QDSJ090_博格华纳电动汽车减速器拆解实拍_27页_5mb

报告摘要

Mass: 28 kg
Speeds: Single-speed operation
Reduction Ratios: 6.54, 7.17, 8.00, 8.28, 8.76, 9.07
Efficiency: >97%
Rated Input Torque: ~200 Nm continuous, up to 300 Nm peak
Max Input Speed: ~14,000 rpm
Center Distance: 210 mm
Lubrication: Splash lubrication
Park Lock System: Electronic shift-by-wire system with CAN capability
Status: Start of Production (SOP) in Q3 2010
Design: Adaptable flange interface for easy motor integration, supports various vehicle drop angles

High Efficiency: Directly impacts driving range and cost by minimizing energy loss.
Quiet Operation: Low noise levels achieved through high-efficiency helical gear design and reduced vibration.
Adaptable Design: Accommodates different electric motor interfaces and vehicle packaging requirements.
Durability: Ground AGMA class 10 gears and optimized bearing design for fatigue performance.
Pumpless Lubrication: Utilizes gear pumping action, eliminating the need for an oil pump and reducing complexity.

CODA Sedan (SOP in Q3 2010, lead program)
Ford Transit Connect (SOP in Q3 2011)
Tesla Roadster (in production since 2008)
Potential commercial applications for light-duty, medium-duty, and heavy-duty trucks and vans in development

Maximizes driving range and cost efficiency through high gear efficiency.
Enhances vehicle performance by allowing motor operation in optimal speed ranges.
Supports regenerative braking with high duty cycle handling of forward/reverse torques.
Fully automatic shifts in dual-clutch systems for seamless operation.

Current model (31-03) is stable and in production.
Development of the 34-01 model with three-speed geartrain for wider application, targeting improved gradeability and efficiency.

The transmission achieves specific output ratios by modifying gear configurations, though details on gear changes are limited in documentation.
Redundant technical details in the original text are consistent with the specifications provided here.

展开完整摘要