Precision Diamond Wire Cutting Solutions for PV Manufacturing
Monocrystalline and polycrystalline silicon ingots are the foundational raw materials for high-efficiency photovoltaic solar cells. Precision slicing into ultra-thin wafers is a critical process that directly determines material utilization, wafer quality, and solar module conversion efficiency. Diamond wire cutting has become the global industry standard, delivering far higher efficiency, lower kerf loss, and superior surface quality than traditional slurry sawing.
In modern PV production lines, diamond wire saws perform multi-wire reciprocating cutting to slice ingots into hundreds of wafers in a single pass. The process demands extreme precision in wire tension, cutting speed, and cooling to ensure consistent thickness, minimal breakage, and low surface damage—key requirements for high-performance N-type and P-type solar cells.
Our diamond wire cutting systems deliver ultra-low kerf loss to maximize material yield, high throughput to reduce production costs, and stable operation for large-size ingots (up to G12+), meeting the evolving demands of the global solar industry.
| NO. | Parameter | Specification |
| 1 | Model | TCQF15030CNC |
| 2 | Cutting Principle | Endless diamond wire / Physical cutting |
| 3 | Cutting Functions | Slicing / 2D Contour Cutting |
| 4 | Maximum Workpiece Size(mm) | 1200 × 1000 × 1000 mm(L×W×H) |
| 5 | Worktable Size(mm) | 1500×300 |
| 6 | Cutting Planarity Accuracy(mm) | 0.1 |
| 7 | Surface Roughness(μm) | Ra 0.8 μm |
| 8 | Wire Specification(mm) | Ø0.65–1.0/6250 |
| 9 | Tension System | Constant Wire Tension Control |
| 10 | Guide Wheel Quantity | 4 wheels |
| 11 | Drive Motor | Servo motor |
| 12 | Wire Speed (m/s) | 51Max（Adjustable） |
| 13 | Total Power(kW) | 3.6 |
| 14 | Voltage | 220v 50Hz |
| 15 | Control System | Custom-developed Tongcheng T33 system |
| 16 | Footprint (L×W×H)(mm) | 3200×1500×1500 |
| 17 | Gross Weight kg | 3200 |
Build a measurable diamond wire saw factory acceptance test covering safety, capability, wafers, consumables, data, training and SAT handoff.
Build a subsurface-damage and finishing-allowance budget for diamond wire saw cutting of SiC, silicon, sapphire, glass and ceramics.
Decide when batch or stack cutting advanced ceramics improves throughput without sacrificing chips, thickness, cooling or traceability.
Evaluate ultra-fine diamond wire for thin silicon wafer slicing using kerf, bow, breakage, warp, finishing loss and cost per accepted wafer.
Build a practical diamond wire saw preventive-maintenance plan for guide wheels, tension, alignment, coolant and repeatable wafer quality.
Learn how diamond wire saw cutting can improve graphite component yield for SiC crystal growth while controlling dust, geometry and contamination.
