The 400H brazed diamond saw blade represents a cutting-edge solution engineered for precision and durability in the hard materials cutting sector. Distinguished by its advanced brazing technology and high-quality diamond particles, this blade excels in performance during aggressive cutting tasks involving concrete, stone, and ceramic substrates. This article unpacks the core technology, structural design, and the diverse industrial applications of the 400H blade, empowering stakeholders to optimize cutting efficiency and operational safety.
At the heart of the 400H blade’s superior performance lies its brazing technique—a metallurgical process that securely fuses premium tungsten carbide or steel substrates with synthetic or natural diamond particles using a copper-based alloy at elevated temperatures (~800-900°C). This creates a robust bond that resists delamination under intense cutting forces.
The diamond crystals incorporated are specially graded for concentration (typically 85–95% by volume) and size (in the range of 30–60 mesh), optimizing the balance between sharpness and cutting lifespan. These particles provide unparalleled hardness (~10,000 HV hardness) enabling efficient abrasion of extremely tough materials.
The geometric configuration of the 400H blade includes a laser-cut steel core designed to minimize structural stress and enhance vibration control. Enhanced with cooling holes or peripheral slots, the blade dissipates heat effectively, reducing thermal distortion and blade wear. This ensures maintained cutting precision over prolonged usage periods.
The optimized thickness of the blade body (usually between 1.4mm to 2.2mm) strikes a critical balance between rigidity and cutting speed. Too thin compromises durability and vibration damping; too thick reduces cutting efficiency and increases energy consumption.
Engineered with versatility, the 400H brazed diamond saw blade finds extensive use in multiple industrial sectors:
Selecting a suitable 400H blade depends on multiple parameters related to the cutting task:
Effective vibration damping is pivotal for precision. The 400H blade's laser-cut segmented design reduces noise and mechanical stress, improving operator comfort and protecting machine longevity. Studies show that blades with optimized core slot designs reduce vibration amplitude by up to 30%, resulting in smoother cuts and fewer material defects.
Accurate cutting tolerance within ±0.1 mm can be consistently achieved by combining high blade rigidity, proper mounting techniques, and appropriate feed rates.
Underpinning the product philosophy is the “durability is king” principle. The 400H blade offers a lifetime extension of 20–35% compared to traditional sintered or electroplated diamond blades. This translates into fewer blade replacements, lower downtime, and reduced operating costs, reinforcing its outstanding value proposition within industrial budgets.
| Blade Type | Average Lifespan (Hours) | Cutting Speed (m/min) | Material Compatibility |
|---|---|---|---|
| 400H Brazed Diamond | 40 - 55 | 18 - 25 | Concrete, Granite, Tiles |
| Sintered Diamond | 30 - 40 | 15 - 22 | Concrete, Stone |
| Electroplated Diamond | 20 - 35 | 12 - 20 | Ceramics, Tiles |
