Structured Manufacturing Data (2026)

Tray Mechanism

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Tray Mechanism used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Tray Mechanism is characterized by the integration of Tray Plate and Drive Motor. In industrial production environments, manufacturers listed on CNFX commonly emphasize Engineering Plastic (e.g., ABS, POM) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Mechanical assembly that extends and retracts the disc tray in an optical drive.

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Product Specifications

Technical details and manufacturing context for Tray Mechanism

Definition
A tray mechanism is the electromechanical component within an optical drive (such as CD, DVD, or Blu-ray drives) responsible for the controlled loading and unloading of discs. It consists of a motor, gears, rails, and the tray itself, working together to smoothly extend the tray for disc insertion and retract it securely into the drive housing for operation.
Working Principle
Upon receiving an electronic signal (e.g., from an eject button or software command), a small DC motor is activated. This motor drives a gear train, which converts rotational motion into linear motion along guide rails. This linear motion pushes the plastic or metal tray outward from the drive chassis. A limit switch or sensor detects when the tray is fully extended or fully retracted, signaling the motor to stop. A locking mechanism often engages when retracted to hold the tray and disc firmly in place during high-speed rotation.
Common Materials
Engineering Plastic (e.g., ABS, POM), Stainless Steel, Aluminum Alloy
Technical Parameters
  • Standard tray dimensions compatible with 120mm optical discs (CD/DVD/Blu-ray). (mm) Standard Spec
Components / BOM
  • Tray Plate Part
    Platform that holds the optical disc; features a spindle hub for centering and a recess for disc placement.
    Material: ABS Plastic
  • Drive Motor
    Provides the rotational force to move the tray via the gear assembly.
    Material: Copper Windings, Steel Housing
  • Rack and Pinion Gear Set
    Converts the rotational motion from the motor into the linear motion required to extend/retract the tray.
    Material: POM Plastic or Steel
  • Guide Rails Part
    Provide a low-friction, precise path for the tray to slide along during operation.
    Material: Stainless Steel or Aluminum
  • Limit Switch/Sensor
    Detects when the tray has reached its fully extended or retracted position, signaling the motor to stop.
    Material: Plastic, Metal Contacts

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tray Mechanism.

Disc Tray Loading Mechanism optical drive tray mechanism replacement disc tray assembly rack and pinion computer optical drive tray parts tray mechanism for DVD Blu-ray drives industrial optical drive tray components

Applied To / Applications

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

Optical Drive
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric only (non-pressurized)
other spec: Max tray load: 150g, Extension/retraction speed: 0.5-2.0 sec, Duty cycle: 10,000 cycles
temperature: -10°C to 60°C
Media Compatibility
✓ Standard optical discs (CD/DVD/Blu-ray) ✓ Lightweight plastic media cartridges ✓ Clean room environments (ISO Class 5 or better)
Unsuitable: High particulate environments (e.g., industrial workshops with metal dust)
Sizing Data Required
  • Optical drive form factor (e.g., 5.25", slimline)
  • Required tray extension length (mm)
  • Mounting interface specifications (screw pattern, clearance)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Misalignment-induced binding
Cause: Wear in pivot points or guide rails leading to uneven tray movement and increased friction
Fatigue failure of support components
Cause: Cyclic loading from repeated extension/retraction causing material fatigue in brackets or slides
Maintenance Indicators
  • Audible grinding or scraping noises during operation
  • Visible wobble or uneven movement when extending/retracting
Engineering Tips
  • Implement regular alignment checks and lubrication of all moving components using manufacturer-specified lubricants
  • Install load monitoring sensors to prevent overloading and establish preventive replacement schedules for high-wear components

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ANSI/BIFMA X5.1 - Office Furniture Tests DIN 4549 - Industrial Drawers and Tray Systems
Manufacturing Precision
  • Flatness: +/-0.1mm across surface
  • Slide Fit: +/-0.05mm clearance tolerance
Quality Inspection
  • Load Cycle Testing - 10,000 cycles minimum
  • Dimensional Verification - Coordinate Measuring Machine (CMM)

Factories Producing Tray Mechanism

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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 materials are used in the tray mechanism for durability?

Our tray mechanisms combine engineering plastics like ABS and POM for lightweight structural components with stainless steel and aluminum alloy for gears and guide rails, ensuring long-term reliability and smooth operation.

How does the tray mechanism extend and retract the disc tray?

The mechanism uses a drive motor with a rack and pinion gear set that converts rotational motion into linear movement along guide rails, while limit switches/sensors ensure precise positioning and prevent over-extension.

What industries use this tray mechanism?

Primarily computer, electronic, and optical product manufacturing for devices like DVD drives, Blu-ray players, and optical disc readers in computers, gaming consoles, and industrial equipment requiring reliable disc handling.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

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.

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