The Science of Stress Distribution in Cold Forming
The primary challenge in LPG cylinder mould design is the prevention of localized thinning during the high-tonnage draw. Our engineering approach utilizes a Variable Friction Control strategy. By customizing the surface texture of the die radius, we manage the metal flow more effectively than standard polished tools. This results in a product that maintains structural integrity at the critical "elbow" of the cylinder dome.
Key Performance Indicators
Operational Longevity: Utilizing specialized D2 and SKD11 inserts, our dies are rated for continuous high-speed operation with minimal thermal expansion.
Compatibility: Designed for seamless mounting on 500-ton to 1000-ton double-action hydraulic presses.
Maintenance Profile: Features a "Quick-Strip" design, allowing for in-press polishing of the draw ring without complete tool disassembly.
Advanced Manufacturing Workflow
| Phase | Process Detail | Impact on Quality |
| Simulation | AutoForm FEA Analysis | Eliminates wrinkling before the first trial |
| Machining | 5-Axis High-Speed Milling | Guarantees sub-0.02mm tolerance |
| Hardening | Salt Bath Nitriding | Increases surface hardness to HRC 60-62 |
Technical FAQ
Q: How does this mould handle different grades of HP295 or SG295 steel? A: Our tooling features adjustable draw bead inserts. This flexibility allows the operator to fine-tune the clamping force based on the specific yield strength of the raw material coil, preventing fracture.
Q: What is the expected maintenance interval? A: Under standard lubrication protocols, we recommend a visual inspection every 50,000 hits, with minor re-polishing of the drawing radius to maintain the 4% similarity threshold in surface finish quality.
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