Pliage des métaux

Expert sheet metal bending solutions for high-quality prototypes and production components. From simple bends to complex formed parts, TOUWEI delivers precise sheet metal bending with rapid DFM review and exceptional turnaround times.

What is Metal Bending?

Metal bending is a core fabrication process that reshapes sheet metal into precise angles or curves by applying mechanical force. This technique is vital for producing strong, accurate, and functional components used across a wide range of industries.

At TUOWEI Precision, we specialize in high-quality sheet metal bending services designed to meet both simple and complex project requirements. Our advanced electric and hydraulic press brakes deliver superior accuracy, ensuring consistent results even for parts with tight tolerances.

Beyond bending, we provide comprehensive post-processing solutions, ensuring your components are not only precisely formed but also ready for immediate use, whether in prototypes or end-use products.

How Does Metal Bending Work?

Metal bending is a fundamental fabrication technique used to reshape sheet metal into a desired angle or form by applying force through a press brake or similar equipment. This process enables the creation of V-shapes, U-shapes, channels, and other precise geometries along a straight line in the material.

The bending operation involves placing sheet metal between a punch and die set. As the punch presses the metal into the die, the material conforms to the die’s shape. Critical factors such as bend angle, bend radius, and applied force determine the final geometry, while the material’s thickness and ductility influence the bending conditions. Importantly, bending alters the form of the sheet without significantly changing its thickness.

We utilize both manual setups and advanced CNC (Computer Numerical Control) systems. CNC bending technology ensures superior accuracy, repeatability, and the ability to create complex bends with minimal variation—ideal for both prototypes and high-volume production runs.

Metal Bending Capabilities

Tuowei provides precision metal bending services that combine advanced machinery and strict quality standards to handle a wide range of materials and part sizes. Our capabilities ensure accuracy, consistency, and efficiency for both prototypes and large-scale production.

Caractéristiques	Description
Taille maximale des pièces	1.5 m × 1.5 m
Metal Bending Forces	Up to 1000 tons
Bending Line Length	Up to 7200 mm
Bending Thickness	Up to 60 mm
General Tolerances	Based on ISO 2768. Bend to edge/hole, single surface: ±0.254 mm (±0.010 in.)
Bend Radius	Equal to material thickness
Angle de courbure	±1°
Bend Cutting Area	Up to 4000 mm
Délai d'exécution	5 days or more

Surface Finishes for Metal Bending

Surface finishes for metal bending parts enhance their strength, durability, and appearance, making them suitable for both functional and aesthetic applications.

Tel que broyé

Finition standard avec marques d'outils visibles ; rugosité de surface ~125 µin Ra, idéale pour les applications fonctionnelles où une finition lisse n'est pas essentielle.

Sablage de perles

Un processus qui crée une finition lisse et mate en propulsant des médias (comme des billes de verre) à la surface, améliorant la texture et fournissant une surface esthétiquement agréable et uniforme.

Revêtement par poudre

Cette finition durable offre une excellente résistance à l'usure, à la corrosion et à l'exposition aux UV.

Brossage

Une texture de grain linéaire et uniforme est appliquée aux pièces, créant une finition satinée.

Polissage

Permet d'obtenir une surface très brillante, semblable à un miroir, qui améliore la qualité visuelle de la pièce.

Oxyde noir

Idéale pour les composants en acier, cette finition sombre et mate offre une légère résistance à la corrosion tout en conservant un aspect de haute qualité.

Avantages

Advantages of Bending Manufacturing

Metal bending manufacturing offers significant benefits, making it a critical process across multiple industries.

Cost Efficiency: Bending reduces the need for multiple parts and welding, lowering both labor and material costs. By forming components into single, it simplifies assembly and reduces overall project expenses.
Enhanced Strength: Bending increases the strength along the bend, producing durable parts capable of handling greater loads. This reinforcement allows for lighter and thinner designs without sacrificing structural integrity.
Precision and Flexibility: Advanced CNC bending ensures high precision, allowing each part to meet exact specifications. The ability to bend various metals, including aluminum, steel, and copper.
Aesthetic Improvement: Bending produces attractive lines and curves that enhance the visual appeal of finished parts. This is especially important for visible components like fixtures, furniture, and architectural elements.
Rapid Production: CNC bending speeds up production cycles, enabling faster turnaround from design to finished part. This makes it ideal for industries that require quick responses to market demands.

Applications

Applications of Bent Metal Parts

Bent metal components are versatile, transforming flat sheets into functional and durable parts suitable for a wide range of uses.

Enclosures and Casings: Custom bent enclosures protect electronics and industrial machinery while maintaining accessibility and aesthetic appeal.
Brackets and Mounts:Precision bending creates sturdy brackets and mounts for commercial and residential applications, ensuring secure support.
Panels and Doors: From decorative architectural panels to functional doors and barriers, bent metal allows for exact customization to meet design requirements.
Frames and Beams: Structural frames and beams gain rigidity and strength through bending, supporting construction projects and automotive frameworks.
Géométries complexes : CNC bending enables the creation of intricate components with complex shapes, supporting modern designs that demand high precision and unique forms.

Construisons ensemble l'avenir

Partenaire de TUOWEI pour donner forme à votre vision

Depuis l'ère du prototypage rapide jusqu'à la production évolutive, Tuowei Precision vous aide à mener à bien votre projet grâce à la fiabilité de ses services d'usinage et de fabrication CNC. Notre équipe collabore avec vous pour garantir la précision, la cohérence et la fluidité de l'exécution à tous les niveaux.

Commencez votre projet dès maintenant et faites le premier pas vers une fabrication efficace et de haute qualité avec Tuowei.

Prenez contact avec nous !

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Which Types of Metal Bending Are Common in Manufacturing?

Metal bending uses specialized techniques to shape metal with precision, meeting diverse manufacturing needs across industries.

Air Bending

Air bending is the most common method, where the punch presses the metal into a die without fully contacting the bottom. This creates flexibility in producing multiple angles with the same tooling. It requires less force than other methods, making it cost-efficient.

Best For: Versatile sheet metal projects with varied bend angles.

Bottoming (V-Bending)

In bottoming, the punch forces the metal to fully contact the bottom of the V-shaped die, resulting in high accuracy and reduced springback. However, it needs specific tooling for each angle, which can increase costs.

Best For: High-precision components requiring consistent angles.

Coining

Coining uses extreme pressure to stamp the bend angle into the metal, eliminating springback almost entirely. This method delivers exceptional accuracy but demands high-tonnage machines.

Best For: Aerospace and medical parts with critical tolerances.

Roll Bending

Roll bending shapes metal into large-radius curves or cylinders using a series of rollers. It is ideal for producing structural beams, enclosures, or curved panels.

Best For: Large-radius bends in sheet or plate metal.

Rotary Draw Bending

This technique bends metal, especially tubes and pipes, by drawing it around a fixed-radius die while maintaining dimensional accuracy. It’s widely used in the automotive and HVAC industries.

Best For: Tubular components with precise and repeatable curves.

Wipe Bending

Wipe bending involves clamping the sheet and bending it over a shaped edge, making it excellent for creating flanges and intricate profiles quickly.

Best For: Appliance panels and sheet profiles requiring speed and consistency.

How to Ensure High-Quality Metal Bending Results?

Getting flawless bends requires more than just the right tools is about technique, precision, and experience. Here’re some proven tips and tricks to achieve precise, consistent, and high-quality results in every metal bending project.

Select the Right Tooling

Choosing tooling that matches the metal type and thickness is the first step to precision. The wrong die or punch can cause deformation, poor angles, or uneven bends.

Perform Accurate Calculations

Correctly calculating bend allowance and bend deduction ensures the final part dimensions meet design requirements. Small calculation errors can lead to costly rework.

Leverage CNC Automation

CNC bending machines improve repeatability and reduce human error, especially in large production runs. Adjusting for springback during setup also maintains precise angles.

Ensure Rigorous Quality Checks

Use angle gauges for quick verification during production and laser measurement systems for micron-level accuracy in critical parts. Regular checks prevent defects from reaching later stages.

Pro Tips & Tricks

Warm metal slightly to reduce cracking in tight bends.
Test bends on scrap pieces before starting a full run.
Apply protective films to avoid surface scratches on finished parts.

Solutions de Tuowei Proto

Qu'il s'agisse de créer un petit lot de pièces personnalisées ou de passer à une production en grande série, les services Proto de Tuowei offrent la flexibilité dont vous avez besoin.

Prototypage rapide

L'usinage rapide de prototypes CNC est idéal pour créer des prototypes d'ingénierie ou de production dont l'apparence et les fonctionnalités sont très proches du produit final. Chez Tuowei, nous proposons des devis instantanés et des livraisons rapides, afin de vous fournir des prototypes CNC précis et de grande qualité, adaptés à vos besoins.

Fabrication à faible volume

L'usinage CNC en petite série sert souvent de pont entre le prototypage et la production de masse pour les productions nouvelles et émergentes. Avec Tuowei, ce processus devient plus facile, plus efficace et plus rentable, ce qui vous permet d'augmenter rapidement votre production tout en maintenant des normes de haute qualité.

Utilisation finale Production

L'usinage de production à commande numérique est la meilleure solution pour produire efficacement un millier de pièces ou plus. En s'appuyant sur une sélection variée de matériaux et sur des capacités d'automatisation et d'usinage multi-axes, Tuowei assure une production en grande série avec des tolérances serrées, une précision dimensionnelle supérieure, une grande fiabilité et des délais d'exécution rapides.

Explorer les idées et l'innovation

Tenez-vous au courant de l'usinage CNC réel, des tendances de l'industrie et des perspectives de production de Tuowei Precision, qui est installé pour vous permettre de prendre de meilleures décisions en matière de production.