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| Screw Assemblies |
| Planetary Screw Assemblies PLSA |
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Compact. Powerful. Quiet.
The Planetary Screw Assembly PLSA is an assembly that consists of a screw and a nut with planets as the anti-friction elements. It serves to convert rotary motion into linear motion. The PLSA is designed to provide increased thrust loads quietly, efficiently, cleanly, and with a higher degree of repeatability and precision when compared with drive solutions of similar sizes. Simply, the PLSA offers higher load capacity and greater overall performance in a smaller package.
Get more information about Rexroth's new Planetary Screw Assembly PLSA (PDF) |
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| - | Plastic injection molding machines | | - | Cutting operations | | - | Forming | | - | Pressing operations | | - | Die cutting | | - | Friction welding | | - | Robots | | - | Measuring and material testing machines |
Target Markets/Industry Segments
| - | Plastics manufacturing | | - | Metals industry | | - | Medical technology | | - | Printing and paper industry | | - | Machine tools | | - | Automation and handling | | - | Food and packaging industries | | - | Metrology |
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| - | Superior axial load capacities provide extended service life and less machine-downtime | | - | High axial rigidity w/best-in-class positional accuracy generates consistent, precise, and quality output | | - | PLSA is capable of providing shorter process cycle times, giving higher throughput as a result of speeds up to 1.5m/s | | - | Quiet operation | | - | Reduce motor sizes w/the high efficiency precision roller technology | | - | Lower operational cost when compared to hydraulics | | - | Extended lubrication life and protection from and for the environment w/Rexroth’s high performing sealing system |
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Design Flexibility
| - | Current sizes and leads available: 20x5, 30x5, 30x10, 48x5, and 48x10. Additional sizes are in development. | | - | Standard overall screw lengths up to 3000mm (depending on the diameter) | | - | Different nut styles available | | - | Custom end machining available | | - | Numerous types of end bearing supports available |
Overall Superior Performance compared to Similar-sized Screw Drives
| - | Dynamic and static load capacities up to 220kN and 481kN, respectively | | - | Higher operational life | | - | High (but similar) positioning accuracy (as low as 0.023mm / 300mm travel) |
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