关键词: 嫁接机, 切削装置, 力学特性, 切削参数, 切面质量, 砧木

Abstract: In order to provide a design basis and related parameters for the cutting device of a grape seedling grafting machine, a measuring device for cutting parameters of grape seedlings was developed. The device consisted of a cutting module, measurement and control module, and support module, which could control the grafting tool to cut at the set speed and record cutting resistance, displacement, and speed parameters in real time. The cutting resistance and cutting surface quality of SO4 grape rootstock with cutting parameters were experimentally studied. The experimental results showed that increasing the cutting speed could reduce the section structure. The ideal section quality could be obtained when the cutting speed was ≥4 mm/s. When the cutting speed of rootstock with a thickness of 7.5-10.5 mm was controlled between 4-10 mm/s, the maximum cutting resistance was the smallest, which could be called the best cutting speed. The maximum cutting work in the optimal cutting speed range was about 5.05 J. In the optimum cutting speed range, the cutting resistance increased with the increase of rootstock coarseness, and the maximum cutting force was 728 N. This paper could provide a reference for the design of cutting devices of grafting machines.

Key words: grafting machine, cutting device, mechanical properties, cutting parameters, section quality, root stocks