On April 28, the HW18710T full synchronizer high-torque gearbox, independently developed by Dazhe Co., Ltd., rolled off the assembly line at the Grand Tooth Assembly Plant. The product successfully passed bench and static torsion tests and was then shipped to China National Heavy Duty Truck Group Corporation for a full truck road test. This achievement marks a significant milestone, demonstrating the company's capability in producing large gears and ensuring the timely delivery of Iranian export vehicles.
Earlier, on March 6, General Manager Cai Dong of China National Heavy Duty Truck Group Corporation chaired the "Transmission R&D Conference," where he emphasized that Big Tooth Company must fully organize and develop the HW18710T full synchronizer gearbox according to the specific needs of the Iranian market. He also set a deadline of May 10th for the delivery of the five prototypes for loading verification. At the same time, the company aimed to achieve mass production capacity by the end of May to ensure the scheduled delivery of export vehicles to Iran.
In line with the strategic plan of China National Heavy Duty Truck Group Corporation, Big Tooth Company quickly established the HW18710T Full Synchronizer Gearbox Project Development Leading Group, led by General Manager Wu Zhenghe. A project kick-off meeting was held immediately to clearly define technical, process, quality, and trial production requirements, as well as key deadlines. The technical center, engineering manufacturing department, equipment department, production department, production preparation workshops, and new product workshops all worked efficiently, overcoming challenges with determination and a spirit of perseverance. They achieved one remarkable success after another.
The entire design process took just 16 days, while the transition from process planning to manufacturing required 36 days. By April 28, the first prototype had already been tested on the bench. However, the journey wasn’t without obstacles. During subsequent bench tests, engineers and technicians applied their knowledge and experience to solve multiple technical issues. By May 12, all tests were completed successfully, and the test data met the technical design specifications.
The successful trial production of the HW18710T full synchronizer gearbox not only fulfilled the R&D tasks assigned by China National Heavy Duty Truck Group Corporation but also marked a new achievement in Big Tooth’s product development. It is a practical demonstration of the scientific development concept, showing the company’s commitment to innovation, efficiency, and excellence.
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