Reliable Precision Subcontractor for Tool Shops
Tungsten Carbide Precision Punch by PG Profile Grinding
Tungsten Carbide Precision Punch by PG Profile Grinding
As a professional precision punch manufacturer, we produce high-quality tungsten carbide punches using advanced PG profile grinding processes. This manufacturing method allows us to achieve excellent dimensional accuracy, consistent profiles, and superior surface finish, meeting the strict requirements of modern stamping and forming applications.
PG profile grinding is especially suitable for punches with complex contours, stepped features, tight corner radii, and high precision fitting areas. Compared with conventional machining or EDM-only processes, PG grinding delivers better edge definition, improved surface quality, and stable repeatability from part to part.
We choose Tungsten carbide as material because its exceptional hardness, wear resistance, and dimensional stability, making it ideal for punches of progressive dies, precision stamping tools, and high-volume production environments.
As an experienced precision punch manufacturer, we support prototype development as well as small-to-medium batch production.
🔧 Punch Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Precision Punch / Die Punch |
| Manufacturing Process | PG Profile Grinding |
| Material | Tungsten Carbide (WC) |
| Dimensional Tolerance | ±0.001 mm |
| Profile Accuracy | ≤ 0.001 mm |
| Flatness | ≤ 0.001 mm |
| Parallelism | ≤ 0.001 mm |
| Perpendicularity | ≤ 0.002 mm |
| Surface Roughness | Ra 0.2 – 0.4 μm |
| Edge Condition | Sharp & burr-free (PG ground) |
| Corner Radius | As per drawing (min R0.02 mm achievable) |
| Hardness | HRA 88 – 92 (Carbide grade dependent) |
| Punch Length Range | Customized per drawing |
| Punch Width / Thickness | Customized per drawing |
| Applicable Standards | Customer drawing / Internal QC standard |
| Heat Treatment | Not required for carbide |
| Surface Treatment | As ground (Coating optional) |
| Inspection Method | Optical profile projector, CMM, micrometer |
| Production Type | Custom / Non-standard |
| Batch Size | Prototype to small & medium batch |
| Drawing Format Accepted | PDF, DWG, DXF, STEP |
All punches are manufactured strictly according to customer drawings. Tolerances, materials, and surface finish can be adjusted based on application requirements and stamping conditions.
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