Wire electrical discharge machining apparatus and initial hole machining method
A wire electric discharge machining and electric discharge machining technology, applied in the field of online electric discharge machining devices, can solve problems such as failure to realize initial hole processing
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Embodiment approach 1
[0023] figure 1 It is a diagram showing the configuration of the wire electrical discharge machining device 100 according to Embodiment 1 of the present invention. The wire electric discharge machining device 100 has: a wire electrode 1, which becomes a discharge electrode; a bobbin 2, which winds the wire electrode 1 and supplies the wire electrode 1; a wire feed roller 3, which is arranged on a path where the wire electrode 1 travels; To the motor 4, which drives the wire feed roller 3; the encoder 5, which detects the rotation angle of the wire feed motor 4; and a machining power supply 7 that applies a voltage for electrical discharge machining between the wire 1 and the workpiece 10 that is a workpiece of the wire 1 via a power supply 71 in contact with the wire 1 . The wire feed roller 3 is operated in the direction of rotation by the wire feed motor 4 to feed the wire electrode 1 toward the workpiece 10 . The machining power source 7 supplies electric discharge machin...
Embodiment approach 2
[0030] image 3 It is a figure showing the structure of the wire electrical discharge machining apparatus 101 concerning Embodiment 2 of this invention. image 3 The wire electrical discharge machining device 101 is in figure 1 The structure of the wire electrical discharge machining device 100 is added with the structure of the guide tube 8, so the connection with figure 1 Description of the same structural parts as the wire electric discharge machining device 100 . exist image 3 Here, the guide tube 8 is provided below the feeder 71 and above the workpiece 10 , and the wire electrode 1 extending from the feeder 71 toward the workpiece 10 can pass through the inside of the guide tube 8 . Although not shown, the guide pipe 8 is limited to be movable only in the up-down direction. However, this structure is a structure in which the guide pipe 8 can move freely in an up-down direction. In addition, in this structure, the tip of the wire electrode 1 penetrating inside the g...
Embodiment approach 3
[0036] Figure 5 It is a figure which shows the structure of the wire electric discharge machining apparatus 102 concerning Embodiment 3 of this invention. Figure 5 The wire electrical discharge machining device 102 is in image 3 In addition to the structure of the wire electrical discharge machining device 101, the structure of the machining fluid supply pump 31, the joint 32, and the guide tube driving part 33 is added, so in Figure 5 In the drawing, a part of the wire electrical discharge machining device 102 is shown centering on the additional part, wherein the machining fluid supply pump 31 supplies the machining fluid 35, the joint 32 flows the supplied machining fluid 35 into the guide tube 8, and the guide tube drive unit 33 push out the guide pipe 8 and the connector 32 downward. omit with image 3 Description of the same structural parts as the wire electric discharge machining device 101. In the wire electrical discharge machining device 102 , the machining ...
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