Custom Sheet Metal Bending Services
BaoSheng provides high-quality metal bending for both prototypes and mass-produced parts. Get free sheet metal quotes and DFM reviews within 1 day, with fast turnaround times as short as 3–5 days.
- 20+metals and plastics ,10+ surfaces finishes
- Precision quality with 3-day lead time.
- Tolerance as tight as ±0.01 mm
- OEM & ODM Supported
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What is Metal Bending?
Metal bending is a key sheet metal fabrication process that deforms metal into precise angles or shapes using mechanical force. It is essential for producing durable, functional parts with accurate curves and bends across industries like automotive, electronics, and machinery.
At BaoSheng, our sheet metal bending services cater to both simple and complex designs. Using advanced CNC electric and hydraulic press brakes, we achieve precision bending even for parts with tight tolerances. you can upload your 3D CAD files and receive an instant estimate, streamlining the process from design to production.
Beyond bending, BaoSheng offers a wide range of post-processing options, delivering fully finished parts ready for prototypes or final applications. With our expertise and efficient workflows, you get high-quality custom bent parts quickly and reliably.
How does Metal Bending Work？
Metal bending is a key part of making things out of metal. It involves using machines like press brakes to shape metal into the exact shape you want. This process allows you to make V, U, or channel shapes along straight lines, making it ideal for producing durable and functional components.
The process involves placing sheet metal between a punch and die. The punch presses the metal into the die to achieve the desired bend angle, radius, and shape. The thickness and flexibility of the material, as well as the amount of pressure applied, determine the best conditions for bending while keeping the dimensions accurate.
BaoSheng offers both manual and advanced CNC bending services, ensuring high precision, repeatability, and fast production cycles. CNC systems can make complex bends and lots of parts to sell, with consistent quality every time. This is good for small parts like brackets or large parts for buildings. We are experts in bending sheet metal, so you can design custom parts that are efficient, reliable and precise.
1/Fast Lead Time
BaoSheng’s CNC bending equipment and efficient workflows enable rapid production of custom bent parts with exceptional precision.
2/High Quality Parts
Our experienced engineers use advanced metal bending technology and strict quality control to ensure every bent part meets the highest standards.
3/Engineering Support
Our experts assist with material selection and bending methods, ensuring your project achieves the best possible results every time.
Start your metal bending project
Let our engineers optimize designs and deliver high-precision parts.
Metal Bending Materials
Select from a variety of sheet metal materials—including aluminum, stainless steel, and brass—each chosen for its unique properties to ensure the best fit for your project’s requirements and applications.
Aluminum
Lightweight and corrosion-resistant, aluminum is ideal for applications requiring a high strength-to-weight ratio. Its excellent machinability makes it a popular choice for sheet metal bending in aerospace, automotive, and industrial components. Common Aluminum Alloys: Aluminum 5052 Aluminum 5083 Aluminum 6061
Brass
Brass is highly malleable, features a gold-like appearance, and is known for its excellent acoustic properties. It is commonly used in decorative elements, gears, and valves. Common Brass Alloys: Brass C27400 Brass C28000 Brass C36000
Copper
Copper is valued for its outstanding electrical and thermal conductivity and high ductility. These properties make it an ideal material for electrical components, roofing, plumbing, and industrial applications. Common Copper Alloys: Copper C101 (T2) Copper C103 (T1) Copper C103 (TU2) Copper C110 (TU0)
Steel
Steel is known for its exceptional strength and durability, making it a core material in construction, heavy equipment, and industrial applications. Through alloying, steel can achieve enhanced hardness, strength, and corrosion resistance to meet diverse performance requirements.
Alloys
Steel 4130 (Chromoly)
Steel A513 Type 5,DOM
Steel A513 Type 1.HREW
Steel A513 Type 2.CREW
Steel 1020
Stainless Steel
Stainless steel is widely valued for its excellent corrosion resistance, strength, and ease of cleaning. Its ability to maintain an attractive finish makes it ideal for medical devices, food processing equipment, and marine applications.
Alloys
Stainless Steel 304
Stainless Steel 316
Sheet Metal Bending Capabilities
| Feature | Description |
|---|---|
| Blank Size | 5′ × 10′ (1.52 × 3.05 m); larger sizes available on request |
| Lead Time | 3 business days |
| Sheet Thickness | 0.024″–0.250″; custom gauges available |
| Tolerances | Refer to sheet metal manufacturing standards |
| Hydraulic Braking | Up to 14′ length |
| Magnetic Braking | 6-ton magnetic pull; 5/8″ min. reverse bend |
| Punching | Up to 2″ diameter; larger on request |
| Welding | Edges, seams, weldments, and assemblies |
1. Sheet Metal Part Dimensions
Max Part Size: 47″ × 119″ (1,193.8 × 3,022.6 mm)
Max Bend Length: 10′ (3.048 m)
Min Flat Part Size: 0.5″ × 0.5″ (12.7 × 12.7 mm)
Min Formed Part Size: 1.5″ × 1.5″ (38.1 × 38.1 mm)
Important Notes:
Ultra-high precision (e.g., ±0.005″) or extremely small parts require special process evaluation.
Actual tolerances may be affected by material, thickness, and bending method.
2. Reference Tolerances for Sheet Metal Fabrication
Bend Angle: ±2°
Offsets: ±0.024″ (0.608 mm)
Hole Diameter: ±0.010″ (0.254 mm)
Edge-to-Edge / Hole-to-Hole: ±0.010″ (0.254 mm)
Hardware-to-Edge / Hole: ±0.020″ (0.508 mm)
Hardware-to-Hardware: ±0.030″ (0.762 mm)
Bend-to-Edge: ±0.020″ (0.508 mm)
Bend-to-Hole / Hardware / Bend: ±0.030″ (0.762 mm)
Features Across ≥2 Bends: ±0.060″ (1.524 mm)
Metal Bending Workshop
Metal bending transforms flat sheets into accurate 3D shapes using controlled force and advanced machinery. Sheets are first prepared with laser cutting to ensure high precision before bending.
BaoSheng uses high-tonnage press brakes up to 200 tons, supporting material lengths up to 3,200 mm. Precision tooling with radii from R3 to R50 delivers tight tolerances of ±0.1 mm, ensuring consistent and accurate bends.
Our sheet metal bending services are ideal for machinery parts, enclosures, and custom components. Watch our facility video to see BaoSheng’s precision bending capabilities in action.
400+
Sets of Machine
120+
Countries Shipped
20000+
Customers Served
Advantages of Metal Bending Manufacturing
Metal bending manufacturing is widely used across industrial, commercial, and consumer applications due to its efficiency, strength, and design flexibility.
- Cost Efficiency：Metal bending reduces part count and welding requirements, lowering material waste, labor costs, and overall production expenses.
- Increased Strength：Bending enhances structural rigidity along the bend line, allowing for lightweight designs without compromising durability.
- High Precision & Flexibility：Advanced CNC metal bending ensures consistent accuracy and supports a wide range of materials, from aluminum to stainless steel.
- Clean Appearance：Smooth bends and sharp lines improve the visual quality of finished parts, ideal for both functional and decorative applications.
- Fast Production：Efficient CNC processes shorten lead times, enabling rapid turnaround for prototypes and mass production.
Applications of Bent Metal Parts
Bent metal parts are widely used across industries, providing strength, precision, and design flexibility for functional components.
- Enclosures & Casings: Protect electronics and machinery with durable, custom-fit designs.
- Brackets & Mounts: Secure components in industrial, commercial, and residential settings.
- Panels & Doors: Create functional or decorative panels and doors with precise dimensions.
- Frames & Beams: Provide strong structural support for construction and automotive projects.
- Complex Shapes: CNC bending allows intricate designs and high-precision custom parts.
FAQs
What is the tolerance of bent parts?
Bent part tolerance defines the allowable deviation from specified dimensions, ensuring proper fit and function. Standard sheet metal bending typically ranges from ±0.1 mm to ±0.5 mm, depending on material, thickness, and complexity.
Using advanced CNC bending, BaoSheng can achieve tighter tolerances of ±0.01 mm to ±0.1 mm for high-precision applications. We carefully select the bending method and tooling to ensure each part meets dimensional and performance requirements.
What’s the bending process?
One way to make metal parts is to bend it. This is done by putting flat sheets of metal in a press and using it to bend them into different shapes, like V-shapes, U-shapes, or channel shapes. You can do the process by hand or with CNC bending machines to make it more accurate and consistent.
When the sheet is bent, it is pressed between a punch and die to give it the right shape. The final shape is determined by the bend angle, radius, and applied force, while keeping the thickness of the material the same.
This method is used a lot to make strong, useful parts, from small brackets to large parts of buildings. CNC technology now allows for complex bends, tight tolerances, and faster production cycles, making it more flexible and efficient.
Which metal offers the highest resistance to bending?
Stainless steel is the most resistant to bending out of all the metals that are commonly used. This is because it is both highly tensile and hard. The chromium and nickel in the steel make it resistant to rust, and also make it stronger and more durable.
Shaping stainless steel requires specialised equipment and tools to avoid damage. This makes bending more difficult, but it makes sure that the parts are strong and will last a long time. Stainless steel is perfect for medical devices, food processing equipment, and anything to do with boats.
How do you ensure the quality of the bent parts?
At Baosheng, we ensure precision and consistency using advanced CNC bending technology. Each part undergoes rigorous multi-stage inspections to verify dimensions and alignment. By adhering to strict industry standards, we deliver durable, reliable bent parts ready for any application.
Can I request custom bend angles for my sheet metal parts?
Yes, Baosheng offers custom bend angles to match your project requirements. Our flexible bending solutions accommodate a wide range of angles and dimensions, ensuring each part meets your exact specifications.
What are the types of sheet metal bending?
Baosheng offers various sheet metal bending techniques to meet different project needs:
Air Bending: Punch does not touch the die bottom, allowing flexible bend angles.
Bottoming: Material is forced into the die for precise angles.
Coining: Compresses the metal for exact bends.
Roll Bending: Creates curves or circular shapes.
V-Bending: Uses a V-shaped die for efficient bending at multiple angles.
The method is chosen based on material type, thickness, and desired bend angle to achieve optimal results.
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