Semiconductor Slicing

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.

Diamond Wire Cutting Systems for PV Ingot Slicing

Our diamond wire cutting systems deliver ultra-precise slicing for monocrystalline and polycrystalline silicon ingots, the core raw material of high-efficiency solar cells. Engineered for industrial PV production lines, these systems achieve ultra-low kerf loss to maximize material yield, while maintaining stable tension control for consistent wafer thickness across large-size ingots (up to G12+). Built with high-rigidity frames and intelligent cutting algorithms, they ensure minimal breakage and low surface damage, meeting the strict quality requirements of N-type and P-type solar cell manufacturing.

Mono/Poly Silicon Ingot Slicing

Key Advantages
  • Maximized Material Utilization: Ultra-narrow kerf loss reduces raw material waste, directly lowering production costs for PV manufacturers.
  • High Throughput & Efficiency: Multi-wire reciprocating cutting enables high-speed slicing, boosting daily output and reducing labor costs.
  • Stable & Reliable Operation: Robust mechanical structure and automatic tension control ensure long-term, stable performance in 24/7 industrial environments.
  • Compatible with Large-Size Ingots: Fully supports G12 and next-generation large-format silicon ingots, future-proofing your production line.
  • Mono/poly silicon ingot slicing for PV wafer production
  • Large-size ingot processing for high-efficiency solar cell factories
  • Pilot line R&D and mass production for PV manufacturing
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

Read the Case: Achieve Better Results in Silicon Ingot Slicing

For mono silicon ingot slicing, our joint process upgrade helped the client boost yield, control material loss and achieve stable slicing precision in mass production.
Learn more about our technical cases? Please get in touch.