CAJ | 학술논문

低频振动扩孔"切削-分离-切削-分离"的脉冲动作使钻头在加工过程中产生纠偏效果,提高了孔的直线度;振动扩孔的脉冲切削、微细切削、重复熨压以及断屑特性使已加工表面质量得以提高.进行了坦克履带扩孔实验,并对相同条件下普通扩孔和振动扩孔的孔加工直线度和表面质量进行了比较.实验表明:振动扩孔的孔直线度比普通扩孔提高一级;振动扩孔的表面粗糙度比普通扩孔提高两级.
저빈진동확공"절삭-분리-절삭-분리"적맥충동작사찬두재가공과정중산생규편효과,제고료공적직선도;진동확공적맥충절삭、미세절삭、중복의압이급단설특성사이가공표면질량득이제고.진행료탄극리대확공실험,병대상동조건하보통확공화진동확공적공가공직선도화표면질량진행료비교.실험표명:진동확공적공직선도비보통확공제고일급;진동확공적표면조조도비보통확공제고량급.
Low-frequency vibration reaming (LFVR) with "cutting-separating-cutting-separating" pulsant action has rectification effect and improves the straightness; the characters of LFVR, involving pulsant cutting, micro-cutting, repeated pressing and disconnection chip, can improve the surface quality of holes. The reaming experiments on panzer pedrails plates were carried out and comparisons of straightnesses and surface qualities between the reaming with LFVR and the conventional were per-formed under the same conditions. The experimented results show that the straightness improves by one level and the surface roughness enhances by two levels compared to the conventional reaming.