the support of the Xingliao Talent Program of Liaoning Province(No.XLYC2001004);the High Level Talents Innovation Plan of Dalian(No.2020RD02);the Fundamental Research Funds for the Central Universities(No.DUT22LAB501).
SiC_(f)/SiC ceramic matrix composites(SiC_(f)/SiC composites)are difficult to drill small holes due to their heterogeneity,high hardness,and low electrical conductivity.In order to solve the difficulties of poor quali...
Supported by National Natural Science Foundation of China(Nos.52375399,91960203 and 51975035);Chinese Aeronautical Establishment Aeronautical Science Foundation(No.2022Z045051001).
Advanced hole-making process is of great importance to enhance the fatigue performance of Al-Li alloy part in aviation industry.Ultrasonic peening drilling(UPD),in which an ultrasonic transversal vibration is applied ...
the the Project on the Technological Leading Talent Teams Led by Frontiers Science Center for Complex Equipment System Dynamics(No.FSCCESD220401);the Jiangsu Funding Program for Excellent Postdoctoral Talent(No.2022ZB264).
Carbon fiber reinforced plastic(CFRP)and aluminum stacks are widely used in aviation industry due to light weight and high performance.Millions of rivet holes need to be drilled on body materials,and more than 80%of f...
co-supported by the Sichuan Science and Technology Program(Grant No.2020YFG0109);the NSAF of China(Grant No.U1830122).
Ultrasonic vibration-assisted drilling(UVAD)has recently been successfully applied in the drilling of carbon fiber reinforced polymer/plastic(CFRP)due to its high reliability.Multiple defects have been observed in the...
financially supported by CRYOMACH Project (INNO-20182049);by the ARRS – national science agency within research program 2-0266 (Advance manufacturing technologies for high quality and sustainable production/ Napredne izdelovalne tehnologije za visoko kakovostno in trajnostno proizvodnjo)
In the quest for decreasing fuel consumption and resulting gas emissions in the aeronautic sector,lightweight materials such as Carbon Fiber Reinforced Polymers(CFRPs)and Ti-6Al-4V alloys are being used.These material...
supported by the National Natural Science Foundation of China(Nos.51905024,51975035 and 91960203).
Imposing compressive residual stress field around a fastening hole serves as a universal method to enhance the hole fatigue strength in the aircraft assembly filed.Ultrasonic Peening Drilling(UPD)is a recently propose...
financially supported in-part by the Pre-research project on Civil Aerospace Technologies by CNSA(No.D020201);the National Natural Science Foundation of China(No.51905105,51775011,11932001,51635002,and U2013603);the Natural Science Foundation of Guangdong Province(No.2020A1515011262);the State Key Laboratory of Robotics and Systems(HIT)(No.SKLRS-2020-KF12);the Technology Innovation Strategic Special Funds of Guangdong Province(No.2019A050503011)。
A 2 m class robotic drill was sent to the Moon and successfully collected and returned regolith samples in late 2020 by China.It was a typical thick wall spiral drill(TWSD)with a hollow auger containing a complex cori...
co-supported by the National Science and Technology Major Project (No. 2017-Ⅶ-0002-0095);the Science Challenge Project (No. TZ2018006-0101-01);the Postdoctoral Science Foundation (No. 2019M661090)
Working performances of the components made out of 49Fe-49Co-2V alloy are closely related to the surface integrity of the drilled holes,which are influenced remarkably by the cooling conditions.The present study focus...
co-supported by the Natural Science Foundation of Jiangsu Province(No.BK20190417);the National Natural Science Foundation of China(No.52005254);the National Key R&D Program of China(No.2018YFB1306800)。
Due to the characteristics of high efficiency,wide working range,and high flexibility,industrial robots are being increasingly used in the industries of automotive,machining,electrical and electronic,rubber and plasti...
supported by the National Natural Science Foundation of China(No.U1737201);the National Science and Technology Major Project(No.2017-VII-0015-0111);the Key Basic and Applied Research Program of Guangdong Province,China(No.2019B030302010);the Science and Technology Innovation Commission Shenzhen(No.JCYJ20170412111216258).
Rotary ultrasonic drilling(RUD)has become an effective approach for machining advanced composites which are widely using in the field of aeronautics.The cutting kinematics and the corresponding material removal mechan...