रैक शेल्फ पैनल रोल फॉर्मिंग उत्पादन लाइन: 1–3 हेम, पंचिंग और रिब्स के लिए कॉन्फ़िगर कैसे करें

A rack shelf panel looks simple, but production is not. Once you move from a basic profile to double hem or triple hem edges, the roll forming line becomes a different project. Add holes, slots, keyholes, or stiffening ribs, and the configuration must be planned from the first station—otherwise you get poor edge quality, unstable […]