Cat® SDX Screed Plate System

Innovative Material Flow

    
• Angular surface provides a kneading action as it passes through the grooves

    

• Tapering flat surface at the back of the plates provides a smooth finished surface

    

• Confined mixing action manipulates aggregates to reduce air voids and increase density while creating a more uniform surface texture

    

• Optimized aggregate structure promotes surface temperature uniformity for more consistent compaction

    

• Enhanced structural integrity minimizes roller shoving for better smoothness

    

• Increased stiffness strengthens unconfined edges, promotes better joint matching

Increased Density and Smoothness

    
• Kinetic mixing action helps increase the bond interface between the asphalt binder and aggregate

    

• Mixing action of the angular plates is designed promote better thermal uniformity for improved compaction characteristics

    

• Increased density can enable compaction to take place on a hotter surface shortening the compaction train

    

• Increased stiffness can lead to better longitudinal edge profiles and higher joint densities due to less lateral movement of the mix when being compacted

    

• Higher densities produced by the screed plates can lead to increased bonus opportunities

Faster Screed Plate Changes

    
• Hardware-free screed plate installation saves time and effort

    

• Tapered blocks integrated into the screed plates fit over the beveled edge of the adapter plates and are held in place with high-temperature silicone retainers that maintain tension for reliable performance

    

• One-time adapter plate install attaches to the screed frame utilizing the existing screed plate orientation

    

• Heating elements attach to the adapter plates

    

• Modular screed plates come in 300 mm (12”) sections that weigh approximately 16 kg (35 lbs.). The plates are interchangeable across the screed width to help maximize wear.

    

• The center screed section consists of 100 mm (4”) plates that weigh approximately 5 kg (12 lbs.). These narrow plates allow for crown at the center of the screed.