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Home > Aluminum Plate CNC Flat Cutting & Sheet Metal Enclosure Fabrication

Aluminum Plate CNC Flat Cutting & Sheet Metal Enclosure Fabrication

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♪Electronic Parts
♫electronics panel cutting ♩aluminum nameplate
♪Heat Sink
♫aluminum heat sink CNC machining ♩base plate
♪Electrical Enclosure
♫electrical control cabinet ♩junction box enclosure
CNC flat cutting · Bending · Welding · Finishing — one complete solution ♪
♪ I. Aluminum Plate CNC Flat Cutting
1 Process Description

CNC flat cutting uses computer-controlled machine tools for high-precision 2D shape cutting on aluminum plates. Ideal for panels, base plates, heat sinks, nameplates, and structural components.

2 Applicable Materials
  • ♪ Aluminum alloys: 5052, 6061, 7075
  • ♫ Thickness: 0.5mm – 25mm
  • ♩ Material states: Annealed (O), half-hard (H32/H34), hard (H112)
3 Process Capabilities
Parameter Capability Range Notes
Cutting Accuracy ±0.05mm – ±0.10mm Standard ±0.10mm, precision up to ±0.05mm ♪
Max. Working Size 1500×3000mm Customizable ♫
Min. Hole Diameter ≥ material thickness Thinner plates allow smaller holes ♩
Min. Slot Width ≥1.0mm Tool diameter dependent 𝄞
Surface Roughness Ra1.6 – Ra3.2 Further finishing available (brushing/polishing) ♬
Max. Cutting Thickness 25mm (aluminum plate) Beyond requires special process ♪
4 Process Flow
Step Process Description
1 Drawing Receipt 2D/3D drawings (DXF/DWG/STEP) ♪
2 Programming & Nesting Tool paths, optimize nesting ♫
3 Material Preparation Specified grade/thickness, check flatness ♩
4 CNC Cutting Cutting fluid cooling to reduce deformation 𝄞
5 Deburring Manual or vibratory finishing ♬
6 Inspection Calipers/CMM, visual inspection ♪
7 Post-Processing (optional) Brushing, sandblasting, anodizing, painting ♫
♫ II. Sheet Metal Enclosure Fabrication
1 Process Description

Laser/punching blanking, CNC bending, welding and assembly to form 3D enclosures, cabinets and housings.

2 Applicable Materials
  • ♪ Cold-rolled steel: SPCC, SGCC (galvanized)
  • ♫ Stainless steel: SUS304, SUS316
  • ♩ Aluminum plate: 5052, 6061
  • 𝄞 Thickness: 0.8mm – 6.0mm
3 Process Capabilities
Parameter Capability Range Notes
Blanking Accuracy ±0.10mm Laser / CNC punch ♪
Bending Accuracy ±0.20° / ±0.15mm CNC press brake ♫
Welding Methods TIG / MIG / Spot welding Material dependent ♩
Max. Working Size 2000×4000mm Blanking equipment dependent 𝄞
Surface Finishing Spray painting / powder coating / black oxide / zinc plating / anodizing As required ♬
IP Protection Rating IP54 / IP65 / IP66 With proper sealing design ♪
4 Process Flow
Step Process Description
1 Drawing Flattening Flatten 3D → 2D blanking layout ♪
2 Blanking Laser / CNC punch, accuracy ±0.10mm ♫
3 Deburring Grind cutting edges ♩
4 Bending CNC press brake, angle control ±0.20° 𝄞
5 Welding (if applicable) TIG / MIG / spot welding ♬
6 Grinding Smooth weld seams ♪
7 Surface Finishing Painting / powder coating / anodizing / zinc plating ♫
8 Assembly (optional) Hinges, latches, PCBA, connectors ♩
9 Inspection Dimensional/visual/assembly/IP test 𝄞
5 Welding Process Highlights
  • ♪ Thin sheets (≤2mm): Spot/intermittent welding to reduce distortion
  • ♫ Medium-thick sheets (2-6mm): Continuous TIG welding for strength
  • ♩ Stainless steel / aluminum: TIG with appropriate filler wire
  • 𝄞 Distortion control: Fixtures + skip/symmetrical welding + post leveling
♩ III. Process Comparison
Aspect Aluminum CNC Flat Cutting Sheet Metal Enclosure
Product Form Flat parts — panels, base plates, heat sinks 3D enclosures, cabinets, housings
Primary Process CNC milling / cutting Blanking + bending + welding + assembly
Accuracy ±0.05mm – ±0.10mm ±0.10mm / ±0.20°
Material Aluminum alloys primarily SPCC, SUS, aluminum plate
Post-Processing Brushing / sandblasting / anodizing / painting Spray painting / powder coating / zinc plating
Application Electronic panels, heat sinks, precision parts Equipment housings, control cabinets, complete enclosures
$1 for a quote. Upload. Go. ♫