V20 30° Single-V Press Brake Lower Die for Acute-Angle Bending

This V20 30° press brake lower die uses a single-V structure designed for sheet metal forming applications requiring a sharp acute-angle groove with increased forming clearance.

The illustrated configuration features a 20 mm V-opening, 30° die angle, 90 mm overall height, 75 mm effective height and 35 mm body width, with a rated load capacity of 55 ton/m.

In this configuration, the 35 mm body width is also the main load-bearing section width, providing a wide and stable supporting structure around the V-groove during bending.

The combination of the V20 opening and 30° groove angle makes this lower die suitable for very acute-angle air bending, pre-bending and multi-stage forming applications.

Compared with smaller 30° V-opening dies, the V20 opening offers greater forming clearance and is suitable for applications requiring a larger bending radius or broader workpiece geometry.

30° V-Groove for Very Acute-Angle Forming

The 30° die angle is intended for applications where the sheet must be formed to a very acute intermediate angle.

Typical forming requirements can include:

• Very acute-angle air bending
• Pre-bending
• Multi-stage forming
• Hemming preparation
• Sharp flange forming
• Forming with springback allowance
• Customized sheet metal profiles

The final tooling geometry should be selected according to the material grade, sheet thickness, required bending angle, inside radius, flange dimensions and forming process.

V20 Opening for Greater Forming Clearance

The 20 mm V-opening provides more clearance through the forming zone than smaller V8, V10, V12 or V16 openings in the same 30° tooling family.

This allows the V20 configuration to retain the sharp 30° groove geometry while accommodating applications requiring more space around the workpiece during forming.

Different V-openings can be manufactured according to the required bend radius, sheet thickness and component geometry.

Full-Width Load-Bearing Structure

For this configuration:

Body Width: 35 mm
Load-Bearing Section Width: 35 mm

The supporting body beneath the V-groove therefore uses the full tool width as its main load-bearing section.

The load-bearing width, body geometry and mounting structure can also be customized according to the required load capacity and machine configuration.

Custom Effective Tool Height

The illustrated lower die has a 90 mm overall height and 75 mm effective working height.

The effective height is not limited to 75 mm. WYS Machinery can customize the lower die according to the customer's:

• Press brake configuration
• Upper tooling height
• Machine daylight
• Existing tooling combination
• Clamping system
• Required working height

This allows the lower die to be integrated into different tooling systems and bending applications.

Key Features

• Single-V press brake lower die
• V20 / 20 mm V-opening
• 30° very acute-angle groove
• 90 mm overall height
• 75 mm effective height
• 35 mm body width
• 35 mm load-bearing section width
• 13.5 mm bottom mounting width
• Approx. R2 radius geometry
• 55 ton/m rated load capacity
• Suitable for very acute-angle bending
• Suitable for pre-bending
• Suitable for multi-stage forming
• Suitable for hemming preparation
• Greater forming clearance than smaller V-openings
• Full-width load-bearing structure
• Custom V-opening available
• Custom die angle available
• Custom effective height available
• Custom edge geometry available
• Custom tooling length and segmentation
• Custom lower-die mounting interface

Technical Specifications

Typical Applications

This V20 30° single-V lower die is suitable for:

• Very acute-angle sheet metal bending
• Pre-bending operations
• Multi-stage press brake forming
• Hemming preparation
• Precision flange bending
• Components requiring acute intermediate forming angles
• Stainless steel sheet components
• Mild steel sheet components
• Electrical cabinet components
• Sheet metal enclosures
• Machinery sheet metal parts
• Customized metal forming applications

The appropriate tooling configuration should be selected according to the material grade, sheet thickness, required bend angle, inside radius, flange dimensions and required bending force.

Standard & Custom Options

The V20 30° lower die shown on this page represents one typical configuration only.

WYS Machinery can customize the:

• V-opening
• die angle
• overall height
• effective working height
• body width
• load-bearing section width
• radius geometry
• edge dimensions
• tool length
• segmentation
• load capacity
• bottom mounting profile
• positioning structure
• clamping interface

Single-V, double-V, multi-V and other customized lower die structures can also be manufactured according to customer requirements.

Compatible Press Brake Tooling Systems

WYS Machinery can manufacture lower dies for different press brake brands, tooling standards and clamping systems.

Available configurations include:

TRUMPF Type, WILA Type, LVD Type, Bystronic Type, Amada / Promecam Type, European Type and other customized press brake tooling systems.

The lower-die mounting structure shown in the drawing is only one available configuration.

The bottom mounting interface, positioning geometry, overall height, effective height, body width and die cross-section can all be adapted according to the customer's machine.

Customers can provide a press brake model, existing tooling drawing, tooling cross-section, tooling sample or workpiece drawing for technical evaluation.

Custom V-Opening, Angle and Edge Geometry

The V20 opening and 30° die angle shown here are one available specification rather than fixed limitations.

Different V-openings and die angles can be manufactured according to:

• Material type
• Sheet thickness
• Required bending angle
• Required inside radius
• Minimum flange dimension
• Material springback
• Required bending force
• Press brake configuration

The radius geometry, shoulder profile, edge dimensions and load-bearing body structure can also be customized according to the application.

Custom Press Brake Tooling Design Service

Customers who do not already know the required lower-die specification can provide their:

workpiece drawing, sheet material, material thickness, required bending angle and press brake model.

Our engineering team can evaluate the forming process and recommend an appropriate tooling configuration.

The lower die can then be manufactured with the required V-opening, angle, height, effective height, width, radius, tool length and mounting structure.

Why Choose WYS Machinery

WYS Machinery manufactures standard and customized press brake punches, lower dies and sheet metal bending tooling for different forming applications.

Our lower tooling capabilities include:

• Single-V lower dies
• Double-V dies
• Multi-V dies
• 30° acute-angle dies
• Custom-angle lower dies
• Small and medium V-opening dies
• Segmented tooling
• Customized effective heights
• Customized load-bearing sections
• Special lower-tool profiles
• Custom mounting interfaces
• Replacement tooling for different press brake systems
• Tooling designed according to customer workpiece drawings

This allows customers to obtain tooling matched to both their press brake interface and actual sheet metal forming requirements.