Shield machine, also known as Tunnel Boring Machine (TBM), is recognized as the most representative major key equipment that can measure the level of a country’s equipment manufacturing industry. As it is often engaged in underground work, we seldom see it normally.
The shield machine is a major piece of equipment for China’s infrastructure construction, undertaking the important task of crossing mountains and rivers across the sea.
In the field of shield machine, since 2009, WAZHA Group has been designing and producing shield machine supporting main shaft bearings, hob bearings, reducer bearings, assembler bearings and conveyor bearings for domestic industry head customers and various famous brands.
The shield machine main bearing, known as the “heart” of the shield machine, bears the main load during the operation of the shield machine and is a key component of the cutter drive system. The domestic shield machine main bearing market was once monopolised by foreign brands.
As a national innovative enterprise, Wazhaft Group has always adhered to the mission of “making more durable bearings”, focusing on “neck” technology solutions, and has completed the new production and remanufacturing of spindle bearings for many well-known domestic enterprises, helping shield machines to use We have completed the new production and remanufacturing of spindle bearings for many well-known domestic enterprises, helping shield machines to use more “Chinese hearts”.
At present, the spindle bearing specifications include 1.6m/2.7m/3.0m/3.6m/4.5m/4.8m, and the hob bearing sizes include 9/12/13/15/17/19/21 inch, realising a full range of hob bearings. The hob bearings have been used in engineering applications up to 200Mpa and meet the requirements of the working conditions.
Wazhaft Group has forging and heat treatment production processes and production bases for inner and outer rings, rolling elements, cages and other components.
In order to ensure the processing accuracy and the effective control of the whole process technology of the shield machine bearings, all the components required for the bearings are manufactured by the Group’s own factories, ensuring that the production chain is fully closed and the factory inspection process is very strict. At the same time, the performance and durability tests of the bearings are carried out for the ultimate speed, variable speed, high and low temperature, sealing, etc. to provide a scientific basis for bearing design optimization and failure analysis.
The “China Shield Engineering Technology Symposium”, initiated by Beijing Shield Engineering Association, is held every two years and has been successfully held for five times. The conference has become a guidepost for the development of the industry as it has become more and more influential with its wider and wider coverage of participants.
The scale of the last conference reached more than 800 people, and the participating construction units and construction units were all over the country. The “China Shield Engineering Technology Symposium” has become a shield event leading the development of the industry and serving the development of the industry.
The 6th China Shield Engineering Technology Symposium will be held under the theme of “Large Diameter, Intelligent Design, Manufacturing and Construction” to actively discuss green shield, intelligent shield, and promote the healthy and sustainable development of the industry. The 6th China Shield Engineering Technology Symposium will focus on the theme of “Large Diameter, Intelligent Design, Manufacturing and Construction” to actively discuss green shield and smart shield and promote the healthy and sustainable development of the industry.
The 6th China Shield Engineering Technology Symposium and International Forum on Intelligent Construction Technology for Large Diameter Shields will be held in Wuhan on April 22, 2023. As a pioneer representative of the industry, Wazhain Group will attend this event.
Time: April 22-24, 2023
Venue: Wuhan, Hubei, China Guanggu Science and Technology Exhibition Centre
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