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Comparison of advantages and disadvantages between electric screwdriver and pneumatic screwdriver-Weima pneumatic tool

Comparison of advantages and disadvantages between electric screwdriver and pneumatic screwdriver-Weima pneumatic tool

2019-01-12

Electric and pneumatic screwdrivers are indispensable assembly tools in modern industrial production. Electric and pneumatic screwdrivers are very helpful to improve the work efficiency and product quality of industrial production. They have their own advantages and disadvantages. We can compare them horizontally from the following aspects:


Appearance: The outer shell of the electric screwdriver is mostly made of plastic material, which conforms to ergonomics principle, feels comfortable, and is lighter and more suitable for long-term operation.

The shell of pneumatic screwdriver is mostly made of metal, which has a slightly worse handle than that of electric screwdriver, but its anti-static performance is better.

 

Speed: The speed of the electric screwdriver is generally about 1000-2000r/min, because the motor will produce sparks in operation, so the long time and high frequency operation of the screwdriver is easy to get hot.

The speed of pneumatic screwdriver is generally about 1000-2800 r/min, because the motor is driven by high-pressure gas, so long-term and high-frequency operation will not get hot.

 

Torsion accuracy: Electric screwdriver adopts electronic braking so that the accuracy is higher, the general repetition accuracy is less than 3%.

Pneumatic screwdriver uses mechanical braking, and the change of air pressure will affect the stability of the torsion of the screwdriver, so the general repetition accuracy is about 5% - 3%. (It would be better if air conditioners were installed)


Energy Consumption: Energy Consumption of Electric Screwdriver is 55W/H

The pneumatic screwdriver uses compressed gas as an actuating source, so long as the air pipeline is reasonably located, the air consumption of each screwdriver is about 0.28_/min, which is relatively more energy-saving and environmentally friendly.


Maintenance Cost: Electric tools need to replace carbon brushes in 3 months to 6 months. In addition, electric consumables are more, power lines, carbon brushes, bearings and so on, which will be maintained to a higher level in the future.

Pneumatic screwdriver consumes less material, as long as the usual attention to maintenance and refueling, generally in a year only need to change the blades,.


In summary, the advantages of electric screwdriver lie in convenience, comfort, high torsion stability and low price; disadvantages, high failure rate, easy scalding, low safety.

The advantages of pneumatic screwdriver lie mainly in its fast working speed, high safety, anti-static, low failure rate, long life, energy saving and environmental protection; its disadvantages are poor hand feel, and its torsion accuracy should refer to the stability of air pressure, and its price is relatively high.


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