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Sheet Metal Cone Fabrication

Sheet Metal Cone Fabrication

Sheet metal cone fabrication is the process of creating conical shapes from flat sheets of metal. Cones are three-dimensional geometric figures that have a circular base and taper to a point at the apex. Sheet metal cones are commonly used in various industrial, commercial, and DIY applications, such as in the manufacturing of tanks, funnels, hoppers, ventilation systems, and more.Sheet metal cone fabrication requires precise measurements and careful attention to detail to ensure that the final product meets the required specifications. Cones can vary in size, shape, and thickness, making the fabrication process versatile and applicable to a wide range of industries.

How To Sheet Metal Fabrication Cone

Creating a cone from sheet metal requires a series of measurements, cuts, and bends. Here’s a step-by-step guide on how to fabricate a cone from sheet metal:

Tools and Materials:

  • Shears or tin snips
  • Metal brake or bending equipment
  • Clamps
  • Welding machine (optional, for a seamed cone)
  • Grinding tool (optional, for finishing)
  • Sheet metal (typically steel or aluminum)
  • Measuring tape
  • Pencil or marker
  • Straight edge (ruler or square)

Step 1: Determine Cone Dimensions

Decide on the dimensions of the cone, including its height (H) and the diameter of its larger and smaller circular openings (D1 and D2). The formula for the length of the metal sheet needed is L = √(H² + (D1 – D2)²).

Step 2: Mark the Sheet Metal

  • Measure and mark a point in the center of the sheet metal. This point will be the apex (top) of the cone.
  • Using your measuring tape and a pencil, measure and mark a distance “H” from the apex down the sheet. This represents the height of the cone.
  • Measure and mark “D1” from the apex to the right and “D2” from the apex to the left, creating two points that will define the larger and smaller circles respectively.
  • Connect the marks for D1 and D2 to the apex using a straight edge, creating a triangle.
How To Sheet Metal Fabrication Cone

Step 3: Cut the Sheet Metal

Use shears or tin snips to cut along the lines defining the triangle you’ve drawn in the previous step. This will leave you with a triangular piece of sheet metal.

Step 4 Bend the Cone

Step 4: Bend the Cone

  • To create the cone shape, you can use a metal brake,Roll Roundor and other bending equipment.
  • Position the triangle in the brake with the apex (top) aligned with the bending edge.
  • Bend the metal along the lines connecting the apex to D1 and D2. You may need to do this in multiple stages to achieve the desired cone shape.
  • Ensure that the edges meet accurately to form a seam. If there’s a gap, make small adjustments until it fits together neatly.

Step 5: Weld the Seam (Optional)

If a watertight or airtight seam is required, you can weld the seam together using a welding machine. This is optional and depends on your application.

Step 6: Trim Excess

If there is excess material at the base of the cone, trim it off using shears or a grinding tool.

Step 7: Finish and Polish (Optional)

To make the cone look more professional, you can grind and polish the edges and seams for a smooth and clean finish.

This basic method should work for simple cones. If you need more complex shapes or more precise cones, you may need to use software or specialized tools for metal fabrication. Additionally, remember to take safety precautions when working with sheet metal, such as wearing gloves and eye protection.

The Application Of Cone Sheet Metal Fabrication

Cone sheet metal fabrication is a specialized process used to create conical shapes from flat sheets of metal. This technique is commonly employed in various industries, including manufacturing, construction, aerospace, and more. Here are some common applications of cone sheet metal fabrication:


Ductwork and HVAC Systems

Conical sections are often used in the construction of ductwork and HVAC (Heating, Ventilation, and Air Conditioning) systems. These conical pieces help to direct airflow and can be custom-designed to fit specific spaces.

Exhaust Systems

Cones are utilized in exhaust systems to help with the flow of exhaust gases, directing them efficiently through pipes or stacks. They are also used to create expansion joints and transitions within the exhaust system.

Aerospace Industry

In aerospace, conical sections are used to fabricate parts like engine nozzles, aircraft exhausts, and other components where aerodynamics is crucial. The conical shape is often designed to optimize airflow and reduce drag.

Lighting and Lampshades

Cones are frequently used to make lampshades and lighting fixtures. The conical shape helps diffuse and direct light in a specific manner.

Culinary Equipment

Conical metal parts are used in the manufacturing of kitchen equipment such as funnel-shaped chutes for ingredient dispensers or specific cooking equipment.

Silos and Hoppers

In industries like agriculture and manufacturing, conical sections are employed in the construction of silos and hoppers. These shapes facilitate the efficient flow and discharge of bulk materials.

Custom Metal Fabrications

Cone sheet metal fabrication can be used in a variety of custom applications where a conical shape is needed. These might include storage tanks, custom containers, or architectural elements.

Furniture and Design

Conical metal pieces are often used in modern furniture design, creating unique and aesthetically pleasing structures and decorative elements.


Conical shapes can be used in various transportation applications, from the construction of exhaust systems in vehicles to components used in the manufacturing of trains and ships.

Sound and Audio Equipment

Conical shapes are used in audio equipment such as loudspeakers, microphones, and megaphones to optimize sound propagation and directionality.

Cone sheet metal fabrication is a versatile technique that allows for the creation of precise conical shapes, making it useful in a wide range of industries and applications. The ability to customize the dimensions and angles of the cones makes it a valuable tool for engineers and designers looking to optimize the performance of various systems and products.

Large Cone Sheet Metal Fabrication Manufacturer In China

Be-Cu prototype become a hard-working extension of your team. Our Cone Sheet Metal Fabrication capabilities are designed to best suit you, our customer. Whether you’re looking for a fully processed cone parts solution or just a few large metal cone manufacturing services, you’ve come to the right place.

Using our state-of-the-art facility, we provide premiere cone fabrication services to the global. We are continually upgrading our metalwork equipment to keep up with the latest technology.The flat sheet metal is cut into the shape of the pattern using tools such as shears, laser cutters, or plasma cutters. The cutting method chosen depends on the material thickness and precision required.Our laser cutting capacity includes 4 large lasers with power ranging from 1700 watts to 6000 watts with bed sizes up to 6M. Once the flat sheet is cut, it needs to be shaped into a conical form. This is typically done using a rolling machine, also known as a slip roll or plate roll, or a press brake. The sheet is gradually bent into a cone shape, with the edges overlapping.The overlapping edges of the sheet metal are seamed or welded together to create a continuous, leak-proof seam. The type of seam or welding method used depends on the material and the intended application. Common methods include TIG welding, MIG welding, or spot welding.

Large Cone Sheet Metal Fabrication Manufacturer In China

We work with various industries including construction, decorative and automotive markets. Fabrication quality parts at a cost-conscious price are provided in the format you want—whether you’re looking for added metal work services or only the cone spinning parts, we can manufacture to your design. Bring in your cardboard template or hand sketches, your DXF file, full blueprint, or sample parts; regardless of the format, Be-Cu prototype can easily transform your design into exactly the metal part you’re looking for. For more information on Be-Cu prototype and our premiere sheet metal cone fabrication technology, contact us by [email protected]! Our capabilities bring you the best in precision cone parts all across China.

Cone Sheet Metal Fabrication Techniques

Cone Sheet Metal Fabrication Techniques

  • Cutting: Shearing, laser cutting, plasma cutting, and waterjet cutting are common methods used to cut sheet metal into desired shapes and sizes.
  • Bending: Press brakes and other bending equipment are utilized to bend sheet metal into angles and shapes according to design specifications.
  • Forming: Roll forming and stamping are techniques employed to shape sheet metal into complex geometries.
  • Welding: Welding joins separate pieces of sheet metal together using various methods such as MIG (Metal Inert Gas) and TIG (Tungsten Inert Gas) welding.
  • Assembly: Assembly involves joining different components created through sheet metal fabrication to create a final product or structure.

Cone Sheet Metal Materials

Sheet metal is a widely used form of raw material, usually 0.006 and 0.25 inches thick sheet used in sheet metal fabrication. Sheet metal cone parts are typically constructed from thin metal sheets, such as steel, aluminum, or stainless steel. The choice of material depends on factors like the desired strength, durability, corrosion resistance, and weight requirements.

  • Aluminum: Al 5052, 6061,6063 etc
  • Copper: C101, C110, brass (C260) etc
  • Stainless Steel: SS 301, 304, 316/316L etc
  • Steel: low carbon steel etc
Cone Sheet Metal Materials

Sheet Metal Cone Fabrication By Surface Finish

Fabricating a sheet metal cone with a specific surface finish involves several steps and considerations. The surface finish refers to the texture, appearance, and quality of the outermost layer of the metal cone and sheet metal water tank. Common surface finishes for sheet metal cones include smooth, brushed, polished, textured, or coated finishes. Here’s a general guide on how to fabricate a sheet metal cone with a desired surface finish:

  • Smooth Finish: Achieving a smooth finish may involve sanding or using abrasive pads to remove any imperfections. Afterward, you can polish the surface to enhance the smoothness.
  • Brushed Finish: Brushed finishes are achieved by moving a wire brush or abrasive pad along the surface in a consistent pattern. This gives the metal a brushed appearance.
  • Polished Finish: For a polished finish, progressively finer abrasive materials (such as sandpaper or polishing compounds) are used to create a mirror-like surface.
  • Textured Finish: Texture can be added to the surface using various techniques, such as etching, embossing, or applying specialized coatings or paints.
  • Coated Finish: Applying a specific coating or paint can create the desired surface finish. Coatings can provide protective properties as well.

Remember that achieving a specific surface finish requires skill and experience. The choice of materials and surface finish methods can also affect the overall cost and production time. Consulting with a sheet metal fabrication professional or a shop – BE-CU Prototype with expertise in surface finishes can be helpful in achieving the desired result.

Custom Cone Sheet Metal Fabrication Case Studies Gallery

BE-CU prototype performed complete cone Sheet Metal Fabrication services. Cutting, punching, bending, welding, and assembling are among our operations. Sheet metal cone manufacturing are useful in numerous industries. Such as electronics, automotive and offshore industries, and more. Moreover, BE-CU can create Cone Sheet Metal Fabrication service to meet your specifications. Whatever your application is, we have sheet metal that will work best for its fabrication.

BE-CU prototype provides Cone Sheet Metal Fabrication and several secondary and support service to take your project from start to finish. Request a quote for your Cone Sheet Metal Fabrication project today or contact us to learn more about our Cone Sheet Metal Fabrication process.