⚙️ Sheet Metal Design

Punch & Die Design Calculator

Clearance · Cutting Force · Stripper Force · Press Tonnage · Punch & Die Sizes

🔲 Blanking

⭕ Piercing

📐 Notching

Material

Custom UTS

MPa

Sheet Thickness

Part Shape

Diameter (D)

Length (L)

Width (W)

Custom Perimeter

Clearance % (per side)

Soft Al: 3–8% · MS: 5–8% · SS: 6–10%

No. of Punches / Strokes

pcs

Die Clearance (per side)

—mm

Total gap = — mm

Cutting / Blanking Force

—kN

F = 0.8 × UTS × t × Perimeter

Stripper Force

—

kN (≈15% of F)

Press Tonnage

—

Tons

Punch Size

—

Die Size

—

Part / Blank

—

Perimeter

—

Design Summary

Operation—

Material UTS—

Shear Strength—

t × Perimeter—

Safety Factor1.25×

Blanking: Punch = Part − 2c · Die = Part size
Piercing: Die = Hole size · Punch = Hole − 2c