Double Roller Sand Making Machine DR Series

The DR Series Double Roller Sand Making Machine is engineered to deliver reliable crushing performance, offering a highly efficient solution for processing various raw materials into consistent, uniform sand particles. Designed with a focus on operational stability, energy conservation, and long-term durability, this equipment is an ideal investment for procurement professionals seeking to optimize their production lines while keeping maintenance costs strictly controlled.

By integrating advanced high-pressure grinding technology with highly wear-resistant materials, the DR Series ensures consistent output quality even in demanding and abrasive environments. Furthermore, its environmentally conscious design and optional smart control features provide operators with a modern, reliable, and easy-to-manage crushing solution that meets strict international standards.

High-Pressure Double Roller Sand Making Machine Advantages & Features

1. High-Efficiency Sand Production & Customizable Output

At the core of the DR Series is its ability to utilize two highly synchronized, high-strength rollers to effectively crush and shape raw materials—such as granite, basalt, and limestone—into well-graded, uniform sand particles. To accommodate diverse project requirements, the machine features a highly precise adjustable roller gap ranging from 0.1–5mm. This flexibility ensures that operators can easily customize the output size, guaranteeing high adaptability and a consistent yield that aligns closely with specific production demands.

2. Superior Wear Resistance for Lower Maintenance Costs

Equipment durability is a critical factor in reducing total cost of ownership. The rollers on this machine are manufactured from industrial-grade tungsten carbide or high-chromium alloy, materials renowned for their exceptional hardness and extended durability in highly abrasive environments. Additionally, the design incorporates easily replaceable roller sleeves. This intelligent structural choice significantly minimizes equipment downtime during routine servicing and drastically reduces long-term maintenance costs, providing reliable continuous operation.

3. Advanced High-Pressure Grinding Technology

The DR Series leverages advanced high-pressure grinding technology, generating a powerful interparticle crushing force of 50–300 N/mm². This substantial force not only improves the overall sand yield but also optimizes power usage, effectively reducing energy consumption by 20–30% when compared to conventional crushing equipment. Furthermore, this intense pressure produces beneficial micro-cracks within the processed particles, which significantly enhances downstream grinding efficiency and improves the overall performance of the production line.

4. Eco-Friendly Design with Low Dust & Noise Pollution

Meeting modern environmental and safety regulations is essential for continuous plant operation. The machine features a fully enclosed structural design integrated with a highly effective dust suppression system, ensuring that operations strictly meet ISO environmental standards. In addition to dust control, the smooth and balanced rolling operation significantly minimizes mechanical vibration. As a result, operational noise is kept strictly below 75 dB, creating a safer, cleaner, and more compliant working environment for all personnel.

5. Smart Control System for Predictive Maintenance (Optional)

To further reduce operational risks and enhance management efficiency, the DR Series offers an optional IoT-enabled Smart Control System. This advanced setup provides real-time monitoring of critical parameters, including roller pressure, operating temperature, and component wear levels, enabling highly effective predictive maintenance. Coupled with an automated gap adjustment mechanism powered by a responsive hydraulic system, this smart technology minimizes the need for manual intervention, ensures precise continuous operation, and protects the equipment from unexpected breakdowns.

The following table outlines the detailed technical specifications of the DR Series Double Roller Sand Making Machine. Please refer to the parameters below to select the appropriate model based on your specific requirements for feed size, processing capacity, and power configuration.

The DR Series Double Roller Sand Making Machine is engineered for versatile material processing across multiple industrial sectors. By delivering precise particle size control and handling varying material hardness levels, this equipment supports diverse operational requirements—from standard aggregate production to specialized mineral recovery. Understanding these application scenarios can help operations select the right configuration to optimize yield, ensure end-product consistency, and reduce overall processing costs.

1. Artificial Sand Production

Concrete Sand Manufacturing: Produces well-graded, cubical-shaped sand (0.1–5mm) specifically designed for ready-mix concrete, prefabricated components, and high-strength construction applications. The consistent particle shape helps reduce cement consumption and improves the overall workability and pumpability of the concrete mix.

Asphalt & Road Base Materials: Generates uniformly graded sand essential for bituminous pavements and highway sublayers. The precise gradation ensures optimal compaction, enhancing the load-bearing capacity, rutting resistance, and longevity of road infrastructures.

Dry-Mix Mortar: Provides fine aggregates with strictly controlled low moisture content, which is crucial for premium masonry and plastering mortars. This consistency minimizes shrinkage and cracking risks in final building applications, ensuring reliable adhesion.

2. Mining & Mineral Processing

Ore Pre-Crushing: Effectively reduces iron, copper, and gold ores to a fine 1–5mm size before entering the ball milling stage. This pre-crushing capability significantly unloads the mill, improving overall grinding efficiency by 15–25% and lowering power consumption for large-scale mining operations.

Diamond and Kimberlite Crushing: Capable of handling ultra-hard materials with compressive strengths up to 300MPa. The specialized roller mechanism ensures effective size reduction without introducing metal contamination, protecting the integrity and value of precious minerals during extraction.

Industrial Mineral Processing: Designed to crush limestone for cement manufacturing, quartz for glass production, and feldspar for ceramics. The equipment ensures a tight particle size distribution, which is critical for maintaining stability in downstream thermal and chemical processing.

3. Recycling & Waste Valorization

Steel Slag Reprocessing: Transforms challenging metallurgical slag into usable 0–3mm construction sand. This process achieves 90%+ utilization rates, helping facilities convert industrial waste into profitable secondary materials while reducing landfill dependency and disposal costs.

Construction Waste Recycling: Converts demolished concrete and bricks into recycled aggregates that can meet EN 12620 compliance standards. This supports sustainable construction initiatives and provides a reliable, cost-effective source of secondary aggregates for urban development projects.

Tailings Sand Production: Processes mine tailings to recover usable fine particles. The processed material can be repurposed for underground mine backfill or other secondary construction uses, mitigating environmental impact and lowering long-term storage risks.

4. Specialty Applications

Foundry Sand Preparation: Produces high-purity silica sand meeting AFS 40–100 specifications required for precision casting molds. The controlled crushing action minimizes dust generation, ensuring a clean, highly permeable, and consistent media for foundries.

Abrasive Material Processing: Suitable for crushing garnet, corundum, or silicon carbide used in blasting and surface preparation media. The machine maintains the necessary angularity of the particles, which is vital for effective abrasive performance in industrial cleaning and cutting.

Battery Raw Materials: Prepares critical energy transition minerals, such as spodumene (lithium ore) and graphite. By achieving strict particle size parameters, it helps optimize downstream chemical extraction and purification processes essential for modern battery manufacturing.

1. Q: Is AXSON a direct manufacturer or a trading company?

A: AXSON is a direct manufacturing factory. We handle the complete production process of our Double Roller Sand Making Machines, ensuring strict quality control, reliable equipment performance, and competitive pricing for our clients.

2. Q: What is the warranty policy for your equipment?

A: We provide a 12-month warranty for the main equipment, starting from the Bill of Lading (B/L) date. Additionally, we offer a 6-month warranty for spare parts (please note that standard wear parts are excluded from this coverage).

3. Q: What are your standard payment terms?

A: Our standard payment terms require a 30% deposit via T/T (Telegraphic Transfer). The remaining 70% balance is payable before shipment or against the copy of the Bill of Lading (B/L).

4. Q: Do you provide on-site installation and technical support?

A: Yes, AXSON can dispatch experienced engineers to your project site to provide installation guidance, commissioning, and operational training. Please note that the client is responsible for covering all associated on-site costs, including accommodation, meals, and interpreter services.

5. Q: What is the estimated delivery time for an order?

A: For standard equipment currently in stock, shipment can be arranged within 7 to 10 days. For custom configurations or made-to-order production, the standard lead time is approximately 30 days.

6. Q: Can you provide turnkey solutions for complete crushing and sand-making plants?

A: Absolutely. We offer comprehensive end-to-end solutions, ranging from initial plant design to final commissioning, backed by full technical support. Our team has successfully executed numerous mining and aggregate production projects both domestically and across overseas markets.

7. Q: How can I select the most suitable equipment model for my project?

A: To help our engineering team recommend the best equipment configuration for your needs, please confirm the following operational details:

• Type of material: What ore or stone will be processed? (e.g., granite, limestone, gold ore)
• Feed size: What is the maximum input size of your raw material? (in millimeters)
• Finished product size: What is the required output size? (in millimeters)
• Production capacity: What is your target processing volume? (in tons per hour)

8. Q: Do you offer customized components and optional configurations?

A: Yes, we provide extensive customization options to meet specific project environments and requirements. This includes tailored engine configurations, specialized screening media, custom painting, and various optional equipment packages to optimize your production line.

9. Q: Why should we choose AXSON as our equipment supplier?

A: Beyond delivering reliable, high-quality, and cost-effective machinery, partnering with us ensures you receive:

• Customized engineering solutions tailored to your exact operational and project needs.
• Professional, end-to-end service from initial consultation to long-term after-sales support.
• A dedicated, detail-oriented, and highly responsible technical team focused on your success.
• 24/7 continuous support to help minimize downtime and ensure smooth, stable operations.