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How a Press Brake Machine Works?

How a Press Brake Machine Works?

2025-08-26

A press brake forms metal by using a punch and die set. The metal sheet is placed between them, and pressure is applied to bend the metal to the desired angle.


 Step-by-Step Process:

  1. Material Placement

    • A flat sheet of metal is positioned on the lower die.

    • The position is often aligned using back gauges to ensure accuracy.

  2. Punch Movement

    • The upper punch (attached to a ram) moves downward and presses the metal into the lower die.

  3. Metal Bending

    • As the punch presses the sheet, the metal bends along the die's shape.

    • The bend angle depends on the depth of the punch and the die’s geometry.

  4. Return Stroke

    • After the bend is made, the punch retracts.

    • The bent metal is removed or repositioned for the next bend.