The AAC block machine serves as the cornerstone of modern lightweight concrete manufacturing plants. By integrating advanced German cutting technology with energy-efficient hydraulic systems, QGM Block Machine ensure dimensional accuracy within ±1 mm, significantly reducing raw material waste.
An AAC block machine is an automated production system designed to manufacture AAC blocks, panels, and other lightweight building materials. By processing raw materials—such as cement, lime, fly ash (or sand), gypsum, and aluminum powder—through stages including proportioning, mixing, casting, gas generation (expansion), cutting, and high-pressure steam curing, the equipment produces innovative wall materials characterized by their lightweight nature, high strength, and excellent thermal insulation, soundproofing, and fire-resistant properties.
For manufacturers of building materials, concrete product enterprises, and suppliers of prefabricated construction components, investing in advanced, durable AAC block processing equipment is essential for ensuring large-scale, highly efficient, and standardized production of lightweight wall materials.
QGM’s AAC block molding machine features a robust welded frame and a fully automated PLC control system; operators can easily adjust slurry density, pouring speed, and block height via a user-friendly touchscreen interface.
The equipment accommodates various mold sizes and utilizes in-line temperature and viscosity sensors to ensure precise, stable gas-generation and expansion times.
The design prioritizes smooth production cycles and low maintenance requirements, ensuring the production of green bodies with uniform strength; following autoclave steam curing, the finished products exhibit excellent compressive strength.
The AAC block machine transforms raw materials into lightweight concrete blocks that meet construction standards through multiple automated production stages:
|
Production Stages |
Process |
|
Raw Material Processing |
Batching and pre-treatment of raw materials such as sand, cement, lime, and fly ash |
|
Automatic Batching and Mixing |
Precise control of raw material ratios to ensure slurry uniformity |
|
Casting and Gas Generation |
Pouring the mixed slurry into molds, where a chemical reaction creates a uniform cellular structure |
|
Static Curing and Pre-curing |
Allowing the green body to reach the appropriate hardness for cutting |
|
Precision Cutting |
Processing into standard-sized blocks using cutting equipment |
|
High-Pressure Steam Curing |
Curing in an autoclave to enhance product strength and stability |
|
Finished Product Packaging |
Automated conveying and stacking for easy transport and subsequent construction use |
● Fully automatic batching and mixing control with recipe memory for up to 50 different density settings
● High-frequency vibration-free pouring system that eliminates air pockets and ensures homogeneous slurry distribution
● Horizontal cutting frame with tungsten carbide wires, accuracy ±0.5 mm across the entire cake length
● Integrated tilting mould transport car with hydraulic positioning and minimal turntable turnaround time
● Centralized dust extraction and slurry recycling loop, reducing silica powder loss by over 15%
● Compatible with fly ash, sand, and other fine aggregates ranging from 45 to 300 micron fineness
● Automatic mould oil spraying station with adjustable coverage and quick drying formulation
● Steam curing autoclave connection ready – supports saturated steam up to 1.3 MPa, 194°C
| Parameter | Unit | AM-40 | AM-60 | AM-80 |
|---|---|---|---|---|
| Annual capacity (blocks/panels) | m³/year | 40,000 – 50,000 | 55,000 – 65,000 | 75,000 – 85,000 |
| Mould size (length × width) | mm | 4,200 × 1,200 | 4,800 × 1,200 | 6,000 × 1,500 |
| Pouring cycle time | minutes | 4 – 5 | 4 – 5 | 4 – 6 |
| Cutting cycle time | minutes | 5 – 6 | 5 – 6 | 6 – 7 |
| Block dimensional tolerance | mm | ±1.0 | ±1.0 | ±0.8 |
| Total installed power | kW | 160 | 190 | 230 |
| Compressed air consumption | m³/h (0.8 MPa) | 45 | 55 | 65 |
| Steam consumption (autoclave ready) | kg/m³ product | 130 – 150 | 130 – 150 | 130 – 150 |
| Autoclave rail gauge | mm | 600 | 600 | 600 / 900 |
| Control system | – | Siemens S7-1200 PLC | Siemens S7-1500 PLC | Siemens S7-1500 PLC with SCADA |
| Overall line length (typical) | m | 90 – 110 | 110 – 130 | 130 – 150 |
Depending on the mold design and production configuration, it can be used to produce:
✔ AAC blocks
✔ AAC panels
✔ Lightweight concrete blocks
✔ Insulation blocks
✔ Prefabricated construction materials
Among these, AAC blocks are widely used due to their light weight and excellent thermal insulation properties in:
✔ Residential building walls
✔ Commercial building partition walls
✔ Industrial facility envelope structures
✔ Green building projects
✔ Prefabricated construction projects
