Thin Multi‑Wire Saw for Granite & Quartz Slabs

A down-feed thin multi-wire saw is an industrial machine designed for high-precision slicing of hard materials like granite and quartz into thin slabs. It works by pressing a high-speed array of diamond wires downward through a stationary block, using gravity and mechanical pressure to ensure a stable, powerful cut. This method is ideal for achieving uniform thickness and a superior finish on high-value stone slabs.

The process starts with securely clamping the stone block onto the worktable. The wire-web, consisting of multiple diamond wires, then descends at a controlled feed rate (e.g., 100-280 mm/h) while moving at high speeds (up to 40 m/s). This downward force, combined with the block's own weight, minimizes vibration and enhances cutting stability, which is crucial when processing dense materials. A continuous flow of coolant lubricates the cutting zone, dissipates heat, and flushes away debris to prevent wire marks.

This down-feed technique is particularly effective for hard stone slab production, as the consistent pressure results in excellent flatness and reduces the risk of wire bowing. Fabricators benefit from higher material yield due to the small kerf (≈0.5–0.8mm) and reduced post-processing work, making it a highly efficient solution for producing granite countertops, engineered quartz panels, and other premium architectural materials.

• Down-feed (A-Series): Maximizes cutting force and stability. Ideal for high-hardness granite and quartz. The block's weight assists in secure clamping, enhancing efficiency.
• Up-feed (H-Series): Excels at debris removal due to gravity. This results in a better surface finish, making it perfect for marble thin slabs and high-value brittle materials like ceramics or crystals where surface integrity is paramount.

• Hard Natural Stones: Especially effective for granite and quartzite, where its cutting force and stability are essential.
• Engineered Stones: Ideal for engineered quartz slabs used in countertops and panels.
• Sintered Stones & Ceramics: Capable of slicing large sintered stone blocks and other dense ceramic materials into large-format panels.

• Rotary Worktables: Allow block angle correction or 90-degree rotation for secondary cuts without re-hoisting. This saves hours of crane time and manual labor.
• Transition Carts: Enable a parallel workflow. While one block is being cut, another can be loaded onto a spare cart, and a finished set of slabs can be unloaded from a third. This ensures the thin multi-wire saw is almost always slicing.

• Kerf (Sawing Gap): Typically between 0.5mm and 0.8mm, depending on the diamond wire diameter (e.g., 0.35-0.6mm wire) and process parameters. This is a dramatic improvement over gang saws, whose kerf can be 7mm or more.
• Thickness Consistency: The combination of a robust gantry, carbon-fiber rollers, and a patented constant tension system (controlling tension to ±0.5 N) minimizes wire bow, ensuring uniform thickness across the entire slab.

• Higher Yield: A thin multi-wire saw produces around 10%-25% more finished slabs from the same block due to its ultra-small kerf.
• Lower OPEX: It consumes less energy, uses less water, and creates over 80% less slurry waste. It also has a smaller footprint (~30% less space) and requires much simpler foundations (~80% lower cost).
• Better Quality: The slabs produced are flatter and have a smoother surface, significantly reducing polishing time and costs.

Selecting the correct wire diameter and tension is a critical process window adjustment that depends on the material's hardness, the desired slab thickness, and your production goals (speed vs. finish). A general rule is that harder materials require higher tension and line speeds for efficient cutting. Here are some starting guidelines: Our machines feature advanced control systems with pre-saved recipes for various materials, simplifying the setup process. Our technicians also provide on-site training to help your team master the process window for your specific stone blocks, ensuring you achieve the optimal balance of productivity and quality.

A proactive maintenance schedule is key to ensuring long-term stable performance, consistent finish quality, and high uptime from your thin multi-wire saw. Maintenance focuses on monitoring wear parts in the wire path and ensuring the precision of the tensioning system. A typical preventive maintenance plan includes: In addition, our machines are equipped with intelligent diagnostic systems that provide predictive maintenance alerts, warning of potential issues before they cause downtime. This allows you to schedule maintenance proactively and maximize productivity.

This large-format down-feed thin multi-wire saw is primarily designed for medium- to large-scale industrial fabricators who process multiple blocks per day and require high throughput. Its size, capacity, and investment level are best suited for production-focused operations. For smaller workshops, research labs, or companies focused on pilot production or custom one-off jobs, a smaller machine would be a more appropriate fit. A smaller model offers several advantages for such environments: If your business focuses on high-volume slab production from large blocks (e.g., up to 3600 x 2100 x 2300 mm), this machine is the right choice. If your needs are smaller-scale, we recommend exploring our compact models designed for R&D and small-batch processing.