1. What is Shear Cutting Force?

Definition: Shear cutting force is the force required to cut or shear a material, calculated as the product of the material's shear strength and the cross-sectional area being cut.

Purpose: This calculation helps engineers and metalworkers determine the appropriate machinery and power requirements for cutting operations.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( F \) — Shear force (Newtons, N)
• \( \tau \) — Shear strength of material (Pascals, Pa)
• \( A \) — Cross-sectional area being cut (square meters, m²)

Explanation: The shear strength represents the material's resistance to cutting, while the area determines how much material is being cut simultaneously.

3. Importance of Shear Force Calculation

Details: Accurate shear force calculations ensure proper machine selection, prevent equipment overload, and help achieve clean cuts with minimal deformation.

4. Using the Calculator

Tips: Enter the material's shear strength in Pascals and the cross-sectional area in square meters. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: How do I find a material's shear strength?
A: Shear strength is typically 70-80% of tensile strength for metals. Check material specifications or engineering handbooks.

Q2: What's a typical shear strength for mild steel?
A: Approximately 300-400 MPa (300,000,000-400,000,000 Pa).

Q3: How do I calculate cross-sectional area?
A: For rectangular cuts: thickness × length. For circular cuts: π × (radius)².

Q4: Why is the result in Newtons?
A: Newton is the SI unit of force. 1 N = 1 kg·m/s².

Q5: How does blade angle affect shear force?
A: Angled blades reduce peak force by distributing cutting over time, but total energy remains similar.