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RP903
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Product Introduction
The RP903 is a paver designed for extreme working conditions and top standards. It not only surpasses in size and power, but also sets a new industry benchmark in stability, intelligence and construction quality. For super-large projects that pursue ultimate efficiency and impeccable flatness, the RP903 is undoubtedly the strategic equipment.
Product Advantage
Ultimate paving capacity: 9-meter ultra-wide one-time molding, greatly reducing longitudinal joints, significantly enhancing the overall road surface flatness and construction efficiency.
Top-notch flatness performance: Equipped with multiple intelligent control technologies, it ensures extremely high and uniform flatness even on an extremely wide width.
Unparalleled stability: The super-strong structural rigidity, heavy-duty chassis and advanced hydraulic system ensure absolute working stability under wide-width and heavy-load conditions.
Intelligent construction: Integrating "unmanned" construction interfaces and intelligent management platforms, it is the core equipment for moving towards smart construction sites and digital transformation.
Technical Parameters
| Item | RP903 |
| dimension | 7150×3000×3950mm |
| Weight | 24.3-27.2t |
| Driving speed | 0-2.6km/h |
| Basic pave width | 3-9m |
| Maximum pave width | 9m |
| Maximum layer thickness | 300mm |
| Maximum paving speed | 16m/min |
| Hopper capacity | 15t |
| Maximum laydown rate | 800t/h |
| Rate power | 162/2000 kw/rpm |
Product Uses
Expressways: Especially the main line surface layer paving of expressways with three lanes or more.
Airport engineering: Large-scale paving for airport runways, aprons and other areas with extremely strict requirements for flatness.
Ports and large squares: Large-scale projects such as container yards, logistics parks, and large squares.
National key projects: Any landmark projects that have the highest requirements for construction period and quality.
Product Operate Guide
Core principles of operation
• Stability: Stable speed, stable material level, stable steering.
Any violent operation on a 9-meter width will be magnified, leading to a disaster of flatness.
• Preview: Plan ahead, prepare ahead, and act ahead.
Super-large equipment has a large inertia and requires an earlier response.
• Clean: Thoroughly clean immediately after construction. Once the huge ironing plate and the material conveying and distribution system are bonded with cold materials, the cleaning workload will be extremely large.
FAQ
Will there be a shortage of materials on both sides?
A: Absolutely not.
RP903 has undergone special enhancement for this purpose:
• Super large material conveying and distribution capacity: Its scraper feeder and screw feeder are specially designed for super large flow rates, with a conveying capacity of over 1,000 tons per hour, which can easily meet the material requirements of 9 meters wide and high thickness spreading.
• Efficient material distribution: The speed of the large-diameter screw distributor can be adjusted steplessly to ensure that the material can be quickly and evenly conveyed from the middle to the most edge on both sides.
• Intelligent material level control: Equipped with multiple sets of ultrasonic material level sensors, it can monitor the material level height throughout the full width range in real time and automatically adjust the feeding speed, fundamentally eliminating the phenomenon of material shortage in the middle or on both sides.
A: RP903 employs multiple technologies to work together to ensure ultra-wide flatness:
1. Super rigid structure: From the basic frame to the telescopic ironing plate, high torsional rigidity serves as the foundation, preventing deformation caused by self-weight or material resistance.
2. Multi-probe leveling system: The traditional 2-probe balance beam can no longer meet the width of 9 meters.
The RP903 adopts a multi-probe (usually 4 or more) ultrasonic balance beam system or a 3D digital leveling system, which can collect data from more points, intelligently calculate and control the posture of the ironing plate, and perfectly overcome the unevenness of the base layer.
3. Constant speed control and power matching: The powerful power reserve and intelligent constant speed control system ensure that the speed remains stable even when the load changes, which is the key to maintaining continuous smoothness.
A: Stricter requirements
• Longer time: At least 40 to 60 minutes must be reserved for preheating to ensure that heat is conducted evenly and completely from the center to the edges.
• Temperature monitoring: An infrared thermometer must be used to measure the temperature at multiple points in the center, on both sides and in the middle of the ironing plate to ensure that the temperature is consistent throughout the entire 9-meter width (140-160°C is recommended), preventing the surface from being roughened or uneven in compaction due to temperature differences.
A: The telescopic operation must be carried out when the machine is in motion, and it is necessary to ensure that the base layer is flat and unobstructed. After daily work, the asphalt material inside the telescopic section must be thoroughly cleaned, and the lubrication condition of the slide rail should be regularly checked.
How stable is it?
A: The RP903 adopts a hydraulic stepless telescopic ironing plate. The base plate width is usually 3 meters, and it can be smoothly extended to 9 meters through hydraulic drive. To ensure absolute stability under ultra-wide working conditions, its ironing plate adopts a reinforced anti-torsion box structure, a thicker telescopic guide sleeve and multiple rigid locking mechanisms. Meanwhile, the ultra-wide heavy-duty track chassis (with track plates typically 600mm wide) provides an extremely low ground pressure ratio and strong support, ensuring the overall operation is as stable as a rock.
What is the maintenance cost?
A: The maintenance process is clear and standardized, not complicated, but has higher requirements
• Convenience design: It adopts a centralized automatic lubrication system. Key maintenance points (such as filter elements and oil inspection ports) are designed to be within easy reach, reducing the labor intensity of daily maintenance.
• Reliability orientation: Although the single cost of high-quality filter elements and other consumables is relatively high, their extremely high reliability and availability rate avoid huge losses caused by downtime due to faults. From the perspective of the entire life cycle, the total cost of ownership (TCO) is more advantageous. Standardized maintenance is the key to controlling costs.
