Actuator (Motorized versions)
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This page explains how Lead screw or drive mechanism 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.
A mechanical component that converts rotary motion into linear motion within motorized actuators.
Technical details and manufacturing context for Lead screw or drive mechanism
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Lead Screw Diameter | 12–50 mm | Determines load capacity and stiffness |
| Lead | 4–20 mm | Affects linear speed per revolution |
| Dynamic Load Rating | 5–50 kN | Maximum axial load for rated lifeISO 3408 |
| Static Load Rating | 10–100 kN | Maximum load without permanent deformationISO 3408 |
| Travel Accuracy | ±0.05 mm/300mm | Positioning error over 300 mm travelISO 3408-3 |
| Backlash | 0.02–0.10 mm | Lower for precision applications |
| Maximum Linear Speed | 0.5–2.0 m/s | Limited by critical speed and lubrication |
| Operating Temperature | -20–80 °C | Beyond range may affect lubricant and materials |
| Ingress Protection | IP54–IP65 | IP65 for dusty or wet environmentsIEC 60529 |
| Material Grade | C45–42CrMo4 | Alloy steel for higher strengthDIN EN 10083 |
| Weight | 2–15 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.
| pressure: | Up to 10 MPa axial load capacity, dependent on screw diameter and material |
| other spec: | Maximum linear speed: 1.5 m/s, Backlash: 0.01-0.1 mm depending on precision grade |
| temperature: | -40°C to 120°C (standard), up to 200°C with special materials |
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.
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The lead screw converts the rotary motion of the motor into linear motion, enabling precise positioning, pushing, or pulling. It is the transmission component that determines the actuator's accuracy and load capacity.
The diameter (12–50 mm) affects load capacity and stiffness; larger diameters handle higher loads. The lead (4–20 mm) determines linear speed per revolution; smaller leads provide finer resolution but lower speed. Choose based on your application's load and speed requirements.
Dynamic load rating (5–50 kN) is the maximum axial load for a rated life under continuous operation, per ISO 3408. Static load rating (10–100 kN) is the maximum load without permanent deformation. These values help ensure the screw can handle expected loads.
Backlash (0.02–0.10 mm) is the play between screw and nut, affecting positioning accuracy. Lower backlash is needed for precision applications. It can be minimized by using preloaded nuts or anti-backlash designs, but verify with the manufacturer.
This component is essential for the following industrial systems and equipment:
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