Custom Photo Etched Encoder Discs Metal Etching Service 0.02-1.0mm Stainless Steel Nickel
Product Details
| Product Name: | Photo Etched Encoder Disc | Process: | Photo Chemical Etching, Both Sides Where Required |
|---|---|---|---|
| Material: | Stainless Steel 304 / 316 / Nickel | Thickness: | 0.02 Mm - 1.0 Mm |
| Tolerance: | Down To +/- 0.005 Mm, Confirmed Per Drawing | Minimum Line Width: | 0.01 Mm |
| Slot Pattern And PPR: | Built From The Customer Drawing | Bore And Hub: | Custom Bore, Keyway And Hub Arrangement Per Drawing |
| Drawing Format: | DXF, DWG, CAD, Dimensioned PDF | Application: | Optical Encoders, Rotary Encoders, Servo And Motion Control |
| OEM: | Available, Etched To Customer Drawing | ||
| Highlight |
Custom Photo Etched Encoder Discs,0.02-1.0mm Stainless Steel Discs,Metal Photo Etching Service |
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Product Description
Custom Photo Etched Encoder Discs Metal Etching Service 0.02-1.0mm Stainless Steel Nickel
Service Summary
We etch encoder discs and encoder wheels as a custom job, not as a stock item. You provide the disc diameter, slot pattern, track layout, bore and thickness on a 2D drawing; we transfer that pattern to a phototool and etch it into thin metal sheet. Because the pattern is defined entirely by the phototool, a change of PPR or slot geometry does not require new dies.
Etching is a chemical, non-mechanical process. There is no shearing force on the disc, so the part stays flat, the slots keep clean edges and the base material keeps its original temper and magnetic behaviour.
Disc Patterns We Etch
- Single-track incremental discs with evenly spaced slots
- Two-track discs with quadrature offset for direction sensing
- Index and commutation track combinations on the same disc
- Absolute pattern discs with coded track windows
- Encoder wheels and discs supplied with or without a carrier ring
- Bare discs for mounting by bore, or discs bonded onto a customer hub
Material and Thickness
- Stainless steel 304 and 316 for general encoder use
- Nickel and nickel-plated stock where the optical contrast is specified by the sensor maker
- Sheet thickness from 0.02 mm to 1.0 mm
- Other etchable alloys can be reviewed against the drawing on request
Etching Capability
| Process | Photo chemical etching, both sides where required |
|---|---|
| Sheet thickness | 0.02 mm - 1.0 mm |
| Dimensional tolerance | Down to +/- 0.005 mm, confirmed against the drawing |
| Minimum line width | 0.01 mm |
| Slot pattern and PPR | Built from the customer drawing |
| Bore and hub | Custom bore, keyway and hub arrangement per drawing |
| Accepted files | DXF, DWG, CAD or dimensioned PDF |
| Volume | Prototype discs through repeat production lots |
Information We Need With Your Drawing
- Outer diameter, bore diameter and any hub dimensions
- Number of slots or windows per track, and the track radius
- Slot width and the required line width between slots
- Material grade and sheet thickness
- Flatness, burr and edge-finish requirements
- Quantity per lot and packing preference
Quality and Inspection
- Incoming sheet checked for grade and thickness before etching
- First-article measurement of slot count, track position and bore before the lot continues
- Optical check of slot edges for burrs, bridging and etch-through
- Flatness check on the finished discs
- Inspection report and material certificate available when requested on the order
- Production under ISO 9001, ISO 14001 and IATF 16949 certified systems
How an Order Runs
- You send the disc drawing, material, thickness and quantity.
- Our engineers check etchability of the slot pattern and confirm the process route.
- Quotation, sample arrangement and schedule are agreed in writing for that specific disc.
- Production starts after drawing approval, with inspection carried out as the lot is processed.
- Discs are packed and shipped as stated on the order confirmation.
Frequently Asked Questions
Can you etch a disc from our existing encoder drawing?
Yes, provided the drawing is dimensioned and the slot pattern is fully defined. If only a sample disc or a scanned print is available, we will ask for the missing dimensions before quoting.
Does etching affect the flatness of a thin disc?
Etching applies no mechanical force, so thin discs keep their flatness better than with stamping or shearing. Residual stress in the incoming sheet is still a factor, which is why the material and flatness requirement are reviewed together.
How fine can the slot pattern be?
Line widths down to 0.01 mm can be etched. What is achievable on a given disc depends on sheet thickness and slot depth, and it is confirmed after the drawing is reviewed.
Do you supply the disc with a hub or carrier?
Discs are supplied as bare etched parts. Hub bonding, insert fitting and other assembly steps should be specified in the inquiry so they can be included in the review.
How is the schedule decided?
The schedule is set per project once the drawing is approved and the order is confirmed. It varies with slot complexity, material availability and quantity, and is written on the order confirmation.
Send Your Disc Drawing
Share the encoder disc drawing and requirements through the inquiry form and our engineering team will review the etching feasibility for your project.
Product Highlights
Job-based photo chemical etching of custom encoder discs and encoder wheels. Discs are etched to the customer drawing in stainless steel 304/316 or nickel, 0.02-1.0mm thick, with slot patterns, custom PPR, bore and hub detail held with burr-free edges and flatness kept by the non-mechanical process.
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