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Custom Sheet Metal Fabrication: A Comprehensive Guide to Assembling Your Vision

Sheet metal fabrication is a versatile and essential process in the manufacturing industry. It involves shaping and joining metal sheets to create various products, components, and structures. As demand for custom sheet metal fabrication increases, so does the need for skilled professionals and innovative techniques. In this comprehensive guide, we will explore the various aspects of custom sheet metal fabrication assembly, from the materials used to the techniques and tools required to bring your vision to life.

Choosing the Right Material

The first step in custom sheet metal fabrication is selecting the appropriate material for your project. There are several factors to consider when choosing the right metal, including strength, weight, corrosion resistance, and cost. Some of the most common materials used in sheet metal fabrication include:

Aluminum:Lightweight, corrosion-resistant, and easy to work with, aluminum is ideal for applications that require a balance of strength and weight.

Stainless steel:Known for its durability and resistance to corrosion, stainless steel is a popular choice for applications in harsh environments or where sanitation is essential.

Copper:With its high conductivity and natural resistance to corrosion, copper is an excellent choice for electrical components and heat exchangers.

Brass:Combining the properties of copper and zinc, brass offers a unique combination of strength, corrosion resistance, and aesthetic appeal.

Mild steel:An affordable and versatile option, mild steel is easy to work with and suitable for a wide range of applications.

Designing Your Custom Sheet Metal Assembly

Once you've chosen the right material for your project, the next step is to design your custom sheet metal assembly. This process typically involves creating a detailed blueprint or 3D model of your desired product, including dimensions, tolerances, and specifications for each component. Computer-aided design (CAD) software is commonly used to create these designs, allowing for precise measurements and easy adjustments.

When designing your custom sheet metal assembly, it's essential to consider factors such as:

Tolerances:Ensuring that your design accounts for the natural variations in material and manufacturing processes is crucial to achieving a successful final product.

Material thickness:The thickness of the sheet metal you choose will have a significant impact on the strength, weight, and overall performance of your assembly.

Bend radius:When bending sheet metal, it's essential to account for the minimum bend radius to avoid cracking or deformation.

Fastening methods:Your design should specify the appropriate fastening methods, such as welding, riveting, or using mechanical fasteners, to ensure a secure and durable assembly.

Fabrication Techniques

There are several techniques used in custom sheet metal fabrication, each with its own advantages and applications. Some of the most common techniques include:

Cutting:Cutting is the process of separating the sheet metal into the desired shapes and sizes. This can be accomplished using various methods, such as shearing, laser cutting, plasma cutting, or waterjet cutting.

Bending:Bending involves shaping the sheet metal by applying force along a specific axis. This can be done using press brakes, roll forming, or other specialized equipment.

Punching:Punching is the process of creating holes or openings in the sheet metal using a punch and die. This can be done using manual or CNC punching machines.

Welding:Welding is the process of joining two pieces of metal by melting their edges and fusing them together. Common welding techniques used in sheet metal fabrication include MIG, TIG, and spot welding.

Finishing:After the fabrication process is complete, the sheet metal assembly may require finishing to improve its appearance, protect it from corrosion, or enhance its functionality. Common finishing techniques include painting, powder coating, and plating.

Tools and Equipment

Custom sheet metal fabrication requires a variety of specialized tools and equipment to achieve precise and high-quality results. Some of the most common tools used in the fabrication process include:

Shears:Shears are used to cut sheet metal to the desired size and shape. They can be manual, hydraulic, or pneumatic, depending on the material and thickness.

Press brakes:Press brakes are used to bend sheet metal along a specific axis. They can be manual or CNC-controlled for increased precision and repeatability.

Punching machines:Punching machines are used to create holes or openings in sheet metal using a punch and die. They can be manual or CNC-controlled for increased precision and repeatability.

Welding equipment:Welding equipment, such as MIG and TIG welders, is used to join pieces of metal together during the fabrication process.

Finishing equipment:Finishing equipment, such as paint booths and powder coating systems, is used to apply protective coatings and improve the appearance of sheet metal assemblies.

In conclusion, custom sheet metal fabrication is a complex and versatile process that requires careful planning, skilled professionals, and specialized equipment. By understanding the various aspects of sheet metal fabrication assembly, you can bring your vision to life and create high-quality, durable products that meet your unique needs and specifications.

custom sheet metal fabrication assembly

What is Sheet Metal Fabrication

Sheet Metal Fabrication is the process of forming metal sheets into structures or parts using various techniques such as cutting, bending, and welding.

This process commonly use for products such as car parts, building materials, and household appliances.

The sheet metal is often cut to size and holes using a shearing machine or laser cutter, and then bent into shape. Once the parts formed, they are typically welded, riveted, or fastened together to create the final product.

Sheet Metal Fabrication Service

Asianstar Professional Sheet Metal Fabrication

Sheet Metal Fabrication Service

Asianstar Company Sheet Metal Fabrication provides a range of services to clients.

We have machines involves Cutting, Bending, Punching, Drilling, Welding and Forming, we also have hand-tool to make samples of sheet metal fabrication samples in rapid reaction.

With our skillful engineers and tools, we are able to provide complicated structure sheet metal components, and then apply surface finishing treatment on components and support clients to assemble the final products.

For huge quantities sheet metal fabrication demands, we use our own CNC Machines to open tooling or mold for sheet parts, with our in-house facilities supporting, we can carry perfect result on the structure and productivity.

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.


Multiple Machining Processes

Multiple Machining Processes

Asianstar has various machining processes to support different types of components from client, we can choose the best suitable manufacturing solution to carry result in perfect performance and cheap cost

Flexible Custom Service

Flexible Custom Service

With skillful machining technologies, Asianstar is flexible to support clients on different materials and different structures of the components, we also flexible on the components quantities and even assembly

Create Designing for Clients

Create Designing for Clients

Not only producing according to clients drawings, Asianstar also propose the better designing to clients, supporting clients to buildup improved designing or even new generation components

Standard Procedures

Standard Procedures

Asianstar production, as experienced by many years, is strictly following internal Standard Operating Procedures, to make sure the production schedule is smooth and plans are well carried out well without accidents

Standard Procedures

Standard Procedures

Asianstar strictly controlling product quality by system. We start QC controlling from production plan once setting up, to production process by monitoring QC checking and until the final Inspection before packing

Fast Lead-Time Delivery

Fast Lead-Time Delivery

Asianstar strictly control the production processes, teams keep the plan moving ahead according to the procedures, we have internal time management schedule which mostly bring earlier lead-time of delivery


CNC Turning Service

CNC Turning Service

Our CNC Turning Service provides different sizes of roll shape work-pieces, the diameter range is from 0.5mm to 480mm, reaching tolerance +/-0.003mm.

CNC Milling Service

CNC Milling Service

Our milling machines and CNC centers are able to produce complicated structure part, five-axis devices produce multi-sides at one-time jag which bring high precision result

Sheet Metal Fabrication

Sheet Metal Fabrication

Our Sheet Metal Fabrication provides slicing, punching, bending, welding, painting and assembling for set products, unique tooling for each project to raise production efficiency

Aluminum Extrusion

Aluminum Extrusion

Our Aluminum Extrusion brings clients various shapes of aluminum parts, high efficiency for mass quantity, our precision extrusion mold control tolerance within 0.01mm

Forging Service

Forging Service

For some steel serious products, we apply Forging Service to make out their outer shape and them use CNC devices to start drilling, forming, rolling, cutting, etc.

Finishing Service

Finishing Service

Our Surface Finishing Service uses chemical or electro post-treatments after machining tasks are finished, normally includes Oxide, Anodizing, Passivation, E-Plating, Painting,etc.


  • Q1.Do you support ODM/OEM?

    Yes, we support ODM/OEM, we provide custom-made service for clients or even support clients on designing or improving

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