CN103406610A - Electric spark processing method for electrode with simple shape processing and formation shape - Google Patents

Electric spark processing method for electrode with simple shape processing and formation shape Download PDF

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Publication number
CN103406610A
CN103406610A CN2013103152622A CN201310315262A CN103406610A CN 103406610 A CN103406610 A CN 103406610A CN 2013103152622 A CN2013103152622 A CN 2013103152622A CN 201310315262 A CN201310315262 A CN 201310315262A CN 103406610 A CN103406610 A CN 103406610A
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Prior art keywords
electrode
shape
processing
workpiece
machine
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CN2013103152622A
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CN103406610B (en
Inventor
丁浩
王超
朱世根
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Donghua University
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Donghua University
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Publication of CN103406610B publication Critical patent/CN103406610B/en
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Abstract

The invention provides an electric spark processing method for an electrode with simple shape processing and formation shape. With the adoption of an electrode with simple shape processing and formation shape part, shape errors caused by electrode loss problem in the processing of a complex formation shape part are solved. The electric spark processing method comprises the following steps: a complex formation shape is converted into two simple shapes generated via a penetrating or crossing manner with software, and the opposite position of a simple electrode and the processed work piece is determined; feeding accuracy of the electrode processing is ensured by utilizing an electrode director, and a proper fixture is selected to ensure the relative position of the work piece and the electrode; and a proper electrode spark machine tool is selected for processing. The method has the advantages that the electrodes with the simple shapes are used for replacing processing formation parts of formed electrodes, shape errors caused by electrode loss are avoided, the design and the manufacturing process of the formation electrode are avoided, and the processing of the electric spark processing is simplified.

Description

The electric discharge machining method of simple shape electrode machine-shaping shape
Technical field
The invention belongs to the spark erosion technique field, particularly relate to a kind of electric discharge machining method of simple shape electrode machine-shaping shape.
Background technology
Spark erosion technique is applicable to the processing of irregularly shaped part, particularly at die industry, obtains larger application.According to the shape need of product, design corresponding shaped electrode, processing mold.Because export license in process is relatively less, so shaped electrode can guarantee machining accuracy.But in small size, add man-hour with the part of forming shape, fine shaped electrode loss is relatively large, can't guarantee last part processing precision.The processing and manufacturing difficulty of fine shaped electrode, the mass manufacturing time is long, expense is high, serious export license is arranged and can't promote the use of in process.Selecting to adopt the simple shape electrode to replace shaped electrode processing is up-and-coming thing.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of electric discharge machining method of simple shape electrode machine-shaping shape, increases work efficiency.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electric discharge machining method of simple shape electrode machine-shaping shape is provided, and its step is as follows:
A, will have special shape products be converted into by two simple shapes by pass through mutually or intersect after obtain according to two simple shapes that obtain, determine the geomery of workpiece and simple machined electrode;
B, determine the relative position between workpiece and simple electrode;
C, selection electrode locate mode, guarantee the electrode feed accuracy;
D, the required fixture of selection fixation workpiece, adjust fixture and make workpiece and electrode to correct position;
E, the spark-erosion machine tool parameter is set, carries out the processing of special-shaped shape.
It is the simple circle post shapes of 0.25mm, the cylinder bar processing that diameter is 0.28mm that described steps A electrode adopts diameter.
Described step B adopts the analysis of ProE software simulation, conversion results to determine the relative position between cylinder electrode and workpiece.
Described step C adopts the special-purpose aperture electrode guider of diameter 0.25mm to guarantee the electrode feed accuracy.
Pulse width in described step e machine tooling be 0.7ms, pulse rest for 0.7ms, processing electric current be 0.1A, electrician's electric capacity be 2000P, servoly be given as 55%, vibration frequency is that 800HZ, crest voltage are that 100V, processing feeding depth are 2mm and to select deionized water be working solution.
Beneficial effect
Simple shape electrode provided by the invention replaces the processing method of shaped electrode can process accurately required forming shape, has saved design and the manufacture process of shaped electrode, has simplified the technological process of spark machined.
The accompanying drawing explanation
Fig. 1 is the preprocessing forming shape.
Fig. 2 is that the forming shape machining needs electrode.
Fig. 3 is that the forming shape machining needs workpiece.
Fig. 4 is electrode processing work schematic diagram.
Fig. 5 electrode and workpiece relative position schematic diagram.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only are not used in and limit the scope of the invention be used to the present invention is described.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
A kind of electric discharge machining method of simple shape electrode machine-shaping shape, its step is as follows:
A, will have special shape products be converted into by two simple shapes by pass through mutually or intersect after obtain according to two simple shapes that obtain, determine the geomery of workpiece and simple machined electrode;
B, determine the relative position between workpiece and simple electrode;
C, selection electrode locate mode, guarantee the electrode feed accuracy;
D, the required fixture of selection fixation workpiece, adjust fixture and make workpiece and electrode to correct position;
E, the spark-erosion machine tool parameter is set, carries out the processing of special-shaped shape.
It is the simple circle post shapes of 0.25mm, the cylinder bar processing that diameter is 0.28mm that described steps A electrode adopts diameter.
Described step B adopts the analysis of ProE software simulation, conversion results to determine the relative position between cylinder electrode and workpiece.
Described step C adopts the special-purpose aperture electrode guider of diameter 0.25mm to guarantee the electrode feed accuracy.
Pulse width in described step e machine tooling be 0.7ms, pulse rest for 0.7ms, processing electric current be 0.1A, electrician's electric capacity be 2000P, servoly be given as 55%, vibration frequency is that 800HZ, crest voltage are that 100V, processing feeding depth are 2mm and to select deionized water be working solution.
As shown in Fig. 1 to 5, shown tongue spoon shape.In model, be: the machine tooling of ZT007B type electric spark precision micropore, the process step is as follows:
Step 1: according to preprocessing tongue spoon shape (as shown in Figure 1), analyze by the ProE software simulation, change into by two simple shapes by passing through mutually rear acquisition (as shown in Figure 3).Determine selected workpiece and electrode shape size: wherein, it is the simple circle post shapes of 0.25mm that electrode adopts diameter.It is the cylinder bar (as shown in Figure 2) of 0.28mm that workpiece adopts diameter;
Step 2: determine the relative position between cylinder electrode and workpiece according to ProE software conversion results: between cylinder electrode and workpiece, relative angle is 18 °;
Step 3: adopt the special-purpose aperture electrode guider of diameter 0.25mm (the ZL patent No. 95244655.3) to guarantee the electrode feed accuracy;
Step 4: select general angle flexible jig, 18 ° of the relative angles between adjustment workpiece and cylinder electrode;
Step 5: set Machine-settings: pulse width: 0.7ms, pulse rests: 0.7ms, processing electric current: 0.1A, electrician's electric capacity: 2000P is servo given: 55%, vibration frequency: 800HZ, crest voltage 100V, processing feeding depth 2mm; The selection deionized water is working solution.

Claims (5)

1. the electric discharge machining method of a simple shape electrode machine-shaping shape, its step is as follows:
A, will have special shape products be converted into by two simple shapes by pass through mutually or intersect after obtain according to two simple shapes that obtain, determine the geomery of workpiece and simple machined electrode;
B, determine the relative position between workpiece and simple electrode;
C, selection electrode locate mode, guarantee the electrode feed accuracy;
D, the required fixture of selection fixation workpiece, adjust fixture and make workpiece and electrode to correct position;
E, the spark-erosion machine tool parameter is set, carries out the processing of special-shaped shape.
2. the electric discharge machining method of a kind of simple shape electrode machine-shaping shape according to claim 1 is characterized in that: it is the simple circle post shapes of 0.25mm, the cylinder bar processing that diameter is 0.28mm that described steps A electrode adopts diameter.
3. the electric discharge machining method of a kind of simple shape electrode machine-shaping shape according to claim 1 is characterized in that: described step B adopts the analysis of ProE software simulation, conversion results to determine the relative position between cylinder electrode and workpiece.
4. the electric discharge machining method of a kind of simple shape electrode machine-shaping shape according to claim 1, is characterized in that: the special-purpose aperture electrode guider assurance of described step C employing diameter 0.25mm electrode feed accuracy.
5. the electric discharge machining method of a kind of simple shape electrode machine-shaping shape according to claim 1 is characterized in that: the pulse width in described step e machine tooling be 0.7ms, pulse rest for 0.7ms, processing electric current be 0.1A, electrician's electric capacity be 2000P, servoly be given as 55%, vibration frequency is that 800HZ, crest voltage are that 100V, processing feeding depth are 2mm and to select deionized water be working solution.
CN201310315262.2A 2013-07-24 2013-07-24 The electric discharge machining method of simple shape electrode machining forming shape Expired - Fee Related CN103406610B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106392212A (en) * 2016-11-26 2017-02-15 沈阳黎明航空发动机(集团)有限责任公司 Method for electric machining of special-shaped groove
CN106536107A (en) * 2014-07-30 2017-03-22 三菱电机株式会社 Electric discharge machining method and electric discharge machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61297034A (en) * 1985-06-26 1986-12-27 Mitsubishi Electric Corp Electrode for processing of fine hole
CN1088141A (en) * 1992-12-16 1994-06-22 国营江南光学仪器厂 Spark machined precision plane and sphere new technology
CN2589139Y (en) * 2002-12-26 2003-12-03 于云霞 Fine electric spark machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61297034A (en) * 1985-06-26 1986-12-27 Mitsubishi Electric Corp Electrode for processing of fine hole
CN1088141A (en) * 1992-12-16 1994-06-22 国营江南光学仪器厂 Spark machined precision plane and sphere new technology
CN2589139Y (en) * 2002-12-26 2003-12-03 于云霞 Fine electric spark machine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
山东理工大学精密模具省重点实验室: "微细电火花加工技术及其应用", 《模具制造》, no. 20, 31 December 2003 (2003-12-31), pages 47 - 48 *
高德东等: "微细电火花铣削加工CAD/CAM系统实现", 《计算机辅助设计与图形学学报》, vol. 18, no. 11, 30 November 2006 (2006-11-30), pages 1776 - 1779 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106536107A (en) * 2014-07-30 2017-03-22 三菱电机株式会社 Electric discharge machining method and electric discharge machine
CN106536107B (en) * 2014-07-30 2018-04-17 三菱电机株式会社 Discharge-treating method and discharging processing machine
CN106392212A (en) * 2016-11-26 2017-02-15 沈阳黎明航空发动机(集团)有限责任公司 Method for electric machining of special-shaped groove

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Granted publication date: 20151028

Termination date: 20180724