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Xi Zeng,Shi-ming Ji,Ming-sheng Jin,Da-peng Tan,Jue-hui Li,Wen-tao Zeng 한국정밀공학회 2014 International Journal of Precision Engineering and Vol. No.
In order to improve material removal rate of laser hardening workpiece and also make machining tool suitable for free-form surface,a new method based on the softness consolidation abrasives (SCA) is put forward, which means the abrasives are consolidated onthe outer layer of pneumatic wheel to achieve the softness-machining. Binder selecting test shows that acidic silicone is proved tosuit for consolidating particles in cutting process. Combined with robot, the machining system has been established. The machiningeffects of SCA are investigated when it faces with workpiece of different hardness. According to the Preston predicted model, thesimulation results of stress and velocity are proven by analysis of average roughness in the contact region. The contrastive machiningexperimental results show that SCA can supply high cutting stress for material removal and fit for freeform surface’s machining byself-adjustment of flexible body.