High-Pressure Vessel Engineering
The manufacturing of a fire extinguisher body demands absolute precision to ensure user safety during emergency discharge. Our mould design incorporates:
Tapered Wall Control: The die geometry is calibrated to manage "thinning-to-thickening" ratios, ensuring the cylinder base-the most vulnerable area-retains maximum material density.
Anti-Scoring Surface Tech: We implement a super-mirror polish (Ra < 0.1) on the drawing rings, coupled with PVD ion plating, to eliminate micro-scratches that could become stress-concentration points under pressure.
Integrated Necking Stages: The tooling system supports multi-stage necking, allowing for a smooth transition from the cylindrical body to the threaded valve port without compromising material flow.
Technical Specifications
| Safety Engineering Data | Specification Range |
| Cylinder Capacity | 1kg, 2kg, 6kg, 9kg, 12kg (Dry Powder/CO2) |
| Drawing Stages | 3 to 5 Stages (Depending on Height) |
| Material Yield Strength | Optimized for High-Tensile Vessel Steel |
| Wall Thickness Tolerance | ±0.05mm across the Shell |
| Die Insert Material | Tungsten Carbide / Vanadium Alloy Steel |
| Surface Hardness | HV 2000+ (Post-PVD Coating) |
Reliability in Critical Situations
A fire extinguisher mould must do more than shape metal; it must guarantee life-saving performance. Our design process includes Finite Element Analysis (FEA) to simulate the extreme stress of a fire extinguisher's lifecycle. By eliminating grain-structure fatigue during the drawing process, we ensure that the resulting cylinders can endure thousands of pressure cycles. Every die set is delivered with a comprehensive "Pressure-Integrity Map," guiding your operators on the optimal lubrication and press-speed settings for zero-defect production.
Backend SEO Keywords
Note: Safety and vessel-specific keywords, one per line.
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