Drive Mechanism (Motor & Screw) for XY Positioning Stages

Product Specifications

Technical details and manufacturing context for Drive Mechanism (Motor & Screw)

Definition

The drive mechanism is the core actuation component of an XY positioning stage, responsible for translating electrical signals into controlled mechanical movement. It consists of a motor (typically stepper or servo) coupled with a precision screw (such as a ball screw or lead screw) that converts the motor's rotational output into linear displacement. This assembly enables precise positioning along the X and Y axes in automated systems. The motor receives electrical control signals and generates rotational torque, which is transmitted to the screw. The screw's helical threads engage with a nut or carriage, causing linear motion along the screw's axis. The pitch of the screw threads determines the linear travel distance per revolution, allowing for precise position control through motor step counting or encoder feedback. The drive mechanism is available in various configurations to meet different application requirements. Key parameters include rated power (0.1–2.2 kW), rated torque (0.5–10 N·m), screw diameter (12–40 mm), screw lead (5–20 mm), positioning accuracy (±0.01–±0.05 mm per ISO 230-2), repeatability (±0.005–±0.02 mm per ISO 230-2), maximum linear speed (0.1–1.0 m/s), maximum thrust (1–50 kN), supply voltage (24–48 V DC), motor type (stepper or servo), operating temperature (-10 to 50 °C), protection class (IP54–IP65 per IEC 60529), and weight (5–30 kg). Materials commonly used include steel, aluminum alloy, brass, and engineering plastics. The selection of a drive mechanism depends on required thrust, speed, accuracy, and environmental conditions. It is essential to verify model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

The motor receives electrical control signals and generates rotational torque. This rotation is transmitted to the screw, which has helical threads that engage with a nut or carriage. As the screw rotates, the engaged component moves linearly along the screw's axis. The pitch of the screw threads determines the linear travel distance per revolution, allowing for precise position control through motor step counting or encoder feedback.

Common Materials

Steel, Aluminum alloy, Brass, Engineering plastics

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Power	0.1–2.2 kW	Select based on required thrust and speed.
Rated Torque	0.5–10 N·m	Determines maximum load capacity.
Screw Diameter	12–40 mm	Affects load capacity and rigidity.
Screw Lead	5–20 mm	Determines linear speed per revolution.
Positioning Accuracy	±0.01–±0.05 mm	Critical for precision positioning.ISO 230-2
Repeatability	±0.005–±0.02 mm	Consistency of positioning.ISO 230-2
Maximum Linear Speed	0.1–1.0 m/s	Limited by motor speed and screw lead.
Maximum Thrust	1–50 kN	Depends on motor torque and screw efficiency.
Supply Voltage	24–48 V DC	Common for servo/stepper motors.
Motor Type	Stepper/Servo	Stepper for cost, servo for performance.
Operating Temperature	-10–50 °C	Outside range may affect lubrication and motor performance.
Protection Class	IP54–IP65	Higher IP for dusty or wet environments.IEC 60529
Weight	5–30 kg	Affects mounting and structural requirements.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Motor
Provides rotational power and torque to drive the screw

Material: Steel, copper, magnets
Screw Part
Converts rotational motion to linear motion through helical threads

Material: Hardened steel, stainless steel
Nut/carriage Part
Engages with screw threads to create linear movement

Material: Bronze, polymer composites, steel
Coupling
Connects motor shaft to screw while compensating for misalignment

Material: Aluminum, steel, flexible polymer
Support bearings Part
Supports screw rotation and reduces friction

Material: Steel, ceramic balls
Encoder Optional
Feeds back the actual position for precise closed-loop control.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Drive Mechanism (Motor & Screw).

Applied To / Applications

This component is essential for the following industrial systems and equipment:

XY Positioning Stage

View system integration details

Manufacturers of Drive Mechanism (Motor & Screw)

Manufacturer profiles associated with Drive Mechanism (Motor & Screw).

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Frequently Asked Questions

What is the function of the drive mechanism in an XY positioning stage?

The drive mechanism converts the motor's rotary motion into precise linear motion via a screw, enabling controlled positioning along the X and Y axes.

What are the typical motor types used?

Typical motor types are stepper motors for cost-effective applications and servo motors for higher performance and accuracy.

How is positioning accuracy specified?

Positioning accuracy is specified as ±0.01 to ±0.05 mm, referenced to ISO 230-2. Actual values depend on the specific model and must be verified with the manufacturer.

What environmental conditions are considered?

The operating temperature range is -10 to 50 °C, and the protection class is IP54 to IP65 per IEC 60529, suitable for dusty or wet environments.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Atmospheric to 1 bar
other spec:	Max axial load: 5000 N, Max speed: 1 m/s, Positioning accuracy: ±0.01 mm
temperature:	-20°C to 80°C

Drive Mechanism (Motor & Screw)

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards