QT8-15 Block Machine
What is the QT8-15 Block Machine?
The QT8-15 block machine is a heavy-duty, fully automatic hydraulic concrete block making machine designed for high-volume commercial production. Utilizing a synchronized combination of multi-source directional vibration and high-pressure hydraulics, this machine compacts raw materials into uniform, high-density construction products.
Parameter / FeatureSpecificationMachine TypeFully Automatic Hydraulic Concrete Block MachineForming MethodHydraulic Pressure + Vertical Directional VibrationApplicable Raw MaterialsSand, Crushed Stone, Cement, Fly Ash, Slag, Construction RefuseProduct CapabilityHollow Blocks, Solid Bricks, Interlocking Pavers, Curbstones
Key Benefits of Fully Automatic Operation
Fully automatic operation maximizes throughput while delivering consistent, high-grade output across every production shift.
Maximum Productivity: Fast molding cycles significantly increase daily brick yield to easily meet large-scale commercial demand.
Lower Operational Costs: Automated feeding, distribution, and stacking drastically reduce manual labor requirements and labor overhead.
Superior Product Density: High hydraulic pressure combined with vibration ensures superior compressive strength and precise structural dimensions.
Smart PLC Control: Digital touch-screen management provides real-time monitoring, auto-fault diagnosis, and seamless operational reliability.
Main Features of QT8-15 Concrete Block Making Machine
We engineered the QT8-15 block machine to deliver reliable high-volume production, maximum operational efficiency, and rock-solid durability. Here are the core technical features built into this line.
Advanced Hydraulic and Vibration System
Our system combines synchronized high-frequency vibration with dynamic hydraulic pressure to guarantee optimal concrete compaction and high block density.
Synchronized Vertical Vibration: Delivers uniform structural density across every block produced.
Proportional Valve Hydraulics: Controls oil pressure and flow dynamically, protecting mechanical components while smoothing operation.
Rapid Molding Cycle: Achieves rapid high-density compaction in just 15 to 20 seconds.
PLC Intelligent Control and Automation
We integrate advanced smart controls into every QT8-15 block machine to minimize labor overhead and maximize production control.
System ComponentCore BenefitSiemens PLC TouchscreenUser-friendly visual interface for precise parameter adjustments and production tracking.Self-Diagnostic LogicInstantly alerts operators to system faults, slashing machine downtime.Remote Maintenance SystemEnables rapid software updates and remote technical troubleshooting worldwide.
Durable Structure and Energy Efficiency
Built for continuous heavy-duty work, this platform balances long-term frame strength with strict energy-saving performance.
Heavy-Duty Steel Frame: High-strength, heat-treated structural steel resists severe vibration and prevents frame deformation.
Energy-Saving Servo Motors: Delivers instant power during vibration cycles while cutting electricity consumption.
Carburized Molds: Precision-machined, heat-treated molds dramatically extend wear life and ensure exact block dimensions.
QT8-15 Technical Parameters and Specifications
Understanding the exact engineering data of our QT8-15 block machine helps you plan your factory layout, power connections, and overall daily yield with precision.
Overall Dimensions and Power Consumption
We design the QT8-15 concrete block machine with a compact, heavy-duty steel frame that maximizes space efficiency while delivering reliable continuous performance.
ParameterSpecificationMain Host Dimensions5,200 × 2,200 × 3,000 mmTotal Line Power~52 kW (Main Host: 37 kW)Standard Voltage380V / 50Hz (Customizable 220V–480V for local power grids)Total Machine WeightApprox. 11,500 kg
Molding Cycle and Hydraulic Pressure
Speed and high-density compaction define the QT8-15 block machine performance. Proportional hydraulic valves deliver dynamic force and precise control across every cycle.
Molding Cycle Time: 15–20 seconds per drop.
Hydraulic System Pressure: 16–21 MPa.
Vibration Frequency: 2,800–4,500 r/min.
Excitation Force: 80–100 kN.
Pallet Dimensions and Raw Material Specs
Our QT8-15 block machine handles a wide range of aggregate mixtures and standard pallet options to produce ultra-durable blocks.
Pallet Dimensions: 1,100 × 870 × 25–30 mm (Compatible with fiber, bamboo, or steel pallets).
Effective Forming Area: 1,000 × 800 mm.
Supported Raw Materials: Crushed stone, sand, cement, fly ash, slag, and recycled construction waste (grain size under 10 mm).
Block Compressive Strength: 5.0–30.0 MPa (Adjustable via mix ratio).
QT8-15 Block Production Capacity
We designed our QT8-15 block machine to maximize daily output while maintaining high structural density. By optimizing hydraulic pressure and fast cycle times, this production line delivers heavy-duty, commercial-grade performance across every shift.
Hollow Block Output Capacity
When manufacturing standard concrete hollow blocks, the QT8-15 block machine delivers steady yield with minimal downtime.
Standard Block Size: 400 × 200 × 200 mm
Pieces per Mold: 8 blocks
Molding Cycle Time: 15–18 seconds
Hourly Output: ~1,920 blocks
Yield per Shift (8 Hours): ~15,360 blocks
Solid Brick Yield per Shift
For high-volume infrastructure projects, our solid brick molds utilize pallet space efficiently to boost daily output.
Standard Brick Size: 240 × 115 × 53 mm
Pieces per Mold: 42 bricks
Molding Cycle Time: 15–20 seconds
Hourly Output: ~8,400 to 10,080 bricks
Yield per Shift (8 Hours): ~67,000 to 80,000 bricks
Color Paving Block Production
Equipped with an optional face-color feeding system, the QT8-15 block machine produces bright, wear-resistant interlocking pavers and curbstones for landscape applications.
Standard Paver Size: 200 × 100 × 60 mm
Pieces per Mold: 24 pavers
Molding Cycle Time: 18–22 seconds
Yield per Shift (8 Hours): ~35,000 to 40,000 pavers
Product TypeDimensions (mm)Pcs / MoldShift Output (8 Hours)Hollow Block400 × 200 × 2008~15,360 pcsSolid Brick240 × 115 × 5342~67,000 – 80,000 pcsColor Paver200 × 100 × 6024~35,000 – 40,000 pcsCurbstone1000 × 300 × 1502~1,200 – 1,600 pcs
Main Components of QT8-15 Block Production Line
A high-yield QT8-15 block machine relies on a fully synchronized, automated system to achieve maximum daily output. Every piece of equipment in our setup ensures continuous material flow, consistent density, and high-efficiency operation.
PLD Concrete Batching Machine
The batching system handles raw aggregates like sand, crushed stone, slag, and fly ash with precise weight control. Accurate material ratios are essential for producing high-strength concrete blocks.
Automated Weighing: Integrated load-cell sensors deliver precise dosing for consistent mix quality.
Multi-Bin Design: Configured with 2 to 4 storage bins to manage different aggregate sizes easily.
Continuous Feeding: Automatically feeds raw materials into the mixer to maintain uninterrupted production.
JS750 Twin-Shaft Concrete Mixer
We pair the QT8-15 block machine with the heavy-duty JS750 twin-shaft concrete mixer to deliver fast, uniform blending for stiff and semi-stiff concrete mixes.
Thorough Blending: Twin horizontal shafts provide intense forced mixing, preventing material segregation.
Wear-Resistant Build: Fitted with high-chromium alloy blades and thick liners to handle abrasive raw materials.
Fast Discharge System: Hydraulic discharge gates speed up cycle times between mixing batches.
Automatic Block Stacker Machine
The automatic stacker streamlines the back end of the production line by grabbing and stacking block-loaded pallets directly from the main machine conveyor.
Labor Reduction: Cuts down manual handling costs while keeping pace with high-speed molding cycles.
Product Protection: Smooth, vibration-free hydraulic lifting prevents structural damage to freshly molded green blocks.
High-Density Stacking: Stacks pallets up to 4 or 5 tiers high for efficient forklift retrieval and curing transfer.
Types of Blocks Produced by QT8-15 Machine
We designed the QT8-15 block machine for maximum production versatility. By simply changing the heavy-duty molds, a single machine allows you to meet diverse market demands—from residential housing to major municipal infrastructure.
Concrete Hollow Blocks
Concrete hollow blocks are the foundation of modern building construction, providing lightweight structural strength, thermal insulation, and excellent soundproofing.
Standard Sizes: Easily produce 2-core and 3-core hollow blocks (400×200×200mm, 400×150×200mm, 400×100×200mm) and custom wall units.
Uniform Quality: High hydraulic pressure ensures consistent wall thickness, sharp corners, and high load-bearing capacity.
Solid Cement Bricks
For load-bearing walls, heavy foundations, and structural framing, the QT8-15 machine manufactures dense, high-strength solid cement bricks.
High-Density Compaction: Powerful vibration and pressure yield high compacting density and low water absorption rates.
Mass Yield: The large mold table area allows maximum brick output per cycle, dramatically reducing per-unit labor and energy costs.
Paving Blocks and Curbstones
Expand into municipal landscaping and public works with high-margin pavers and heavy-duty road curbstones.
Interlocking & Eco-Pavers: Produce zigzag pavers, permeable grass blocks, and heavy driveway blocks built to handle traffic loads.
Dual-Layer Face Mix: Add an optional color face feeding system to manufacture vibrant, wear-resistant colored paving stones.
Road Curbstones: Mold durable, weather-resistant highway edges, garden borders, and municipal curbstones.
FAQ: QT8-15 Block Machine Price and Shipping
The factory price for a complete QT8-15 block machine typically ranges from $35,000 to $70,000, depending on your specific configuration and production requirements. We provide direct factory pricing to give you the highest return on investment.
Several key factors determine the final production line cost:
Automation Level: Fully automated configurations with PLC controls cost more upfront but significantly reduce labor overhead.
Line Components: Adding optional equipment like PLD batching machines, JS750 mixers, or automatic stackers.
Mold Customization: Standard hollow block molds are included, while specialized paving block or curbstone molds add to the initial setup cost.
Electrical & Hydraulic Options: Premium brand upgrades (such as Siemens PLCs or Schneider electricals) affect the base price.
We export and deliver the QT8-15 concrete block making machine worldwide with complete logistics support.
Service AreaShipping & Setup DetailsPackagingWaterproof plastic film wrapping for the main frame; solid wooden cases for PLC panels and hydraulic valves.Container RequirementA complete production line typically fits inside one 40ft HQ container.Delivery TimeStandard manufacturing and factory testing take 20 to 30 days.On-Site InstallationWe dispatch certified engineers for site setup, testing, and operator training.
Our engineering team manages the process from initial site layout planning to final block production, ensuring your factory operates at peak efficiency from day one.
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