How to extend the life of stamping dies? 3 key maintenance tips
Stamping die service life directly impacts production efficiency and costs. Scientific maintenance is critical for extending die life, especially for SKD11/CR12MOV dies used in stainless steel stamping. Here are 3 key maintenance tips:
1. Daily Cleaning & Lubrication
Cleaning: Clean die cavity, punch and guide rail after each shift. Remove chips and oxide scales with a soft brush or air gun.
Lubrication: Use anti-adhesion and anti-oxidation lubricants for SKD11/CR12MOV dies. Apply lubricant evenly to punch-die contact surfaces before startup.
Note: Do not use corrosive cleaning agents.
2. Regular Inspection & Repair
Inspection: Conduct a full check every 5,000 stamping cycles. Check punch head, die edge and positioning pins for wear, deformation or micro-cracks.
Repair:
Polish minor wear with diamond paste to restore smoothness;
Repair small cracks by argon arc welding, then reheat-treat for consistent hardness;
Replace severely damaged parts immediately.
3. Storage & Idle Maintenance
Rust Prevention: Clean idle dies thoroughly, apply anti-rust oil and wrap with anti-rust paper before storage.
Storage: Place dies vertically on dedicated shelves. Store in dry environments with humidity below 60%.
Idle Check: Inspect anti-rust state every 3 months. Reapply anti-rust oil if needed.
Conclusion
Scientific maintenance can extend SKD11/CR12MOV die service life by over 20%. Our team offers maintenance guidance and custom die solutions. Contact us for details.
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Hengshui Dongmo Precision Metal Products Co., Ltd.
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