Custom encoder discs

Custom encoder discs for rotary measurement

Custom encoder discs for encoders, servo motors, and rotary measurement equipment. Resolution, channels, zero position, reading mode, mounting holes, and substrate are confirmed together.

Start from the use case

An encoder disc is more than resolution

The disc pattern must match the reader, signal channels, zero reference, and mounting structure. Resolution, transmissive or reflective mode, ring diameter, holes, and rotation direction all affect reliable reading.

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Typical applications

  • Incremental and absolute encoders
  • Servo motors and rotary positioning
  • Angle detection and displacement counting
  • Automation equipment and precision motion stages

Published product directions

Related Ruihua Optical products

The product links below provide a concrete reference for the solution. Pattern, substrate, dimensions, accuracy, and delivery are confirmed per project.

Before you ask

Inputs to include in an enquiry

A complete input list helps engineering review the plan quickly. Send what you already have; missing details can be confirmed during the enquiry.

  • Resolution, track count, channels, and zero mark
  • Reading mode, light source, sensor position, and transmissive or reflective operation
  • Outer diameter, inner diameter, thickness, mounting holes, and datum
  • Glass, film, or metal substrate and surface requirement
  • Speed, environment, quantity, and assembly delivery requirement

Technical confirmation

Encoder-disc confirmation path

  1. 01

    Confirm the reading principle

    Define incremental, absolute, transmissive, or reflective reading before fixing track polarity and layout.

  2. 02

    Turn resolution into pattern inputs

    Use pulses, track count, line width, spacing, and zero-position requirements to set the ring pattern.

  3. 03

    Match the mounting structure

    Confirm inner and outer diameter, thickness, holes, datum, and rotation direction to avoid assembly mismatch.

  4. 04

    Confirm inspection and batch delivery

    Set pattern inspection, dimensional checks, quantity, carriers, packaging, and delivery batches.

FAQ

Encoder-disc questions

Can you customize a disc from an existing encoder model?

The model and mounting structure are a useful starting point, but reading mode, resolution, channels, zero position, and actual dimensions still need confirmation.

How do glass and film encoder discs differ?

Glass generally offers more stable flatness, while film is lighter and can suit some large-format or trial applications. The choice follows accuracy, environment, and assembly.

What should we provide for an absolute encoder disc?

Provide the code, bit count, track layout, zero position, outer profile, and mounting drawing. The pattern file and inspection method are fixed after engineering review.

Pattern, dimensions, accuracy, reading method, mounting structure, and lead time are governed by the technical confirmation sheet.

Send us the drawing, dimensions, and application

We will confirm a workable plan based on the pattern, substrate, accuracy, and operating environment. All parameters are subject to the final technical confirmation sheet.