Toshin Technical Co., Ltd.

【Turboshaft】Process Consolidation・End Face・Outer Diameter Simultaneous Grinding Case Study

Precision and efficiency for shafts.

TOHSHIN's catalog presents a case study on Turboshaft grinding, offering an angular centerless grinding solution for small-diameter long workpieces. This method resolves issues like deflection, unstable roundness, and long processing times common in conventional center-supported machining. The innovative centerless process employs a regulating wheel to fully support the workpiece, preventing deflection and ensuring stable, high-precision grinding. A key technical feature is the simultaneous grinding of all sections, including end faces and outer diameters, which consolidates the entire manufacturing process. This significantly boosts productivity up to three times (e.g., from 30 to 100 pieces/hour) and consistently maintains roundness within 1 µm. The solution also reduces setup time, floor space, and labor costs, guaranteeing consistent quality irrespective of operator skill.

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