Key Differences Between Mechanical and Servo-Driven Power Press Machines

Mechanical and Servo-Driven Power Press Machines: A Comparative Study

Introduction:

Power press machines are used in various industries worldwide, and these machines have a significant impact on productivity and production processes. There are different types of power press machines available in the market; the two most popular ones are mechanical and servo-driven press machines. Many people remain uncertain about which type of press machine they should use. In this article, we will discuss the key differences between mechanical and servo-driven power press machines.

Mechanical Press Machines:

Mechanical press machines are the most common type of power press in use today. These machines are capable of performing a wide range of operations on metal sheets such as blanking, punching, and forming. They are driven by a mechanical flywheel, which is powered by an electric motor. The energy stored in the flywheel is then released to perform the required operation on the metal sheet.

Servo-Driven Power Press Machines:

Servo-driven power press machines are relatively new in the market. They use servo motors instead of the traditional flywheel mechanism to provide power and torque to perform the pressing operation. Servo motors are controlled by a computerized numerical control (CNC) system that enables users to accurately set and control the speed, force, and duration of the press operation.

Key Differences between Mechanical and Servo-Driven Power Press Machines:

1. Operation Capabilities: Mechanical press machines are suitable for a wide range of operations such as stamping, blanking, and piercing. However, servo-driven power press machines are much more versatile and can perform complex forming operations such as bending, deep drawing, and embossing.

2. Speed and Force Control: Servo-driven power press machines offer better speed and force control compared to mechanical press machines. This is because of the precise control offered by the computerized numerical control (CNC) system. The CNC system allows users to set and control the speed, force, and duration of each press operation accurately.

3. Energy Consumption: Mechanical press machines consume more energy when performing operations compared to servo-driven press machines. This is because of the flywheel mechanism used in mechanical press machines. The flywheel stores energy when the machine is idle, and this energy is used to perform operations. However, the energy consumption of servo-driven press machines is relatively low because the servo motor only uses energy when the press operation is being performed.

4. Maintenance: Mechanical press machines require more maintenance compared to servo-driven press machines. The flywheel mechanism used in mechanical press machines requires regular lubrication, and the flywheel and other mechanical parts need to be checked regularly to ensure proper functioning. Servo-driven press machines, on the other hand, require minimal maintenance, mainly because of the absence of a flywheel mechanism.

5. Safety Features: Servo-driven press machines are generally considered safer than mechanical press machines. This is because of the precise control offered by the computerized numerical control (CNC) system. The CNC system ensures that each press operation is performed accurately and safely. Mechanical press machines, on the other hand, require more manual intervention, which can increase the risk of accidents.

Conclusion:

Both mechanical and servo-driven press machines have their advantages and disadvantages. Mechanical press machines are versatile and cost-effective, but they require more maintenance and consume more energy. Servo-driven press machines, on the other hand, are more versatile, provide better speed and force control, consume less energy, and require minimal maintenance. In the end, the choice of which type of press machine to use depends on the specific requirements of your production process.

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