Side Body Outer Stamping Die

Cold Stamping Die Maintenance & Refurbishment

Regular maintenance and timely refurbishment are essential for maximizing cold stamping die life and maintaining part quality. Hebei Haoxinran Machinery provides comprehensive die maintenance and refurbishment services for all types of cold stamping dies.

Preventive Maintenance

Routine preventive maintenance prevents major issues and extends die life:

• Regular Cleaning: Removing accumulated metal fines, oil, and debris from die surfaces and guides.

• Lubrication: Proper lubrication of guide pillars, bushings, cam surfaces, and wear plates.

• Fastener Inspection: Checking and re-torquing die bolts to prevent loosening.

• Wear Component Check: Inspecting springs, gas springs, and wear plates for condition.

• Part Quality Monitoring: Regular inspection of stamped parts to detect early signs of die wear.

Refurbishment Services

When dies show signs of wear or performance decline, our refurbishment services include:

• Trim Steel Re-grinding: Restoring cutting edge geometry on trim steels and punches.

• Wear Plate Replacement: Replacing worn wear plates and strips to restore material flow surfaces.

• Guide Component Replacement: Replacing worn guide pillars, bushings, and gibs.

• Surface Repair: Welding and grinding out die damage such as dents, galling, and score marks.

• Die Alignment Check: Measuring and adjusting die alignment and shut height.

• Clearance Reset: Re-establishing proper clearances after regrinding and repair.

Common Die Problems We Fix

We diagnose and resolve various die performance issues:

• Increasing burr height on trimmed edges

• Wrinkling or splitting in draw operations

• Part distortion and springback issues

• Surface scratches and die marks on parts

• Increased press tonnage requirement

• Uneven part quality across production runs

• Premature failure of punches and trim steels

When to Refurbish vs. Replace

Our technicians help you make the cost-effective decision:

• Refurbish: When wear is localized and die geometry is still sound.

• Replace Components: When wear parts (springs, guides, trim steels) are at end of life.

• Major Rebuild: When die shows multiple wear points or has been refurbished several times.

• New Die: When repair costs exceed a reasonable percentage of new die cost, or when the die design needs updating.

Haoxinran supports stamping operations with both maintenance services and new die manufacturing. Contact us to discuss your die refurbishment needs.