SRC/BRC
SRC/BRC
Cylindrical nut shape is available with or without axial.
Planetary roller screws
Benefits
- Longer service life due to increased robustness
- High-reliability, low noise, high rotational speed (N.d0 max = 160 000)
- Exceptional behaviour in situations with frequent changes of direction and high linear speed, up to 1,8m/s
- Customised designs possible
Features
- Heavy load capacity with up to a 50 mm long lead
- Planetary concept without recirculation and rollers, synchronised by cogs
- Adaptable tooling for non-standard, left handed thread or customised designs
- Axial play or preloaded execution on request
Ewellix has the largest selection of satellite and planetary roller screws on the market to meet any requirements. The planetary roller screw drives without roller recirculation ensuring ultimate drive performance. They are extremely robust and load-bearing, offer maximum performance in terms of speed and acceleration and are extremely durable and reliable. Thanks to state-of-the-art machining technology, Ewellix can offer planetary roller screws in a wide range of diameters and gradients.
Through the use of the latest machining equipment, Ewellix can offer planetary and satellite roller screws from very small to very large diameters, with a wide variety of lead. We also offer inverted screws.
Case studies:
Technical Data
Overview
| Acceleration |
up to 12 000 rad/s2 for standard planetary roller screws. (for higher accelerations please consult Ewellix) |
|---|---|
| Nominal diameter |
from 8 to 240 mm |
| Lead |
from 2 to 50 mm |
| Basic dynamic load capacity |
up to 3 994 kN |
| Basic static load capacity |
up to 23 387 kN |
| Maximum speed n x d0 |
160 000 |
Nuts
SRF/BRF
SRF/BRF
Centred flange nut with axial clearance or without slack.
SRP/BRP
SRP/BRP
Off-centered flange nut with axial clearance or without slack.
PRU/PRK
PRU/PRK
Preloaded with a split nut, cylindrical nut and centered flange nut.
HRC/HRF/HRP
HRC/HRF/HRP
High-performance planetary rolling thread with cylindrical nut, flange nut or off-centre flange nut.
2D / 3D
Publications
IL-05003/5-EN-January 2023-Roller screws
EL-04014-EN -October 2022 Linear solution for spot welding
EL-02006/1-EN-November 2024 - Full electric transition
EL-03007/2-EN-February 2023 Solutions for imaging equipment
EL-03008/2-EN-February 2023 Linear technology for joining
Product selectors
Video
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