Typical Angle Bead Line Process: Punching Net Pattern Then Roll Forming

1. Process purpose

Produce perforated / net-type metal corner beads so plaster can key through the mesh.

Punching is integral — not an afterthought bolted onto a plain angle mill. This is a specialty finishing profile, not standard C/U/T keel forming.

High-speed and low-speed tiers share this same route; they differ mainly in press and tooling, not in the basic step order.

2. Route steps

1. Uncoiling
2. Servo feeding into the press zone
3. Press punching — net / perforation pattern
4. Secondary leveling
5. Roll forming the wall angle / corner bead
6. Hydraulic shear to length
7. Exit

Industry perforated corner-bead lines describe the same punch-then-form (or synchronized punch/form) idea. Flange size and thickness follow buyer drawings confirmed in the proposal.

3. Speed-tier note

Do not treat press stroke rate as a universal public SPM without a named proposal.

4. Boundaries

• Not an L-angle punch-only line without the forming route
• Not a drywall C stud or U track mill
• Not a ceiling T-grid wall-angle kit piece (different product family)

5. Inquiry checklist

• Net pattern / flange drawing and thickness band
• High-speed vs low-speed press tier
• Whether tooling is included or sourced separately
• Confirm this is plaster net bead — not T-grid wall angle
• Cut length range and stacking preference

6. Buyer FAQ

Can I skip the press and punch later?

Not for net bead product quality — hole alignment to the formed legs is part of the line design.

Is high-speed just a faster forming mill?

No. Reference docs state the main difference is press capacity and tooling cost; forming host logic stays similar.

Same as a drywall C stud process?

No. Angle bead is punch-mesh then form the corner — not partition C stud forming.