At first glance, servo presses are quite conventional presses. In fact, they can be designed as single-column, dual column or double-column presses. They work with a torque or servo motor instead of hydraulics or simple electromechanics. These special electric motors have two advantages: high-precision controllability and very high torques, and thus pressing force availability.
These finely adjustable pressing forces can of course be used universally for pressing and punching. However, servo presses offer yet another application possibility that has not been exploited with presses until now: Joining is possible with servo motor driven presses. Joining was previously reserved for gluing, riveting, screwing and welding processes. However, the servo press offers another possibility to permanently connect two separate metal components: Joining by plastic deformation. Very high pressures are concentrated on a small point. The materials practically “flow” into each other. This makes this joining process quite similar to spot welding, but differs considerably in some respects. Joining by plastic deformation is “colder”, more precise and less invasive. The “colder” mode of plastic deformation makes it ideal for joining thin sheet metal parts. It avoids the baking of holes and material distortion due to point-like heating. This makes joining with a servo press an ideal process for assembling fine and sensitive sheet metal products.
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Servo motor driven presses can be controlled very precisely. They can be adjusted “Newton precisely” to the respective production process. Once the slide curve, pressing force and stroke height have been programmed, the servomotor-driven press carries out the joining process as often as required with consistent quality. This makes it a reliable production machine for demanding tasks. But the standard press applications can also be set very precisely on servo presses. Thus, they offer an extremely high level of energy efficiency: A workpiece is only processed by a servo press with the exact force required for the desired result. This quickly yields benefits, especially with large quantities. Since speed and acceleration can also be regulated, a servo-motor-driven press also guarantees consistently high productivity.
In summary, the servo press offers the following advantages:
Tip: Many existing pressing and punching machines can also be retrofitted to a servo motor driven press. Ask us, we will modernize your press drives.
The precise controllability of all parameters is the greatest advantage of a servo press. Powerful hardware and software is required to fully exploit their potential. Here, we work together with the best and rely entirely on the proven SIEMENS S7 controller system for servomotor-driven presses. This state-of-the-art controller system for industrial machines has now established itself as the standard.
The Siemens S7 controller offers:
We offer you servomotor-driven presses that leave nothing to be desired: