Key Features

• Reverse gooseneck punch design specifically developed for U-shaped bending
• Helps achieve equal-height flanges on both sides of U-shaped workpieces
• Large clearance area reduces the risk of tool-to-workpiece collision
• 85° punch angle for controlled and accurate bending
• R1 tip radius suitable for general sheet metal forming applications
• 135 mm overall height for increased working reach
• 60 mm total width provides a large clearance structure
• 10 mm tip width for stable workpiece contact
• 45 ton/m load capacity for suitable industrial bending applications
• Suitable for U-shaped, channel, box, and deep-profile bending
• Particularly useful for complex or multi-step bending operations
• Designed for applications where conventional straight punches may cause interference
• Manufactured from 42CrMo alloy steel
• Heat treated to HRC 54 ± 2
• Suitable for CNC press brake machines
• Standard and customized reverse gooseneck tooling available
• Free press brake tooling design service available

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4. Technical Specifications

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5. Typical Applications

This 85° R1 reverse gooseneck punch is primarily designed for applications requiring accurate and repeatable U-shaped bending.

Typical applications include:

• U-shaped sheet metal bending
• U-channel bending
• Deep channel bending
• Box profile bending
• Equal-height flange bending
• Deep profile forming
• Multi-step bending
• Complex sheet metal components
• Electrical enclosures
• Machinery components
• Metal frames
• Structural sheet metal parts
• Industrial brackets
• Components requiring large workpiece clearance

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Reverse Gooseneck Punch for U-Shape Bending

The defining feature of this tooling is its reverse gooseneck configuration.

Unlike a conventional straight upper punch, the reverse gooseneck geometry provides a different bending path and creates substantial clearance around the workpiece.

This makes the tooling particularly suitable for forming U-shaped components.

During U-profile bending, maintaining consistent flange geometry can be challenging when conventional tooling is used. The workpiece may interfere with the punch during the second bending operation, affecting the final geometry or making it difficult to maintain consistent flange heights.

The reverse gooseneck structure provides additional space for the already formed section of the workpiece, allowing the component to be positioned more effectively during the subsequent bending operation.

Designed to Help Maintain Equal-Height U-Shape Flanges

One of the most important advantages of this tooling is its suitability for producing U-shaped workpieces with equal-height sides.

For U-shaped components, the two side flanges often need to maintain consistent height for proper assembly, appearance, and dimensional accuracy.

The reverse gooseneck punch is designed to provide a more suitable working geometry for this type of bending sequence.

It can help:

• Maintain more consistent left and right flange heights
• Improve repeatability of U-shaped components
• Reduce interference during the second bending operation
• Provide more space for previously formed sections
• Simplify U-channel and U-profile bending
• Improve the overall flexibility of the bending process

For manufacturers producing U-shaped or channel components in repeated production, this specialized tooling can provide a significant advantage over a conventional straight punch.

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6. Large Clearance for Complex Bending

In addition to its reverse gooseneck geometry, this tooling has a 60 mm total width, providing substantial structural space for the clearance section.

This large clearance is particularly useful when the workpiece has:

• Deep U-shaped profiles
• High side flanges
• Multiple bends
• Previously formed sections
• Restricted bending areas
• Complex channel geometries

The additional clearance helps reduce the possibility of tool-to-workpiece collision during bending.

This means the tooling is not only designed for U-shaped bending, but can also be considered for other applications where large workpiece clearance is required.

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7. Product Details & Manufacturing Quality

The reverse gooseneck punch is manufactured from 42CrMo alloy steel, providing high strength, toughness, wear resistance, and durability for repeated press brake operations.

The working section is heat treated to approximately HRC 54 ± 2, helping maintain dimensional stability and wear resistance during continuous production.

The R1 tip radius provides a balanced combination of forming performance and tool durability for a broad range of sheet metal applications.

The 135 mm overall height provides additional working reach, while the 60 mm total width allows the tooling to incorporate a substantial clearance structure.

The 10 mm tip width provides stable contact with the workpiece during forming.

The rated load capacity is 45 ton/m. Actual allowable bending force should always be evaluated according to material type, sheet thickness, bending length, die opening, bending method, and press brake specifications.

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8. Standard & Custom Reverse Gooseneck Tooling

Reverse gooseneck tooling is often highly dependent on the actual geometry of the customer's workpiece.

A standard punch may not always provide the correct clearance, flange positioning, or bending sequence required for a specific U-shaped component.

We therefore provide custom press brake tooling design services.

Customers can send us:

• 2D workpiece drawings
• 3D models
• U-shaped component drawings
• Bending sequence drawings
• Existing tooling drawings
• Press brake machine specifications
• Workpiece samples

Our engineering team can provide a free tooling design service and determine the most appropriate reverse gooseneck geometry based on the actual workpiece.

Customization options include:

• Overall tooling height
• Total tooling width
• Reverse gooseneck depth
• Clearance area
• Tip width
• Tip radius
• Punch angle
• Tooling length
• Flange clearance
• Special relief structures
• Machine-specific mounting dimensions
• Customized upper and lower tooling sets

For U-shaped products, we can also analyze the bending sequence, flange height, workpiece clearance, punch interference, and final dimensional requirements before manufacturing.

This enables us to design tooling specifically for the customer's actual U-profile rather than simply selecting a standard punch.