAULIC

PNEUMATC

Power supply

Outside source 

Electric motor, internal combustion engine. Electric motor, internal combustion engine.

Accumulation of energy 

Limited(Battery)

Limited(cumulative set)

 

 Good(vessal)

Distribution systemn.

 Little damage 

Limit

Good 

Enerygy cost

Minimum 

Everage        

 High                         

Rotato drive 

AC and DC motors. Good control with DC motor. AC motor is cheap.
 
Low speed. Good control. Can stop.

 The speed scope. It's hard to control the speeds.

Linear drive 

Solenoid, machanic structure 

Cylinder. Very high force

Cylinder. Mediaum Everage force 

Force control 

 solenoid, DC mortor . shoul be cooled

Control at very high force 

Control at medium force 

Disadvantages

Dangerous, eletric shorck, fired, exploited

Dangerous, dirty because of leakage  easily fired 

Good


Caution : This articles compared the eletric, hydarulic and pneumatic system. However, depending diferent manufacturing requirement, the operators had better choose the most suitable one. 

See more : advantages and disadvantages of hydraulic system. 

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