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Chenhong's CNC WEDM machine has the following characteristics: ◎ Scientific and advanced double tight wire constant tension control wire electrode device ensures that the machine tool has no single side loose wire phenomenon for many years. ◎ Mechanical transmission is equipped with precision imported linear guide rails and precision ball screws. ◎ X, Y, U, V four-axis linkage rocking guide wheel type large taper configuration: 15 and 30 for user selection. ◎ The best roughness of the machined surface of the medium wire EDM machine tool is Ra≤1.0μm, and the machining accuracy is better than the national standard. ◎ Special WEDM machines can be designed and manufactured according to the user's requirements, such as super-large size, numerical control rotary table, heavy load of more than 10 tons, etc. The technical parameters of this type of machine tool are as follows: 1. Model, specification and performance description of machine tool equipment Machine tool type DK7732 Table stroke 320mm×400mm Table size 360mm×650mm Maximum bearing capacity of workbench 400kg Maximum cutting thickness 400mm Maximum cutting taper ≥±6° Maximum cutting efficiency 120 mm / min ( cr12 40 mm thick ) Maximum cutting current 5A Optimum surface roughness Ra≤1.0μm ( material Cr12 40mm thick, cutting 1 and trimming 2 techniques ) Machining accuracy ±0.01mm ( material cr122 40 mm thick 28×28mm square ) Machine power consumption 2.2 KW Electrode wire diameter 0.12～0.18mm Wire speed Variable frequency stepless speed regulation Work table to ground 800mm Handwheel movement / rotation 4mm Maximum span of wire rack 400 ( Adjustable ) Positioning indication Digital display grating ruler 2, the main performance indicators and technical requirements A basic functions: ( a ) Coordinate system: absolute coordinates, incremental coordinates ( relative coordinates ) ( b ) Graphic coordinate transformation, scaling and rotation functions, graphic display functions, real-time tracking and display of processing tracks and processing data. ( c ) Linear arc interpolation function. ( d ) Slope processing function. ( e ), upper and lower different surface processing function ( f ) Short circuit and broken wire handling functions: short circuit back - off, power-off protection, broken wire braking. ( g ), power failure memory function, power-on automatic processing, automatic shutdown after processing ( h ), automatic face - to - face, center - to - center functions. ( I ) Automatic transition arc function ( arbitrary, corner function ) ( j ) Reverse machining function. ( k ), menu technology, automatic programming function, Chinese interface and powerful drawing function. ( l ), Chinese characters, English and symbols with arbitrary deformation. ( m ) Automatic vectorization of scanned graphics. ( n ) Calculation of gear and related gear parameters. ( o ), list point curve, interpolation fitting function. ( P ), drawing type full-automatic programming, programmable function during processing. ( q ) Data transmission, with AUTOCAD and AUTOP data file interfaces, generating 3B and G codes. B specifications and mechanical configuration: ( a ) Taper stroke: 30mm for U axis and 30mm for V axis. ( b ) Machine tool travel: 320mm x axis and 400mm y axis. ( c ) Workbench load: 400kg. ( d ) Precision linear guide rail made in Taiwan, ball screw with P2 precision. ( e ) Water pump 120W. ( f ) The wire rack moves up and down a distance of 100 mm to 400 mm .. C machine tool accuracy ( according to GB7926-1987 ): ( a ) Motion vector momentum of X and Y axes: 0.005mm. ( b ) Motion vector momentum of U and V axes: 0.01mm. ( c ) X axis positioning accuracy: 0.03mm. ( d ) X - axis repeat positioning accuracy: 0.002 mm. ( e ) Y axis positioning accuracy: 0.03mm. ( f ) Repeat positioning accuracy of Y axis: 0.002mm. ( g ), u, v axis positioning accuracy: 0.025 mm. ( h ), U, V axis repeated positioning accuracy: 0.01 mm. ( I ) verticality of molybdenum wire and workbench: adjustable to ≤ 0.01 mm. ( j ) Radial runout of wire storage cylinder ≤0.03mm. ( k ) The amount of molybdenum wire stored in the wire storage cylinder is 300m. ( l ), pulse equivalent of 0.001mm .. Control system Bench - type middle wire walking control system 1. The monitor and computer host are placed above the desktop control cabinet 2, high-power digital circuit high-frequency power supply 3. Multiple Cutting Control System