💡🔎 𝐃𝐞𝐬𝐢𝐠𝐧 𝐆𝐮𝐢𝐝𝐞: 𝐒𝐡𝐞𝐞𝐭 𝐌𝐞𝐭𝐚𝐥 𝐂𝐮𝐭𝐭𝐢𝐧𝐠 & 𝐁𝐞𝐧𝐝𝐢𝐧𝐠 Designing sheet metal parts requires balancing precision, manufacturability, and cost-efficiency. Here are the key rules to keep in mind: 🔹𝐓𝐡𝐢𝐜𝐤𝐧𝐞𝐬𝐬 𝐬𝐞𝐥𝐞𝐜𝐭𝐢𝐨𝐧 ▪️<1 mm: lightweight covers, decorative parts ▪️1–3 mm: best rigidity/weight ratio (frames, supports) ▪️3–5 mm: structural elements ▪️>5 mm: heavy-duty parts 🔹𝐂𝐮𝐭𝐭𝐢𝐧𝐠 𝐠𝐮𝐢𝐝𝐞𝐥𝐢𝐧𝐞𝐬 ▪️Min distance between cuts: ≥ 0.5–1 × thickness ▪️Hole Ø ≥ 1.5 × thickness ▪️Internal radius ≥ 1 × thickness ▪️Bridges ≥ 1 mm for thin sheets 🔹𝐁𝐞𝐧𝐝𝐢𝐧𝐠 𝐠𝐮𝐢𝐝𝐞𝐥𝐢𝐧𝐞𝐬 ▪️Min inner bend radius: Steel ≥ 1 × thickness / Aluminium ≥ 1.5 × thickness / Stainless steel ≥ 2 × thickness ▪️Flange width ≥ 4 × thickness ▪️Hole-to-bend distance ≥ 3 × thickness ▪️Space between bends ≥ 3 × thickness 🔹𝐁𝐞𝐬𝐭 𝐩𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬 ✅ Anticipate springback, especially in stainless steel & aluminium ✅ Avoid tight consecutive bends & sharp corners ✅ Define bend lines & radii directly in CAD ✅ Apply only functional tolerances (±0.5 mm / ±1°) 🔹𝐅𝐢𝐧𝐢𝐬𝐡𝐢𝐧𝐠 𝐨𝐩𝐭𝐢𝐨𝐧𝐬 ▪️Functional: deburring, passivation, galvanizing ▪️Aesthetic: anodizing, polishing, powder coating ▪️Safety: edge rounding, shot blasting 👉 Following these rules ensures better quality, lower costs, and reliable sheet metal parts. #SheetMetal #MetalFabrication #CNC #LaserCutting #Bending #Manufacturing #EngineeringDesign #ProductDevelopment #Prototyping #MechanicalEngineering #DesignForManufacturing #Metalworking #IndustrialDesign #Fabrication #PrecisionEngineering
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