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At present, China line cutting production enterprises industry, the vast majority of electric spark wire cutting machine of the wire frame body is often used to support a single column, double cantilever structure. Because the guide wheel supporting wire electrode in the end portion of the cantilever, also the electrode wire keep certain tension, the wire frame of the cantilever in the movement of the electrode wire does not produce deformation and vibration, we must strengthen the stiffness and strength of the wire frame body. To further improve the stiffness and strength of the wire frame, can be increased in the upper and lower between the cantilever.
In addition, for different thickness of the workpiece, and the use of wire arm opening height adjustable structure, adjustable wire frame structure is shown in figure 2-16.
The movable arm is sliding on the guide rail, and the distance from the upper and lower of the upper and lower moving is adjusted by the lead screw. The order of adjustment is to first release the fixed screw, the screw is driven by the screw fixed on the movable arm of the nut, so that the movable arm movement to the right position, adjust and then tighten the fixed screw. In order to adapt to the change of height of open wire arm, wire frame should be added in the side guide.