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Sheet Metal Fabrication Service

Precision Sheet Metal Fabrication Process

How We Build Durable Library Book Return Cabinets

Sheet metal press brake forming book return cabinet parts

🔧 5-Step Manufacturing Workflow
1️⃣ Laser Cutting
Equipment: 6kW Trumpf TruLaser 5030
Tolerance: ±0.1mm (for perfect hinge alignment)
Material: 304/430 stainless steel (1.0-2.0mm thickness)
Why it matters: Clean edges prevent book/jacket snags


2️⃣ Press Brake Forming
Amada HG-1003

Flat blank

90° main chassis

Hemming edges

Stress test @ 50,000 cycles

Key Bend: 85° gradient return chute (avoids book jams)
Tooling: Custom radius punches (R2-R5mm available)


3️⃣ Welding & Assembly
Method: Spot welding + argon TIG for visible seams
Quality Control:
3D scanning vs CAD model (Deviation <0.3mm)
Salt spray test passes 96hrs (ASTM B117)


4️⃣ Surface Treatment
Process Library Equipment Benefit
Electropolishing Fingerprint-resistant for high-touch areas
Powder Coating RAL colors match school/university branding
Screen Printing Wear-resistant instruction labels
5️⃣ Smart Integration
Sheet Metal Enclosure

RFID reader cutout

Embedded cable channels

Waterproof gland installation

EMI shielding: Prevents scanner interference from metal walls
⚙️ Advanced Capabilities
Prototyping: 3-day turnaround for form/fit checks
Value Engineering:
Suggested redesign: Replace 4 welded brackets with 1 folded tab (saves ¥23/unit)
Compliance: Meets ANSI/NISO Z39.83 for library hardware
📹 See It in Action
▶️ Video: Watch our automated cell form a book drop chassis in 38 seconds

For Procurement Teams:

✅ BOM transparency: Receive full material certs (SGS reports)

✅ DFA-ready: Provide your CAD for manufacturability analysis

✅ Global logistics: FOB Ningbao / EXW Shenzhen options

Our ordering process

Contact Us Upload CAD file
Determine Details And Quote
Manufacturing
Quality control
Delivery

More resources for sheet metal fabrication

Learn more about how sheet metal fabrication works and how to design the best parts for this technology.

FAQ's about sheet metal fabrication service

There are many types of materials available for sheet metal customization: cold rolled sheet (SPCC), hot rolled sheet (SPHC), electro-galvanized sheet (SECC), hot dip galvanized sheet (SGCC), stainless steel: such as SUS301 and SUS304, copper and copper alloys, aluminum and aluminum alloys: such as 6061, 6063 aluminum alloys, and other materials: including tinplate (SPTE).
We can also source many custom materials on request. Contact Violet@fuleimetal.com to discuss the options.

We provide the following processing services:
1. **Drawing design**.
2. **Laser cutting**, processing accuracy can reach ±0.1mm.
3. **Bending**.
4. **Forming**: Other forming processes besides bending, such as using molds on ordinary punching machines or other equipment to deform the workpiece, including stretching, rib pressing, convex bulge, etc.
5. **Welding forming: Commonly used welding methods include argon arc welding, butt welding, carbon dioxide welding, etc. The welding gap is generally 0.5-0.8mm, and the weld is uniform and smooth.
6. **Surface treatment**: electrostatic powder spraying, liquid paint, electroplating, surface oxidation, surface brushing
7. **Assembly**: Screws, rivets and other connection methods may be used.
8. **Packaging and shipment**.

To ensure the quality of sheet metal parts, we strictly implement the process flow, establish a quality management system, and strengthen quality inspection: full inspection of the first piece, including inspection of the size, expansion, etc., sampling inspection of finished products, and comprehensive inspection of the appearance. If unqualified, timely adjustment and re-inspection.

The lead time for sheet metal fabrication projects varies based on multiple factors, such as project complexity, material availability, production capacity, and manufacturing processes.
In general, simple sheet metal fabrication projects may have a lead time of a few days to a week or so. Complex projects or those with special requirements can take two to four weeks or even longer. Prototype projects usually take 2-5 days if in-stock materials are used.

Put your parts into production today

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