Multi-Wire Slicing Machine Electrical System
Abstract
Multi-Wire Slicing Machine Electrical System Solution
Multi-wire slicing machine, a cutting equipment originating in the 1960s, has become increasingly mature and stable through decades of technological innovation. A magnetic materials processing plant in Hebei Province deployed multi-wire slicing machines early on for slicing hard and brittle magnetic materials such as NdFeB. While the mechanical structure of the equipment remains in good condition, its associated electrical system has gradually become a bottleneck limiting production capacity and yield.
To overcome this production bottleneck, the plant aims to upgrade the electrical system of existing multi-wire slicing machines to improve wafer output rate and yield, while reducing wire breakage risks and overall maintenance costs.
To achieve optimal cutting results, the equipment must address the following issues:
High hardness and brittleness of magnetic materials: Fluctuations in cutting resistance cause variations in wire bow, leading to uneven wafer thickness or even edge chipping.
Asynchronous pay-off and take-up, unstable tension: Excessive tension causes wire breakage, while insufficient tension widens the Cerf; a single wire break can scrap an entire block of magnetic material.
Insufficient winding precision:Disordered arrangement of diamond wires, with adjacent turns either pressing against each other or leaving gaps, ultimately produces wafers of inconsistent dimensions.
Solution
Targeting the processing plant's requirements, SAVCH configured a complete tailored electrical upgrade solution for the multi-wire slicing machine, starting from the control level to ensure stable equipment performance under cutting conditions.
Product Highlights
High Material Yield: Multi-wire slicing enables hundreds of slices per pass. The high-precision electrical system ensures uniform slice thickness and minimal material loss.
Precise Tension Control: When tension fluctuates during acceleration, deceleration, or wire traverse reversal, the SAVCH tension control module quickly compensates, maintaining constant torque at the dancer arm to ensure cutting stability. The SDV3 tension servo system further enhances tension control accuracy.
Automatic Wire Traverse Correction: The traverse algorithm function block precisely calculates each turn position, while the correction function compensates for positional deviations in real time, preventing wire stacking and gaps. This ensures consistent cutting pitch and strict compliance with slice thickness tolerances.
Quick Recipe Recall: The HMI is preloaded with multiple sets of magnetic material process parameters, enabling operators to get started quickly. The HMI interface displays real-time cutting dynamics, allowing timely optimization. Upon completion, cutting data is automatically pushed to plant management, and the backend generates monthly and quarterly reports for easy tracking of production capacity and profit margins.
No Wire Break During Power Loss: Drive capacitor energy storage technology maintains system voltage during grid dips, allowing orderly equipment shutdown and preventing abrupt stops that could shatter an entire block of magnetic material. This effectively withstands grid disturbances, ensuring long-term stable equipment operation.
Solution
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