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Fabrication services offer various solutions depending on clients' and customers' needs. The following are the most common types of sheet metal stamping:
Progressive stamping is a type of sheet metal fabrication that gradually forms a piece through multiple stages. Each step of the process uses a die that makes a small change to the metal. This stamping is often done in large quantities because the metal is fed through the machine and each part comes out fully formed at the end. Progressive stamping is great for making complex parts quickly and consistently, such as gears, brackets, or clips, which need many identical parts.
Deep drawn stamping is used when making parts that need to be pulled into deeper shapes, like a bowl or cup. Instead of just pressing the metal flat or softly bending it, this method draws the metal down into a deeper, stretched form. It works well for making cylindrical or conical shapes such as containers, tubing, or funnels. High-quality deep drawn stamping is important to keep the metal evenly thick and sturdy when making such elongated designs.
Single-impact stamping, or single press stamping, simply and quickly presses the metal into one basic shape in a single step. The die just places even pressure on the metal to flatten or lightly bend it. Because this stamping only requires one press, machines and setups are simple and costs are lower than more complex methods. Single-impact stamping is great for making simple metal parts in large amounts. For example, it works well for producing basic brackets, washers, or license plate frames routinely needed in bulk. This technique provides fast production times with reliable consistency for basic designs.
Bending stamping shapes the metal by pressing it into angled forms using specially shaped dies. Instead of fully cutting through or drawing the metal, the die puts even force along set lines to create precise bends. This technique forms parts that need sharp edges or distinct angles, such as brackets, frames, and mounts. Bending stamping is useful for making metals with complex profiles.
Materials play a key role in metal stamping, as each offers different benefits depending on the final product required. These are the most common materials used in stamping sheet metal parts:
Stainless steel is a favored material for stamping due to its strength, durability, and resistance to rust and corrosion. Unlike regular steel, which can oxidize when exposed to moisture, stainless steel contains chromium, which forms a protective layer that prevents rusting over time. This makes stainless steel ideal for stamped parts in outdoor environments, marine applications, or areas with high humidity. Beyond its practical benefits, stainless steel has an attractive, sleek appearance that many find aesthetically pleasing. It is also non-reactive, meaning it won't contaminate foods or chemicals.
Aluminum is lightweight yet extremely strong, making it great for automotive, aircraft, and electronics parts. Its low density helps keep the final product light and easy to handle. While not as hard as some metals, aluminum is highly formable, meaning it can be shaped with ease during stamping without breaking or cracking. One of aluminum's standout qualities is its resistance to corrosion through oxidation. When aluminum is exposed to air, it forms a thin layer of oxidized aluminum that protects the metal beneath it from further oxidation.
Copper is highly valued for its excellent conductivity, strength, and resistance to corrosion. In metal stamping, copper is used to make parts like electrical connectors, terminals, and circuit boards where its conductivity powers, transmits, and controls electronics. Its resistance to corrosion, even in harsh environments, helps stamped parts to last long without weakening. Stamped parts with copper retain their strength over time, whether in intense outdoor conditions, industrial settings, or deep-sea marine environments.
Brass is a corrosion-resistant alloy of copper and zinc, often used in stamping because it balances strength, workability, and resistance to rust and tarnishing. Stamped parts made from brass hold up well in humid, marine, or industrial environments without weakening from corrosion. In addition to corrosion resistance, brass has a very appealing aesthetic quality. It is most known for its attractive golden hue and smooth finish.
Fabrication services have a wide range of commercial value. The following are key industrial applications of stamping sheet metal parts:
The automotive industry relies heavily on metal stamping for producing large metal parts quickly and accurately. Car makers need thousands of the same part, and stamping can make them all the same without much cost. Stamped parts include major components like doors, hoods, fenders, and frames as well as smaller pieces like brackets and engine covers. Automotive metal stamping creates complex forms that fit together precisely for assembly. It also shapes components lighter, a key for fueling saving cars.
Appliance makers use stamping to form the metal outer shells and internal supports for refrigerators, washers, ovens, and more. Large stamping presses mold sheets of steel into these complex designs, allowing devices to remain affordable. Stamping also produces functional parts like shelves, handles, and hinges.
Precisely shaped stamped components help machines operate smoothly. Stamping makes large parts feasible. Factory-built devices make work easier for consumers.
Fabrication services are also useful in stamping parts for electrical applications. Basic stamping makes easy work of producing complex circuits and assemblies. Thin sheets of metal are formed into essential components for power distribution systems, safety devices, and control units. Complex cabinet enclosures protect wiring and enhance organization.
Metals like copper, brass, and aluminum excel at conducting and the stamping process forms connectors, terminals, and insulation-lacking parts. Stamped metal is also used to construct appliances and devices like phones.
The medical field also requires precision. Health devices like monitors and scanners and vital tools like scalpels and scissors depend on stamping's exactness. In medicine, simple stamping outputs complex circuits.
Materials of varying thickness form sensors and probes. Durable steel is stamped into surgical tools. Light metal brackets and supports hold implants in place during procedures. X-ray machines rely on stamped metal frames.
When choosing stamping metal parts supplier, buyers should consider the following:
Reliable suppliers should have experience working with specific metals, like steel, aluminum, or brass. They should also be able to form and work with complex tools and machinery. It is important to assess if the supplier has samples or previous projects that show they can produce the required stamped parts.
To ensure quality, buyers should choose suppliers with in-house engineering teams. In cases where the project requires unique complex dies or designs, the supplier should work with a skilled engineer to create a viable stamping solution.
If a supplier has certification for quality standards like ISO9001, it is a sign they have well-documented processes for achieving consistency and quality. It is also a good idea to ask for a sample part before purchasing as it helps to verify the supplier can meet the project's specifications.
Selecting suppliers with clear lines of communication and a willingness to work collaboratively is essential. Buyers should look for suppliers with reasonable timelines and a capacity to deal with orders of varying sizes. They should be upfront with pricing and be prepared to handle any issues that may arise with quality or deadlines.
A1. There are a number of processes used in the fabrication of stamped metal parts. The processes are performed using progressive dies and stamping presses. The common metal stamping processes are deep drawing, bending, embossing, trimming, flanging, and coining, among others.
A2. Brass metal stamping is commonly used to make various electrical components. It is also used to make musical instruments and marine hardware, among other items. The metal stands up to rough handling and exposure, making it a popular choice for sturdy parts used in machinery.
A3. The key factors that affect the pricing of stamped sheet metal parts are the requirements for the material, the complexity of the part, the thickness in the metal used, the quantity ordered, and the finishing options.
A4. The following tips can help buyers receive quality parts. Request detailed quality control reports as they show how the metal was handled. Communicate specific quality preferences like limits for rough edges or straight cuts. Ask for parts made before nearing the order quota to check for consistency first. Select stampers with advanced tools that enhance attention to detail.
A5. Several post-treatment methods can help increase the lifespan of stamped metal parts. Coating, plating, and finishing methods are applied to the parts. Common methods used include galvanizing, powder coating, anodizing, painting, and applying oils or waxes. The treatments protect the metal from rust, corrosion, and wear.
