Structured Manufacturing Data (2026)

Code Disc

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Code Disc 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 Code Disc is characterized by the integration of Pattern Track and Substrate. In industrial production environments, manufacturers listed on CNFX commonly emphasize Glass construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A rotating disc with optical or magnetic patterns used to convert angular position into digital signals.

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Product Specifications

Technical details and manufacturing context for Code Disc

Definition
A critical component within feedback encoders that contains precisely patterned tracks (optical, magnetic, or capacitive) which, when read by sensors, generate position or speed signals for motion control systems.
Working Principle
The disc rotates with a shaft, and sensors detect pattern changes on its surface (light/dark transitions, magnetic poles, or capacitive variations) to produce electrical pulses corresponding to angular displacement.
Common Materials
Glass, Metal alloy, Polymer
Technical Parameters
  • Diameter and thickness specifications (mm) Per Request
Components / BOM
  • Pattern Track Part
    Contains the encoded position information in alternating patterns
    Material: Chrome coating or magnetic material
  • Substrate Part
    Provides structural support and dimensional stability
    Material: Glass or metal alloy
  • Mounting Hub Part
    Secures the disc to the rotating shaft
    Material: Aluminum or steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Code Disc.

optical encoder code disc rotary position sensor disc magnetic pattern code wheel glass substrate encoder disc industrial angular measurement disc

Applied To / Applications

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

Feedback Encoder
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Position Feedback Encoder
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Digital Encoder
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Output Encoder
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 2 bar
other spec: Max rotational speed: 10,000 RPM, Resolution: 1-65,536 pulses per revolution
temperature: -40°C to +85°C
Media Compatibility
✓ Clean air environments ✓ Non-corrosive gases ✓ Dry industrial machinery
Unsuitable: High-vibration or shock environments
Sizing Data Required
  • Required resolution (bits or PPR)
  • Maximum rotational speed (RPM)
  • Mounting interface requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive wear
Cause: Prolonged exposure to particulate-laden fluids causing material removal from disc surfaces, leading to reduced sealing efficiency and eventual leakage.
Fatigue cracking
Cause: Cyclic stress from repeated pressure fluctuations or thermal cycling, initiating micro-cracks that propagate through the disc material, potentially causing catastrophic failure.
Maintenance Indicators
  • Visible scoring or deep grooves on the disc sealing surfaces
  • Unusual vibration or audible knocking during operation indicating disc instability or partial blockage
Engineering Tips
  • Implement regular fluid filtration and contamination control to minimize abrasive particle ingress
  • Establish preventive maintenance intervals based on operating cycles rather than calendar time, with thorough inspection of disc surfaces and clearances

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 (Quality Management Systems) ASTM A29/A29M (Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought and Cold-Finished) DIN 471 (Retaining Rings for Shafts - Grooves and Retaining Rings
Manufacturing Precision
  • Bore Diameter: +/-0.025mm
  • Parallelism: 0.05mm per 100mm
Quality Inspection
  • Dimensional Verification with CMM (Coordinate Measuring Machine)
  • Hardness Testing (Rockwell C Scale)

Factories Producing Code Disc

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 is a Code Disc used for in industrial applications?

A Code Disc converts angular position into digital signals for precise motion control in encoders, used across computer, electronic, and optical manufacturing for accurate positioning and speed measurement.

What materials are commonly used for Code Disc substrates?

Common substrates include glass for high precision and stability, metal alloys for durability, and polymers for cost-effective applications, each selected based on environmental and performance requirements.

How does the pattern on a Code Disc affect signal accuracy?

The optical or magnetic pattern track on the disc determines resolution and accuracy; higher pattern density provides finer angular measurement, essential for precision in manufacturing and automation systems.

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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