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High-speed stamping is a highly efficient manufacturing process that utilizes automatic press machines and precision dies to mass-produce metal components at rapid rates, typically measured in Strokes Per Minute (SPM).

Based on the provided sources, the process is defined by the following characteristics:

1. Speed Classifications

The definition of “high speed” has evolved with technology. While historical standards considered 400 SPM as high speed, modern industrial classifications categorize speeds as follows:

• Standard Fast Speed: > 200–400 SPM.
• Sub-High Speed: > 400–800 SPM.
• High Speed: Generally exceeds 800 SPM, with many specialized automatic presses operating at 1,000 to 2,000 SPM.

2. Equipment Characteristics

High-speed stamping requires specialized machinery and peripheral systems to handle the extreme velocity and vibration:

• Short Stroke Length: To minimize travel time and vibration, high-speed presses use very short strokes, typically ranging from 13mm to 38mm.
• Precision Feeders: The process relies on high-speed automatic feeders (such as roll or gear-driven feeders) with extreme accuracy, often within ±0.01 to 0.03mm, to synchronize with the rapid press cycles.
• Automatic Systems: These lines are fully automated, utilizing uncoilers (decoilers) to feed raw material from coils and scrap cutters or rewinders to handle waste and finished parts without manual intervention.

3. Die Requirements (Progressive Dies)

High-speed stamping almost exclusively uses Progressive Dies (級進模/連續模).

• Material and Durability: Because punches operating at 1,200+ SPM generate significant heat and friction, the die components are often made of Super Steel (Tungsten Carbide/鎢鋼) to ensure longevity and maintain precision.
• Complexity: These dies perform a sequence of operations (piercing, bending, forming) in a single stroke across multiple stations.

4. Materials and Applications

• Materials: The process is best suited for thin materials (typically less than 1mm thick) provided in coil form.
• Industries: It is vital for the electronics, IT, and telecommunications sectors, producing miniature, high-precision parts like lead frames, connectors, and terminals. It is also used for small automotive components and safety blades.

5. Advantages and Limitations

• Advantages: It offers extremely high production capacity, reduces labor costs through automation, and ensures high dimensional consistency across millions of parts.
• Limitations: High-speed presses generate significant noise and require specialized anti-vibration foundations. Additionally, the high cost of the equipment and complex die design makes it unsuitable for small-batch production; it is only economical for large-scale mass production.