Multi-wire cutting machines use high-speed reciprocating motion of metal wires to cut hard and brittle materials such as semiconductors into numerous thin slices, achieving high-precision, high-speed, and low-loss cutting. With the rapid development of the photovoltaic industry, multi-wire cutting technology is mainly used for cutting silicon wafers. SINEE multi-wire cutting machine solutions can meet complex machine requirements such as high speed, high precision, and high performance. They are currently widely used in fields such as magnetic materials, crystal materials, precious metals, ceramics, and semiconductor materials.
01 Solution composition
The servo control system solution of SINEE multi-wire cutting machine mainly adopts SINEE EA300E series servo system:
02 Equipment transmission diagram
The driving shaft realizes closed-loop synchronous control through torque feedback; the left and right tensions provide constant wire network tension; the winding and unwinding coils complete high-speed cutting actions by retracting and retracting the metal wire; the lifting platform completes product cutting by lifting, lowering, and traversing.
>01 Up to hundreds of turns of metal wire are wound around the spindle to cut the product
>02 Tension lever provides constant web tension
>03 The winding and unwinding motor realizes the retracting and retracting action of metal wire during high-speed cutting
>04 The winding displacement mechanism realizes even arrangement and deviation correction of metal wires on the winding and unwinding rolls.
>05 The workbench can be lifted and lowered for product cutting, and can be cut by moving horizontally.
03 Performance
Items | Unit | Parameter |
Metal Wire speed | m/min | 1500-2600 |
Metal wire storage capacity | km | 30 |
Pendulum | - | Within ±1°, Within 0.1N |
Slice thickness difference | - | Within 0.02mm |
04 Solution advantages
>01 Large number of slices and high efficiency. Multi-line cutting technology can be used to form hundreds or even thousands of tile-shaped sheets of the same specification at one time, or other complex curved sheets.
>02The product has high precision and less loss
>03 The output torque of the pendulum rod is constant, the metal wire tension is stable, and the angle jitter of the pendulum rod is small within ±1°.
>04 The winding displacement operates stably and can realize automatic deviation correction and reversal functions.
>05 Using direct transmission linkage mechanism, closed-loop synchronous control is realized between transmissions, consumption mechanism linkage, high dynamic response
Based on independently developed core technologies, SINEE will continue to promote the industrial application of multi-wire cutting technology in the processing of hard and brittle materials such as magnetic materials, crystal, glass, solar silicon wafers and cemented carbide, and provide "cutting equipment" for the cutting and processing links. + Cutting Technology" system cutting solutions help customers reduce production costs, improve production efficiency, and improve product quality, allowing companies to achieve transformation and upgrading from "manufacturing" to "intelligent manufacturing."
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