Ball screw and trapezoidal screw drives
Ballscrew and trapezoidal screw drives transform a rotational into a longitudial motion and vice versa. Rodriguez offers both types of threaded spindles in both metric and imperial dimensions and in all major industry standards. Thereby, ballscrews, which work with balls as rolling elements, offer a higher efficiency than trapezoidalscrews which is exposed to a sliding friction. Similarly, a Ballscrew is preferably used for dynamic positioning applications during a continuous operation. Trapezoidalscrews on the other hand are ideal for slow movements or clamping tasks with a short duty cycle.
Features and benefits of ball- and trapezoidalscrews
- Rolled, ground and whirled Ballscrews
- Insert covering threaded nuts
- Preload and accuracy as determined
- Individual endmachining
- Superfinished for highest loads
- Long service life and smooth running
- Fully certified and guaranteed
- Systemintegration possible
Ballscrew with driven ballnut AMFH
For conventional Ballscrews speed is an obstacle for the implementation in many industrial applications. The longer the Ballscrew spindle, the higher the risk will be that the required speed cannot be achieved due to the critical revolution-speed of the spindle. In these cases we recommend the use of a Ballscrew with a driven ballnut. The combination of custom Ballscrew nut, axial angular contact ball bearings and and a precision threaded nut will yield a powerful, toothed belt driven unit that delivers optimum results even at high speeds. Upon request, a corresponding drive wheel can also be integrated.