FINEBLANKING CHARACTERISTICS & ADVANTAGES

Fineblanking is a specialized form of blanking where there is no fracture zone when shearing. This is achieved by compressing the whole part and then an upper and lower punch extract the blank. This allows the process to hold very tight tolerances, and perhaps eliminate secondary operations. Materials that can be fine blanked include aluminum, brass, copper, and carbon, alloy and stainless steels.

Fineblanking offers these advantages:

• Excellent dimensional control, accuracy, and repeatability through a production run
• Exceptional part flatness is retained
• Straight, superior finished edges to other metal stamping processes
• Uniformity of position from feature to feature
• Holes smaller than material thickness, close to the edge of the part
• Tonnage up to 630