Width Between Contact Points During Bending Calculator

Formula Used:

\[ w = \frac{K_{bd} \times L_b \times \sigma_{ut} \times t_{blank}^2}{F_B} \]

Bending Die Constant (Kbd):

Bent Part Length (Lb):

Ultimate Tensile Strength (σut):

Blank Thickness (tblank):

Bending Force (FB):

Width between Contact Points (w):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is Width Between Contact Points?

Width between contact points is the necessary width between contact points to prevent defects and produce desired results in metal bending operations. It ensures proper material flow and prevents cracking or deformation during the bending process.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ w = \frac{K_{bd} \times L_b \times \sigma_{ut} \times t_{blank}^2}{F_B} \]

Where:

\( w \) — Width between contact points (m)
\( K_{bd} \) — Bending die constant
\( L_b \) — Bent part length (m)
\( \sigma_{ut} \) — Ultimate tensile strength (Pa)
\( t_{blank} \) — Blank thickness (m)
\( F_B \) — Bending force (N)

Explanation: The formula calculates the optimal width between contact points based on material properties and bending parameters to ensure successful bending operations.

3. Importance of Width Calculation

Details: Proper width calculation is crucial for preventing material defects, ensuring dimensional accuracy, and achieving desired bend quality in metal forming operations.

4. Using the Calculator

Tips: Enter all required parameters with appropriate units. Ensure values are positive and within reasonable ranges for accurate calculations.

5. Frequently Asked Questions (FAQ)

Q1: What factors affect the width between contact points?
A: Material properties, bending force, die design, and material thickness all influence the required width between contact points.

Q2: How does material thickness affect the width calculation?
A: Thicker materials generally require wider spacing between contact points to accommodate the increased bending force and prevent material deformation.

Q3: What is the bending die constant?
A: The bending die constant is a numerical value that quantifies the relationship between applied force and material deformation during bending operations.

Q4: Why is ultimate tensile strength important in this calculation?
A: Ultimate tensile strength determines the material's resistance to breaking under tension, which directly affects how it behaves during bending operations.

Q5: Can this calculator be used for all types of materials?
A: While the formula is generally applicable, specific material properties and bending characteristics may require adjustments for optimal results.