Comparison Between Hydraulic, Pneumatic, and Electromagnetic Eddy Current Brakes!

When it comes to industrial breaks, you will get multiple options that are available for you in the market. These brakes include hydraulic, pneumatic, and electromagnetic eddy current brakes. The best choice for you depends on the location, preferred power source, purpose, and budget.   

Compared to standard brakes, these three brakes work in the opposite way. In these brakes, pressure is applied to hold the brake rather than putting pressure to engage the brake. After the removal of the power supply, the spring releases & braking force is applied to the system. It will enable spring-applied brakes to build higher torque than standard brakes. Therefore, they are very reliable and safer for loads that are in linear motion or suspended.   

electromagnetic eddy current brake

Hydraulic Spring Applied to Brake  

Hydraulic braking systems can have massive torque. These brakes are commonly used for emergency stopping, tensioning, and keeping heavy-weight industrial equipment and off-road vehicles, oil field equipment, and oiling where the hydraulic liquid is rarely available. They also work well for more giant wind turbines. However, in constant slip applications, spring torque decreases as friction pad wear rises, lowering braking strength.   

Pneumatic Spring Applied Brakes  

Pneumatic, air brakes or compressed air brakes use compressed air induced by a compressor and kept in a reservoir. Whenever the operator activates the lever, a valve enables the compressed air to float to a piston that uses the brake. A spring leaves the brake when the pressure is removed. Distinct brakes use different methods to produce the action that releases kinetic energy from the moving system. Pneumatic brakes are the primary speed-lessening method for trucks, trailers, trains, and buses because they are a pretty efficient way of stopping large and heavy-duty vehicles.  

Electromagnetic Eddy Current Brake  

Electromagnetic brakes may be employed in manufacturing and other indoor industrial facilities because they may deliver strong slowing and stopping. However, they are most frequently related to circular saws and railway trains. Electricity is nearly always accessible, making it simple to power one of these brakes, although it may not have the necessary voltage to meet electromagnetic braking requirements. Electromagnetic brakes can be a viable option for settings where potential hydraulic fluid leakage would be an issue. They work quickly, which is advantageous for emergency braking. On the other hand, they are not appropriate for applications with a restricted amount of area. Due to their intricate design and pricey components like copper, these brakes are more expensive to buy and maintain. Because of its internal components' sensitivity to dust and other pollutants that could cause excessive wear and unpredictable operation, they are not a viable choice for severe settings.  

Which Brake is Best for You?  

Industrial settings can differ significantly in terms of the amount, type, and frequency of braking power needed, as well as the amount of space available and the working circumstances. Pneumatic and hydraulic spring-applied brakes can equal the torque output of an electromagnetic eddy current brake since their springs exert tremendous force. Therefore, the decision boils down to these additional factors or the price. There is one more item to think about, though. Are there any electrical engineers on your design or maintenance teams? Systems like mechanical pneumatic and hydraulic ones are easier to comprehend. That could be another factor contributing to their popularity in industrial equipment design. 

Location: United States

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