Open Hours:8:30am-20:30pm
WhatsApp: +86 198-5901-3937
Bridge Single Head Automatic Stone Polishing Machine
QDMJ-900/1200/1800/2000


Compatible Materials & Products
Precision Polishing for Premium Stone Products
▶ DINOSAW Diamond Wire Saw Kerbstone Cutting Machine Video
▶
- [00:03] Monoblock Structural Rigidity: A detailed view of the heavy-duty integrated cast-iron bridge of the Dinosaw Machinery Bridge Single Head Automatic Stone Polisher, designed to absorb high-frequency vibrations and ensure a 10-year precision lifespan.
- [00:11] Industrial Calibration Process: The Dinosaw Machinery Bridge Single Head Automatic Stone Polisher performs high-pressure thickness leveling, eliminating variances in raw slabs to provide a perfectly flat foundation for the polishing phase.
- [00:15] Adaptive Gloss Mastery: Demonstration of the 85+ GU mirror finishing capability. By utilizing Siemens or Inovance (汇川) servo feedback, the Dinosaw Machinery Bridge Single Head Automatic Stone Polisher maintains constant downward pressure for uniform edge-to-edge gloss.
- [00:18] Sequential Abrasive Execution: The Dinosaw Machinery Bridge Single Head Automatic Stone Polisher expertly manages the transition from metal-bond diamond discs for grinding to resin-bond pads for high-gloss buffing.
- [00:23] High-Value Finished Surface: Showcasing the high-transparency results on Granite and Sintered Stone, ready for transformation into premium countertops and architectural wall panels.
Granite > Tombstones
![]() |
|---|
![]() |
![]() |
![]() |
![]() |
Marble > Kitchen Countertops
![]() |
|---|
![]() |
![]() |
Limestone > Architectural Panels
![]() |
|---|
![]() |
Travertine > Bathroom Vanities

Quartzite > Floor Tiles
![]() |
|---|
![]() |
![]() |
Memorial Stone Production
Achieving Premium Granite Finishes at Scale
Leading monument manufacturers rely on DINOSAW's precision polishing technology to deliver consistent mirror finishes across varied granite types. The automated system processes multiple stone sizes while maintaining exacting quality standards.

Countertop Manufacturing
Elevating Kitchen Surface Standards
Premium countertop fabricators achieve superior surface quality through automated polishing sequences. The system's programmable parameters ensure consistent gloss levels across large marble and granite slabs for high-end residential projects.

Specs and options
Specifications customizable upon request.
| Model | Unit | QDMJ - 900 | QDMJ - 1200 | QDMJ - 1800 | QDMJ - 2000 |
|---|---|---|---|---|---|
| Main motor power | kw | 15 | 15 | 15 | 15 |
| Grinding speed | r/min | 560 | 560 | 560 | 450 |
| Grinding disc horizontal walking speed | mm/min | 0 - 5600 | 0 - 5600 | 0 - 5600 | - |
| Grinding disc longitudinal walking speed | mm/min | 0 - 4300 | 0 - 4300 | 0 - 4300 | - |
| User - prepared pressure | Mpa | 0.35 - 0.5 | 0.35 - 0.5 | 0.35 - 0.5 | - |
| Gas source equipment flow | m³/min | 0.15 - 0.3 | 0.15 - 0.3 | 0.15 - 0.3 | - |
| Work efficiency | m²/h | 2 - 2.5 | 2.5 - 3.0 | 3.0 - 3.5 | - |
| Maximum grinding size | mm | 3000×900×120 | 3000×1200×120 | 3000×1800×120 | 3000×2000×120 |
| Overall dimensions | mm | 6500×2200×2000 | 6500×2500×2000 | 6500×3100×2000 | 6500×4700×2000 |
| Water consumption | m³/h | 4 | 4 | 4 | 5 |
| Approximate weight | t | 2 | 2.5 | 3 | 5 |
| Diameter of grinding head | mm | - | - | - | 470 |
| Number of grinding head loading blocks | pcs | - | - | - | 6pcs |
Bridge design and PLC control for automated polishing
Master Every Stone Surface with Precision and Flexibility
Long Service Life & Accurate Movement
Bridge structure with oil-sealed linear guide rails ensures minimal vibration and extended equipment life
Versatile Processing Patterns
PLC control enables three grinding patterns with adjustable feed rates for different stone requirements
Powerful & Efficient Material Removal
15KW motor with 560 r/min rotation speed delivers fast processing while maintaining surface quality
One Machine Multiple Applications
Single machine processes granite and marble by changing heads, handling 3-120mm thickness materials
Lower Operating Costs
Optimized design achieves 2-3.5 m²/h output with only 4m³/h water consumption for cost efficiency
Safe & Consistent Results
Variable speed control with emergency stops and automated pressure regulation ensures safety
FAQs
Common Questions About Bridge Single Head Stone Polisher
What stone products is this bridge single head polisher mainly used for?
This bridge single head stone polisher is mainly used for polishing flat stone slabs, both thin and thick, across a wide range of finished products.
Typical finished products include
Kitchen and bathroom countertops
Floor tiles and wall tiles
Large-format wall panels and background walls
Stone table tops and furniture panels
Tombstones and memorial slabs
These products share a common requirement: a consistent, even surface finish across the whole slab, without the cost and complexity of a full polishing line.
Dinosaw positions this machine as a practical solution for workshops that handle mixed slab thicknesses and varied orders on a daily basis.
What stone materials can be polished on this machine?
This automatic stone polishing machine is used for polishing common stone materials applied in architectural and interior projects.
Materials typically polished
Granite
Marble
Limestone
Travertine
Engineered stone and similar slab materials
Because polishing pressure and movement are controlled by the bridge structure, the machine adapts well to different stone hardness and slab thicknesses.
How this helps in practice
You don’t need separate machines for thin tiles and thicker slabs—one setup can cover most daily polishing work.
What type of polishing work is this machine best suited for?
This bridge single head stone polisher is best suited for general-purpose slab polishing, where flexibility and surface consistency matter more than maximum throughput.
Where it fits best
Polishing individual slabs or small batches
Handling mixed orders with different sizes and thicknesses
Producing uniform finishes without manual grinding
Compared with manual polishing, results are more even and repeatable.
Compared with large automatic polishing lines, setup is simpler and overall investment is lower.
This is why many Dinosaw customers see it as a step-up from manual polishing, rather than a replacement for full production lines.
How is this machine different from other stone polishing solutions?
The difference is mainly how you plan to polish, not just how fast.
If your goal is to upgrade from manual polishing
A bridge single head polisher gives you faster, more uniform results with much less reliance on operator skill.
If your goal is a large-scale slab polishing line
A multi-head automatic slab polishing machine is more suitable for continuous, high-volume production.
If your work focuses on edge polishing
A dedicated edge profile polishing machine is the right choice.
If you polish curved or arc-shaped slabs
There are specialized arc-slab polishing machines designed for that geometry.
Dinosaw positions this bridge single head polisher as a cost-effective, versatile option when you need surface polishing across different slab types, without committing to a full line.
When does it make sense to choose this machine instead of other automatic polishers?
This machine makes sense when you need balanced performance, flexibility, and investment control.
It is a good match if
You polish countertops, floor slabs, wall panels, or tombstones
Your orders vary in size and thickness
You want better speed and consistency than manual polishing
You don’t need a full multi-head polishing line
For many workshops, this machine becomes the main surface polisher, while edge polishing, arc polishing, or high-volume slab lines are handled by other dedicated equipment.
How Dinosaw approaches this choice
Rather than pushing one solution for every case, we help customers match the polishing method to the actual products they make—this bridge single head polisher is often the most practical middle ground.
What type of workshop usually uses a bridge single head stone polishing machine?
This type of machine is commonly used in small to medium stone workshops that handle a wide mix of slab products.
You often see it in:
Countertop fabrication workshops
Stone flooring and wall panel producers
Monument and tombstone factories
Decoration and renovation-focused stone shops
These workshops usually don’t run one single product all day. Orders vary in size, thickness, and finish requirements, which is where a bridge single head polisher fits naturally.
From Dinosaw’s experience, this machine works best where flexibility is more valuable than maximum throughput.
Is this stone polishing machine suitable for thin slabs and thick slabs?
Yes. This bridge single head polisher is designed to handle both thin and thick stone slabs.
Because polishing pressure and movement are controlled by the bridge structure rather than by manual force, the machine adapts well to different slab thicknesses. This makes it practical for workshops that polish:
Thin tiles for floors and walls
Thick slabs for countertops or table tops
Medium-thickness slabs for memorial and decorative use
Many customers choose this machine specifically because it avoids splitting thin and thick slab polishing into separate processes.
How does this machine help improve polishing consistency compared to manual polishing?
Compared with manual polishing, this machine provides more even and repeatable surface finishes.
Instead of relying on the operator’s hand pressure and movement, polishing is carried out along controlled paths under stable conditions. This helps:
Reduce visible polishing marks
Achieve more uniform gloss across the slab
Lower rework caused by uneven manual grinding
For many Dinosaw users, this means polishing results become less operator-dependent, while still keeping the process flexible.
When should you consider upgrading to a more automated polishing solution?
Upgrading makes sense when your polishing volume or consistency requirements increase beyond what a single head machine is designed for.
You may consider upgrading if
You polish large volumes of standard slabs every day
You want continuous, line-based slab processing
Manual tool changes start to slow production
In these cases, Dinosaw often recommends:
Automatic tool-changing polishing machines for higher automation
Multi-head slab polishing lines for large-format, high-volume production
This bridge single head polisher is typically chosen as an entry or mid-level automatic solution, before moving to full lines.
Certifications & Standards
Master Every Stone Surface with Precision and Flexibility
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.
Ready to Transform Your Stone Polishing Operations?
Experience precision, efficiency, and quality with DINOSAW's advanced polishing technology
Contact DINOSAW
Connect with DINOSAW experts to find the perfect processing solution for your specific material and production needs.

DINOSAW: Trustworthy Stone Polishing 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.

Other Machines or Tools
Are you looking for more new information machines or tools?
English
Get A Easy Solution
Chat Online
Hi, this is Lizzy from Dinosaw ( Not a Robot ). Which Machine ( model ) do you want? Please WhatsApp us now
Hello 👋 How can we help?
















































