The ZTRFM Combi Plate Roll Forming Machine is specifically designed to manufacture high-strength Combi Plates for use with Split Set Rock Bolts and Friction Stabilizers in underground mining, tunneling, and slope stabilization projects.
As modern ground support systems continue to demand stronger and more efficient reinforcement components, mining companies require reliable production equipment capable of delivering consistent plate quality, accurate dimensions, and high forming efficiency. Therefore, ZTRFM developed this advanced roll forming solution to meet the growing demand for mining support accessories worldwide.
This machine can produce different styles of Combi Plates, including welded and pressed combinations of dome plates and strata plates. In addition, it supports customized dimensions and hole sizes according to various friction bolt specifications.
What Is a Combi Plate?
A Combi Plate is a reinforced combination support plate used with Split Set Rock Bolts or Friction Bolts. It usually combines a heavy-duty domed plate with a larger strata plate to increase the contact area against the rock surface.
Compared with ordinary bearing plates, a combi plate provides:
- Better load distribution
- Stronger ground support
- Improved mesh holding performance
- Higher resistance to rock deformation
- Easier installation underground
Applications in Mining and Ground Support Industries
Combi plates produced by this machine are widely used together with Split Set Rock Bolts and Friction Bolts for underground support systems.
In practical applications, the plate increases the support area against the rock surface while helping secure welded mesh and safety screens. Furthermore, some combi plates include suspension slots for ventilation pipes, cables, and underground lighting systems.
Typical applications include:
- Underground hard rock mining
- Coal mining support systems
- Tunnel reinforcement projects
- Slope stabilization engineering
- Infrastructure ground support
Because immediate frictional support is critical in these environments, combi plates play an essential role in improving underground safety and structural stability.
Main Structure of the Combi Plate Roll Forming Machine
The Combi Plate Roll Forming Line integrates several automated processes into one efficient production system. As a result, manufacturers can achieve stable production with reduced labor costs and improved consistency.
The complete production line usually includes:
- Hydraulic decoiler
- Servo feeding system
- Punching unit
- Roll forming section
- Hydraulic pressing station
- Cutting system
- Automatic stacking table
Moreover, the machine adopts durable forming rollers and precision guiding systems to ensure smooth operation and accurate plate shaping.
For mining support manufacturers producing large quantities of Split Set accessories, this automated system significantly improves production capacity while maintaining excellent product quality.
Common Combi Plate Specifications
The machine can manufacture multiple sizes and thicknesses according to project requirements.
| Item | Typical Specification |
|---|---|
| Bottom Plate Size | 280 × 300 mm |
| Dome Plate Size | 150 × 150 mm |
| Plate Thickness | 1.5–2.0 mm |
| Dome Thickness | 4–5 mm |
| Hole Diameter | 36 / 42 / 49 mm |
| Surface Finish | Black / Pre-Galv / HDG |
| Combination Type | Pressed or Welded |
| Application | Mining & Tunnel Support |
In addition, ZTRFM also provides OEM customization services for special profiles and non-standard dimensions.
Advantages of ZTRFM Combi Plate Forming Equipment
The ZTRFM production line is engineered for heavy-duty industrial applications. Therefore, it delivers reliable performance even under continuous operation conditions.
High Production Efficiency
The fully automatic system reduces manual handling and improves production speed for mass manufacturing.
Accurate Forming Performance
Precision roller stations guarantee uniform plate profiles and stable hole positioning.
Flexible Customization
The machine supports different combi plate designs, including flat plates, domed plates, and reinforced mining support plates.
Durable Machine Structure
Heavy welded frames and premium hydraulic systems ensure long service life and stable operation.
Lower Production Cost
By automating punching, forming, and cutting processes, manufacturers can reduce labor expenses and material waste.
As a professional manufacturer of cold roll forming machines, ZTRFM provides customized solutions for mining support equipment and steel profile production lines.
Our advantages include:
- Professional engineering team
- Rich overseas project experience
- Customized machine design
- Stable machine quality
- Complete technical support
- Fast after-sales service
In addition, we help customers optimize production efficiency and reduce operating costs through intelligent automation technology.
Whether you produce Combi Plates, Bearing Plates, or other mining support components, ZTRFM can provide a reliable and efficient roll forming solution tailored to your production needs.
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