Automated Motor Housing Press-Fitting (MHPF) for Precision Alignment Control Technology

Andrea Marchetti

doi:10.47297/taposatWSP2633-456904.20260708

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Automated Motor Housing Press-Fitting (MHPF) for Precision Alignment Control Technology

7卷第8期

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Automated Motor Housing Press-Fitting (MHPF) for Precision Alignment Control Technology
Automated Motor Housing Press-Fitting (MHPF) for Precision Alignment Control Technology
JieMa (Shanghai) Automation Engineering Co., Ltd., Shanghai, 200000, China
2026年7卷第8期页码：20-24
纸质出版：2026-08-30
DOI：10.47297/taposatWSP2633-456904.20260708
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Andrea Marchetti. (2026). Automated Motor Housing Press-Fitting (MHPF) for Precision Alignment Control Technology. 科技理论与实践（英文版）, 7(8), 20-24.

Marchetti Andrea.Automated Motor Housing Press-Fitting (MHPF) for Precision Alignment Control Technology[J].Theory and Practice of Science and Technology,2026,07(08):20-24.
Andrea Marchetti. (2026). Automated Motor Housing Press-Fitting (MHPF) for Precision Alignment Control Technology. 科技理论与实践（英文版）, 7(8), 20-24. DOI： 10.47297/taposatWSP2633-456904.20260708.

Marchetti Andrea.Automated Motor Housing Press-Fitting (MHPF) for Precision Alignment Control Technology[J].Theory and Practice of Science and Technology,2026,07(08):20-24. DOI： 10.47297/taposatWSP2633-456904.20260708.

摘要

Abstract

To address issues such as positioning deviations

load fluctuations

and insufficient quality consistency during motor housing press-fitting in powertrain assembly lines

this study proposes an integrated visual positioning approach combined with multi-axis precision alignment

force-displacement closed-loop control

and online inspection-compensation-based automatic press-fitting method. A rigid-flexible coupled finite element model was established to simulate and analyze process parameters-including coaxiality error

press force

displacement

and equivalent stress-and optimize these parameters. Results demonstrate that the optimized coaxiality error decreased from 0.082 mm to 0.010 mm; maximum press force reached 28.7 kN; final displacement was 42 mm; and maximum equivalent stress attained 228 MPa. Field tests confirmed that coaxiality error remained stable within 0.009-0.012 mm

press force ranged between 28.4-28.9 kN

and displacement deviation did not exceed 0.03 mm

validating the methodology's accuracy and engineering feasibility.

关键词

Keywords

references

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