Overview

A perforated metal sheet etching service turns a customer's hole pattern into finished fine-perforated sheet using photochemical machining, with no punch dies and no tooling lead time. The service takes a drawing or DXF, generates the artwork, and etches the holes through from both sides so the delivered sheet is flat, burr-free and uniform across every aperture. For buyers, this means a single supplier can move a design from prototype to production volume without changing process, and can revise hole size, pitch or open area between orders at no extra cost.

The service covers stainless steel 304/316L, aluminum and copper in thicknesses from 0.05 mm to 2.0 mm, with hole diameters from about 0.1 mm upward and open-area ratios set by artwork. Typical jobs are filter screens, support layers, grilles, venting plates and sensor guards. Because the perforated metal sheet etching service is chemistry-driven rather than tool-driven, it handles hard alloys, thin gauges and dense hole counts that a punch press would tear or deform, while keeping every sheet in a batch identical.

Parameter Window

• Available Materials: stainless steel 304/316L, aluminum (1050/5052), copper C1100, nickel
• Material Thickness Range: 0.05–2.0 mm
• Tolerance: hole diameter ±0.025 mm, pitch ±0.05 mm across the panel
• Minimum Feature: hole diameter down to 0.1 mm, minimum web 0.1 mm
• Surface Options: as-etched, electropolished, passivated, anodized (aluminum), nickel plated
• Compliance: ISO 9001 process control, RoHS/REACH material traceability

Manufacturing Process / Workflow (8 Steps)

1. File Intake & DFM Review — Import the drawing or DXF, check hole size against thickness and flag any web below the process minimum.
2. Artwork Generation — Build the vector pattern, add registration marks and step the panel for the agreed sheet size.
3. Material Selection — Confirm alloy, temper and thickness against the service environment and the hole specification.
4. Cleaning & Lamination — Degrease the sheet and laminate dry film resist on both sides for double-side etching.
5. Double-Side Exposure — Expose the pattern with front-to-back registration so every hole is straight and centered.
6. Etching — Spray etch with matched chemistry, controlling time, temperature and pressure to hit diameter with limited undercut.
7. Stripping & Finishing — Strip resist, neutralize, then apply electropolish, passivation or anodize as specified.
8. Inspection & Delivery — Measure hole diameter, pitch, open area and flatness, then pack flat with interleaving and ship.

Core Advantages

1. No tooling or dies: The hole pattern is a film, so prototypes and revisions run without die cost or die lead time.
2. Volume-ready repeatability: The same chemistry and artwork carry the design from first sample to production runs with identical results.
3. Flat, burr-free sheet: Double-side etching leaves no mechanical set and no burr, so sheets stack, filter and seal correctly.
4. Fine holes, dense pitch: Hole sizes and webs near 0.1 mm hold cleanly where punching tears or work-hardens the metal.
5. Alloy flexibility: Stainless, aluminum and copper share one line, letting a filter stack mix materials in a single order.
6. Fast design changes: New hole size or open area is a new film, not a new die, so the service adapts to design changes quickly.

Typical Applications

• Filter and screen media: Fine-hole sheets for liquid and gas filtration with clean, non-shedding edges.
• Filter support plates: Flat support layers that keep membranes flat under pressure.
• Speaker and vent grilles: Uniform perforations for acoustic and airflow covers.
• Battery venting plates: Controlled open area for pressure equalization.
• Sensor and encoder guards: Perforated covers that protect while passing signal or light.
• Decorative and appliance mesh: Patterned sheet where the perforation is the finish.

Design Notes & Process Considerations

1. Hole size versus thickness: Keep minimum hole diameter at 1× thickness or greater to avoid tapered, undersized holes.
2. Minimum web: Maintain a land of at least 1× thickness between holes so the web does not distort or merge.
3. Open-area specification: Give the target open area as a percentage; it is resolved from hole size, pitch and stagger.
4. Hole shape: State round, square, slot or hexagonal holes, as the shape changes both flow and appearance.
5. Flatness requirement: For large or very thin panels, specify flatness per 300 mm to set the handling and packing standard.
6. Finish callout: Name electropolish or passivation for corrosive service and anodize for aluminum color, so the finish is not left open.