跳至内容 
precision sheet metal
fabrication
Need custom-designed metal enclosures, racks, or chassis?
We specialize in sheet metal fabrication for prototypes and production runs.
Request a custom solution for your industry.
what is sheet metal?
Sheet metal refers to thin, flat pieces of metal that can be cut, shaped, and assembled into functional parts. From automotive frames to electronic enclosures, metal sheets are the backbone of modern manufacturing. The importance of sheet metal fabrication lies in its ability to provide strong yet lightweight structures at a competitive cost. With precision sheet metal fabrication, manufacturers can achieve tight tolerances, consistent quality, and superior product performance.
Core Processes of Sheet Metal Fabrication
Sheet metal fabrication involves several processes that transform a raw metal sheet into a finished product. These include cutting, bending, stamping, welding, and finishing. Each step requires technical expertise and modern equipment. By combining computer-aided design with advanced fabrication technologies, we ensure that every component meets exact specifications. Our ability to manage these processes under one roof makes us a trusted partner for custom sheet metal fabrication services.
Pre-Design and Blanking
Pre-design and blanking start the fabrication process. Pre-design means planning the part’s function and design to make sure it’s easy to make. Blanking cuts raw metal into a simple flat shape (called a “blank”) for later steps. Getting this right is important—mistakes here can ruin later work.
CAD/CAM Design
Our engineers use CAD for precise models and CAM to generate machine instructions, ensuring efficient processing with minimal errors and waste.
Laser Cutting
A focused laser beam melts or vaporizes material. High-pressure gas ejects molten residue, creating a precise cut with smooth edges.
CNC Punching
CNC punching quickly creates holes, slots, and custom shapes in metal. It is cost-effective and perfect for high-volume production with consistent results.
Waterjet Cutting
Waterjet cutting uses high-pressure water and abrasives, avoiding heat to prevent distortion. Ideal for thick or sensitive materials like titanium.
Forming Processes
Forming turns flat metal blanks into 3D shapes using force (mechanical, hydraulic, etc.)—no material is removed, so little waste. The right process depends on material type, part shape, and how much it’s used.
Bending
Bending is a metal forming process that uses a press brake to fold sheet metal at specific predetermined angles, such as 90 degrees. The machine is CNC-programmed to ensure high precision, making each bend consistent with the design specifications.
This method is commonly used for manufacturing boxes, brackets, enclosures, and structural frames. It is suitable for a wide range of metals, including steel, aluminum, and copper, though thicker materials require greater tonnage and more powerful equipment.
Stamping
Stamping involves using a die (mold) to press and shape metal in a single operation. It is a high-speed process ideal for mass-producing components such as automotive body parts, electronic connectors, and appliance housings.
While capable of producing complex geometries with high consistency, the initial cost of designing and manufacturing dies is relatively high. Therefore, stamping is most economical for large production batches.
Rolling and Hemming
Rolling forms metal into curved or cylindrical shapes, such as pipes, tubes, and cylinders, by passing the material through a series of rollers. Hemming involves folding the edge of metal sheet over itself or another layer, commonly used in automotive door panels and hoods, to enhance safety, rigidity, and aesthetic finish.
Rolling is essential for producing round or curved structural components, while hemming strengthens edges and eliminates sharpness for improved durability and user safety.
Joining and Finishing
Joining is the process of assembling separate sheet metal components into a complete structure using methods such as welding, riveting, or adhesive bonding. This step ensures the integrity and functionality of the final product.
Finishing involves surface treatments—such as painting, powder coating, plating, or anodizing—that enhance appearance, provide corrosion resistance, improve durability, and prepare the part for its end-use environment.
Together, joining and finishing are essential for ensuring that the assembled part performs reliably, meets aesthetic requirements, and maintains longevity under operational conditions.
Welding
Welding is a fabrication process that uses high heat to melt and fuse metal parts together. Common techniques include MIG (Metal Inert Gas) and TIG (Tungsten Inert Gas) welding, which produce strong, durable joints ideal for structural components such as frames, chassis, and machinery.
Riveting and Fastening
Riveting involves joining parts using metal pins (rivets) that are mechanically deformed to create a permanent hold, requiring no heat or fusion. Fastening employs threaded elements such as screws, bolts, or nuts, allowing for non-permanent connections that facilitate disassembly for maintenance or repair.
Both methods are cost-effective and relatively simple to implement. Riveting is preferred for high-strength permanent applications, while fastening is suitable for assemblies that require periodic access or component replacement.
Surface Treatment
Surface treatment can enhance the functionality and appearance of metal parts, improve corrosion resistance and give the product a professional appearance. Common processes include:
- Painting：For color and basic protection
- Galvanizing： zinc coating for rust prevention
- Powder coating：For a durable wear-resistant layer
- Anodizing：Increases hardness and corrosion resistance on aluminum
Looking for high-quality precision sheet metal fabrication?
Our team specializes in transforming sheet metal into durable, reliable components that meet the most demanding industry standards. Whether you need prototypes or large-scale production, we deliver custom solutions with speed, accuracy, and cost-efficiency.
Contact us today to request a quote for your next project.
Materials of Sheet Metal
Sheet metal fabrication utilizes a variety of metals, each offering distinct properties that make it suitable for specific applications. The selection of material depends on functional requirements such as strength, weight, corrosion resistance, formability, and cost.
Steel is one of the most commonly used forms of flat sheet metal, known for its strength, durability, and cost-effectiveness. Different types include stainless steel sheet metal, carbon steel, and galvanized sheet metal, each designed to suit specific applications. For instance, 18 gauge sheet metal is widely used in construction and industrial fabrication due to its balance of thickness and formability. Steel is ideal for building structures, machinery, and appliances, but requires proper coatings like zinc galvanization to resist corrosion.
Aluminum sheet metal is lightweight, corrosion-resistant, and versatile. Often referred to as alum sheet metal, it is popular in aerospace, automotive, and electronics industries where weight reduction is critical. Aluminum is easy to form, machine, and finish with anodizing or powder coating, making it both functional and visually appealing. Its recyclability also supports sustainable manufacturing.
Copper sheet metal offers unmatched electrical and thermal conductivity, which makes it indispensable in wiring, busbars, roofing, and heat exchangers. Beyond its industrial uses, copper’s natural aesthetic appeal has made it a popular choice for architectural accents and decorative metal sheeting. Although heavier and more expensive than aluminum, copper provides durability and long-lasting value.
Brass sheet metal (also called metal brass sheet) combines copper and zinc, resulting in excellent corrosion resistance and workability. Brass sheets are widely used in musical instruments, fittings, and decorative applications due to their golden appearance. They are also preferred in plumbing and marine environments for their durability and resistance to saltwater.
Titanium alloys are known for their exceptional strength-to-weight ratio and resistance to extreme conditions. These sheets are used in aerospace, medical implants, and marine engineering. Though titanium is more costly and harder to machine than aluminum sheet metal or stainless steel sheet metal, its performance in critical applications makes it invaluable.
Comparison Table of Sheet Metal Materials
Challenges and Solutions in Precision Processing
Dimensional Tolerance Control
In sheet metal fabrication, materials can spring back or expand due to heat, making it hard to hold precise dimensions. We use high-precision measuring equipment and real-time monitoring during processes like bending and stamping. Our machines automatically adjust to compensate for errors, ensuring every part meets exact size requirements.
Surface Quality Improvement
We employ deburring, polishing, and protective handling to improve surface finishes. These methods ensure that every metal sheet we deliver meets the highest standards of quality and appearance.
Put your parts into production today
- All information and uploads are secure and confidential.