01 — Press System
400 Ton Four Column Hydraulic Press Machine
The 400-ton four-column hydraulic press engineered for extra high-density CSEB clay bricks delivers heavy-duty compaction force in a fully automated production line. By eliminating thermal kiln firing through high mechanical pressure, it converts raw soil mixtures into ultra-strong structural building products.
Use Case
Engineered for maximum industrial throughput, this fully automated system yields 30,720 extra high-density Compressed Stabilized Earth Bricks per 8-hour shift. Utilizing a cold-forming process with 14 to 28 days of water curing, it drastically reduces thermal energy requirements and carbon emissions compared to traditional kilns.
Core Details
- Core Applications: Structural load-bearing wall construction, high-rise masonry work, partition walls, and sustainable eco-friendly developments.
- Material: Optimized blend of 60–70% clay/soil, 15–25% fly ash, 8–12% cement or lime binder, mixed with water and admixtures.
- Typical Products Processed: Standard high-density earthen masonry bricks measuring 228 × 104 × 75 mm.
- Brick Compressive Strength: Extra high-density structural performance ranging from 12 to 15 MPa.
- Why 400 Ton Hydraulic Press? Exerts massive, uniform mechanical pressure to compact raw soil matrices intensely, completely eliminating internal voids to achieve superior 12–15 MPa compressive strength and precise dimensional uniformity without thermal firing.
02 — Technical Specifications
SM 400 HP – HYDRAULIC PRESS MACHINE COMPLETE TECHNICAL DATA
The SM 400 HP is an automated 400-ton four-column hydraulic press engineered for manufacturing extra high-density Compressed Stabilized Earth Bricks (CSEB). It provides extreme compaction force and high-speed precision control for continuous heavy-duty industrial brick production.
Capacity
- Nominal Pressing Force: 400 Tons (4000 KN)
- Ejection / Lower Cylinder Force: 50 Tons (500 KN)
Structural Design
- Heavy-duty steel plate welded three-beam four-column structure
- Stress-relieved tempered rigid frame for minimum deflection under maximum load
Frame Type: Four-Column / Four-Pillar guide configuration
Hydraulic System
- High-flow integrated cartridge valve system designed for smooth pressure buildup and minimum shock
- High-pressure oil cylinders equipped with forced air or oil cooling units
Main Ram Stroke: 550 mm
Working Hydraulic Pressure: 25 MPa
Daylight Gap: 850 mm
Approach Speed: 120 mm/Sec to 150 mm/Sec
Pressing / Drawing Speed: 6 mm/Sec to 12 mm/Sec
Return Speed: 100 mm/Sec to 130 mm/Sec
Bed / Platen Size Platen: 1500 × 900 mm
Columns: 4 solid forged alloy steel guide pillars with hard chrome plating
Working Envelope: 1500 × 900 × 850 mm
Control System: Advanced Programmable Logic Controller (PLC) with human-machine touch interface screen
Main Motor Power: 30 kW / 40 HP
Valves & Hydraulics: Low-noise hydraulic pump block with integrated manifold valves and short connection piping
Automation: Fully automated continuous cycle operation including automatic feeding, hydraulic pressing, and automatic brick ejection
Safety Features: Dual-hand activation safety controls, photo-electric light curtain safety barrier, emergency stop button, and overload pressure relief valves
SM 400 HP — Model Specifications
- Nominal Force: 4000 KN
- Maximum Hydraulic Pressure: 25 MPa
- Max Opening Height of the Slider: 1250 mm
- Max Stroke of the Slider: 800 mm
- Effective Bed Size: 1260 × 1160 mm
- Slider Down Speed: 100 mm/s
- Slider Pressing Speed: 7–12 mm/s
- Slider Return Speed: 100 mm/s
- Ejector Cylinder Nominal Force: 400 KN
- Stroke of the Ejection Cylinder: 300 mm
03 — Die / Mold System
Precision 21 Cavity CSEB Clay Bricks Die Mold Engineering
The precision 21-cavity die mold is engineered to maximize output on the 400-ton hydraulic press by forming 21 extra high-density CSEB clay bricks simultaneously per cycle. It distributes massive compaction pressure evenly across all cavities to produce structural bricks with razor-sharp edges and exact dimensional consistency.
Technical Specifications (Tooling)
Die Type: 21 Cavity Mold
- Cavity Layout: 21 individual precision cavities arranged in a balanced multi-row matrix
- Brick Dimensions Processed: 228 × 104 × 75 mm
Die Materials
- Core Steel: Premium high-chromium D2 cold work alloy tool steel
- Surface Hardening: Vacuum heat-treated with nitriding and carburizing for maximum abrasion resistance
Tool Configuration & Construction
- Assembly Type: Heavy-duty modular block frame with interchangeable wear plates and punch heads
- Stripping Unit: Synchronized hydraulic bottom ejection mechanism guided by hardened pillars
Key Tooling Features
- Fast-change modular liner plates for minimal maintenance downtime
- Micro-venting air escape channels to prevent trapped air pockets during high-tonnage compaction
Alignment Accuracy
- Machine Tolerance: High precision guided within 0.01 mm to 0.03 mm
- Parallelism Control: Uniform hydraulic load distribution across all 21 mold cavities
Surface Finish
- Cavity Polish: High-grade mirror finish with surface roughness Ra below 0.2 mm to 0.4 mm
- Ejection Performance: Non-stick ultra-smooth walls ensuring smooth damage-free brick stripping
Tool Life
- Production Rating: 600000 to 1200000 pressing cycles before major re-conditioning or liner replacement
Precision 21 Cavity CSEB Clay Bricks Die Mold
04 — Product Application
Where Extra High Density CSEB Clay Bricks Are Used
Extra High Density Compressed Stabilized Earth Bricks (CSEB) provide superior structural strength exceeding 12 to 15 MPa for heavy-duty load-bearing masonry applications. Their low water absorption and ultra-dense structure make them an eco-friendly alternative to high-grade fired clay or concrete blocks.
Industry Applications
Heavy Load-Bearing Multi-Story Structural Walls
With impressive compressive strength reaching 12 to 15 MPa, these extra high-density earth bricks comfortably support primary structural wall loads in multi-story residential and commercial buildings without relying on reinforced concrete framing.
High-Durability Exterior Exposed Brickwork
The dense compaction virtually eliminates internal voids, granting high moisture resistance and weather durability that prevents erosion, efflorescence, and spalling on exposed exterior facades without needing external plastering or protective coatings.
Commercial Infra Infill & Structural Enclosures
Extensively deployed for high-spec perimeter walls, retaining structures, and industrial infill panels where strict dimensional accuracy and rapid installation are critical for reducing labor and mortar consumption.
Green Building & Eco-Certified Housing Projects
Ideal for sustainable urban developments, eco-resorts, and carbon-neutral housing projects requiring high thermal mass performance and low embodied energy while fulfilling modern structural safety codes.
Finished Product Gallery
05 — Key Advantages
Why Choose the 400-Ton Sinter Hydraulic Press
The 400 Ton Sinter Hydraulic Press offers maximum compaction force for manufacturing extra high density Compressed Stabilized Earth Bricks without energy-intensive kiln firing. It delivers superior structural strength, environmental sustainability, and low production costs, making it ideal for large-scale green construction projects.
Ultra-High Compressive Strength
Delivers extreme mechanical pressing force to achieve compressive strengths of 12 to 15+ MPa, making the unfired CSEB bricks fully suitable for high-load-bearing structural masonry.
Eco-Friendly Energy Savings
Eliminates thermal kiln firing to drastically reduce fuel consumption, lowering total energy costs and reducing carbon emissions by up to 80% compared to traditional clay brick plants.
High-Speed Automated Output
Features a fully automated PLC-controlled system that ensures rapid, continuous cycle times to maximize operational productivity and maintain consistent brick output.
Superior Dimensional Accuracy
Ensures precise mold compaction with minimal tolerance deviation, resulting in perfectly uniform brick dimensions that streamline site masonry work and reduce mortar usage.
Resource-Efficient Material Flexibility
Efficiently processes diverse local raw materials including natural clay, soil, fly ash, quarry dust, and industrial mineral by-products with minimal stabilizer requirements.
Low Operating and Maintenance Costs
Built with a heavy-duty four-column framework and integrated hydraulic cartridge manifolds to minimize mechanical wear, extend operational life, and lower overall maintenance expenses.