Processing device and processing method
A processing device and processing method technology, applied in metal processing equipment, electric processing equipment, manufacturing tools, etc., can solve the problems of low processing rate and efficiency, long time spent on workpieces, long processing time, etc., and achieve the goal of improving processing efficiency. Effect
Active Publication Date: 2018-06-29
GENERAL ELECTRIC CO
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Problems solved by technology
However, during the pause time between two voltage pulses, no sparking or arcing occurs and material from the workpiece is not removed
In this way, the processing rate and efficiency are low, and it takes a long time to process the workpiece
Especially for products with complex processing and forming, processing takes a lot of time
For example, processing high-pressure diffusion nozzles, high-pressure diffusion nozzles have a large number of blades and each blade has a complex shape, which requires a large number of voltage pulses to generate countless electric sparks or arcs to complete a turbine blisk, so the processing time is very long
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[0016] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any sequence, quantity or importance, but are only used to distinguish different components. Likewise, words like "a" or "one" do not denote a limitation in quantity, but indicate that there is at least one. Words such as "comprises" or "comprising" and similar terms mean that the elements or items listed before "comprising" or "comprising" include the elements or items listed after "comprising" or "comprising" and their equivalents, and do not exclude other component or object. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
[0017] figu...
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The invention relates to a machining device and a machining method. The machining device comprises a plurality of electrode sets and a power supply system, wherein each electrode set comprises one or more electrodes, and the power supply system is connected with the electrode sets and used for providing successive voltage pulses for the electrode sets to excite the electrode sets to discharge successively. The invention further relates to the machining method. The machining method comprises the following steps that the multiple electrode sets are provided, each electrode set comprises one or more electrodes, the placed electrode sets are close to a work-piece, provide machining liquid for the portion between the electrode sets and a work-piece, and provide a plurality of voltage pulses for the electrode sets to remove materials from the work-piece, and the voltage pulses are generated successively to excite the electrode sets to discharge successively.
Description
technical field [0001] The invention relates to a processing device and a processing method, in particular to a processing device and a processing method for electric discharge machining workpieces. Background technique [0002] Currently, the Electrical Discharge Machining (EDM) method is used to cut or shape conductive materials such as steel, graphite, silicon, and magnetic materials, and is commonly used to machine metal workpieces. An electrical discharge machining device implementing an electrical discharge machining method includes electrodes for machining a workpiece. In EDM, a direct current and a machining fluid are supplied between the workpiece and the electrode to create an electric spark or short arc. A gap of about 0.01 millimeters to about 0.50 millimeters exists between the machining tip of the electrode and the workpiece, into which the machining fluid is provided. The machining fluid is partially ionized by direct current, thus creating a spark or brief ...
Claims
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IPC IPC(8): B23H1/02B23H1/04
CPCB23H1/02B23H1/04
Inventor 罗元丰魏斌袁人炜高清
Owner GENERAL ELECTRIC CO