Technical Capability & Precision
| Engineering Metric | Detail Specifications | Industrial Standard |
| Hole Diameter Range | $0.5\text{ mm} - 200\text{ mm}$ (Customizable) | High Versatility |
| Material Thickness | $0.2\text{ mm} - 15\text{ mm}$ | Heavy-Duty Capacity |
| Clearance Accuracy | $\pm 0.005\text{ mm}$ | Minimal Burr Formation |
| Punch Tip Geometry | Flat, Shear, or Rooftop | Optimized for Tonnage |
| Lubrication System | Self-lubricating / Oil Mist | Low Friction |
Material Selection & Performance
Punch Material: SKH-51 (High-Speed Steel), Tungsten Carbide, or ASP-23.
Hardness: $HRC 60 - 64$ (depending on work material).
Coating Options: TiCN (Titanium Carbo-Nitride), AlCrN, or DLC (Diamond-Like Carbon).
Stroke Life: Guaranteed $500,000$ to $1,500,000$ strokes under proper maintenance.
Core Advantages
I. Precision Clearance Optimization
The secret to a long-lasting punching mold is the perfect clearance between the punch and the die. We use software simulations to calculate the exact gap based on your material's tensile strength and thickness, effectively eliminating the common issue of "slug pulling" and secondary burrs.
II. Advanced Shear Angle Design
To reduce the required tonnage on your press, we incorporate custom shear angles (like rooftop or concave grinds) on the punch face. This "slicing" action reduces noise, vibration, and energy consumption, allowing you to punch thicker materials on lighter presses.
III. Rapid Changeover Compatibility
In modern lean manufacturing, downtime is the enemy. Our punching dies are designed with quick-change mechanisms (Ball-lock or Jektole® systems), enabling your operators to swap out worn punches in minutes without removing the entire die set from the bolster.
IV. Cryogenic Stress Relief
Every component of our mold undergoes vacuum heat treatment followed by cryogenic stabilization. This deep-freezing process transforms retained austenite into martensite, ensuring the mold maintains its dimensions even after millions of high-speed impacts.
Applications
Automotive: Structural brackets, seat frames, and body panels.
Electronics: Heat sinks, PCB shielding, and connector terminals.
Energy: Solar panel mounting holes and battery cell casings.
HVAC: Venting grilles, ductwork components, and chassis holes.
FAQ for SEO
Q: How do you choose the right punch material for stainless steel? A: For stainless steel punching, we typically recommend Powder Metallurgy steels like ASP-23 or Tungsten Carbide with a TiCN coating. These materials offer the high galling resistance needed to handle the work-hardening nature of stainless steel.
Q: Can you manufacture punching molds for non-ferrous metals? A: Absolutely. We customize the cutting edges and clearances specifically for aluminum, copper, and brass to prevent material buildup on the punch tip and ensure a smooth surface finish.
Q: What information is needed for a custom mold quote? A: We require your 2D/3D part drawings, the type and thickness of the material being punched, and the specifications of your press machine (tonnage and shut height).
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