Comparison of Stamping Blanking and Laser Blanking

Traditional coil material blanking often involves die stamping. With the advancement of technology, laser cutting technology has become increasingly mature. Understanding the differences and advantages of both technologies allows us to make better choices based on specific circumstances.

1. Processing Capacity

High-tonnage presses allow for efficient processing of thicker materials using die stamping. Laser cutting may not be suitable for some thicker materials, being more appropriate for processing medium to thinner materials. In two-dimensional machining, laser cutting achieves higher precision than die stamping. However, die stamping produces products with high consistency and minimal error. Laser cutting may cause slight deformation in certain locations due to the high temperatures involved.

2. Production Efficiency

Each time a press completes a mechanical stamping, it completes one processing. In contrast, laser cutting requires traversing a complete cutting path to complete one processing cycle; its processing time depends on the complexity and length of the path.

3. Switching Efficiency

Die stamping requires different dies to perform different processes, but die-making often has a long cycle. Laser cutting, on the other hand, determines the processing content based on CAD drawings; only the drawings need to be modified to adjust the processing. This is far more flexible than die-making.

4. Material Utilization

When arranging stamped parts in die stamping, a certain amount of die clearance and edge space needs to be reserved. The larger and more complex the part, the more space needs to be reserved, which leads to material waste. Laser cutting layout can be handled by layout software, enabling tighter layout and maximizing material utilization.

5. Investment Costs

The investment costs for die stamping mainly lie in die manufacturing and maintenance. Laser cutting, as a high-tech process, incurs investment costs for the entire laser cutting system, including the cutting machine, control system, etc., and maintenance costs will be even higher.

In general, if large-volume, long-term stable production is required, stamping blanking is better. If short-term, small-batch production of frequently modified products is needed, laser blanking is better.