When bending long sheets of metal, press brake deflection becomes unavoidable. As the ram pushes down, both the upper and lower beams can flex slightly—causing the middle of the part to bend less than the edges. That’s where crowning systems come in.
🧱 What Is a Crowning System?
A crowning press brake system automatically or manually adjusts the bed of the machine to counteract deflection. It slightly raises the center portion of the die to ensure uniform pressure distribution across the entire bend length.
There are two main types:
1. Mechanical Crowning
Uses adjustable wedges or shims
Cost-effective and reliable
Common in entry- to mid-level press brakes
2. Hydraulic Crowning
Integrated with CNC system
Automatically adjusts compensation per bend
Ideal for high-precision or variable-thickness jobs
✅ Why Crowning Matters
Consistent angles across the full part length
Eliminates trial-and-error and shimming
Speeds up production for large parts
Essential for parts over 1.5m in length
As a trusted Machnist manufacturer, we offer both manual crowning tables and CNC hydraulic crowning systems, depending on the model and customer needs. Our smart crowning integrates directly with Delem, ESA, and Cybelec controllers to auto-calculate needed adjustments.
If you want high repeatability and low rejection rates—especially in stainless steel cabinets, doors, or panels—a crowning system is your silent hero.
Whether you need a cost-effective manual option or full CNC automation, Machnist supplier solutions have you covered.