To achieve mutual geometric accuracy across multiple processes, high-level technology is required!
We would like to introduce our "ultra-precision machining of sub-micron level" that we perform. In addition to dimensional tolerances, we also process geometric tolerances such as roundness, coaxiality, cylindricity, perpendicularity, parallelism, and runout, all at the micron level. While machining in a single chucking may achieve machine accuracy, high-level skills are required to ensure mutual geometric precision across multiple processes. 【Sub-micron geometric tolerance accuracy (excerpt)】 ■ Calculation method: MZC ・Roundness: 0.5 (μm) ・Peak height P: 0.3 (μm) ・Valley depth V: -0.3 (μm) ・Average roundness: 0.1 (μm) ・Number of peaks: 20 (peaks) *For more details, please download the PDF or feel free to contact us.
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【Other Submicron Geometric Tolerance Accuracy】 ■Calculation Method: LSC ・Circumferential Runout (Radius): 0.7(μm) ・Maximum Value: -3.8(μm) ・Minimum Value: -4.5(μm) ・Maximum Value Angle: 292.1(DEG) ・Minimum Value Angle: 48.5(DEG) *For more details, please download the PDF or feel free to contact us.
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Tōei Chōkō Co., Ltd. has been committed to high-precision processing since its establishment. We boldly challenge difficult machining tasks and strive daily for the technical skills that make our customers say, "I can only consult Tōei Chōkō for such difficult jobs." To manufacture "perfect products," we must maintain a consistent core of "processing philosophy" throughout all processes, rather than just finishing products somewhat according to the drawings. We carefully complete products with machining procedures that consider even the final processes, spanning multiple stages. We achieve high-precision processing through optimal processes utilizing our diverse in-house equipment.