Precision Encoder Grating Plate Custom Micro Slot
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Product parameters
Category | Item | Specification |
Basic Information | Product Name | Optical Grating Plate / Encoder Grating |
Process | Chemical Etching (Support Laser Cutting & CNC) | |
Type | Micro Slot / Fine Slit / Custom Pattern | |
Application | Optical Encoder / Measurement / Sensor | |
Material | Material Type | SUS304 / SUS316 / SUS301 Stainless Steel |
Optional Materials | Brass / Copper / Nickel / Aluminum | |
Thickness | 0.02mm – 1.0mm | |
Processing Capability | Minimum Slot Width | 0.01mm – 0.02mm (10–20μm) |
Minimum Line Spacing | 0.01mm – 0.02mm | |
Pitch Accuracy | ±0.003mm – ±0.005mm | |
Etching Accuracy | ±0.005mm | |
Flatness | ≤0.03mm (Depending on thickness) | |
Tolerance | General Tolerance | ±0.01mm |
Precision Area Tolerance | ±0.003mm – ±0.005mm | |
Hole Tolerance | ±0.01mm | |
Position Tolerance | ±0.01mm | |
Surface Treatment | Standard | Clean / No Treatment |
Optional Finish | Matte / Brushed | |
Coating | Black Coating (Anti-reflection) | |
Plating | Nickel Plating | |
Protection | Passivation / Anti-oxidation | |
Functional Features | Slot Quality | High Uniformity / Burr-free |
Performance | Stable Optical Signal Output | |
Precision | High Resolution Capability | |
Stability | Excellent Repeatability | |
Customization | Design | Slot Width / Pitch / Density Customizable |
Pattern | Linear / Circular / Array | |
Shape | Round / Square / Irregular | |
Service | OEM / ODM Supported | |
Quality Control | Inspection | 100% Visual Inspection |
Equipment | Optical Measurement / Microscope | |
Control | Dimensional & Tolerance Inspection | |
Process | Sample Approval Before Mass Production | |
Packaging | Standard | Protective Film + Vacuum Packing |
Protection | Anti-scratch Packaging | |
Custom | Customized Packaging Available |
Product Description
✅ Product Description
Precision encoder grating plate with custom micro slot configuration.
Designed for high-performance encoder applications.
Micro slot structure ensures accurate signal modulation.
Etched manufacturing guarantees high consistency.
Flexible customization for different encoder designs.
✅ Applications
Custom optical encoder components
High-precision motion feedback systems
Automation and robotics
Industrial sensing applications
Specialized measurement devices



Complex Pattern Customization: From Drawing to Etched Grating
In the fast-paced world of R&D and precision engineering, innovation rarely follows a standard path. Engineers and designers often require unique components that defy off-the-shelf specifications. Whether you are developing a new type of optical sensor or a specialized aperture for a scientific instrument, the ability to manufacture complex pattern gratings quickly and accurately is essential.
At our factory, we specialize in turning complex designs into reality. We understand that your project requires more than just a catalog part; it needs a tailored solution. By leveraging digital tooling and precision chemical etching, we offer a seamless path from your custom drawing to a finished Precision Encoder Grating Plate, eliminating the barriers of traditional manufacturing.
The Power of Digital Tooling: No Hard Tooling Required
One of the biggest hurdles in manufacturing custom metal parts is the cost and lead time associated with hard tooling (physical dies and molds). For research projects, prototypes, or specialized optical applications, investing in expensive molds is often impractical.
Our Advantage:
We use digital tooling. Instead of a physical punch, we use high-resolution photoplots to define the pattern. This means:
- Zero Tooling Costs: You do not pay for expensive molds.
- Instant Design Changes: If you need to tweak the design, we simply update the digital file.
- Rapid Prototyping: We can move from a CAD file to a physical part in a fraction of the time it takes for traditional methods.
This makes us the ideal partner for R&D prototyping and low-to-medium volume production runs where flexibility is key.
Handling Complexity: Beyond Simple Lines
While standard linear gratings are common, many advanced applications require intricate designs. Our chemical etching process excels at producing complex pattern gratings that would be impossible or prohibitively expensive to machine.
We can manufacture:
- Absolute Encoder Patterns: Multi-track rings with complex binary or gray code sequences.
- Fiducial Markers: Precise alignment crosses and datum points integrated directly into the grating.
- Variable Pitch Structures: Patterns where the spacing changes logarithmically or according to a specific mathematical function.
- Hybrid Apertures: Components that combine optical slits with mounting holes, text, and logos in a single part.
Whether you need a custom micro slot array or a unique rotary disk, our process ensures that every detail of your design is reproduced with high fidelity.
From Sample to Specification: Reverse Engineering
We understand that in many maintenance or upgrade scenarios, you may not have the original CAD files. Perhaps you have a damaged grating from an obsolete machine or a competitor's part that needs to be replicated.
Our Reverse Engineering Service:
If you send us a physical sample, our team can use high-resolution optical scanning and measurement systems to digitize the pattern. We can then generate the necessary manufacturing data to produce a replacement Precision Encoder Grating Plate that matches the original specifications perfectly. This service is invaluable for keeping legacy industrial equipment running.
Comparison: Customization Capabilities
To illustrate why chemical etching is the superior choice for custom projects, consider this comparison:
Feature | Chemical Etching (Our Process) | Mechanical Punching | Laser Cutting |
|---|---|---|---|
Setup Cost | Low (Digital Files) | High (Hard Tooling) | Low |
Lead Time | Days (No tool fabrication) | Weeks/Months | Days |
Complexity | Unlimited (Any geometry) | Limited by tool strength | Limited by heat distortion |
Best For | Prototypes & Complex Custom Parts | Simple, Mass Production | Simple, Thick Materials |
Materials and Finishes
Customization isn't just about shape; it's about material properties. We work with a wide range of alloys to suit your specific environmental and optical needs:
- Stainless Steel (SUS304/316): For general durability and corrosion resistance.
- Nickel & Inconel: For high-temperature and high-stress environments.
- Copper & Brass: For conductive applications or EMI shielding.
- Aluminum: For lightweight optical mounts.
We can also apply surface finishes such as black oxide or gold plating to reduce glare or improve reflectivity for your specific optical setup.
Conclusion
Don't let manufacturing limitations stifle your innovation. Whether you have a complete CAD design or just a physical sample, our factory has the technology and expertise to bring your vision to life. We are dedicated to providing custom grating solutions that combine the speed of digital manufacturing with the precision of chemical etching.
Contact Us for Custom Solutions
Have a complex design or a prototype need? Let's turn your drawing into a precision part.
Contact: Luna
WhatsApp: 12132219094
Questions and Answers
Frequently Asked Questions (FAQ)
Q1: What file formats do you accept for custom designs?
A: We accept standard CAD formats such as DXF, DWG, and Gerber. For the best results, please also provide a PDF drawing with critical dimensions and tolerances clearly marked.
Q2: Is there a minimum order quantity (MOQ) for custom gratings?
A: No. Because we use digital tooling, there is no minimum order quantity. We are happy to produce a single prototype for testing or a large batch for production.
Q3: Can you match the pitch of an existing grating without a drawing?
A: Yes. We have advanced optical measurement tools that allow us to measure the pitch and line width of a physical sample. We can then replicate this pattern in our manufacturing process.
Q4: How quickly can I get a prototype?
A: Since we do not need to fabricate physical tools, we can often produce prototypes within 3 to 5 business days after the design is approved.
Q5: Do you offer design assistance if my drawing isn't manufacturing-ready?
A: Absolutely. Our engineering team can review your design and suggest optimizations to ensure the custom micro slot features are manufacturable and meet your performance goals.
Factory Description
We have a full set of etching production equipment and mature processing technology. We can manufacture products in any shape with mesh sizes as small as 0.1mm, according to your requirements.
Our Advantage
Factory Direct Shipping
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
Experienced Design and Manufacturing Team
We work closely with customers from the design phase to help avoid potential product flaws, ensuring both the functionality and design meet expectations.
Excellent Supply Chain Management
We can quickly adjust production schedules to meet your urgent deadlines, whether it's for large bulk orders or smaller rush orders.
OEM & ODM Support
We offer the option to print your logo or other customizations.
Strict Quality Control
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
Certificate
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