Minuteness milling tool spark-erosion machining method and electrode special for the same

A technology of micro-milling and processing methods, applied in electric processing equipment, electrode manufacturing, metal processing equipment, etc., can solve the problems of micro-milling cutter manufacturing problems, etc., and achieves the advantages of eliminating ionization, overcoming easy wire breakage, accurate size and easy Effect

Inactive Publication Date: 2008-01-23
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
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Problems solved by technology

[0005] The purpose of the present invention is to provide a micro electric discharge machining method for a micro milling to...

Method used

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  • Minuteness milling tool spark-erosion machining method and electrode special for the same
  • Minuteness milling tool spark-erosion machining method and electrode special for the same
  • Minuteness milling tool spark-erosion machining method and electrode special for the same

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Embodiment Construction

[0013] Fig. 1 is a schematic diagram of a micro-grooved disc electrode of the present invention.

[0014] Fig. 2 and Fig. 3 are two schematic diagrams of a preferred embodiment of the electric discharge machining method of the micro milling cutter of the present invention.

[0015] (1) Make a micro-slotted disc electrode, and clamp the prepared micro-slotted disc electrode on the high-speed spindle.

[0016] (2) Place an electric discharge machining device equipped with a micro-slotted disk electrode on the side of the micro-milling cutter, and process the cutter body part of the micro-milling cutter.

[0017] (3) Place an electric discharge machining device equipped with a micro-slotted disk electrode under the cutter head of the micro-milling cutter to process the cutting edge of the micro-milling cutter.

[0018] (4), the machining diameter of the micro milling cutter is 50 microns, and the machining length of the cutter body is 2000 microns. In steps (2) and (3), the work...

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Abstract

The invention discloses an anu milling cutter electrical sparkle process method and the special electrode, which belongs to the anu process filed. The method is characterized in that: the invention adopts formed anu opening groove round plate electrode, which utilizes high speed main axle to drive the anu opening groove round plate electrode rotate, process a cutter and a cutting blade of the anu milling cutter by the method of discharging milling way at the rotating outer edge; wherein, according to the diameter and length of the cutter of the anu milling cutter, ensure the discharge index of electrical sparkle process. The process method in the invention is simple, which can change the structure of the cutter conveniently, and achieve small diameter of the cutter, at the same time, the process surface has good quality and high material removing rate, the manufacture cost of the cutter is low.

Description

technical field [0001] The invention relates to an electric discharge machining method for a micro milling tool and a special electrode thereof, belonging to the field of micro machining. Background technique [0002] The preparation process of micro-milling cutter is one of the difficulties restricting the development of micro-milling processing technology. Technical means such as focused ion beam processing, ultrasonic vibration grinding, laser beam processing, and precision grinding are currently the main preparation technologies for micro-milling cutters. The problem is manufacturing capacity and cost and efficiency issues. The material removal rate of focused ion beam processing is low, the processing time is long, and it is difficult to obtain a concave surface shape. At the same time, the equipment is expensive, and the cost of micro milling cutter production is high and the cycle is long. Ultrasonic vibration grinding is used to manufacture micro-milling cutters. Th...

Claims

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Application Information

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IPC IPC(8): B23H9/00B23H9/08B23H1/00B23H7/12B23H1/04
Inventor 李亮何宁曹自洋
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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