Depends on what application it is intended for and how many pieces. Basically, there are several factors to consider: cost, time, quantity, accuracy and flexibility.
In terms of batch size, if parts do not require high-volume accuracy and the same part is ordered repeatedly, stamping may be the best option. On the other hand, photochemical etching tools are more flexible and can be easily modified. It is ideal for prototypes and volumes of any size that require more complex designs. The photochemical processing process has more steps than the stamping process. However, it always depends on the size of the order and the urgency of the project deadline. The length of the photochemical machining process is usually faster than the time required to manufacture the stamping tool.
The most significant difference that can solidify your decision on which process to use is the importance of precision. For example, for obvious safety reasons, medical components (especially implants) and devices need to meet a large number of quality regulations. The photochemical etching process is beneficial for medical applications because it can provide burr-free parts when leaving the manufacturer. In contrast, embossing leaves some burrs, which need to be eliminated by another method, which may increase costs. Stamped components are commonly used in machinery in many industries.
For example, photochemical etching may be more cost-effective when processed. A stamping die can take weeks to complete and cost thousands of dollars. In contrast, photochemical etching tools are made from indexed CAD-designed films that take several hours to produce and cost up to $ 300.
Both processing methods use multiple types of metals. In general, stamping certain soft, hard or brittle or fragile metals is often difficult. However, some manufacturers' processes can improve accuracy. Moreover, the punching function can produce thicker parts.
