机译:材料特性和冲头半径对90°V弯曲过程中弹簧前进的影响
Manufacturing Department, Technology Faculty, Gazi University, Ankara 06500, Turkey;
Mechanical Education, Institute of Science and Technology, Gazi University, Ankara 06500, Turkey;
Machine and Metal Technology Department, Vocational High School, Sinop University, Sinop 57000, Turkey;