TYHI is one of the earliest manufacturers of wind power shaft, with advanced professional finish machining production line for wind power shaft with 7 sets CNC lathes, 1 set NC grinding machines and the corresponding constant temperature room, cleaning room, sandblasting room，thermal zinc-spraying room, painting room, drying room and dust removal system etc. The equipment is designed and built according ...
Main shafts is widely used in various onshore and offshore wind turbines; it has been exported to the American market.
TYHI has the domestic advanced smelting and forging system, it produces various kinds of forgings with blank weight less than 240t, and the annual output of forgings reaches 130000t.
TYHI is the main forging production base in north China; it has professional technical team work on heavy forging materials research, product development and process design.
TYHI has complete quality management system, product certification system, physical and chemical testing methods; it can meet the quality assurance requirements of various kinds of forgings.
Type
Max Diameter
Max Length
Max Weight of
Rough Machining
Max Height
Shaft type forging
Φ3000mm
16000mm
140t
Disc type forging
Φ6000mm
200t
Ring forging
ODΦ6300mm
150t
3800mm
Cylinder forging
ODΦ3500mm, IDΦ1200mm
8000mm
100t
In the past ten years, TYHI has produced more than 5000 sets of main shafts; it has been passed the capability audit of turbine manufacturer and continuous provides main shafts. TYHI has established strategic cooperative relations with customers such as Siemens gamesa, United Power technology co., Ltd., Shanghai electric power group, Dongfang electric wind power co., Ltd., and CRRC etc. The products are exported to the United States and other countries and regions; it is the main domestic production base of wind power shaft.
TYHI has obtained the works approval of CCS, NK, NDV&GL, LR, ABS and BV.
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