Reliable Precision Subcontractor for Tool Shops
Custom Stamping Punch – PG Profile Grinding Precision Manufacturing
Custom Stamping Punch – PG Profile Grinding Precision Manufacturing
Custom Stamping Punches for Precision Stamping Die
As a specialized PG profile grinding outsourcing manufacturer, we provide non-standard stamping punches customized strictly according to customer drawings and technical requirements.
Steps：
- Grinding
- EDM (If required)
- Final PG Profile Grinding
Results：
- Accurate External Profiles
- Clean Cutting Edges
- Well-controlled Radius Transitions
PG profile grinding enables precise machining of complex geometries and small features that are difficult to achieve through conventional processes.
Hepha stamping punches are suitable for micro-sized components, special profiles, and tight-tolerance applications. They are commonly used in progressive dies and high-speed stamping operations.
Technical Specifications of Precision Stamping Punch
| Item | Specification |
| Product Type | Custom Stamping Punch |
| Manufacturing Process | CNC Grinding + EDM (Sinker EDM) + PG Profile Grinding |
| Profile Accuracy | ±0.001 mm |
| Dimensional Tolerance | ±0.001 mm (critical profile areas) |
| Minimum Feature Size | ≥ 0.2 mm (depending on geometry) |
| Punch Diameter / Width | Customizable (micro punches down to 2–3 mm available) |
| Punch Length | As per customer drawing |
| Surface Roughness (Ra) | Ra 0.2 – 0.4 μm (PG ground surfaces) |
| Squareness / Parallelism | ≤ 0.002 mm |
| Edge Sharpness | Controlled sharp or radius edge per application |
| Applicable Materials | SKD11 / D2 / DC53 / SKH51 / ASP23 / Carbide (optional) |
| Heat Treatment | Vacuum heat treatment available (upon request) |
| Hardness Range | HRC 58–62 (steel punches, material dependent) |
| Profile Repeatability | High repeatability for replacement punches |
| Customization | Fully custom based on drawings or samples |
| Inspection Method | Optical projector, profile measuring system, micrometer |
| Application | Stamping dies, progressive dies, precision metal forming |
| Lead Time | Depends on complexity and quantity |
Whether for prototype tooling or replacement components, Hepha custom stamping punches provide a reliable solution for mold makers and stamping die manufacturers seeking precision, flexibility, and dependable quality.
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