12 Types & Uses of Press Brake Tooling

Press Brake Tooling Types

Brief introduction:

Bending is the process of bending a sheet by using a press brake machine and a bending die.

Bending dies, also known as press brake punches or blades, are divided into top punches and bottom dies.

The top punch is also called a folding blade.

Press Brake Tooling

The specific classification of the upper and lower dies is shown in Figure 1.

1. Classification and types of press brake top punch: (Fig.1)

Types of press brake top punch
Fig.1

2. The top punch of press brake is divided into two types: integral type and segmented type

  • Integrated top punch: 835mm and 415mm
  • Segmented top punch: a segmentation and b segmentation

A split length: 10,15,20,40,50,100 (right horn),100(left horn),200,300;

B split length: 10,15,20,40,50,100(right horn),100(left horn),165,300;

3. Classification and application of various top punch

3.1. Gooseneck Punch

01) Standard Gooseneck Punch

Pressure-tolerant Value(full length)20TON/MMaterial42CrMoHeat TreatmentHRC47±2
Pressure-tolerant Value(separated)11TON/MTip Radius0.2R

Coordinate graph(1:1):

Standard Gooseneck Punch

Processing characteristics:

1. The application of the standard punch in the bending is mainly the avoidance of the W direction, and the bending diagram is as follows:

Standard Gooseneck Punch Bending Diagram

2. X direction: when Xmin>4mm, it can be bent (when the size is required in the W direction)

3. Y direction:when 0<Y<30mm, the Z direction cannot be avoided. When Y≧30mm, Z=Y-300

Split graph: B split

Standard Gooseneck Punch Split graphStandard Gooseneck Punch Split Graph HornHorn

02) Gooseneck Punch

Pressure-tolerant Value(full length)50TON/MMaterial42CrMoHeat TreatmentHRC47±2
Pressure-tolerant Value(separated)45TON/MTip Radius0.2R

Coordinate graph(1:2)

Gooseneck Punch Coordinate Graph

Processing characteristics:

1. The application of the gooseneck punch in the bending is mainly the avoidance of the W direction, and the bending diagram is as follows:

Gooseneck Punch Bending Diagram

2. X direction: when Xmin>9mm, it can be bent (when the size is required in the W direction)

3. Y direction: when 0<Y<85mm, the Z direction cannot be avoided. When Y≧85mm, Z=Y-85

Split graph: A split

Gooseneck Punch Split GraphGooseneck Punch Split Graph HornHorn

03) Gooseneck Punch

Pressure-tolerant Value(full length)50TON/MMaterial42CrMoHeat TreatmentHRC47±2
Pressure-tolerant Value(separated)30TON/MTip Radius0.2R

Coordinate graph (0.8:1)

Gooseneck Punch Coordinate graph

Processing characteristics:

1. The application of the gooseneck punch in the bending is mainly the avoidance of the W direction, and the bending diagram is as follows:

Gooseneck Punch bending diagram

2. X direction: when Xmin>6mm, it can be bent (when the size is required in the W direction)

3. Y direction: When 0<Y<75mm, the Z direction cannot be avoided. When Y≧75mm, Z=Y-75

Split graph: A split

Gooseneck Punch Split graphGooseneck Punch Split graph hornHorn

3.2. Straight Punch

01) Sash Punch

Pressure-tolerant Value(full length)30TON/MMaterial42CrMoHeat TreatmentHRC47±2
Pressure-tolerant Value(separated)15TON/MTip Radius0.2R

 Coordinate graph(0.8:1)

Sash Punch Coordinate graph

Processing characteristics:

Suitable for bending symmetrical products. Both front and rear directions can be avoided.

When Xmin>10mm,W and X direction can increase in proportion.

When 0<Y<20mm,Z=0.

When Y>20mm, Y and Z directions can increase in proportion.

The bendable length in the W direction is greater than the bendable length in the Z direction.

Sash Punch bending diagram

Split graph: B split

Sash Punch split graphSash Punch split graph hornHorn

02) Arrow Punch

Pressure-tolerant Value(full length)50TON/MMaterial42CrMoHeat TreatmentHRC47±2
Pressure-tolerant Value(separated)12TON/MTip Radius0.2R

 Coordinate graph(0.8:1)

Arrow Punch Coordinate graph

Processing characteristics:

1. Suitable for bending symmetrical products, both the front and rear directions can be avoided, and the bending opening can be as small as 6mm.

2. When X<50mm,Y<50mm,W and X direction can increase in proportion.

Arrow Punch Bending Diagram

Split graph: A split

Arrow Punch Split graphArrow Punch Split graph hornHorn

03) Acute Punch

Pressure-tolerant Value(full length)100TON/MMaterialAM87Heat TreatmentHRC47±2
Pressure-tolerant Value(separated)20TON/MTip Radius0.65R

 Coordinate graph(0.8:1)

Acute Punch Coordinate graph

Processing characteristics:

1. Applicable range is between 30 ° and 180 °

2. Use a small angle of the tip of the tool to avoid the tapped hole and other workpieces that need to be avoided.

Acute Punch Bending Diagram

3. It is used for deep bending, and the insertion depth is suitable for bending angle as shown in the following figure:

Acute Punch Bending Angle

Split graph: B split

Acute Punch Split graphAcute Punch Split graph hornHorn

04) Acute Punch

Pressure-tolerant Value(full length)60TON/MMaterialAM87Heat TreatmentHRC47±2
Pressure-tolerant Value(separated)30TON/MTip Radius0.37R

Coordinate graph(1:1)

Acute Punch Coordinate graph

Processing characteristics:

1. Suitable for angles between 45° and 180°

Acute Punch Bending Angle

2. Use a small angle of the tip of the tool to avoid the tapped hole and other workpieces that need to be avoided.

Acute Punch Bending Diagram

Split graph:A split

Acute Punch Split graphAcute Punch Split graph hornHorn

05) Acute Punch

Pressure-tolerant Value(full length)100TON/MMaterialAM87Heat TreatmentHRC47±2
Pressure-tolerant Value(separated)30TON/MTip Radius0.52R

 Coordinate graph(1:1)

Acute Punch Coordinate graph

Processing characteristics:

1. Applicable range is between 30 ° and 180 °

2. Use a small angle of the tip of the tool to avoid the tapped hole

Acute Punch Bending Diagram

3. For deep bending, the depth of insertion is applicable to the bending angle as shown below

Acute Punch Bending Angle

Split graph: B split

Acute Punch Split graphAcute Punch Split graph hornHorn

3.3. Radius Punch

01) Radius Punch

Pressure-tolerant Value(full length)45TON/MMaterial42CrMoHeat TreatmentHRC47±2
Pressure-tolerant Value(separated)45TON/MTip Radius1.5R,3.0R

Coordinate graph(1:1)

Radius Punch Coordinate graph

Processing characteristics:

1. R radius is 1.5,3.0

Radius Punch R radius

2. Radius punch is often used as bends for the upper cover

3. Sometimes used for shaping the workpiece with a small angle.

Split graph:A split

Radius Punch Split graph
Radius Punch Split graph horn

02) Large Radius Punch

Pressure-tolerant Value(full length)45TON/MMaterial42CrMoHeat TreatmentHRC47±2
Pressure-tolerant Value(separated)45TON/MTip Radius3.0R,4.0R5.0R,6.0R,8.0R,10.0R

Graph (1:1)

Large Radius Punch Graph

Processing characteristics:

1. This large radius punch is mainly used for bending the inner arc angle of R, and the radius of the arc angle is R3~R10.

Large Radius Punch R radius

2. The radius punch is matched with the corresponding V groove

Combination graph:

Large Radius Punch Combination graph

3.4. Special Punch

01) Hemming Punch

Pressure-tolerant Value(full length)100TON/MMaterial42CrMoHeat TreatmentHRC47±2
Pressure-tolerant Value(separated)Tip Radius

Graph (1:1)

Hemming Punch Graph

Processing characteristics:

1. The figure diagram shows the shape of the product after bending and flattening. All similar shapes can be bent. It should be used with 30° upper and lower molds.

Hemming Punch Bending Workpiece

2. Can also be used for pressing, riveting, shaping, etc.

Split graph:

Hemming Punch Split graph

02) Offset Punch

Pressure-tolerant Value(full length)/Material42CrMoHeat TreatmentHRC47±2
Pressure-tolerant Value(separated)/Tip Radius/

Graph (1:1)

Offset Punch Graph

Processing characteristics:

1. Used for Z bending which can’t be folded by common press brake dies.

H=1~10mm

Offset Punch Z Bending

2. The shape of the bend product is as shown in the upper right figure, usually called Z bend or offset.

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Shane
Author

Shane

Founder of MachineMFG

As the founder of MachineMFG, I have dedicated over a decade of my career to the metalworking industry. My extensive experience has allowed me to become an expert in the fields of sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. I am constantly thinking, reading, and writing about these subjects, constantly striving to stay at the forefront of my field. Let my knowledge and expertise be an asset to your business.

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