📍**"How Perforated Metal Sheets Are Made – Behind the Process"**
Ever wondered how those precise, clean, and durable metal perforated sheets are actually made? Whether you’re a distributor, architect, or OEM buyer, understanding the process helps you choose better and plan smarter.
Here’s a step-by-step breakdown of how perforated metal sheets are manufactured — from raw sheet to final punched product:
⚙️ Step-by-Step Perforation Process
🔩 1. Raw Material Selection
We start with flat metal sheets like stainless steel, galvanized steel, aluminum, or mild steel. Thickness typically ranges from 0.3mm to 10mm depending on usage.
📐 2. Sheet Leveling & Cleaning
Sheets are flattened and cleaned to remove oil, dust, or rust — essential for accurate punching and preventing tool wear.
🛠 3. CNC Tooling or Mold Setup
Using CNC punching machines or custom die molds, we prepare the machine for your specific hole shape, pattern, pitch, and margins.
🔲 4. Perforation Process Begins
Metal is passed through the punching machine. The machine rapidly punches hundreds to thousands of holes per minute with high accuracy.
→ Hole Types: round, square, slotted, hexagonal, custom
→ Patterns: staggered, straight line, diagonal
📏 5. Trimming & Cutting
After perforation, the sheets are cut into your specified dimensions — common sizes: 1000×2000mm, 1220×2440mm, or custom sizes.
🧽 6. Deburring & Surface Finishing
Sharp edges are removed (deburring), and surfaces can be treated by:
✓ Pickling
✓ Galvanizing
✓ Powder coating
✓ Anodizing
✓ Anti-fingerprint coating
🧰 7. Quality Control & Packaging
We check hole accuracy, sheet flatness, surface treatment, and dimensions. Sheets are then packed in wooden pallets or export-safe wrapping.
✅ You Get:
• High-precision, rust-resistant perforated metal sheets
• Fully customized hole pattern, size, and layout
• Ready for construction, industrial, or decorative use
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💬 Want a custom punch pattern, need help choosing open area, or have OEM specs?
Drop us a message — we provide drawings, material guidance, and bulk quotes.
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