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Serviços personalizados de dobragem de chapa metálica

Obtain high-accuracy metal bending of prototype and production components, designed to specifications of exact dimensions and angles. Fast lead times, tight tolerances, flexible material choices and post-bending surface finishing are provided to us in order to guarantee production-ready parts.

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Peças metálicas maquinadas com precisão para aplicações de engenharia.

Dê vida às suas ideias de produtos de forma rápida e precisa com os nossos serviços especializados de criação de protótipos.

Metal Bending Capabilities at Lewei Precision

Lewei Precision offers advanced metal bending services designed for accuracy, consistency, and repeatability. Using modern CNC bending technology, we produce high-quality bent metal parts that meet exact angle, tolerance, and functional requirements for both prototype and production needs.

Black plastic automotive engine cover component
CNC Press Brake Bending

Precision CNC press brakes ensure accurate bend angles and consistent results across single parts and full production runs.

Black plastic automotive bracket on white background.
Air Bending

A flexible metal bending method that allows multiple bend angles with minimal tooling, ideal for custom and low-volume parts.

3D printed engine block model on display
Bottoming & Coining

Delivers higher bend accuracy and repeatability for parts that require tight tolerances and precise angle control.

3D printed engine block model on display
Multi-Bend & Complex Geometry Bending

Capable of producing parts with multiple bends, offset bends, tight radii, and complex sheet metal shapes.

Why Choose Lewei Precision for Metal Bending Services

Lewei Precision has some of the best metal bending services, which are offered to ensure accuracy, speed, and consistency. In prototypes to production run, we use a combination of cutting-edge CNC bending technology and engineering skills to create high-quality bended metal components of any size and that of exact specifications and industry standards.

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Precisão inigualável

CNC press braze bending can achieve tight tolerances within a range of ±0.005, giving consistent part geometry and accurate angles.

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Prazo de entrega rápido

Fast-turn metal bending solutions characterized by standard delivery within 3-7 business days of prototypes and production parts.

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Apoio à engenharia

DFM is guided by experienced engineers who offer springback control and cost-effective bending by optimization of design.

O que é Dobragem de metais?

Precisão Lewei

Metal bending is a fabrication process of sheet metal whereby metal is manipulated by pressurizing it to reach the desired angles and shapes. The process plays a critical role in the manufacturing of robust and durable components that are correctly shaped and applied to various industries including aerospace, automotive, medical and industrial production.

In Lewei Precision, we do metal bending with simple and complex design with sophisticated CNC press brakes. Our bent metal is always accurate in its bends, has tight tolerances, and is dependable in quality to use in prototypes; it can also be used in full scale.

Dobragem de chapas metálicas com máquina industrial.

Como funciona a dobragem de metais?

A dobragem de metal é um método crucial no fabrico de metal que envolve a deformação do metal numa forma desejada através da aplicação de força, normalmente utilizando uma prensa dobradeira ou uma máquina semelhante. Este processo permite uma conformação precisa ao longo de uma linha reta para criar formas como V, U ou curvas de canal em chapa metálica. A técnica pode variar entre métodos manuais e sistemas CNC (Controlo Numérico Computadorizado) avançados, que oferecem maior precisão e repetibilidade. 

Esta técnica de dobragem de metais é amplamente utilizada para produzir peças fortes e funcionais de forma eficiente. É normalmente utilizada para criar componentes que vão desde pequenos suportes a grandes elementos arquitectónicos. Com a evolução da tecnologia CNC, as tarefas de dobragem complexas e altamente precisas são agora mais viáveis, oferecendo uma maior flexibilidade de design e ciclos de produção mais rápidos. Os sistemas CNC são especialmente benéficos para a produção em massa, proporcionando uma variação mínima e garantindo uma qualidade consistente em grandes lotes.

Operador de máquina de dobragem de chapa
Materiais

Materiais para dobragem de metais

Oferecemos uma variedade de materiais de chapa metálica, incluindo alumínio, aço inoxidável e latão. Cada material é selecionado pelas suas propriedades únicas, o que nos permite recomendar a melhor opção para os requisitos e aplicações específicos do seu projeto.

Plásticos

Componente mecânico branco sobre fundo preto

Highly formable material with consistent bending behavior for structural and industrial parts.

Grades
CRCA
HR
IS 2062
ASTM A36

Peça de motor automóvel preta sobre fundo branco

Strong and corrosion-resistant material requiring controlled bend radius.

Grades
304
304L
316
316L
430

Componente do motor transparente numa superfície reflectora

Lightweight material with good formability for enclosures and panels.

Grades
5052
3003
6061

Dois suportes de parede pretos com recortes.

Zinc-coated steel suitable for bending with proper tooling to protect coating.

Grades
GI
DX51D
DX52D

Peça industrial de plástico azul com vários orifícios

Ductile metal with excellent bendability for electrical and decorative parts.

Grades
C110
C122

Suporte de metal preto com dois orifícios circulares.

Formable material used for precision and decorative bent components.

Grades
C260
C280

Surface Finishes for Metal Bending Services

We can offer our customers bending of metal and various finishes on the post-bending surface to make it durable, resistant to corrosion, and appealing. The use of these finishes is done following bending so that the functional and aesthetic needs of the industrial and commercial uses of the bent metal parts are satisfied.

Revestimento em pó
Peça metálica maquinada com precisão com vários recortes e orifícios.

Durable, high-performance finish that prevents corrosion in bent metal components and maintains consistent color and surface coverage, suitable to exteriors and high usage.

Jateamento de esferas
Grande plano de um componente metálico industrial preto

Provides a smooth, matte finish that enhances the adhesion of coating and offers a uniform, professional polish on bent metal surfaces.

Anodização
Grande plano de um objeto redondo de metal brilhante

A type of electrochemical finish, which enhances corrosion resistance and surface hardness, and also provides decorative colors to aluminum bent items.

Escovagem
Canto de placa de espuma texturizada cinzenta

Creates a uniform, linear texture that enhances appearance and minimizes visible scratches on cosmetic and visible metal components.

Polimento
Anel de metal prateado brilhante sobre fundo escuro.

Gives the appearance of a smooth mirror-like surface finish, usually on decorative, consumer-facing or high-visibility bent metal components.

Galvanoplastia
Grande plano de um componente metálico brilhante

Applies a thin metal layer such as nickel or zinc to improve corrosion resistance, wear performance, and electrical conductivity of bent metal parts.

Metal Bending Services for Diverse Industries

O nosso metal bending services support a wide range of industries that demand precision, strength, and consistency. From tight-tolerance components to complex bent geometries, we deliver custom metal bending solutions tailored to each industry’s functional and performance requirements.

Aeroespacial
Automóvel
Automatização
Dispositivos médicos
Robótica
Produtos de consumo

Controlo de qualidade e testes certificados

In our metal bending services, quality control is a very strict process that involves all the bent metal parts to fit precisely to the dimension and functionality specifications. The individual components are checked with calibrated instruments and coordinate measuring machines (CMM) to ensure the accuracy of the bend angles, size and accuracy of the whole component. This guarantees quality in a prototype and production run even in a tight-tolerance application.

Bent metal components are all checked against GD&T specifications and also ISO and ASME standards to ensure that they meet design specifications. In case of projects that need surface finishes, further testing is used to evaluate the coating thickness, adhesion, and appearance which will ensure durability and similar quality of finish when bending.

We are fully traceable by offering full documentation with material certificates, inspection reports and quality records. This open practice helps customers to trust in the quality, consistency and certified quality of our metal bending services.

Capacidades de dobragem de metais

Especificação

Descrição

Tamanho máximo da peça

1,5 m x 1,5 m

Forças de flexão do metal

Até 1000 toneladas

Comprimento da linha de dobragem

Até 7200 mm

Espessura de dobragem

Até 60 mm

Tolerâncias gerais

As nossas normas de curvatura de metais seguem a norma ISO 2768.

Dobrar até à aresta/furo, superfície simples

+/- 0,254 mm (+/- 0,010 in.)

Raio de curvatura

Igual à espessura do material

Ângulo de curvatura

+/- 1°

Área de corte de dobra

Até 4000 mm

Prazo de execução

5 dias ou mais

 

Oficina de dobragem de metais

Precisão Lewei

A dobragem de metais transforma chapas planas em formas 3D através da aplicação de força de precisão, utilizando maquinaria avançada para criar dobras em ângulos designados. Antes da dobragem, as chapas planas são preparadas através de métodos de corte como o corte a laser, garantindo uma elevada precisão. Utilizamos equipamento de alta tonelagem, capaz de aplicar até 1000 toneladas de força, e podemos lidar com materiais com comprimentos até 7200 mm. Cada quinagem é executada através de um molde de precisão com uma gama de R3 a R50, garantindo um rigor com uma tolerância de maquinação de ± 0,1mm. 

Este processo é ideal para várias aplicações, incluindo componentes de máquinas, elementos arquitectónicos e designs personalizados. Os nossos serviços personalizados de dobragem de metal oferecem soluções à medida com elevada precisão e consistência.

Conjunto de máquinas
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Vantagens

Vantagens do fabrico de dobragem de metais

Metal bending is a highly effective manufacturing operation applied in various industries because of its accuracy, versatility and low cost. Metal bending services can assist manufacturers to obtain a dependable performance by bending metal sheets to the necessary angles and shapes, without removing any material, thus preserving their structural integrity.

Aplicações

Aplicações de peças metálicas dobradas

Metal bending services are popular to bend thin sheets of metal into strong and functional elements in industries, business, and consumer processes. The process ensures strength of the structure as well as flexibility in design thus is applicable in a wide variety of applications.

FAQs sobre maquinagem CNC

Metal bending services entail manipulation of flat metal sheets by means of controlled force to form desired angles and shapes. It is a very popular process to form brackets, enclosures, frames, and structural components without material loss.

Steel bending accommodates aluminum, stainless steel, carbon steel, copper, brass and custom chosen alloys. The choice of material is determined by strength, thickness, bend radius and usage.

With the right material, thickness and geometry of bending, CNC metal bending services can have tight tolerances up to a single micrometer (0.005). Prince press brakes provide stability and precision of bending.

Yes, metal bending services serve intricate geometries, such as multi-bend components, offsets, small radii, and custom angles of workable and final use parts.

The usual lead time of metal bending services is between 3 and 7 working days on a prototype and normal production parts depending on the difficulty and volume of orders.

Yes, surface finishes that include powder coating, anodizing, electroplating, polishing, and sand blasting are added after bending as a way of enhancing durability, corrosion resistance, and look.

The control of springback is by careful calculation of bends and CNC press brake controls, and the final bend angle is required to match the design specifications.

Metal bending services can be used with short-run prototyping, low batch sizes, and high-volume production, where it is necessary to be flexible but without expensive tooling.

The majority of metal bending operations will take in CAD files in STEP, STP, IGES, DXF, and DWG formats so that they can be quoted accurately and their manufacturability checked.

Aerospace, automotive, medical devices, robotics, automation, industrial equipment, and consumer products manufactures are some of the most common applications of metal bending.

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