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035 _a.b12050775
099 9 _aAIT Thesis no.ISE-07-04
100 0 _aNguyen Van Ut
245 1 0 _aDesign and manufacturing of a two-axis servo table for abrasive waterjet machining
260 _aPathum Thani, Thailand :
_bAsian Institute of Technology,
_c2007
300 _a48, [16] p. :
_bill.
490 1 _aThesis ;
_vno. ISE-07-04
500 _aA thesis submitted in partial fulfillment of the requirement for the degree of Master of Engineering in Design and Manufacturing Engineering, School of Engineering and Technology
502 _aThesis (M.Eng.) - Asian Institute of Technology, 2007
520 _aAbrasive waterjet machining (A WJ) is a nontraditional machining process where its main activity is in cutting process for a wide range of materials. A WJ delivers a good quality cut with low heat affected zone; therefore, it is suitable for applications that are sensitive to thermal deformation. However, AWJ machine, similar to other CNC machines, is not flexible and not user friendly. Many lines of G-code commands are required for generating tool path to perform any contour cut. The more complex the contour is, the longer and more complicated the tool path program will be. Consequently, working on a new contour, unavoidably, consumes time, is prone to error, and requires experience. In order to effectively utilize the capability of A WJ, this research focuses on improving man-machine interface that allows inexperience users to complete cutting any complicated contours in very short period of time without writing a single G-code. A two-axis servo table with a user-friendly LabVIEW-based program has been developed and tested. This developed system allows a user to input commands by dragging a mouse to draw a desired shape. The table, then, controls the movement of a workpiece relative to a fixed waterjet nozzle immediately after the drawing is finished. The system performance has been tested by cutting ceramic tiles. Its cut results have been evaluated and compared with similar parts cut by operating the movement of the nozzle. The cut quality is comparable, but tool path generation is effortless. This research makes it possible to achieve several quality cuts of different contours in minutes rather than in days
650 0 _aWater jet cutting
700 0 _aPisut Koomsap,
_eChairperson
700 1 _aBohez, Erik L.J.,
_eExamination Committee
700 1 _aHuynh, Trung Luong,
_eExamination Committee
710 2 _aElectricity of Vietnam (EVN),
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. ISE-07-04
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B10923
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