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Bridge Cutting Machine for Natural Stone & Concrete
QSZQ-1200/1400/1600


Compatible Materials & Products
Cutting granite, marble & stone up to 680mm for slabs
Monument & Tombstone Deep Cutting Without Deflection: The Solution for 500mm+ Monuments
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Mass Curbstone Production: 1 Operator for 3 Dinosaw’s Bridge Cutting Machine
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45° Miter Cutting: Achieving "Zero-Gap" Transitions for High-End Slabs
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Quartz > Dimensional Panels
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Sandstone Architectural Blocks: Dinosaw Bridge Cutting Machine Masters 680mm Depth via Oil-Immersed & Hydraulic Systems
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▶ Saudi Arabia Field Test: Dinosaw Bridge Cutting Machine Slicing High-Hardness "Saudi Red" Granite
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Tombstone Manufacturing
Doubling Production Capacity While Maintaining Craftsmanship
Black and grey granite fabricators cut tombstones with precise vertical cuts and 45° bevels. Production time reduced by 45% with one-time settings. Single operator now manages what required two workers while maintaining quality standards.

Dimensional Stone Slabs
Efficient Processing for Construction Projects
Construction projects use marble and limestone panels cut to precise dimensions. Machine processes materials up to 680mm thick. PLC system achieves 30% faster completion and 25% less waste. Simple programming makes operation accessible to less experienced staff.

Curbstone Production
Accelerating Municipal Infrastructure Projects
Municipal projects need consistent basalt and granite curbstones. Machine cuts blocks up to 680mm height with precise angles. Hydraulic system ensures stable positioning while PLC controls cutting sequence. Manufacturers achieve 40% higher output with fewer rejections.

Specs and options
Specifications customizable upon request.
| Model | Unit | QSZQ - 1200 | QSZQ - 1400 | QSZQ - 1600 |
|---|---|---|---|---|
| Max.diameter of blade | mm | 1200 | 1400 | 1600 |
| Max.lifting stroke | mm | 850 | 950 | 950 |
| Main motor power | kw | 22 | 30 | 30 |
| Total power | kw | 27 | 37 | 37 |
| Table dimensions (LxW) | mm | 3000x2000 | 3000x2000 | 3000x2000 |
| Table rotating degree | n° | 90°/360° | 90°/360° | 90°/360° |
| Overall dimensions (LxWxH) | mm | 6100x4800x4400 | 6500x4800x4600 | 6800x4800x4900 |
| Water consumption | m³/h | 4 | 4 | 4 |
Precision cutting for materials up to 680mm thickness Slabs
Expert Solution for Thick Stone & Monument Processing
Simple Operation
PLC control with one-time parameter settings enables operators to set and walk away until completion
Precision Cutting
Encoder-based precise division and infrared laser positioning calibration ensure dimensional accuracy
Stable Cutting Performance
Solid guide columns and hydraulic control minimize vibration for stable cutting results
Reduced Maintenance Requirements
Automatic lubrication system ensures all moving parts receive proper oil, extending component life
Durable Cast Frame Structure
Heavy-duty cast beam maintains stability when cutting dense stone, ensuring consistent results
Material Versatility
Inverter-controlled feed speed adjusts to different stone types, from soft marble to dense granite
FAQs
Common Questions About DINOSAW Bridge Cutting Machines
What materials can a bridge cutting machine cut?
The DINOSAW Bridge Cutting Machine is designed to effectively process a wide range of stone materials including:
• Granite: Ideal for tombstones, monuments and dimensional pieces
• Marble: Perfect for precision slabs and decorative elements
• Quartz and engineered stone: For consistent dimensional panels
• Sandstone and other natural stones: For architectural elements
The machine's variable speed control system, managed by frequency inverters, allows operators to adjust cutting parameters according to each material's unique properties. This adaptability ensures optimal processing results regardless of the stone's hardness, density, or internal structure, making it a versatile solution for diverse stone fabrication requirements.
What are the benefits of PLC control in bridge saws?
The PLC (Programmable Logic Controller) control system represents the technological core of our bridge cutting machine, offering significant benefits for professional stone fabrication:
• Complete parameter customization: Operators can precisely set the number of cuts, processing thickness, cutting depth, and feed speed according to specific project requirements
• Unattended operation: Once parameters are programmed, the machine operates autonomously until all processing is complete, optimizing workforce allocation
• Consistent precision: The system maintains exact cutting specifications across multiple pieces, ensuring dimensional uniformity in batch production
• User-friendly interface: The intuitive human-machine interaction panel makes complex cutting operations accessible to operators of various skill levels
• Error reduction: Automated control minimizes human error in critical cutting operations, reducing material waste and rework
This intelligent control system transforms stone fabrication from a labor-intensive process to a precision-controlled operation, significantly enhancing productivity while maintaining exceptional quality standards.
How does infrared laser positioning help with stone cutting?
The infrared laser positioning device is a precision alignment system that significantly enhances cutting accuracy and quality in our bridge cutting machine. This advanced technology works through the following process:
• Accurate line marking: The infrared device projects a visible alignment line onto the stone surface that precisely indicates where the cutting blade will make contact
• Perfect blade alignment: This visual guidance system ensures the diamond blade is perfectly positioned before cutting begins, eliminating misalignment issues
• Real-time reference: During cutting operations, the system provides continuous visual feedback to verify cutting accuracy
• Error prevention: By confirming proper alignment before material processing begins, the system prevents costly mistakes on valuable stone materials
• Consistent results: The positioning system maintains identical alignment across multiple cuts, essential for projects requiring matched pieces
This infrared laser technology works in conjunction with the PLC control system and encoder-based division mechanism to deliver exceptional dimensional accuracy. For stone fabricators, this translates to higher-quality finished products, reduced material waste, and increased customer satisfaction through precision craftsmanship.
What is an encoder system in bridge saws?
The encoder-based slab dividing system is a precision technology that ensures exceptional dimensional accuracy when cutting stone materials into multiple pieces. This advanced system functions through the following mechanisms:
• Ultra-high precision rotary encoder: This device tracks the exact position of the cutting blade with microscopic accuracy throughout the cutting process
• Digital position monitoring: The system continuously measures and verifies the cutting head's location, ensuring precise dimensional control
• Automatic compensation: Real-time adjustments correct for any mechanical variations or movement deviations during operation
• Programmed division parameters: Operators can set exact dimensional specifications for multiple cuts, which the system then executes with perfect consistency
• Enhanced stability: The encoder feedback loop improves overall machine stability by preventing drift or accumulating errors during extended operations
This sophisticated division system is particularly valuable for applications requiring multiple identical pieces, such as tombstone production, dimensional panels, or matched architectural elements. By maintaining precise dimensional control throughout the cutting process, the encoder system ensures that each piece meets exact specifications, reducing material waste and virtually eliminating the need for manual adjustments or corrections.
How thick can a bridge cutting machine cut?
This bridge cutting machine is specifically designed for medium to thick stone processing with a maximum cutting height of 680mm when equipped with a 1600mm saw blade. This height capacity makes it ideal for:
• Monument and tombstone fabrication, where substantial thickness is often required
• Dimensional stone slab production with consistent thickness control
• Curbstone and architectural element manufacturing
• Standard construction blocks and panels
The robust hydraulic lifting system provides precise height control throughout this range, while the PLC control system allows operators to set exact cutting depths for each project. This specialized height capacity positions the machine perfectly for professional stone fabricators focusing on memorial, architectural, and construction applications requiring substantial material thickness.
Is a bridge cutting machine easy to learn?
The DINOSAW Bridge Cutting Machine is designed with operator-friendly features that make it accessible even to those with limited experience in CNC equipment. The intuitive touchscreen interface uses visual programming methods with a built-in template library for common cutting operations. New operators typically require just 2-3 days of training to become proficient with basic functions.
For more complex operations, our machines include comprehensive on-screen guidance and context-sensitive help. The control system also features safety protocols that prevent operator errors that could damage materials or equipment. No special programming knowledge or CNC background is required, as our patented operation system focuses on practical stone fabrication workflows rather than abstract programming concepts.
We provide detailed training during installation and offer ongoing support through our technical team, ensuring your operators can maximize the machine's capabilities regardless of their prior experience level.
PLC Bridge Cutting Machine vs CNC bridge saw - which one should I choose?
The choice between this PLC Bridge Cutting Machine and a multi-axis CNC system depends on your specific production requirements:
Choose this PLC Bridge Cutting Machine when:
• Your production primarily involves straight cuts and 45-degree bevels on thick materials
• You process medium-height materials (up to 680mm with 1600mm blade)
• You manufacture standardized products like dimensional slabs, tombstones, and curbstones
• You need high-volume production with simplified operation
• Operational speed and cost-efficiency are priorities
• You focus on professional monument and thick slab production
Choose a 4-axis or 5-axis CNC Bridge Saw when:
• You need to produce kitchen countertops, bathroom vanities, or sinks with cutouts
• Your projects require curved cuts, profiling, or complex shapes
• You need to process thinner materials with intricate details
• You need multi-directional cutting capabilities
• Your production requires detailed 3D work
• You need maximum flexibility for diverse custom projects
Many fabrication shops benefit from having both types of machines, using this specialized PLC model for high-volume tombstone and thick slab cutting, and the CNC system for custom work requiring additional axes of movement.
Certifications & Standards
Expert Solution for Thick Stone & Monument Processing
CE Certification
100+ Tech Patents
ISO 9001:2015
DINOSAW product lines fully comply with international engineering standards, passing rigorous third-party quality certifications to ensure exceptional performance and durability for all industrial equipment operating in high-load environments.
Expertise & Applications
75+
Countries Served Worldwide
20+
Industry machinery expertise
Complete Production Solutions & Equipments
Choose equipment combinations for your product needs to establish efficient automated production lines and maximize profitability.
Elevate Your Tombstone and Thick Slab Production Today
Get precision monument & stone cutting up to 680mm with DINOSAW PLC Bridge Cutting Machine
Contact DINOSAW
Connect with DINOSAW experts to find the perfect processing solution for your specific material and production needs.

DINOSAW: Trustworthy Bridge Cutting Machine Manufacturer
Discover how DINOSAW can accelerate your projects. Our tailored product line, cutting-edge R&D, robust manufacturing, end-to-end service, global support, and industry certifications are at your service.

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