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Custom Perforated Metal Sheets Precision Punching

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December 24, 2025
Category Connection: PPGI Steel Coil
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Tags:
#PPGI Coil Sheet #PPGI Coated Coil #Prepainted Steel Coil
Brief: Watch as we walk through the full process, from initial setup to real-world testing. This video demonstrates the precision punching of galvanized color coated steel coils using CNC equipment. You'll see how we create custom perforated patterns for enhanced ventilation, light transmission, and decorative applications across architecture, industry, and home furnishings.
Related Product Features:
  • Precision punching with CNC equipment ensures hole diameter tolerance of ±0.05mm for Φ2-Φ20mm holes.
  • Customizable hole patterns and designs to meet specific architectural and industrial requirements.
  • Retains anti-corrosion properties and aesthetic appeal of the original galvanized color coated steel.
  • Post-treatment processes include deburring and edge grinding for smooth, safe perforated edges.
  • Suitable for architectural applications like decorative panels, sound-absorbing ceilings, and ventilation screens.
  • Ideal for industrial uses including machinery protective covers, filter screens, and heat dissipation plates.
  • Applications in home furnishings and transportation for decorative panels and ventilation components.
  • Enhanced functionality with features like ventilation, light transmission, and noise reduction capabilities.
FAQs:
  • What are the key precision specifications for the punched holes?
    Our punching process maintains hole diameter tolerance of ±0.05mm for holes between Φ2-Φ20mm and ±0.1mm for holes from Φ21-Φ50mm, with hole pitch tolerance of ±0.1mm and burr height controlled at ≤0.02mm.
  • What applications are suitable for punched galvanized color coated steel coils?
    These perforated sheets are widely used in architectural decoration for exterior wall panels and sound-absorbing ceilings, industrial applications for machinery covers and filter screens, and home furnishings including decorative panels and transportation components.
  • How does the punching process affect the material's corrosion resistance?
    The punching process preserves the galvanized color coating's anti-corrosion properties, with optional touch-up painting on cuts to maintain protection. The base material's weather resistance remains intact throughout the precision punching procedure.
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