Applications
- Robotics
- Gantry Systems
- CNC Cutting Systems
- Machine Tools
- Inspection Devices
- Material Handling
- Metal Fabrication
- Automation Equipment
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Nexen offers an advanced new technology that revolutionizes
linear and rotary motion. The Roller Pinion System (RPS) provides zero
backlash, very high positional accuracy, unlimited length or diameters, very
high speeds, 99% efficiency, high rigidity, low noise, low
maintenance, corrosion resistance, and long life. This opens up
new design possibilities and provides the capability to achieve
much higher levels of performance in machine designs.
Zero Backlash /High Precision
The RPS’s innovative meshing action provides zero backlash and positional accuracy up to ± 20 um [± 0.00079
in.] in both directions by maintaining opposing contact with two or more teeth at all times. Each tooth profile is precisely measured relative to the first to ensure that high positional accuracy is
maintained and cumulative error is eliminated.
High
Speed Capability
The RPS system can achieve speeds, up to 11 m/sec (36.1 ft/sec), that can normally only be obtained by
linear motors while providing high positional accuracy. Even at these speeds, the extremely low friction design does not create heat or wear on components.
Unlimited
Travel Length
The linear RPS system is modular in design with 1-meter and 1/2-meter segments that can be combined as needed to meet application requirements. Segments can also be cut to shorter
lengths as needed. This greatly improves stocking, availability,
cost, and replaceability. Segments are joined with a special tool
that uses the rack teeth to transfer the positional accuracy of the
previous rack to the next.
Nexen can also provide solid ring gears up to one meter in diameter. Larger ring gear sizes will be segmented and can be virtually any diameter.
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