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High-Speed CNC Turret Punching & Forming Solutions
While laser cutting excels at complex contours, CNC Turret Punching remains the undisputed champion for high-speed hole making and integrated metal forming. This process utilizes a computer-controlled turret holding dozens of standard tool shapes to punch holes and forms into sheet metal with incredible speed and repeatability.
At JUCHENG, we leverage advanced servo-electric turret punch presses to deliver cost-effective solutions for parts with high hole counts, such as ventilation grilles and server racks. Beyond just cutting, our punching service adds value by creating 3D features—like louvers, knockouts, bridges, and countersinks—directly on the machine, eliminating the need for secondary stamping operations and significantly reducing production costs.
Punching Service

JUCHENG’s Punching & Forming Capacities

Our punching department is optimized for volume and versatility:
  • Integrated Forming: We can create 3D features such as Louvers (vents), Card Guides, Embosses, Extrusions, and Hinges in the same cycle as cutting, creating a semi-finished part in one go.
  • High-Speed Perforation: Capable of up to 500+ hits per minute, making it vastly faster and cheaper than laser cutting for parts like speaker grills or mesh panels.
  • In-Machine Tapping: Our machines are equipped with auto-tapping stations, creating threaded holes directly on the sheet without manual labor.
  • Auto-Indexing: Our tools can rotate 360 degrees to cut complex angles and curves, bridging the gap between punching and profiling.
  • Capacity: We process sheets up to 3mm thick (Stainless) and 6mm thick (Aluminum) with a bed size supporting standard 4x8 ft sheets.
louvers

Product Gallery Categories

Perforated Mesh & Grilles
Perforated Panels
Formed Louvers & Vents
Formed Louvers
Electrical Enclosures (Knockouts)
Electrical Knockouts
Countersunk & Tapped Parts
Countersunk Holes
Embossed Logos & Identifiers
Embossed Logos

Materials Available

Ideal Materials for Punching
Punching works best on ductile metals that shear cleanly:
Material Class Recommended Process Why Punching?
Galvanized Steel SECC, SGCC Punching protects the zinc coating better than laser (no burnt edges). Ideal for chassis.
Aluminum 5052, 3003 Excellent formability allows for deep louvers and extrusions without cracking.
Mild Steel SPCC, Q235 The most cost-effective material for high-volume stamped brackets and panels.
Stainless Steel 304, 430 Requires heavy tonnage. We use special coated punches to prevent galling.
Copper & Brass C26000, C11000 Soft metals punch cleanly but require careful stripping to prevent marking.

Comparison

Comparison: CNC Punching vs. Laser Cutting
When should you choose Punching over Laser?
Feature CNC Turret Punching Fiber Laser Cutting
Speed (Holes) Extremely Fast (Milliseconds per hole) Slower (Must trace circumference)
Speed (Contours) Slower (Nibbling marks) Fast (Continuous cut)
Forming Ability Yes (Louvers, ribs, threads) No (Flat cutting only)
Tooling Requires standard or custom tools None
Cost Minimal cleaning required Lowest for complex outer shapes
Edge Quality Lowest for high hole-count parts Smooth, melted edge

Why Choose Us

The JUCHENG Punching Advantage
  • Extensive Tool Library: We maintain a vast inventory of standard punches (rounds, squares, obrounds) and special forming tools, saving you the cost and lead time of custom tooling.
  • Scratch-Free Processing: We use brush-table machines and floating clamps to protect the underside of cosmetic parts (like anodized aluminum) from scratches during movement.
  • Deburring Integration: Punched parts naturally have a small burr on the bottom. We automatically route parts through our TimeSaver wet sanding machine or tumbling barrels for safe, smooth edges.
  • Smart Nesting: We optimize sheet usage to get the maximum number of parts per sheet, reducing your material scrap rates.

Advantages

Benefits of Turret Punching Technology
  • Cost Efficiency: For parts with many holes (like a sieve or grille), punching is significantly cheaper than laser cutting.
  • Versatility: Combines cutting, forming, marking, and tapping in a single machine setup.
  • Consistency: Hard tooling ensures every hole is exactly the same size and shape, with zero thermal distortion.
  • Surface Preservation: Ideal for pre-painted or vinyl-clad materials, as there is no heat to burn the coating.

Industries Served

Industries Using Punched Metal Parts
  • HVAC: Ventilation louvers, air conditioning casings, ductwork flanges.
  • Electronics (IT): Server cabinets, patch panels with many connector cutouts, EMI shields.
  • Appliances: Washing machine drums, refrigerator back panels, microwave meshes.
  • Food Service: Perforated baking trays, draining racks, industrial strainers.
  • Automotive: Speaker grilles, heat shields with embossed rigidity ribs.
Jucheng Precision Factory
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    Factory Address :
    Shenzhen: Fourth Industrial Zone, Xisha Road, Shajing Street, Baoan District, Shenzhen.
    Dongguan: Building 5 and 4, No. 198, Chang'an Section, Guanchang Road, Chang'an Town, Dongguan.
     
    Sales Office: 
    unit 1, Enterprise City,Durham DL16 6JF, united Kindom
     
     
    +86 - 186 - 8005 - 3076

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