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НОВОСТИ

UEC is making a polymer composite fan blade for the PD-35 engine

21.01.2021
Rybinsk, January 21, 2021

While developing the PD-35 engine, United Engine Corporation of Rostec State Corporation is trying out manufacturing methods for a polymer composite fan blade.

The use of wide-chord fan blades made of polymer composite materials in the engine design is a prerequisite for the implementation of the PD-35 program. The manufacturing technology of polymer composite blade is a critical one pertaining to the most advanced research trends and meeting extremely high quality and efficiency requirements. Without employing this technology, it will not be possible to reach the target competitive performance of the engine under development.

In order to mitigate risks, UEC has taken a decision to follow the two technological axes: ply-by-ply laying-out of prepreg in a mold with subsequent autoclave curing ("prepreg" technology) and making a three-dimensional woven reinforcing preform followed by pressure impregnation in a mold and curing ("3D weaving" technology). The new process is being tested for the engine PD-14 size (i.e. a smaller blade of 750 mm versus 1250 mm).

"The head design organization of DP-35 - Aviadvigatel - made extensive efforts in 2020 to master the "prepreg" technology, including tests of a prototype fan as part of a PD-14 engine. The development of 3D weaving is assigned to the designer of the PD-35 low pressure compressor – UEC-Saturn. To date, some components which are similar from the standpoint of design and a set of demo fan blades have been manufactured by 3D-weaving. It is planned to conduct a few comparative tests of polymer composite fan blades made in accordance with the both processes in 2021," said Yury Shmotin, Deputy General Director - General Designer, UEC.

Only domestic materials are used to try out the technologies. The development of the technologies and the manufacture of prototypes are going on with lots of  co-contractors involved (outsourcing). An investment project has been launched within UEC in order to organize pilot production of fan blades.

There is a plan for 2021 to issue work design documents for the fan blade fitting the PD-35. The documents will take into account the design experience gained for the demonstrator engine size. By now the industrialization of the PD-35-size blade has already been kicked off and that implies plenty of fixtures, molds, special-purpose machining tools etc. The first fan blade samples of the PD-35 size are supposed to be available in 2022. 

The start of serial production and the volume of output are inseparably linked with PD-35 project forecasts, this technology may also be applied to the new PD-14 version. It is possible that parts of polymer composites will be manufactured for outside customers.


Contact details for mass media: press@uec-saturn.ru


UEC-Aviadvigatel is a Russian design office engaged in the development of aircraft and industrial gas-turbine engines as well as is part of United Engine Corporation.

UEC-Saturn PJSC is an engine-manufacturing company specialized in the design and development, production and after-market support of gas turbine engines for commercial aviation, power generation and gas compression as well as for ships and vessels.
UEC-Saturn is part of United Engine Corporation.

United Engine Corporation JSC (a Rostec State Corporation company) is an integrated organization specialized in the design and development, serial production and after-market support of engines for military and commercial aviation, space programs, the Navy as well as for the oil and gas industry and power generation.

Rostec State Corporation is one of the biggest industrial companies in Russia. It includes over 800 scientific and production enterprises in 60 regions of the country. The key areas of activity are aircraft industry, radio electronics, medical technologies, innovative materials etc. The Rostec portfolio spans such renowned brands as AVTOVAZ, KAMAZ, UAC, Russian Helicopters, UEC, Uralvagonzavod, Shvabe, Kalashnikov Concern and others. Rostec is fully engaged in the implementation of 12 national projects. The company is a key supplier of Smart City technologies, it deals with the digitalization of state management, industry, social sectors, devises development plans for 5G wireless communication technologies, industrial Internet of Things, big data and block-chain systems. Rostec is a partner of the world's leading manufacturers such as Boeing, Airbus, Daimler, Pirelli, Renault etc. The corporation's products are delivered to more than 100 countries. Almost a third of the company's receipts comes from the export of high-tech products.


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