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Moving Frame Component – Computer, Electronic and Optical Product Manufacturing

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.

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.

View Product Details

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

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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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.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Moving Frame