Shulou(Shulou.com)06/02 Report--

Jingwei Hengrun, as the domestic business agent of Romax tools, is committed to providing solutions for the transmission system, gear and bearing industries. British Romax Company is a transmission technology company integrating software development and project consulting. Its tools are mainly used in the design and simulation analysis of gearbox, bearing and power transmission system, and enjoy a high reputation in the field of transmission. It is a standard analysis software in automotive, industrial, wind power and bearing application fields.

As one of the core components of mechanical system, transmission system has higher requirements for transmission efficiency, durability and NVH performance. Based on the driveline design R & D scheme provided by Romax, Jingwei Hengrun integrates the scheme design, detailed design and simulation verification.

Product introduction

The platform functions the development of gearbox, axle, gearbox and precision transmission parts, and solves the problems of gear design and strength check, bearing life prediction, synchronizer performance calculation, box structure stiffness design and strength analysis, axle housing flexible bevel gear dislocation analysis, transmission efficiency calculation and system NVH performance prediction of all kinds of gearbox and axle axle and other transmission systems. 1. Parametric modeling of transmission system ♦ has the 3D full parametric modeling ability of various types (straight / helical / spiral bevel / fixed axis / planet) gears, boxes, shafts and bearings ♦ has the full parametric function of the complete design process from conceptual design to detailed design to verification.

▼ CAD software interface module, which can support data exchange between Romax model and mainstream CAD model (CATIA/UG/Pro-E)

2. Transmission Scheme Conceptual Design-Romax Concept ♦ is suitable for system-level scheme design and evaluation of transmission devices in the early conceptual stage of development. ♦ matches the transmission system design with vehicle power performance and economy. ♦ supports seamless conversion from conceptual design to detailed design. Detailed Design and Analysis of Transmission system-Comprehensive efficiency Analysis of Romax Designer ♦ Transmission system

▼ includes FVA345 gear meshing, oil stirring loss, oil seal, bearing efficiency calculation function ▼ realizes power loss influence factor analysis, decomposition and positioning ▼ supports vehicle driving cycle efficiency calculation.

Fine durability Design of ♦ Transmission system

▼ supports tooth direction, tooth profile and diagonal modification scheme evaluation and optimization ▼ supports straight / helical / bevel gear tooth surface contact stress and tooth root bending stress analysis ▼ supports ISO and other bearing contact definition, stiffness and raceway deformation calculation, durability and influencing factor analysis ▼ supports spline modification, strength check of shaft, box, bolt connection and fatigue durability evaluation

▼ supports fatigue durability design based on load spectrum editing and acceleration of measured data.

NVH performance Analysis of ♦ Transmission system

▼ gearbox howling analysis and percussion noise analysis ▼ system modal shape, dynamic response (including waterfall diagram) calculation and 3D display

Side Frequency Band Analysis of ▼ Planetary Gear Train

4. Integrated design and analysis of mechatronic transmission system the mechatronics design method can be realized: ♦ carries out mechatronics design in the conceptual design stage. ♦ can accurately obtain the NVH response of power transmission system under gear and motor excitation.

♦ optimizes and improves the mechatronics system

Jingwei Hengrun provides driveline solution ♦ driveline conceptual stage configuration design-detailed design-verification whole process solution ♦ driveline efficiency, durability, NVH (howling / percussion, etc.) Comprehensive performance evaluation and optimization of ♦ synchronizer design and shift performance optimization of ♦ gearbox thermal management

Design of ♦ Lubrication / cooling system and Simulation Analysis of Oil stirring

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