Motion System (Gantry/Head)
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This page explains how Ball Screw or Rack & Pinion is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
Linear motion transmission components that convert rotary motion into precise linear movement within motion systems.
Technical details and manufacturing context for Ball Screw or Rack & Pinion
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Nominal Diameter | 16–80 mm | Determines load capacity and stiffness.ISO 3408 |
| Lead | 5–40 mm | Affects speed and resolution.ISO 3408 |
| Accuracy Grade | C3–C7 | C3 for high precision, C7 for general use.ISO 3408 |
| Dynamic Load Rating | 5–120 kN | Basis for fatigue life calculation.ISO 3408 |
| Static Load Rating | 10–250 kN | Maximum load without permanent deformation.ISO 3408 |
| Maximum Travel Speed | 60–120 m/min | Limited by critical speed and DN value. |
| Operating Temperature | -20–80 °C | Lubricant and material limits. |
| Backlash | 0–0.05 mm | Zero backlash for precision positioning.ISO 3408 |
| Shaft Length | 200–6000 mm | Custom lengths available. |
| Weight | 2–150 kg | Depends on diameter and length. |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
Commonly used trade names and technical identifiers for Ball Screw or Rack & Pinion.
This component is essential for the following industrial systems and equipment:
| pressure: | N/A (mechanical component, not fluid pressure) |
| other spec: | Max axial load: 5-500 kN (depends on size), Max speed: 1-5 m/s, Accuracy: ±0.005-0.05 mm/m |
| temperature: | -20°C to 120°C (standard), up to 200°C with special seals/lubrication |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
Manufacturer profiles associated with Ball Screw or Rack & Pinion.
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A practical evidence checklist for RFQ preparation and supplier evaluation.
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A ball screw uses recirculating ball bearings between the screw and nut to convert rotary motion into linear motion with low friction. A rack and pinion uses a rotating pinion gear meshing with a linear rack to achieve linear movement. Ball screws typically offer higher precision and stiffness, while rack and pinion systems can be more cost-effective for long travel lengths.
Accuracy grades range from C3 to C7 per ISO 3408. C3 is for high precision applications, while C7 is for general use. The grade indicates the permissible deviation in lead and positioning accuracy.
Selection depends on load capacity, required speed, accuracy, and travel length. Refer to parameters such as nominal diameter, lead, dynamic and static load ratings, and maximum travel speed. Always verify these values with the manufacturer for your specific application.
Regular lubrication is essential to reduce friction and wear. Inspect for backlash, noise, and vibration. Follow manufacturer guidelines for lubrication intervals and replacement of worn parts. Operating temperature and environmental conditions affect maintenance frequency.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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