Automotion Components Curvi-Line Rails
What is...
Features
Flexibility when you need it
Constant radius, variable radius are available in standard radii, non-standard radii to your drawings are also possible. Straight and curved sections in a single length can be supplied.
Any radius
- From 120mm radius upwards.
- Standard and special radii.
- Angles up to 360°.
Anti-corrosion
Alloy coating or nickel plating of the rails and sliders can be applied to provide a corrosion resistant solution.
Two profiles
- Small and medium rail profiles.
- Add carriages to suit load.
Examples
Circle
Semi-circle
Arcs
Ovals
Complex rails with varied radii and angles
Specifications
- Maximum speed 1,5 m/s.
- Maximum acceleration 2 m/s2.
- Maximum rail length 3600 mm.
- Two rail sizes 16,5 and 23,5 mm width.
- Minimum radius 120 mm.
- Recommended hole pitch 80 mm.
- Radius tolerance ± 0,5 mm (± 1°).
- Maximum radial load per slider 1615N.
- Temperature range -30°C to +80°C.
- Roller bearing seals 2Z (dust proof), lubricated for life.
- Rollers from 100Cr6, (stainless versions with rubber seals 2RS available on request).
- Sliders are preload adjustable.
- Not suitable for moment loads.
- Special coatings and fi nishes available on request.
Applications
Sliding doors & windows
Internal sliding doors gates • roof lights display cases
Special purpose & packaging machines
Precision positioning systems handling units • robotic systems cutting machines
Safety guarding
Extending protective systems sliding gates automatic pick & place
Transport (military)
Sliding seats protective hatches stretcher extensions
Transport (naval)
Sliding hatches pull-out storage
Transport (automotive)
Ambulance sliding systems fire fighting vehicles sliding panels
Transport (rail)
Seat adjustment sliding doors battery removal units
Product Selection
Rail sizes
The sliders have eccentric rollers that are adjustable with the thin spanner that is supplied with them. This allows the preload of the system to be set as required – tight or free running.
Rail types
Load capacities
| Slider type | C0ax N | C0rad N |
| L1978.CX16-070 | 390 | 560 |
| L1978.CX23-100 | 1110 | 1600 |
Constant radius
Variable radius
Installation
Setting the preload
| Slider type | Tightening torque Nm |
| L1978.CX16-070 | 7 |
| L1978.CX23-100 | 12 |
If the Curviline system is delivered as a system, the sliders are already set with no clearance. In this case fi xing screws are secured with Loctite® at the factory.
If delivered separately, or if the sliders are to be installed in another track, the eccentric rollers must be re-adjusted.
Important: Loctite® must be applied to the roller fixing screws to prevent loosening.
- Wipe the raceways clean.
- Slightly loosen the fixing screws of the rollers. The eccentric rollers are marked on the bottom of the bearing.
- Position the slider(s) at the ends of the rail.
- Insert the flat spanner (provided) onto the hexagonal nut at the top of the roller.
- By turning the spanner clockwise the roller is pressed against the raceway and thus reduces the clearance. Please note that with increasing preload, the friction is also
- increased and thus the service life is reduced.
- Hold the roller with the spanner in the desired position and carefully tighten the fixing screw. The exact tightening torque will be checked later.
- Move the slider on the rail and check the preload over the entire length of the rail. It should move easily and the slider should have no play at any point of the rail.
- Now tighten the fixing screws to the specified tightening torque, whilst securing the roller bearing with the spanner. A special thread in the roller secures the set position.
Installation of rails:
Do not pre-drill fixing holes in the surface the curved rails is going to be mounted to. Use the curved rail as the guide.
