Product description：
Material- Stainless steel
Finish-polish
Custom Deep-Drawn Rectangular Enclosure (Single-Stage Draw & Trim)
This custom deep-drawn rectangular enclosure showcases Kailai’s expertise in handling high-difficulty metal forming challenges. Manufactured using a high-tonnage single-stage drawing process followed by precision trimming, this component is engineered to overcome common structural vulnerabilities associated with one-hit rectangular draws, such as sidewall bowing, corner cracking, and bottom wrinkling.
Technical Profile & Manufacturing Solutions
Anti-Bowing Sidewall Stabilization During a single-stage draw, uneven material flow and shifting moment arms often cause the long sidewalls to suffer from springback or bowing upon die release. Kailai eliminates this by optimizing the die land layout and clearance. This effectively balances residual stress during the instantaneous draw, ensuring perfectly flat, vertical, and rigid sidewalls that meet strict assembly tolerances.
Split-Resistant Top Corner Form The top radius (R-angle) faces severe instantaneous tensile stress during a single-hit draw, making it highly susceptible to thinning and cracking. Our engineering team utilizes precisely calculated blank geometry and optimized die radii to ensure smooth, uniform material flow into the cavity, preventing localized strain and guaranteeing structural integrity at the upper corners.
Wrinkle-Free Bottom Radius Optimization Achieving a deep draw in one hit requires precise blank holder force management; otherwise, excess material accumulation at the bottom corners typically results in wrinkling. By calibrating the press cushion pressure and maintaining ultra-precise tooling clearances, Kailai suppresses wrinkling defects, achieving a perfectly smooth bottom surface.
Precision Trimming & Integrated Punching Following the single-stage draw, the component moves directly to automated high-precision trimming and punching. This ensures clean, burr-free edges and side/bottom holes, rendering the part fully ready for downstream electronics housing or mechanical assembly.
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