The Advantages of Servo Broaching Machines and CNC Broaching Machines

The Advantages of Servo Broaching Machines and CNC Broaching Machines

What is servro and cnc broaching

Servo broaching machine uses electricity as the primary source of power. The servo drive can accurately control a large broaching force with a tiny signal. The operator can control all processing parameters such as broaching speed, return speed, stroke, positioning, etc., through the human-machine interface (HMI). The tool does not move during processing, and the work platform takes the work-piece to move upward to complete broaching. The operator only needs to stand on the ground to operate without digging holes or climbing stairs. In addition to the benefits of frequency conversion and energy saving by using servo motors, servo broaching machines are also more environmentally friendly because they only require less or no hydraulic oil.

Further, in servo helical broaching machines, the system compares the feedback signal of the actual angle and position generated by the optic scale with the input signal. This feedback loop corrects the error and helps maintain more precise outcomes than traditional helical broaching machines.

Origin of cnc broaching and servo broaching machine

The origin of servomechanism was in the 1940s. The initial purpose was not to use the technology on machine tools but the electrical fire-control system. Since servo motors began to flourish, people use servo motors in a more comprehensive range, including multi-axis control systems, multi-axis manipulators, machine tools, and so on. The first servo machine tool was made in the 1950s.

Evolution from hydraulic to servo

Why did the need for hydraulic broaching machines gradually evolves into servo broaching machines? The primary reason for the more considerable noise and the higher energy consumption is the hydraulic pump; the hydraulic system accounts for larger space requirements and potential pollution risks. A broaching machine with a servo system can run with lower noise, lower energy consumption, more environmental-friendly, better safety, and less space required.

The difference in energy consumption between the servo broaching machine and the hydraulic broaching machine can be up to 40%.