INDUSTRY COMPONENT

Moving Frame

A precision moving frame component in autofocus actuators that enables controlled linear motion for optical focusing systems.

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Component Specifications

Definition
The moving frame is a critical structural component within autofocus actuators, designed to provide stable, low-friction linear motion along a defined axis. It typically interfaces with voice coil motors or piezoelectric actuators to achieve micron-level positioning accuracy for optical elements like lenses or mirrors in imaging systems.
Working Principle
Operates on electromagnetic or piezoelectric actuation principles where controlled force moves the frame along guide rails or flexures, maintaining alignment while minimizing parasitic motion. Position feedback from sensors (encoders, capacitive sensors) enables closed-loop control for precise focus adjustment.
Materials
Aluminum alloy (e.g., 6061-T6) for lightweight rigidity, stainless steel (304/316) for corrosion resistance, or engineered polymers (PEEK, UHMW-PE) for low friction. Surface treatments include anodizing, nickel plating, or PTFE coatings.
Technical Parameters
  • Accuracy ±0.5 μm
  • Max Speed 50 mm/s
  • Stiffness >100 N/μm
  • Travel Range 0.5-10 mm
  • Load Capacity 0.5-5 kg
  • Repeatability ±0.1 μm
  • Operating Temperature -10°C to 60°C
Standards
ISO 1101, DIN 7184, ISO 10110

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Moving Frame.

moving frame autofocus actuator linear motion stage precision component optical focusing voice coil motor piezoelectric actuator Moving Frame in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Autofocus actuator

A precision electromechanical component that adjusts the position of camera lens elements to achieve optimal focus.

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Engineering Analysis

Risks & Mitigation
  • Misalignment due to wear
  • Thermal expansion affecting accuracy
  • Vibration-induced positioning errors
  • Contamination on guide surfaces
FMEA Triads
Trigger: Wear on guide rails or bearings
Failure: Increased backlash and reduced positioning accuracy
Mitigation: Use hardened steel rails with periodic lubrication; implement wear monitoring sensors
Trigger: Thermal expansion from motor heat
Failure: Drift in focus position over time
Mitigation: Select low-CTE materials; integrate temperature compensation in control algorithms

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 1101: Flatness ≤2 μm, Parallelism ≤3 μm over travel range
Test Method
Laser interferometry for positional accuracy; white light interferometry for surface flatness; vibration testing per ISO 10816

Buyer Feedback

★★★★☆ 4.8 / 5.0 (13 reviews)

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Moving Frame arrived with full certification."

"Great transparency on the Moving Frame components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

"The Moving Frame we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."

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Frequently Asked Questions

What is the primary function of a moving frame in autofocus actuators?

It provides controlled linear motion to position optical elements (like lenses) with high accuracy for focus adjustment in imaging systems.

How does material selection impact moving frame performance?

Materials affect weight, stiffness, thermal stability, and friction. Aluminum offers light rigidity, stainless steel provides durability, and polymers reduce friction without lubrication.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Mounting Threads Moving mass