1. Definition & Issues (The "Why")

In the fastener manufacturing industry, molds must withstand extreme compressive stress and continuous high-speed friction. Tooling buyers often face critical hurdles:

• Sudden Die Failure: Internal stresses or inadequate material toughness leading to catastrophic cracking during high-impact operations.

• Rapid Cavity Wear: Dimensional drift in bolts and screws occurs too quickly, leading to high scrap rates and frequent tool changes.

• Material Galling: High friction causes workpiece material to adhere to the die, resulting in surface defects and premature tool degradation.

Vina CNC eliminates these risks with our Superior Strength series – utilizing micro-grain Carbide alloys and advanced vacuum heat treatment to enhance fatigue resistance by 200-300%.

2. Technical Classification (The "How")

• Main Dies: High-density Carbide cores encased in shock-resistant steel sleeves for maximum pressure stability.

• Precision Punches: Engineered profiles to minimize stress concentration, preventing neck breakage during heading.

• Materials: Premium imported Tungsten Carbide (HRA 88-92) for exceptional hardness and toughness.

• Surface Integrity: Mirror-polished cavities and PVD coating options to minimize friction and prevent material buildup.

3. Technical Advantages (The "Proof")

• Longevity: Capable of multi-million cycle operations with zero cavity deformation.

• Consistency: Maintaining part dimensional tolerances strictly at ±0.01mm throughout the tool life.

• Metrology: 100% verification of concentricity and material microstructure using 3D CMM and spectroscopic analysis.

4. Contact Information

• Company: Vina CNC Professional Services

• Hotline: +84 904609889

• Email: vinacnc.us@gmail.com

• Address: Bac Ninh, Vietnam.