High speed wire-moving electric spark wire cut-off large-thickness processing electrode wire
A technology of electric discharge wire and electrode wire, which is applied in the direction of electric processing equipment, electrode manufacturing, metal processing equipment, etc., can solve the problems of difficult wire speed, difficulty, and large specific weight, and achieve the effect of improving stability and cutting efficiency
Inactive Publication Date: 2008-01-16
GUANGDONG UNIV OF TECH
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Problems solved by technology
Now the wire speed of the fast wire cutting machine tool has reached more than 10m / s, and it is difficult to further increase the wire speed
This is because: (1) The increase of the wire speed will inevitably cause the vibration of the electrode wire to increase, which is not good for improving the processing accuracy; (2) The size of the wire drum must be increased to increase the wire speed, otherwise the reversing The proportion of time in the total time is too large, but the processing speed will be reduced, and it is difficult to increase the size of the rolling drum
Method used
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[0012] According to the accompanying drawings in the manual, the following specific instructions are given:
[0013] Table 1
[0014] serial number
the symbol
name
value
1
D
circumcircle diameter
φ0.15~0.50mm
2
d
Inscribed circle diameter
φ0.12~0.40mm
3
C
Slot angle
10°～60°
4
n
Number of slots
3～6
5
A
Groove
Evenly distributed on the circle
[0015] Explanation: The range enclosed by the thick solid line is the cross-sectional shape of the wire electrode of the present invention. Open n grooves on the circumscribed circle. The number of grooves can be 3, 4, 5, or 6. The n grooves are evenly distributed on the circumscribed circle according to a certain angle C. The shape A of the groove can be as shown in the figure The shape shown in 1 can also be a semicircle or a semiellipse. The diameter d of the inscrib...
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Abstract
The invention discloses a processing wire electrode for cutting high speed walking wire electric spark wire of large thickness. The circumference of the circumcircle of an ordinary molybdenum wire is opened with a plurality of grooves, which are distributed on the circumference of the circumcircle symmetrically and evenly. The shape of the groove is composed by the angle inside the groove and the diameter of the inscribed circle. The wire electrode of the invention improves the thickness of the cut workpiece material, the stability of the cut workpiece of super-thickness, and the efficiency of the cut workpiece of super-thickness. When the wire electrode of the invention is used to cut workpiece of super-thickness, the cutting speed will be five to ten times than that of the present level, and the level of cut workpiece of super-thickness will be further improved, and the cut thickness of the workpiece will be improved to more than 1000mm.
Description
technical field [0001] The invention relates to a high-speed wire electric discharge wire cutting large-thickness machining electrode wire. Background technique [0002] Electrospark Erosion, also known as Electro Discharge Machining and Electroerosion Machining, is called EDM in Japan and Electroerosion Machining in the former Soviet Union. It is a method of processing materials by using the electrocorrosion phenomenon generated during pulse discharge between the two electrodes. Academically it belongs to the category of electrophysical processing. EDM technology is one of the most important parts of special processing technology. The wire electric discharge cutting technology is one of the important members of the electric discharge machining technology. The principle is to use the corrosion phenomenon generated during the pulse discharge between the two electrodes to process the material according to a certain trajectory. The traditional machining method uses the rela...
Claims
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IPC IPC(8): B23H7/08
Inventor 郭钟宁张永俊万自尧刘江文
Owner GUANGDONG UNIV OF TECH