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第二届亚洲机械电子学学术会议

作者： hua qiu department of mechanical engineering,faculty of engineering,kyushu sangyo university 2-3-1 matsukadai,higashi-ku,fukuoka city,813-8503 japan

This paper reports the author’s recent work to improve the measuring performance of the autonomous form measuring device developed previously,which is applicable to autonomously inspecting profiles of free form surfaces on a machining *** main improvements includes acceptation of a gap sensor to precisely detect the reference position along a canning line,an AC servo motor to smoothly perform the autonomous movement following the profile to be measured,and a new type of laser displacement detector to enhance the measurement capability to the different states of *** results of verification experiments with the new device sufficiently demonstrate the effectiveness of these improvements.

关键词： Autonomous form measurement Free form surface Machining center Performance improvement

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STUDY FOR SIMULATION AND EXPERIMENT ON THE MODEL OF CUTTING FORCE IN HIGH-SPEED DRY GEAR HOBBING

STUDY FOR SIMULATION AND EXPERIMENT ON THE MODEL OF CUTTING ...

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2006年中国机械工程学会年会暨中国工程院机械与运载工程学部首届年会

作者： LIN Chao, GUO Qian*, qiu hua *State Key Lab. of mechanical Transmission, Chongqing university, Chongqing, China department of mechanical engineering, faculty of Engeering, kyushu sangyo university, fukuoka, japan

This paper establishes model of cutting force in high-speed dry gear hobbing based on hobbing machining principle and metal cutting theory, derives out the calculation method of cutting force on the c

关键词： High-speed dry hobbing cutting force simulation.

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Performance Improvement of the LM Device and Its Application to Precise Measurement of Motion Trajectories within a Small Range with a Machining Centre

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Modern mechanical engineering 2012年第3期2卷 71-85页

作者： hua qiu Yong Yue Akio kubo Chao Lin Kai Cheng Dehong Huo Dayou Li 1department of mechanical engineering Faculty of Engineering Kyushu Sangyo University Fukuoka City Japan Advanced Manufacturing and Enterprise engineering department School of Engineering and Design Brunel University Uxbridge UK department of Computer Science and Technology University of Bedfordshire Luton UK department of mechanical engineering Faculty of Engineering Kyushu Sangyo University Fukuoka City Japan Product Design and engineering department School of Engineering and Information Sciences Middlesex University London UK State Key Laboratory of mechanical Transmission Chongqing University Chongqing China

In order to apply the LM device previously developed to precisely measuring small motion trajectories located on the different motion planes, three major improvements are successfully performed under the condition of completely maintaining the advantages of the device. These improvements include 1) development of a novel connection mechanism to smoothly attach the device to the spindle of a machining centre;2) employment of a new data sampling method to achieve a high sampling frequency independent of the operating system of the control computer;and 3) proposal of a set-up method to conveniently install the device on the test machining centre with respect to different motion planes. Practical measurement experiment results with the improved device on a machining centre sufficiently demonstrate the effectiveness of the improvements and confirm several features including a very good response to small displacement close to the resolution of the device, high precision, repeatability and reliance. Moreover, based on the measurement results for a number of trajectories for a wide range of motion conditions, the error characteristics of small size motions are systematically discussed and the effect of the movement size and feed rate on the motion accuracy is verified for the machining centre tested.

关键词： Motion Accuracy Measurement Device Performance Improvement Small Size Motion Machining Centre

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