The ZF Group is headquartered in Friedrichshafen on the shore of Lake Constance in the south of Germany, across the lake from Switzerland and Austria. It was founded in 1915 by the Count of Zeppelin. ZF specialized in the manufacture of airship transmission systems in the early days, and it quickly developed into an important partner in the emerging automotive industry at the time, and expanded in other areas of transmission technology with its innovative products. The ZF Group mainly includes the Friedrichshafen Main Plant, the Pasau Co., Ltd. and the Saar Buji Branch, the Gmünd Steering Machine Branch, the Sacos Company, the Italian Branch, the Brazilian Branch, the American Branch and the South Africa. Branch and so on.
As a professional and internationally renowned company, ZF has applied its experience in high-tech fields, including aviation technology, to automobiles and engineering machinery, and has become an industry in the world of modern technology development in transmission systems, steering systems and traveling mechanism systems. group.
Liuzhou ZF Machinery Co., Ltd. is a joint venture invested by ZF Group and Guangxi Liugong Group Co., Ltd. to produce transmission parts for construction machinery.
The Liugong full range of graders are equipped with ZF gearboxes ZF6WG158 and ZF6WG200.
First, ZF 6WG200 gearbox advantages:
1. Forward 6th gear and 3rd reverse gear, the gear position is less than the full mechanical gearbox, which simplifies the vehicle's operating system and effectively reduces the driver's operating intensity. Power shifting, smooth shifting, power interruption during shifting, electro-hydraulic control, easy operation and convenient installation.
2. Safety: The engine starts the interlock function, allowing the engine to ignite when the shift handle is in neutral.
3, direct shift function: direct shift is to use SG-6s handle and E module, the driver directly through the joystick to achieve the corresponding gear position, E module to protect the lift gear according to the speed, can effectively protect the gearbox, clutch .
4. Using hydraulic torque converter, using torque converter to transmit power, can realize deceleration and increase torque, and at the same time make the whole machine equipment have good automatic adaptability; can automatically absorb and reduce the vibration and impact of engine and external load, resistant Impact, effectively improve the life of the equipment.
5, the transmission torque converter maximum output torque can reach 1500Nm, can (provide greater traction) to withstand greater torque, higher reliability.
6. High-precision gear manufacturing, high transmission efficiency, low fuel consumption, low noise, advanced technology and high reliability.
7. High work efficiency: The best power matching and fuel economy combined with power management ensure that the production efficiency reaches the optimal level. After reasonable matching calculation and test verification, ZF6WG200 gearbox has lower fuel consumption and low noise.
8, low maintenance rate, long working life, an average of 10,000 hours without opening the box.
9. The design of the shift control valve is excellent, which is convenient for users to detect.
10, fixed-axis design, simple structure, modular design, manufacturing difficulty, low cost, gear control oil circuit is simple, easy to achieve multi-gear gearbox. Maintenance is more convenient. It can automatically absorb shocks and protect the transmission system.
Second, ZF 6WG158 gearbox advantages:
The 6WG158 box structure is similar to the 6WG200 box. The shift control system and the parking brake type differ from the 6WG200 box: 6WG200 box is the manual direct shift mode, 6WG158 box is (shift control handle VTS-3) + (fully automatic Control system EST-125) Fully automatic shifting mode (with semi-automatic mode, commonly known as manual mode); 6WG158 box is a shoe-type parking brake, and 6WG200 box is a disc-type parking brake.
(This article is from Liugong)
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