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1. Product Overview
This product is a 12-point hot heading upper die, a core mold component developed by Yuntai Precision for high-load fastener forming scenarios. It is suitable for the hot heading forming process of 12-point special-shaped fasteners. With high-hardness materials and precision machining technology, it can stably achieve efficient forming of complex structures.
2. Core Material
This mold adopts a composite material combination to balance hardness and toughness:
· Working Area (Inner Hole Forming Part): Made of tungsten steel (cemented carbide) with a super-high hardness of HRA 90 or above. It can withstand high temperatures and high impact forces during hot heading, ensuring forming accuracy.
· Base Part: Made of H13 hot work die steel, which has excellent thermal fatigue resistance and toughness. It effectively disperses stress during the forming process and prevents mold cracking.
3. Precision Machining Technology (Yuntai’s Technical Advantages)
Relying on Kunshan Yuntai’s precision machining capabilities, the mold achieves high precision and long service life:
· Inner Hole Forming: The 12-point inner hole is processed by wire EDM (electrical discharge machining) to ensure the consistency of the 12-point structure’s tooth profile and dimensional accuracy.
· Surface Treatment: The inner hole area is first highly polished, then treated with titanium plating. This greatly reduces friction resistance during fastener forming, improves surface wear resistance, and extends the mold’s service life by more than 30%.
4. Application Scenarios
This mold is mainly used in the production of high-spec fasteners in the aerospace field. It can form key connectors such as 12-point head bolts and nuts, meeting the strict requirements for strength, precision, and reliability of aerospace components.
5. Maintenance
To ensure stable use and long service life of the mold:
· Before Use: Check whether the titanium plating layer of the inner hole is intact to avoid operation with damage.
· During Use: Control the hot heading temperature within the process range (recommended ≤1100°C) to prevent material performance degradation due to overheating.
· After Use: Timely clean residual metal chips in the inner hole, wipe the surface with special anti-rust oil, and store it in a dry and ventilated environment.
· Regular Maintenance: It is recommended to inspect the dimensional accuracy of the inner hole after producing 50,000 parts. Perform polishing repair if necessary.
1. Product Overview
This product is a 12-point hot heading upper die, a core mold component developed by Yuntai Precision for high-load fastener forming scenarios. It is suitable for the hot heading forming process of 12-point special-shaped fasteners. With high-hardness materials and precision machining technology, it can stably achieve efficient forming of complex structures.
2. Core Material
This mold adopts a composite material combination to balance hardness and toughness:
· Working Area (Inner Hole Forming Part): Made of tungsten steel (cemented carbide) with a super-high hardness of HRA 90 or above. It can withstand high temperatures and high impact forces during hot heading, ensuring forming accuracy.
· Base Part: Made of H13 hot work die steel, which has excellent thermal fatigue resistance and toughness. It effectively disperses stress during the forming process and prevents mold cracking.
3. Precision Machining Technology (Yuntai’s Technical Advantages)
Relying on Kunshan Yuntai’s precision machining capabilities, the mold achieves high precision and long service life:
· Inner Hole Forming: The 12-point inner hole is processed by wire EDM (electrical discharge machining) to ensure the consistency of the 12-point structure’s tooth profile and dimensional accuracy.
· Surface Treatment: The inner hole area is first highly polished, then treated with titanium plating. This greatly reduces friction resistance during fastener forming, improves surface wear resistance, and extends the mold’s service life by more than 30%.
4. Application Scenarios
This mold is mainly used in the production of high-spec fasteners in the aerospace field. It can form key connectors such as 12-point head bolts and nuts, meeting the strict requirements for strength, precision, and reliability of aerospace components.
5. Maintenance
To ensure stable use and long service life of the mold:
· Before Use: Check whether the titanium plating layer of the inner hole is intact to avoid operation with damage.
· During Use: Control the hot heading temperature within the process range (recommended ≤1100°C) to prevent material performance degradation due to overheating.
· After Use: Timely clean residual metal chips in the inner hole, wipe the surface with special anti-rust oil, and store it in a dry and ventilated environment.
· Regular Maintenance: It is recommended to inspect the dimensional accuracy of the inner hole after producing 50,000 parts. Perform polishing repair if necessary.
