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.
Product Gallery Categories
Electronic Enclosures (Box Bending)
Heavy Structural Brackets
Complex Multi-Bend Parts
Hemming & Safety Edges
Large Radius (Bump) Bending
Materials Available
Forming Characteristics by Material
Different metals react differently to stress. We adjust our process based on the material properties:
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?
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.
Request Your DFM & Quote – Upload Your Drawings
ㆍFill in your requirements and upload your 2D&3D file, we will feedback your project quotation and DFM within 24 hours.ㆍFile types: STEP, STP, IGES, IGS, SLDPRT, 3DM, SAT or X_T files File size: < 128 MB Part size: < 1500*1500*1500 mm
ㆍPrivacy: We respect your privacy. Here you can find an example of a non-disclosure agreement. By submitting this form, you agree to our terms & conditions and privacy policy.
ㆍPrivacy: We respect your privacy. Here you can find an example of a non-disclosure agreement. By submitting this form, you agree to our terms & conditions and privacy policy.
