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    What is a wire cutting machine?

    release time:2018-12-21  viewed:6042次
     Wire Electrical Discharge Machining (WEDM) is a field of electrical machining. Its basic operation principle is to use a continuous moving thin wire (called a wire) as an electrode, and perform pulse spark discharge on the workpiece to remove metal and cut. Open molding. At this stage, a current is formed between the two plates. Leading to numerous collisions between particles, forming a plasma zone, and quickly rising to a high temperature of 8000 to 12000 degrees, melting some materials instantaneously on the surface of the two conductors, and at the same time, forming a bubble due to vaporization of the electrodes and the dielectric fluid, And its pressure gauge rises until it is very high. Then the current is stopped and the temperature is suddenly lowered, causing the bubble to inwardly explode. The generated power throws the dissolved material out of the crater, and then the corroded material recondenses into a small sphere in the dielectric liquid and is discharged by the dielectric liquid. Then through the monitoring and control of the NC control, the servo mechanism performs, so that the discharge phenomenon is uniform and then cut. At present, the EDM wire cutting machine at home and abroad has accounted for more than 60% of the total number of electric machine tools, and the best in Suzhou Baoma CNC. The main advantages of wire cutting are small machining allowance, high machining accuracy, short production cycle and low manufacturing cost.
    The electric discharge line cut classification distinguishes the fast-cut wire from cutting, the middle wire is cut, and the wire is cut slowly. 1: The wire speed of the fast wire EDM is 6~12 mm/s, and the wire is used for high-speed reciprocating motion, and the cutting accuracy is poor. 2: The medium-cut wire EDM is a new process developed in recent years based on the cutting of the fast-moving wire. 3: The wire speed of the slow wire EDM line cutting is 0.2mm/s, and the wire wire is made in a low speed one-way motion, and the cutting precision is very high.

    A previous: How to choose a wire cutting machine?
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