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Precision CNC Bending & Metal Forming Services
Laser cutting defines the outline, but Bending gives a part its form and function. It is the process of transforming flat sheet metal into complex three-dimensional geometries like enclosures, brackets, and channels. At JUCHENG, we treat metal forming as a science. We utilize advanced multi-axis CNC Press Brakes equipped with precision back-gauges to ensure that every bend line is located exactly where your CAD design specifies. Whether you need a simple 90° bracket or a complex multi-bend chassis with tight internal radii, our skilled operators manage material spring-back and bend allowances to deliver parts that fit perfectly in your final assembly.
Bending Service

JUCHENG’s Press Brake Capabilities

Our bending department is equipped to handle a vast range of part sizes and complexities:
  • Multi-Axis Precision: Our CNC press brakes feature up to 7 axes of control, allowing us to bend complex, non-parallel shapes and deep boxes without collision.
  • Tonnage Range: From 35 tons for delicate electronic contacts to 200+ tons for bending heavy-gauge structural steel brackets (up to 10mm thick).
  • Tooling Library: We maintain a massive inventory of standard punches and dies (V-dies, Gooseneck, Acute angle), minimizing the need for custom tooling charges for most projects.
  • Cosmetic Bending: For visible parts (like brushed stainless or anodized aluminum), we use urethane die films or specialized nylon tools to prevent "die marks" or scratches during the forming process.
  • Accuracy: We hold bend angle tolerances of ±0.5° and flange length tolerances of ±0.1mm.
bending stainless steel sheet

Product Gallery Categories

Electronic Enclosures (Box Bending)
Electronic Enclosures
Heavy Structural Brackets
Structural Brackets
Complex Multi-Bend Parts
Complex Multi-Bend
Hemming & Safety Edges
Hemming Edges
Large Radius (Bump) Bending
Bump Bending

Materials Available

Forming Characteristics by Material
Different metals react differently to stress. We adjust our process based on the material properties:
Material Class Bending Considerations JUCHENG Expertise
Aluminum (5052) Excellent formability. We bend tight radii without cracking.
Aluminum (6061-T6) Brittle; prone to cracking. We use larger bend radii and bend across the grain to prevent failure.
Stainless Steel (304/316) High "Spring-back" (material tries to return to flat). Our CNC machines automatically over-bend to compensate for spring-back.
Carbon Steel (SPCC/Q235) Predictable and consistent. Ideal for high-volume brackets and structural frames.
Copper & Brass Very soft (Copper) or springy (Brass). We use non-marring tools to protect the soft surface finish.

Comparison

Comparison: CNC Bending vs. Stamping vs. Welding
How should you make your 3D metal shape?
Feature CNC Bending (Brake Press) Metal Stamping Welding Assembly
Process Folding a single sheet. Forming via custom die. Joining separate pieces.
Tooling Cost Low / Zero (Standard tools). High (Custom molds). Low (Fixtures only).
Setup Time Fast (Minutes). Slow (Days/Weeks). Medium.
Ideal Volume 1 - 5,000 units. 10,000+ units. Low volume / Complex shapes.
Strength High (Continuous grain). High. Medium (Depends on weld).
Flexibility High (Easy design changes). Low (Hard to change die). High.

Why Choose Us

Why Trust JUCHENG for Metal Forming?
  • Engineering Support: Our engineers verify your 3D CAD files and calculate the correct K-Factor and Bend Allowance before cutting, ensuring the flat pattern unfolds correctly to meet your final dimensions.
  • Scratch-Free Promise: We understand cosmetic requirements. We take extra precautions to ensure your pre-finished or polished parts leave the press brake without tooling marks.
  • Complex Sequences: We utilize sophisticated offline programming software to simulate the bending sequence, preventing collisions and ensuring manufacturability for complex geometries.
  • One-Stop Shop: We cut, bend, insert fasteners (PEM), weld, and powder coat all under one roof, simplifying your supply chain.

Advantages

Benefits of CNC Press Brake Forming
  • Structural Integrity: Bending a single sheet is stronger than welding two pieces together, as the material grain remains continuous.
  • Cost Efficiency: No expensive hard tooling is required, making it the most economical choice for prototypes and small batches.
  • Aesthetics: Creates smooth, rounded corners (radius) which are more visually appealing and safer than sharp welded corners.
  • Versatility: Capable of producing everything from tiny electrical contacts to 3-meter long architectural panels.

Industries Served

Industries Relying on Bent Metal Parts
  • Electronics: Server rack chassis, power supply covers, PCB shielding cans.
  • Automotive: Structural brackets, seat mechanisms, battery enclosure frames.
  • Medical: Cart trays, equipment housings, stainless steel cabinetry.
  • Construction: Z-channels, hat channels, flashing, custom architectural trim.
  • Furniture: Metal table legs, shelf brackets, office furniture components.
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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    CNC Machining
     
     
    Jucheng Precision ISO 9001, ISO 14001, ISO 13485, IATF 16949

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