Kitchenware Trimming & Edge Rolling Process | Post-Stamping Finishing Technology
Release time:2026-07-10
Following hydraulic precision stamping and deep drawing, stainless steel kitchenware often features uneven edges, residual material and sharp burrs. These minor post-stamping defects affect product safety, aesthetics and subsequent welding quality. For this reason, trimming and edge rolling are essential finishing steps to standardize edge shape, remove burrs and strengthen cookware structure.
1. What Is Trimming & Edge Squaring?
Trimming is the process of cutting off irregular leftover edges after deep drawing to unify rim height, ensure consistent dimensions and deliver smooth, burr-free edges. It corrects edge distortion and guarantees precise tolerances for later welding and assembly.
2. Two Custom Trimming Processes
We adopt targeted trimming solutions based on cookware shape and plate thickness to ensure optimal finishing results.
Rotary Trimming (Round Soup Pots & Round Cookware)
Ideal for cylindrical stainless steel pots, high-speed rotary trimming evenly levels pot mouths and removes stretching burrs along the circular contour. It delivers smooth, uniform round edges while maintaining perfect circular symmetry for deep-drawn round kitchenware.
Lathe Shear Trimming (Square Pots & Thick-Gauge Cookware)
Specially designed for square and thick stainless steel cookware, this process precisely cuts and levels four straight edges. It effectively eliminates thick residual material and stamping deformation, ensuring neat, straight and dimensionally stable square outlines.
3. Edge Rolling & Flanging
After trimming, all products undergo professional edge rolling and flanging to boost safety and structural performance.
Pot Mouth Curled Rolling
Sharp trimmed rims are rolled into smooth round curled edges. This anti-cut design improves user safety, reinforces pot mouth rigidity and delivers a premium finish for final polishing.
Pot Bottom Inner & Outer Flanging
Custom inner or outer bottom flanging provides standard welding margins for bottom sealing. It ensures flat assembly, firm seamless welds and excellent leak-proof performance, greatly enhancing overall cookware durability.
4. Process Benefits
Our professional trimming and edge rolling processes perfectly complement hydraulic stamping production. They unify batch product dimensions, eliminate sharp edges, strengthen structural stability and optimize welding precision, laying a solid foundation for high-quality stainless steel kitchenware finished products.
Conclusion
Trimming and edge rolling are key post-stamping finishing procedures. With shape-specific trimming and standardized flanging technology, we eliminate forming defects, standardize product specifications and ensure safe, durable and high-precision stainless steel kitchenware for global customers.
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