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Angle Bead / Net Wall Angle Roll Forming Line
Table of Contents
- Definition
- Typical process flow
- Technical parameters
- High-speed vs low-speed press tiers
- Applications
- Related machines
- Buyer FAQ
- References
1. Definition
An angle bead / net wall angle roll forming line produces perforated or mesh-style metal corner beads for plaster and gypsum finishing. The line combines servo feeding, press punching (mesh), leveling, roll forming, hydraulic shear, and exit — it is not a standard C / U / T keel mill.
Industry perforated corner-bead lines follow the same idea: punch first (or in sync), then form the L / V angle so plaster can key through the holes.
2. Typical process flow
- Decoil
- Servo feed
- Press punch mesh / perforations
- Secondary leveling
- Roll form the wall angle
- Hydraulic cut-to-length
- Exit
3. Technical parameters
| Item | Typical value |
|---|---|
| Forming main power | About 3 kW |
| Hydraulic power | About 3 kW |
| Transmission | Gear drive |
| Flange example (high-speed class) | About 50 × 50 mm |
| Thickness example (high-speed class) | About 0.35–0.75 mm |
| Low-speed size examples | About 25 × 25 / 30 × 30 mm on one machine when tooling allows |
Thickness and flange follow the contract drawing — do not lock a single universal gauge.
4. High-speed vs low-speed press tiers
The main difference between high-speed and low-speed packages is the press and die package, not a totally different forming logic. High-speed examples cite about a 40T press with press motor about 4 kW and high stroke rates (proposal-dependent). Forming host power stays in the about 3 kW class on both tiers.
5. Applications
- Plaster / gypsum external and internal corner protection strips
- Drywall finishing systems that need perforated legs for compound keying
- Not a substitute for partition stud / track production
6. Related machines
- Wall stud / CU partition — different product; do not paste angle-bead kW onto stud quotes
- Equal-leg perforated angle bead — sibling family when legs and punch rate differ
- Angle steel punch line — L-angle punching equipment, not net wall angle
- Ceiling wall angle in a T-grid set — perimeter trim for suspended ceilings; confirm separately from plaster net bead
7. Buyer FAQ
Is this a wall keel machine?
No. It is a custom / specialty net angle bead line.
Why is press power separate from forming kW?
Mesh punching is a press duty. Forming and hydraulic shear sit on their own about 3 kW class motors in the documented package.
Does high-speed change the forming host?
Usually not. High-speed vs low-speed mainly changes the press/die investment; forming host logic stays similar — confirm the named tier.
Is ceiling perimeter wall angle the same machine?
Not by default. T-grid wall angle is a suspended-ceiling perimeter trim; plaster net bead is a punch-then-form corner protection path. Quote them separately.
Final ratings follow the confirmed technical proposal for the named press tier. Price and lead time are out of scope.
References
- Technical FAQ for Angle Bead / Net Wall Angle Roll Forming Line
- FAQ — not a wall keel: Wall angle roll forming with punch
- FAQ — press vs forming duty: Perforated corner bead punch-then-form sequence
- FAQ — high/low speed press: Perforated corner bead process overview
- FAQ — vs ceiling wall angle: T-grid kit includes separate wall-angle machine