Multi-Axis Positioning Stage
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This page explains how Ball Screws/Linear Motors 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.
Precision linear motion components that convert rotational motion to linear motion or directly produce linear force for positioning systems.
Technical details and manufacturing context for Ball Screws/Linear Motors
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Shaft Diameter | 16–80 mm | Determines load capacity and stiffness |
| Lead | 5–40 mm | Affects speed and resolution |
| Dynamic Load Rating | 5–120 kN | Basis for life calculationISO 3408 |
| Static Load Rating | 10–250 kN | Maximum load without permanent deformationISO 3408 |
| Travel Accuracy Grade | C3–C7 | C3 for high precision, C7 for general useISO 3408-3 |
| Repeatability | ±0.005–±0.02 mm | Critical for positioning applications |
| Maximum Speed | 3000–6000 rpm | Limited by critical speed of screw |
| Operating Temperature | -20–80 °C | Outside range may affect lubrication and materials |
| Ingress Protection | IP54–IP65 | Higher IP for dusty or wet environmentsIEC 60529 |
| Shaft Material | GCr15 | Bearing steel for hardness and wear resistanceGB/T 18254 |
| Nut Material | GCr15 | Same as shaft for consistent performanceGB/T 18254 |
| Weight | 2–50 kg | Depends on length and diameter |
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 Screws/Linear Motors.
This component is essential for the following industrial systems and equipment:
| pressure: | Not applicable (mechanical component) |
| other spec: | Max speed: 3 m/s (ball screws), 5 m/s (linear motors); Accuracy: ±5-50 μm/m; Load capacity: 1-100 kN |
| temperature: | -20°C to +80°C (standard), up to +120°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.
2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.
A practical evidence checklist for RFQ preparation and supplier evaluation.
CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.
A ball screw converts rotational motion from a motor into linear motion using recirculating ball bearings, providing high stiffness and load capacity. A linear motor produces linear force directly via electromagnetic interaction, offering high speed and acceleration with minimal backlash and no mechanical transmission.
Shaft diameter affects load capacity and stiffness; typical ranges are 16–80 mm. Lead affects speed and resolution; typical ranges are 5–40 mm. Selection depends on application requirements such as load, speed, and precision. Always verify with manufacturer data.
Travel accuracy grades range from C3 to C7 per ISO 3408-3. C3 is for high precision, while C7 is for general use. The grade indicates the permissible deviation in travel per unit length.
Ball screws require periodic lubrication and inspection for wear or backlash. Linear motors have fewer moving parts, reducing maintenance, but require protection from contamination and proper cooling. Follow manufacturer guidelines for service intervals.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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