Vibration Isolation Case Studies

DVIA-UB700 (S/N 220302R3) active vibration isolation platform installation report prepared for CRRC Qishuyan Locomotive & Rolling Stock Technology Research Institute Co., Ltd.; ZEISS SIGMA 300 located in CHANGZHOU, China; tuning date August 6, 2022; engineer Youngha Lee. Published figures from Data and Image: Z/X/Y-axis transmissibility and one equipment site photo.

DVIA-UB1000 compact installation worksheet (serial 220310R1) at COPPRO, Chengdu, with ZEISS EVO10. Setup 22.07.26, reporting 22.07.27; business-trip line 17.12.27~17.12.29. Published setup photo, UB1000 internal-program Z/X/Y plots, octave-band Z/X/Y plots, and Result-Imeage Active Off/On screens; decorative customer-line header bitmap (image1) omitted.

DVIA-UB700 (serial 220310R1) installation worksheet for COPPRO（成都振芯科技股份有限公司）with ZEISS EVO10 in Chengdu, China — tuning July 26, 2022; report written July 27, 2022 (engineer Youngha Lee, DAEIL SYSTEMS). Summary lists floor versus active VC by axis and octave band (1–10 Hz / 10–80 Hz); published curves are combined transmissibility per axis as in the handout (not split into separate 1–10 Hz and 10–80 Hz images). Decorative header bitmap and Reference VC-criteria figure are omitted in favor of the site Reference table.

DVIA-U1000 compact installation worksheet (serial 220603R1) at GRINM Resources and Environment Tech. Co., Ltd. with Zeiss EVO15 in Beijing. Reporting 22.07.21 setup 22.07.20 measurement 2022.07.20 (Wednesday) operator Youngha Lee business trip 17.12.27~17.12.29. Publication includes setup photo UB1000 internal‑program plots Z/X/Y octave‑band plots and Active Off/On screens. Decorative header bitmap (combined with cover line image1) omitted.

DVIA-UB700 worksheet (serial 220603R1) for GRINM Resources and Environment Tech. Co., Ltd., Zeiss EVO15 in Beijing — tuning 22.07.20, report 22.07.21. Summary table (Floor vs Active) plus Z/X/Y VC curves, transmissibility, equipment photo, and active off/on result images; decorative header raster and generic VC figure omitted from the public page per site rules.

DVIA-UB1000/U1000 internal-program worksheet for ZEISS Sigma300 at Shanghai NIO Automobile Co., Ltd (S/N 220113R2). Setup and report dates 22.07.18; business trip line 17.12.27–17.12.29; Overview measurement dated 2022.07.18 (Monday). Publication includes UB1000 internal-program Z / X / Y screenshots only. Decorative company-line header bitmap (image1) omitted. Separate UB700 Sigma300/NIO case publishes transmissibility plots from a different worksheet.