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Diamond Segment for Granite Cutting
250-3000mm
Industrial diamond segments engineered for granite blades. Designed to cut hard stones like granite, basalt, and sandstone, they are brazed to a blade core to produce smooth, straight kerfs.
These segments deliver faster feed rates, longer service life, and chip-free edges, reducing rework and total costs. Their optimized geometry and metal bond control heat and prevent glazing, ensuring consistent thickness and clean finishes.
Compatible Materials & Products
Granite Segments for Clean, Fast Slab Cutting
Granite > Slab Cutting
Granite’s high hardness requires segments with controlled diamond exposure and balanced bond hardness for stable cutting.
Segment height/profile with medium‑coarse grit (e.g., 30/40) supports wet cutting on block cutters and bridge saws; adequate cooling prevents glazing.
The result is clean kerfs, minimal chipping, and uniform thickness across slabs.
Basalt > Block Trimming
Dense basalt generates heat and demands bonds with strong retention to prevent premature diamond pull‑out.
A harder metal bond maintains cutting integrity under slow feed and heavy load, keeping edges straight during trimming.
Longer segment life and stable geometry reduce rework and downtime.
Sandstone > Strip Cutting
Abrasive sandstone accelerates wear, so segments must balance toughness with consistent diamond exposure.
On multi‑blade systems, robust bonds sustain speed while controlled exposure preserves cutting performance over long runs.
Throughput increases and strip dimensions remain uniform.
Andesite > Dimensional Cuts
Variable density in andesite can cause edge breakout if parameters are not controlled.
A balanced bond with optimized coolant flow keeps edges clean at moderate RPM and steady feed.
Dimensional accuracy improves and rework is minimized.
Volcanic Rock > Rough-to-Finish
Mixed structures and inclusions in volcanic rocks challenge kerf stability during roughing and finishing.
Segment geometry designed for consistent penetration and efficient debris removal maintains cut quality throughout.
Kerfs stay stable from first pass to final finish.
Architectural Stone Supply
Meeting Aggressive Project Deadlines
A supplier for a hotel facade project used our granite segments on multi-blade block cutters, processing up to 450m² daily. The segments' durability ensured consistent performance, meeting tight deadlines without sacrificing quality on 1.5cm slabs.
Basalt Block Trimming
Achieving Clean Edges on Hard Stone
A quarry operator cutting dense basalt blocks faced frequent segment glazing and chipping. By switching to our heat-resistant bond segments, they achieved consistently straight, clean edges, significantly reducing material waste and extending blade life.
Specs and options
Specifications customizable upon request.
| Diameter | Segment Dimension | Teeth No. | |||
|---|---|---|---|---|---|
| Inches | mm | Length/mm | Thickness/mm | Height/mm | pcs |
| 10" | 250 | 40 | 3 | 15 | 17 |
| 12" | 300 | 40 | 3 | 15 | 21 |
| 14" | 350 | 40 | 3.2 | 15/20 | 24 |
| 16" | 400 | 40 | 3.4 | 15/20 | 28 |
| 18" | 450 | 40 | 4 | 15/20 | 32 |
| 20" | 500 | 40 | 4.2 | 15/20 | 36 |
| 24" | 600 | 40 | 4.8 | 15/20 | 42 |
| 28" | 700 | 40 | 5.2 | 15/20 | 42 |
| 32" | 800 | 40 | 5.6 | 15/20 | 46 |
| 36" | 900 | 24 | 6/7 | 15/20 | 64 |
| 40" | 1000 | 24 | 6.5/7.5 | 15/20 | 70 |
| 48" | 1200 | 24 | 6.5/7.5 | 15/20 | 80 |
| 51" | 1300 | 24 | 7/8 | 15/20 | 88 |
| 56" | 1400 | 24 | 7.5/8.5 | 15/20 | 92 |
| 64" | 1600 | 24 | 8.4/9.2 | 15/20 | 108 |
| 72" | 1800 | 24 | 9.5/10.5 | 15/20 | 120 |
| 80" | 2000 | 24 | 9.5/10.5 | 20/30 | 128 |
| 88" | 2200 | 24 | 10.5/11.5 | 20/30 | 132 |
| 100" | 2500 | 24 | 11.5/12.5 | 20/30 | 140 |
| 120" | 3000 | 24 | 11.5/12.5 | 20/30 | 160 |
Faster Cuts, Longer Life, Cleaner Edges
Granite segments with engineered bonds for smooth, chip-free slabs
Heat-Resistant Metal Bond
Resists glazing at wet cutting speeds for hard stones.
Self‑Sharpening Grit Mix
Mixed grit sizes expose fresh diamonds continuously, keeping cutting speed stable.
FAQs
Common Questions About Diamond Segment for Granite Cutting
How do I choose the segment bond for granite?
The choice of segment bond is critical for performance. A medium-hard metal bond is the best starting point for most common types of granite.
- Start with medium-hard metal bond for common granite
- Go harder for dense/abrasive granite; softer for brittle/polished types
- Pair with steady wet cooling + balanced feed to keep diamonds cutting
Benefits:
- Cleaner edges, fewer chips
- Stable thickness across slabs
Which diamond grit works best for slab cutting?
Selecting the right diamond grit balances cutting speed with surface finish. For granite slab cutting, a medium-coarse grit is generally the most effective choice.
- Medium-coarse grits (e.g., 30/40) = fast penetration + clean kerfs
- Finer grits improve finish but slow feed; coarser grits risk chipping
- Match grit to slab thickness + finish goals; ensure adequate coolant
Benefits:
- Balanced speed/finish
- Consistent efficiency through long runs
Why do edges chip, and how can I stop it?
Edge chipping is a preventable issue often caused by operational factors. By controlling key parameters, you can achieve clean, chip-free cuts consistently.
- Common causes: glazed segments, excessive RPM, poor coolant
- Use an “open” bond, keep RPM within limits, ensure wet cooling both faces
- Stabilize feed, avoid sharp direction changes, check blade runout
Benefits:
- Chip-free edges
- More predictable, straighter kerfs
Wet vs dry cutting for granite segments?
For granite, wet cutting is overwhelmingly the recommended method as it enhances both performance and safety. Dry cutting should be reserved for very specific, limited situations.
- Wet cutting is standard: cools bond, clears swarf, keeps diamonds sharp
- Dry cutting raises heat/glazing—limit to short, light-pressure tasks
- If dry: reduce RPM, shorten passes, add cooldown cycles
Benefits:
- Higher feed + longer life
- Safer, cleaner cuts
How do I set RPM and feed without overloading?
Finding the optimal RPM and feed rate is key to avoiding overload and maximizing tool life. Using the blade's line speed as a starting reference is a reliable method.
- Use line speed: m/s ≈ π × blade diameter (m) × RPM / 60
- Stay under marked max; ramp feed until segments run cool + kerf is straight
- If heat/squeak: reduce RPM/feed, increase coolant, check tension/runout
Benefits:
- Protects segment life
- Maintains straight, clean kerfs
How can I extend segment life on granite?
Maximizing segment life involves a combination of correct operational practices and proper maintenance. The goal is always to ensure the diamonds are cutting efficiently rather than rubbing.
- Ensure adequate wet cooling; avoid “rubbing not cutting”
- Light dressing if glazing; prefer steady feed over peak pushes
- Clean slurry to prevent re-cutting debris; verify flanges/traceability
Benefits:
- Higher throughput
- Longer tool life
Certifications & Standards
Granite segments with engineered bonds for smooth, chip-free slabs
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
DINOSAW delivers lifecycle quality traceability and technical support for machinery equipment and diamond tools, covering cutting, drilling, engraving, polishing, and processing requirements for precision machining across industries.
Our products serve traditional industries (mining, stone processing, building materials), high-precision manufacturing (quartz glass, semiconductor), advanced materials (graphite, carbon fiber composites), and specialized applications (nuclear decommissioning, railway construction machinery).
Complete Production Solutions & Equipments
Choose equipment combinations for your product needs to establish efficient automated production lines and maximize profitability.
Get Faster, Cleaner Granite Cuts with DINOSAW
Tell us your material and cutting targets; we’ll match segment bond, grit, and geometry to boost throughput and lower cost per m².
Contact DINOSAW
Connect with DINOSAW experts to find the perfect processing solution for your specific material and production needs.
DINOSAW: Trustworthy Diamond Segment 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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