Equipment
ZF launches powertrain pilot project for electric mobile excavators
Seetao 2021-04-08 14:46
  • The new electric mobile excavator has a two-speed power shift gearbox, which greatly reduces the probability of accidents and shutdowns
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Global drive system solutions expert ZF has used its newly launched two-speed power shift transmission system, electric motor and inverter to start the first pilot project for the drive system of an electric mobile excavator.

ZF said the system can be extended to 850Nm peak torque and 80kW continuous power. Recently, the first prototypes have been delivered to pilot customers, and three variants of the electric central drive system-eCD50, eCD70 and eCD90-can meet different sized vehicles in the target application.

A ZF statement said: “Soon after the eTRAC eCD20 electric drive system for compact equipment such as compact loaders was put into mass production, ZF can now record the next milestone on the road to emission-free construction sites.”

Optimization of internal system kinetic energy

“As ZF becomes the global market leader in traditional power system solutions for mobile excavators, it is expanding its product portfolio for such construction machinery applications driven by electric power.” ZF added that its goal is to Electric drives set new standards, especially in terms of integrated system solutions. The newly developed electric slewing drive and mature MULTISTEER and MULTITRAC front and rear axles complete its product portfolio for mobile excavators.

“The electric drive system meets all the expectations of traditional drivetrains for performance and productivity, and combines them with the wide range of benefits and opportunities that the electric system must provide.” ZF said: “Due to the modular design, this A new series of electric central drives can be easily adapted to various vehicle applications, such as backhoe loaders, telescopic handlers, forestry equipment, etc. ZF added that the goal of its development system is to create a zero-emission drive System solutions without degrading performance, low noise levels, efficient electrical components, sturdy and reliable mechanical transmission systems and compact installation space.

This development is consistent with ZF's "Vision Zero", which aims to "not only reduce accidents and downtime to zero, but also reduce emissions to zero."

The new system in this pilot project has a two-speed gearbox that is used in conjunction with an electric PSM machine with a voltage of 650V (DC). Its total weight is 255kg, the maximum power is 100kW, the power is 80kW, the maximum power, including SAHR parking brake and optional 2WD and 4WD axle separation device. Editor/Bao Hongying

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