Shenzhen Tuohai Automation Equipment Co., Ltd

 

Metal stamping, also known as metal pressing or sheet metal forming, is a manufacturing process that involves using a combination of pressure and dies to form metal sheets into specific shapes and sizes. In the process, blank coils or sheets get fed into a stamping press which uses tools and dies to form features and surfaces in the metal. This technique is commonly used in the production of various parts across different industries, including automotive, aerospace, electronics, and consumer goods.

 

Features

Precision and Accuracy

Metal stamping allows for the production of parts with high precision and accuracy. The use of advanced dies and presses ensures that parts meet tight tolerances, often within ±0.001 inches (±0.025 mm), making them suitable for applications where exact dimensions are critical.

 

Complex Geometries

The process can create parts with complex shapes and intricate details. This includes bending angles up to 90 degrees, forming curves with a radius as small as 0.5 mm, and creating holes or slots with diameters down to 0.3 mm, which are often difficult to achieve with other manufacturing methods.

 

High Volume Production

Metal stamping is ideal for mass production due to its efficiency and consistency. Once the dies are made, parts can be produced at rates exceeding 1000 pieces per hour, reducing overall manufacturing costs by up to 30% compared to other methods like machining.

 

Material Efficiency

The stamping process minimizes material wastage by cutting parts directly from sheet metal. Nested part designs and optimized layouts further enhance material utilization, often achieving material usage efficiencies of up to 95%.

 

Surface Finish

Metal stamping provides parts with a smooth and consistent surface finish, typically achieving surface roughness values (Ra) as low as 0.8 micrometers. This may reduce or eliminate the need for additional finishing operations. This is particularly important for aesthetically visible components.

 

Strength and Durability

The cold-working nature of metal stamping increases the strength of the material through work hardening, resulting in durable parts that can withstand significant mechanical stresses. For instance, the yield strength of stamped steel parts can increase by 20-30%, depending on the material and forming conditions.

 

Application

1. In the aerospace sector, metal stamping is used to produce critical components such as airframe panels, fasteners, and heat sinks. The process ensures high durability and reliability under extreme conditions, which is crucial for aviation safety and performance. The material efficiency of stamping also helps in reducing the overall weight of aircraft, leading to better fuel economy and reduced carbon emissions.

 

2. Electronic devices rely heavily on metal stamping for housings, connectors, and heat sinks. These parts must meet stringent specifications to ensure proper functioning and longevity of electronic equipment. The surface finish achieved through stamping eliminates the need for additional finishing operations, making it an economical solution for high-volume production of consumer electronics.

 

3. In the realm of consumer goods, appliances like refrigerators, washing machines, and dishwashers use stamped metal parts for their casings, supports, and internal mechanisms. The smooth surface finish and consistent quality provided by metal stamping enhance the aesthetic appeal while ensuring functionality and durability. Additionally, the ability to mass-produce these parts at low cost makes it feasible to manufacture affordable consumer products.
 

 

 

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