FILTERS, SCREENS & SIEVES

In the world of precision engineering, the ability to separate solids from liquids or sort particles by size is fundamental. Whether it's for aerospace, medical devices, or high-end food processing, the integrity of your filters, screens, and sieves determines the quality of your end product.

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While traditional stamping has been the industry standard for decades, modern engineering demands a level of sophistication that mechanical punching simply can’t reach. Metching is bridging that gap with advanced photochemical etching—a process that delivers unmatched precision, flexibility, and speed.

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The Limitations of Traditional Stamping

 

For large-scale, simple production runs, mechanical stamping (perforation) is a common choice. However, as designs become more intricate, the "old way" starts to show its flaws:

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• Expensive Tooling: Hard steel dies are costly to produce and maintain.

• Design Rigidity: Once a tool is made, changing the design is expensive and slow.

• Material Stress: Physical punching can warp the metal or leave behind burrs—tiny, jagged edges that can contaminate a filtration process.

• Limited Complexity: Stamping struggle with very thin materials or ultra-fine mesh patterns.

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Photochemical Etching: The Smarter Alternative

 

Photochemical etching is a subtractive manufacturing process that uses a chemical reaction to selectively remove material. Instead of "hitting" the metal, we "shape" it with liquid precision.

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Why choose etched filters over stamped ones?

1. Limitless Complexity: Because we use digital tooling, we can create complex geometries and hole structures that are physically impossible to stamp.

2. Burr-Free & Stress-Free: Since there is no mechanical force involved, the metal remains perfectly flat and free of internal stresses or surface imperfections.

3. Rapid Prototyping: Digital tooling means we can move from a CAD design to a finished part in a fraction of the time. Need to change a hole diameter by 0.05mm? We simply update the file—no new expensive dies required.

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Uncompromising Precision

 

When we talk about precision, we mean it. Metching’s chemical etching service allows for microscopic accuracy that satisfies the most stringent engineering standards.

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• Minimum Opening Size:  Down to 0.1mm

• Tolerance/Accuracy:  Precise to ±0.020mm

• Material Thickness:  Ranging from 0.01mm to 2.5mm

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By machining all mesh openings simultaneously, we ensure total uniformity across the entire sheet. Whether you are working with stainless steel, copper alloys, or exotic metals, our process delivers a clean, high-performance component every single time.

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Elevate Your Manufacturing with Metching

 

If you are tired of the constraints of traditional perforation and are looking for a cost-effective, high-precision solution for your filtration needs, photochemical etching is the answer. We offer the speed of digital manufacturing combined with the quality of artisan engineering.

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