CN110091016A - Wire-electrode cutting and processing method - Google Patents
Wire-electrode cutting and processing method Download PDFInfo
- Publication number
- CN110091016A CN110091016A CN201810089999.XA CN201810089999A CN110091016A CN 110091016 A CN110091016 A CN 110091016A CN 201810089999 A CN201810089999 A CN 201810089999A CN 110091016 A CN110091016 A CN 110091016A
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- China
- Prior art keywords
- hole
- wire
- workpiece
- cut
- electrode
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H2600/00—Machining conditions
- B23H2600/10—Switching of machining conditions during machining
- B23H2600/12—Switching from rough cutting to finish machining
Abstract
The present invention proposes a kind of wire-electrode cutting and processing method that the through-hole for workpiece is processed, comprising the following steps: provides an electric spark wire cutting machine；Workpiece is fixed on the workbench of electric spark wire cutting machine；Roughing is carried out to the through-hole that need to be processed on workpiece, the position at edge close to be processed through-hole of the electric spark wire cutting machine on workpiece drills string holes, and by the wire electrode of electric spark wire cutting machine across threading hole and using threading hole as a cutpoint, wire electrode rises along straight line and cuts, then wire electrode turns and is cut into along the first circular arc and is cut along the profile of through-hole, it is finally cut out along the second circular arc, completes the roughing to through-hole；The through-hole that need to be processed is finished on workpiece, using the other positions at the edge close to through-hole to be processed on workpiece as a cutpoint, wire electrode rises along straight line and cuts, then wire electrode turns and is cut into along the first circular arc and is cut along the profile of through-hole, it is finally cut out along the second circular arc, completes finishing.
Description
Technical field
The present invention relates to a kind of wire-electrode cutting and processing method, processing that especially a kind of through-hole for workpiece is processed
Method.
Background technique
For the metal parts processing with multiple types through-hole, it is not easy using the traditional processings mode such as turning, drilling full
The requirement of the processing quality and dimensional accuracy of sufficient part.Meanwhile in the prior art, it is processed using Electric Discharge Wire-cutting Technology above-mentioned
Metal parts, process velocity is fast and machining accuracy is high.However, processing above-mentioned metal parts using Electric Discharge Wire-cutting Technology
In the process, due to being cut into a little with Ge Chudian corner because reignition leads to the presence for having obvious stria on the hole wall after processing,
Reduce processing quality.
Summary of the invention
In view of the above situation, it is necessary to which a kind of wire-electrode cutting and processing method without obvious stria is provided.
A kind of wire-electrode cutting and processing method is processed for multiple through-holes to workpiece, comprising the following steps:
One electric spark wire cutting machine is provided；
The workpiece is fixed on the workbench of the electric spark wire cutting machine；
The electric spark wire cutting machine carries out roughing to the through-hole that need to be processed on workpiece, and the electric spark wire cutting machine is at this
The position at the edge close to the through-hole to be processed on workpiece drills string holes, and the wire electrode of the electric spark wire cutting machine is worn
It crosses the threading hole and cut along straight line using the threading hole as cutpoint, the wire electrode is played, then wire electrode turning and edge
First circular arc is cut into and is cut along the profile of the through-hole, is finally cut out along the second circular arc, completes to add the thick of through-hole
Work；
The electric spark wire cutting machine on the workpiece finishes the through-hole that need to be processed, with close on the workpiece
The other positions at the edge of through-hole to be processed have been used as cutpoint, which cut along straight line, and then the wire electrode turns
It is curved and be cut into along the first circular arc and cut along the profile of the through-hole, it finally cuts out, completes logical to this along the second circular arc
The finishing in hole.
Above-mentioned wire-electrode cutting and processing method cut along straight line by electric spark wire cutting machine using wire electrode, and along circular arc
It is cut into and is cut out, and the different location of the through-hole in required processing is cut into and is cut out, the through-hole after reducing processing
Hole wall stria, improve processing quality and yield.
Detailed description of the invention
Fig. 1 is the workpiece schematic diagram of an embodiment of the present invention.
Fig. 2 is the cutting route schematic diagram of the workpiece of an embodiment of the present invention.
Fig. 3 is the schematic diagram of the cutting route local I II of the workpiece in Fig. 2.
Fig. 4 is the flow diagram of the wire-electrode cutting and processing method of an embodiment of the present invention.
Main element symbol description
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It should be noted that it can be when an element or component are considered as " connection " another element or component
It is directly connected to another element or component or may be simultaneously present the element or component being centrally located.When an element or group
Part is considered as " setting exist " another element or component, it, which can be, is set up directly on another element or component or can
The element or component being centrally located can be existed simultaneously.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig. 1, an embodiment of the present invention provide it is a kind of using electric spark wire cutting machine (not shown) to workpiece 200
Carry out the wire-electrode cutting and processing method of hole machined.Run through on workpiece 200 after processing and offers multiple through-holes 210.In the present embodiment,
Through-hole 210 includes four strip through-holes 220 and a circular through hole 230.
Please refer to Fig. 1 to Fig. 4, the better embodiment of wire-electrode cutting and processing method of the present invention the following steps are included:
Step S101: providing an electric spark wire cutting machine, and the wire electrode (not shown) of the electric spark wire cutting machine is selected
Diameter is the brass wire of 0.2mm.
Step S102: workpiece 200 is fixed in the workbench (not shown) of electric spark wire cutting machine.
Step S103: according to the distribution of the through-hole 210 on workpiece 200, the processing sequence of through-hole 210 is determined.
Specifically, in the present embodiment, any one strip through-hole 220 around circular through hole 230 is processed first.
Step S104: electric spark wire cutting machine carries out roughing to the through-hole 210 that need to be processed on workpiece 200, with preliminary
Shape the through-hole 210 that need to be processed.Specifically, side close to be processed through-hole 210 of the electric spark wire cutting machine on workpiece 200
The position of edge drills string holes (not indicating), and by wire electrode across threading hole and using threading hole as the first cutpoint O1.Such as Fig. 2
Shown in 3, wire electrode cut along straight line L, and then wire electrode is turned and is cut into along the first circular arc R 1 and along through-hole 210
Profile cut, finally cut out along the second circular arc R 2, complete roughing to through-hole 210.Wherein, the length of above-mentioned straight line L
Spending is 0.5mm, and the radius of the first circular arc R 1 and the second circular arc R 2 is all 1mm, and acting pre- allowance when cutting is 0.005mm.
In the present embodiment, roughing is carried out to the strip through-hole 220 that need to be processed on workpiece 200.Electric spark wire cutting machine
The position of linear edge close to strip through-hole 220 to be processed on workpiece 200 drills string holes (not indicating), and by electrode
Silk passes through threading hole and using threading hole as the first cutpoint O1.
Step S105: electric spark wire cutting machine reprocesses the through-hole 210 that need to be processed on workpiece 200, to improve
The machining accuracy for the through-hole 210 that need to be processed.Specifically, as shown in Fig. 2, with the close through-hole 210 to be processed on workpiece 200
The another location at edge cut along straight line L as second cutpoint O2, wire electrode, and then wire electrode turns and along the first circle
Arc R1 is cut into and is cut along the profile of through-hole 210, is finally cut out along the second circular arc R 2, is completed to through-hole 210 again
Processing.Wherein, the length of above-mentioned straight line L is 0.5mm, and the radius of the first circular arc R 1 and the second circular arc R 2 is all 1mm, is risen when cutting
Pre- allowance is 0.005mm.
In the present embodiment, the strip through-hole 220 that need to be processed is reprocessed on workpiece 200.Electric spark wire cutting machine
Using the position of the curved edge close to strip through-hole 220 to be processed on workpiece 200 as second cutpoint O2.
Step S106: electric spark wire cutting machine finishes the through-hole 210 that need to be processed on workpiece 200, to improve
The surface quality of the peripheral wall (not indicating) for the through-hole 210 that need to be processed.Specifically, as shown in Fig. 2, on workpiece 200 close to
The other positions at the edge of the through-hole 210 of processing play cutpoint O3 as third, and wire electrode rise along straight line L and be cut, then electric
Polar filament turns and is cut into along the first circular arc R 1 and is cut along the profile of through-hole 210, finally cuts out along the second circular arc R 2,
Complete the finishing to through-hole 210.Wherein, the length of above-mentioned straight line L is 0.5mm, the half of the first circular arc R 1 and the second circular arc R 2
Diameter is all 1mm.
In the present embodiment, electric spark wire cutting machine finishes the strip through-hole 220 that need to be processed.Wire EDM
Cutpoint O3 is played as third in the position of machine using another curved edge close to strip through-hole 220 to be processed on workpiece 200.
Step S107: according to above-mentioned steps S104 to step 106, processing other through-holes 210 of workpiece 200, from
And complete the processing to the through-hole 210 of workpiece 200.
In the present embodiment, according to above-mentioned steps S104 to step 106, to the other strip through-holes 220 and circle of workpiece 200
Through-hole 230 is processed.
It is appreciated that cut along straight line L when processing, and the length of above-mentioned straight line L is 0.5mm, so that wire electric discharge
Card is mended on cutting machine band to offset influence of the diameter to cutting accuracy of wire electrode, in other embodiments, the length of above-mentioned straight line L
Degree can be depending on the diameter of wire electrode.
Machined parameters are also resided in it is appreciated that having to significantly affect to processing quality during Wire-cut Electrical Discharge Machining
Selection.The machined parameters of electric spark wire cutting machine mainly include pulse current, pulse width, pulse spacing, wire transporting speed etc.,
It usually requires under the premise of guaranteeing surface quality, dimensional accuracy, as far as possible raising processing efficiency.In the present embodiment, when finishing,
Pulse width is 10us-20us, pulse spacing 5us-200us；When reprocessing, pulse width 20us-60us, the pulse spacing
For 5us-200us.
Above-mentioned wire-electrode cutting and processing method cut along straight line L by electric spark wire cutting machine using wire electrode, and along circle
Arc R is cut into and is cut out, and is cut into and is cut out in the different location of the through-hole of required processing 210, after reducing processing
Through-hole 210 hole wall stria, improve processing quality and yield.
In addition, those skilled in the art can also do other variations in spirit of that invention, certainly, these are smart according to the present invention
The variation that mind is done, should all be included in scope of the present invention.
Claims (8)
1. a kind of wire-electrode cutting and processing method is processed for multiple through-holes to workpiece, comprising the following steps:
One electric spark wire cutting machine is provided；
The workpiece is fixed on the workbench of the electric spark wire cutting machine；
The electric spark wire cutting machine carries out roughing to the through-hole that need to be processed on workpiece, and the electric spark wire cutting machine is in the workpiece
On the position at the edge close to the through-hole to be processed drill string holes, and the wire electrode of the electric spark wire cutting machine is passed through should
Threading hole and using the threading hole as a cutpoint is played, which cut along straight line, and then the wire electrode turns and along first
Circular arc is cut into and is cut along the profile of the through-hole, is finally cut out along the second circular arc, and the roughing to through-hole is completed；
The electric spark wire cutting machine on the workpiece finishes the through-hole that need to be processed, with close to be added on the workpiece
The other positions at the edge of the through-hole of work have been used as cutpoint, which cut along straight line, and then the wire electrode is turned simultaneously
It is cut into along the first circular arc and is cut along the profile of the through-hole, finally cut out along the second circular arc, completed to the through-hole
Finishing.
2. wire-electrode cutting and processing method as described in claim 1, it is characterised in that: the processing method of the electrode further includes following step
It is rapid:
Before finishing, which on the workpiece reprocesses the through-hole that need to be processed, with the work
The another location at the edge close to through-hole to be processed on part has been used as cutpoint, which rises along straight line and cut, then the electricity
Polar filament turns and is cut into along the first circular arc and is cut along the profile of the through-hole, finally cuts out along the second circular arc, completes
Reprocessing to through-hole.
3. wire-electrode cutting and processing method as claimed in claim 2, it is characterised in that: in roughing and reprocessing, rise when cutting
Pre- allowance is 0.005mm.
4. wire-electrode cutting and processing method as claimed in claim 2, it is characterised in that: the length of the straight line is 0.5mm.
5. wire-electrode cutting and processing method as claimed in claim 2, it is characterised in that: the radius of first circular arc and second circular arc
It is all 1mm.
6. wire-electrode cutting and processing method as described in claim 1, it is characterised in that: the wire electrode diameter is 0.2mm.
7. wire-electrode cutting and processing method as described in claim 1, it is characterised in that: when finishing, pulse width 10us-
20us, pulse spacing 5us-200us.
8. wire-electrode cutting and processing method as claimed in claim 2, it is characterised in that: when reprocessing, pulse width 20us-
60us, pulse spacing 5us-200us.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089999.XA CN110091016A (en) | 2018-01-30 | 2018-01-30 | Wire-electrode cutting and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089999.XA CN110091016A (en) | 2018-01-30 | 2018-01-30 | Wire-electrode cutting and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110091016A true CN110091016A (en) | 2019-08-06 |
Family
ID=67441923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810089999.XA Pending CN110091016A (en) | 2018-01-30 | 2018-01-30 | Wire-electrode cutting and processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110091016A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203453A (en) * | 2020-01-13 | 2020-05-29 | 成都先进金属材料产业技术研究院有限公司 | Method for producing small-caliber TA18 titanium alloy seamless tube |
| CN112338304A (en) * | 2020-10-14 | 2021-02-09 | 广东坚美铝型材厂（集团）有限公司 | Die and process for machining die cavity through linear cutting |
| CN112404624A (en) * | 2020-11-03 | 2021-02-26 | 深圳市业展电子有限公司 | Machining process for measuring resistance and wire cutting |
| CN113829012A (en) * | 2021-09-29 | 2021-12-24 | 成都光明光电有限责任公司 | Glass discharge tube and method for producing the same |
| CN114211208A (en) * | 2021-12-27 | 2022-03-22 | 安徽金寨将军磁业有限公司 | Processing method for arc surface of permanent magnetic ferrite magnetic shoe alloy die |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111203453A (en) * | 2020-01-13 | 2020-05-29 | 成都先进金属材料产业技术研究院有限公司 | Method for producing small-caliber TA18 titanium alloy seamless tube |
| CN112338304A (en) * | 2020-10-14 | 2021-02-09 | 广东坚美铝型材厂（集团）有限公司 | Die and process for machining die cavity through linear cutting |
| CN112404624A (en) * | 2020-11-03 | 2021-02-26 | 深圳市业展电子有限公司 | Machining process for measuring resistance and wire cutting |
| CN113829012A (en) * | 2021-09-29 | 2021-12-24 | 成都光明光电有限责任公司 | Glass discharge tube and method for producing the same |
| CN114211208A (en) * | 2021-12-27 | 2022-03-22 | 安徽金寨将军磁业有限公司 | Processing method for arc surface of permanent magnetic ferrite magnetic shoe alloy die |
| CN114211208B (en) * | 2021-12-27 | 2024-02-27 | 安徽金寨将军磁业有限公司 | Method for processing arc surface of permanent ferrite magnetic shoe alloy die |
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Effective date of registration: 20200826 Address after: 421001 the third Pioneering Park of Baishazhou Industrial Park, Yanfeng District, Hengyang City, Hunan Province Applicant after: Hengyang Yuzhan Precision Technology Co., Ltd Address before: 421000 Hunan city of Hengyang province Yanfeng District baisazhou Industrial Park third Applicant before: HONGFUJIN PRECISION INDUSTRY (HENGYANG) Co.,Ltd. |
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Application publication date: 20190806 |
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