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Perforated board processing

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Perforated board processing

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Sheet Metal Processing

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Catalog

Material:	galvanized steel
Bottom plate thickness:	1.4mm
Hook line diameter:	0.6mm

Sleeve hanging plate

Small shelf support

Core Process Flow

-01

Demand analysis and design review

Confirm hole types (round/square/irregular), hole diameter, hole pitch, arrangement method (matrix/honeycomb/custom)

Evaluate plate thickness (usually 0.5-6mm) and material choice (aluminum/stainless steel/galvanized steel, etc.)

Provide DFM (Design for Manufacturability) suggestions to avoid design conflicts

-02

Precision cutting

Laser cutting

Applicable Scenarios

High precision complex patterns
Precision

±0.1mm
Features

No burrs, smooth hole edges

CNC punching

Applicable Scenarios

Large batch standard holes
Precision

±0.15mm
Features

High efficiency, cost-effective

Water jet cutting

Applicable Scenarios

Extra-thick plates (>10mm)
Precision

±0.2mm
Features

No thermal deformation

--Process Control--

·Hole pitch tolerance·
±0.1mm (precision grade) / ±0.3mm (standard grade)

·Burr height·
≤0.05mm (requires secondary deburring)

--Mold Selection--

·Standard round hole·
Use multi-station dies for simultaneous punching

·Irregular hole·
Custom tungsten carbide molds

-03

Punching

-04

Structural forming

Bending

Use CNC bending machine
Bending radius ≥ 1×plate thickness

Welding

For assembly-type perforated boards
Use micro-beam plasma welding to reduce thermal deformation

-05

Surface treatment

--Electrophoresis--

Full wrap rust prevention, suitable for outdoor equipment perforated board scenarios

--Spray Coating--

Matte texture, suitable for decorative panel scenarios

--Spray Painting--

Scratch-resistant/anti-aging, suitable for mechanical equipment shell scenarios

-06

Quality Inspection

Hole position inspection

Use CCD imaging measurement
(Full inspection or sampling inspection)

Go/No-Go gauge testing

Hole diameter tolerance
Control within ±0.05mm

Flatness inspection

Laser flatness meter measurement
Deformation ≤ 0.3mm/m²

Special Process Standards

Hole Design Rules

Parameter	Standard Value	Remark
Min Hole Diameter	≥ Thickness × 0.8	Prevent Punch Breakage
Edge Distance	≥ Thickness × 1.5	Avoid Edge Deformation
Hole Pitch	≥ Thickness × 2	Ensure Strength

Material Guide

Material	Recommended Thickness	Feature
Aluminum 5052	1.0-3.0mm	Lightweight Preferred
Stainless Steel 304	0.8-2.5mm	Lightweight Preferred
Galvanized Steel SECC	1.2-3.0mm	Cost-effective

Functional Enhancement

Rib Design

Add Ribs Between Holes
(Depth ≤ 0.3× Thickness)

Flanging

Flanged Hole Edge<br/>(Height ≤ 2mm)

Combined Process

Punch + Tapping in One Step
(M3-M8 Thread Holes)

Quality Assurance System

Inspection Equipment List

Coordinate Measuring Machine

(Hole Position Full-Size Inspection)

Roughness Tester

(Hole Wall Ra ≤ 3.2μm)

Salt Spray Test Chamber

(According to ASTM B117 Standard)

Scratch-Resistant PE Film Wrap

Corrugated Cardboard Spacer Protection

Wooden Box Reinforcement

(For Oversized Panels)

Packaging and Transport Standards

Application Scenarios

Note: Process parameters can be further refined according to specific application scenarios

Supports full-process service from design to mass production

Fast sample delivery within 24 hours (simple hole shapes)

Database contains 200+ standard solutions

RoHS/REACH compliance reports available

Heat Dissipation Plates, Shield Covers (Hole Diameter Φ1-Φ3mm)

Electronic Devices

Perforated Curtain Walls (Art Pattern Perforations)

Building Decoration

Filter Plates (Honeycomb Arrangement)

Industrial Equipment

Ventilation Panels for Storage Cabinets (Square Hole Array)

Furniture Items