TRUMPF Type Size I RO20 Round Punch & Die Tooling
TRUMPF Type Size I RO20 round punch and die tooling for precision sheet metal hole punching. The RO20 sample represents a Ø20 mm round punching profile and demonstrates our manufacturing capability for TRUMPF Type punch tooling. Different round diameters, corresponding lower dies, die clearances and special punching profiles can be customized according to customer drawings, sheet material and thickness.
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Description
The TRUMPF Type Size I RO20 Round Punch & Die Tooling is designed for precision round-hole punching in sheet metal fabrication applications using TRUMPF-style Size I tooling systems.
The tooling shown on this page is an RO20 round punch and corresponding lower die manufactured as a representative sample of our punch tooling capability. In the tooling designation, RO represents a round profile, while 20 indicates a nominal punching diameter of 20 mm. Therefore, RO20 is designed to produce a nominal Ø20 mm round hole, subject to the required tooling configuration and die clearance.
The RO20 specification shown here is an example rather than a limitation of our manufacturing range. Different round diameters, lower die clearances and special punching profiles can be manufactured according to customer requirements.
Key Features
- Designed for TRUMPF Type Size I / Size 1 punch tooling systems
- RO20 sample represents a Ø20 mm round punching profile
- Punch and corresponding lower die tooling available
- Precision-machined circular cutting geometry
- Suitable for precision round-hole punching
- Different round punch diameters can be customized
- Lower die clearance can be matched to sheet material and thickness
- Round punch or complete punch-and-die configurations available
- Square, rectangle, obround and special-shaped tooling also available
- Custom tooling can be manufactured according to customer drawings
- Suitable for standard and customized sheet metal punching applications
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Round Punch & Die Tooling |
| Tooling System | TRUMPF Type Punch Tooling |
| Tool Size | Size I / Size 1 |
| Sample Profile | Round |
| Shape Code | RO |
| Sample Size | RO20 |
| Nominal Punching Diameter | Ø20 mm |
| Other Diameters | Customizable |
| Lower Die | Available |
| Die Clearance | Customized according to material and thickness |
| Other Profiles | Square, Rectangle, Obround & Special Shapes |
| Custom Tooling | Available according to drawing |
| Application | Precision Round-Hole Sheet Metal Punching |
What Does RO20 Mean?
RO20 is the tooling designation for the round punching profile displayed on this page.
The specification can be understood as:
- RO – Round profile
- 20 – Nominal diameter of 20 mm
- Nominal punching profile – Ø20 mm
Round punching tools are among the most commonly used tooling profiles in sheet metal fabrication because circular holes are required in a wide range of industrial components.
The Ø20 mm specification shown here is only one example. Other round diameters can be manufactured according to customer requirements.
Round Punch Tooling for Sheet Metal
Round punches are widely used to produce mounting holes, connection holes, cable openings, ventilation features and other circular openings in sheet metal components.
During punching, the round punch and lower die work together as a matched tooling system. The punch shears the material along its circular cutting edge while the corresponding die opening provides the necessary clearance for the punching process.
Accurate punch diameter, die geometry and appropriate clearance are therefore important factors in obtaining consistent round-hole punching results.
Our TRUMPF Type Size I round tooling can be supplied according to the customer's required diameter and application.
RO20 Punch and Lower Die Configuration
For an RO20 punching application, the punch provides the nominal round profile while the lower die is manufactured with the appropriate opening and clearance.
Customers can provide:
- Required hole diameter
- Sheet material
- Sheet thickness
- Punch specification
- Required die clearance
- Workpiece drawing
Based on these parameters, the corresponding punch and lower die configuration can be manufactured for the application.
Custom Die Clearance
Die clearance is not a fixed value for every RO20 application.
The appropriate clearance depends on factors such as sheet material and material thickness. Therefore, two customers requiring the same nominal Ø20 mm punched hole may use different lower die specifications depending on their actual processing conditions.
We can manufacture the corresponding lower die with customized clearance according to the customer's sheet material and thickness.
This customization capability is also available for other round diameters and non-round punching profiles.
Custom Round Punch Sizes
The RO20 / Ø20 mm size is only the sample displayed on this page.
Different round punching diameters can be manufactured according to customer requirements, making it possible to match the tooling to the actual hole dimensions required by the component.
Customers can specify the required diameter directly or provide a component drawing for tooling design.
Custom round punch tooling can be produced for different:
- Hole diameters
- Sheet materials
- Material thicknesses
- Die clearances
- Sheet metal applications
Standard & Custom Punching Profiles
In addition to RO round tooling, we manufacture TRUMPF Type punching tools in a wide range of standard and special profiles.
Common options include:
- RO – Round
- SQ – Square
- RE – Rectangle
- OB – Obround / Oblong
- Slot profiles
- Polygonal profiles
- Keyhole-type profiles
- Notching profiles
- Irregular contours
- Special-shaped punching profiles
For non-standard sheet metal components, customers can provide a DXF, CAD drawing or finished-part drawing. The corresponding punch and die geometry can then be manufactured according to the required feature.
Typical Applications
TRUMPF Type Size I round punch tooling can be used for producing circular holes in:
- Electrical cabinets and switchgear
- Control panels
- Sheet metal enclosures
- Machinery covers and guards
- Equipment housings
- HVAC components
- Metal cabinets
- Mounting plates
- Metal brackets
- Automotive sheet metal components
- Industrial equipment panels
- Custom fabricated sheet metal parts
The RO20 Ø20 mm round punch shown here can be used where a 20 mm circular punching profile is required, while other diameters can be customized for different product designs.
Custom TRUMPF Punch Tooling from Your Drawing
The RO20 tooling shown on this page represents only one example of our custom TRUMPF Type punch tooling manufacturing capability.
Customers are not limited to the Ø20 mm diameter displayed in the photographs.
For a customized application, customers can provide the required hole dimensions or send us a DXF, CAD or finished workpiece drawing, together with the sheet material and thickness.
Based on the application, we can manufacture the corresponding punch and lower die with the required profile, dimensions and die clearance.
From standard round holes to square, rectangular, obround and complex special-shaped profiles, customized punch tooling solutions are available for different sheet metal punching requirements.
