CN109514011A - A kind of electric-spark drilling processing method - Google Patents
A kind of electric-spark drilling processing method Download PDFInfo
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- CN109514011A CN109514011A CN201811602244.1A CN201811602244A CN109514011A CN 109514011 A CN109514011 A CN 109514011A CN 201811602244 A CN201811602244 A CN 201811602244A CN 109514011 A CN109514011 A CN 109514011A
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- 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
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a kind of electric-spark drilling processing method, booting processing, according to working depth and stability, determine feed speed, oil pumping pressure is adjusted, it will working depth check at any time, export license situation and machining status in processing, it finds the problem and just handles in time, after being worked into certain depth, according to required gap, cutting edge height, gradient and export license situation, suitably conversion electrical guiding rule, accomplish check at any time, to adjust working depth；Workpiece is clamped using fixture, upper and lower surface to workpiece will be applied to by spraying using spraying device.Using electric-spark drilling processing method of the invention, have the characteristics that improve machining accuracy and surface quality, is suitble to promote and apply.
Description
Technical field
The invention belongs to technical fields of mechanical processing, and in particular to a kind of electric-spark drilling processing method.
Background technique
Galvanic corrosion phenomenon in electrical discharge machining when plug, switch opening and closing early at the end of the 19th century just by it has been found that as generated
Electric spark damage can be generated to contact surface.20th century, the La Zhalinke of the early stage Soviet Union was put in research switch contact by spark
Galvano-cautery damage the phenomenon that and when reason, find the TRANSIENT HIGH TEMPERATURE of electric spark can make localized metallic fusing, gasification and be eclipsed and remove,
To start and invent electric discharge machining method, and First functionization in the world is developed using galvanic corrosion principle in nineteen forty-three
Electrical discharge machining-device, just really by galvanic corrosion phenomenon apply to actual production processing in.Chinese initial stage in the 1950s
Begin one's study electric spark equipment, and First profile tracer electric spark linear cutting machine is developed the beginning of the sixties.
Electrical discharge machining is a kind of new process processed using electric energy and thermal energy, is commonly called as electro-discharge machining.Electrical spark working
The difference of work and general machining is, electrical spark working working hour tool and workpiece are not in contact with but by between tool and workpiece
The pulse feature spark discharge constantly generated, generation is local, instantaneous high temperature metal material, gradually get off by ablation when using electric discharge.
Due to there is visible spark to generate during discharge, therefore claim electrical discharge machining.
Electric-spark drilling processing be one kind most widely used in electrical discharge machining, be usually used in process type hole (circular hole, square hole,
Polygonal hole, irregularly-shaped hole), curved slot, 4qL, micropore etc., such as it is each on cold-punching mould, wire drawing die, extrusion die, nozzle, spinning head
Kind type hole and aperture.
The dimensional accuracy of perforation guarantees mainly by the size of tool-electrode and the gap of spark discharge, the section wheel of electrode
Type hole of uniform size diminution one processing gap of the wide size than predetermined processing, dimensional accuracy level-one higher than workpiece, one
As be not less than IT7 grades, surface roughness value is smaller than workpiece, and straightness, flatness and the depth of parallelism in 100 mm length not
Greater than 0.01mm.
Summary of the invention
The present invention provides a kind of electric-spark drilling processing method for improving machining accuracy and surface quality.
Its technical solution are as follows:
A kind of electric-spark drilling processing method, comprising the following steps:
The first step determines processing method according to drawing requirement, and selects suitable electrode material, selects direct processing method, then electric
Manufacture punch-pin steel used just can be used in the material of pole, and when selecting indirect processing method, manufacture electrode material used, so that it may
Using red copper or cast iron, mixing method generally uses cast iron to make electrode material；
Second step, the manufacture of electrode: the design of electrode, according to the design requirement of punch-pin, determine the section configuration of electrode, length and
Structure type；And consider the factors such as fit clearance required by punch and matrix, shape, the effective length of cutting edge, export license size
To determine electrode；Manufacture electrode is cut using grinding and profiling wound, wire cutting machine tool machined electrode also can be used；
Third step, electrode combination and clamping, electrode is if it is piece or processes multiple shape holes by multiple electrodes and forms, should be first electricity
Pole clamping together, when clamping, it is necessary to guarantee relative position between electrode by technique requirement and to the verticality of mounting surface；
4th step, prepares the blank of perforation part, and the site of perforation of preprocessing blank suitably leaves electric machining surplus, each portion
The surplus of position uniformly will require to be quenched, then polish upper and lower plane, after removing rust spot, carry out at demagnetization according to technique
Reason, marks shape hole contour line in cutting edge reverse side；
5th step, being loaded and correcting for electrode, electrode combination is loaded on the main shaft of lathe, then to the axis of electrode and work
The verticality for making platform is corrected, and is corrected to the depth of parallelism of electrode side benchmark and workbench axis in length and breadth；
6th step, be loaded part, and by part to be processed work platform for placing, correction behind the relative position of it and electrode, just will well
Workpiece is fixed, and is clamped on work top；
7th step, adjusts main tapping upper and lower position, and mobile main tapping makes plane on electrode lower end surface and part keep suitable
Distance；
8th step chooses processing polarity, adjusts servo motor；It adjusts liquid level and adjusts oil pumping power；Adjust depth
Indicator selects suitable electrical guiding rule；
9th step, booting processing determine feed speed according to working depth and stability, adjust oil pumping pressure, will be in processing
When check working depth, export license situation and machining status, find the problem just in time processing, after being worked into certain depth, root
According to required gap, cutting edge height, gradient and export license situation, suitably conversion electrical guiding rule, accomplish check at any time, adjustment adds
Work depth；
Tenth step unloads part after part processes, and goes through the requirement whether part meets drawing defined；
In 9th step, workpiece is clamped using fixture, upper and lower surface to workpiece will be applied to by spraying using spraying device.
Further, the voltage in process is 80-100 volt, and peak point current is 9-11 peace, pulsewidth 23-25 microsecond, servo
The power of motor is 400W.
Further, using micro-energy impulsing power source.
Further, using digital control system in open type, position control, speed control and multiaxial motion control in processed are realized
System etc..
Further, using the inverse process of electric machining, anti-copy block utilizes block electricity as workpiece as electrode, electrode to be processed
Pole with workbench horizontal movement and electrode to be processed with main shaft vertically move and rotation processes tool-electrode.
Beneficial effects of the present invention:
Using electric-spark drilling processing method of the invention, have the characteristics that improve machining accuracy and surface quality, is suitble to promote
Using.
Specific embodiment
Present invention will be explained in further detail With reference to embodiment.
Embodiment 1
A kind of electric-spark drilling processing method, comprising the following steps:
The first step determines processing method according to drawing requirement, and selects suitable electrode material, selects direct processing method, then electric
Manufacture punch-pin steel used just can be used in the material of pole, and when selecting indirect processing method, manufacture electrode material used, so that it may
Using red copper or cast iron, mixing method generally uses cast iron to make electrode material；
Second step, the manufacture of electrode: the design of electrode, according to the design requirement of punch-pin, determine the section configuration of electrode, length and
Structure type；And consider the factors such as fit clearance required by punch and matrix, shape, the effective length of cutting edge, export license size
To determine electrode；Manufacture electrode is cut using grinding and profiling wound, wire cutting machine tool machined electrode also can be used；
Third step, electrode combination and clamping, electrode is if it is piece or processes multiple shape holes by multiple electrodes and forms, should be first electricity
Pole clamping together, when clamping, it is necessary to guarantee relative position between electrode by technique requirement and to the verticality of mounting surface；
4th step, prepares the blank of perforation part, and the site of perforation of preprocessing blank suitably leaves electric machining surplus, each portion
The surplus of position uniformly will require to be quenched, then polish upper and lower plane, after removing rust spot, carry out at demagnetization according to technique
Reason, marks shape hole contour line in cutting edge reverse side；
5th step, being loaded and correcting for electrode, electrode combination is loaded on the main shaft of lathe, then to the axis of electrode and work
The verticality for making platform is corrected, and is corrected to the depth of parallelism of electrode side benchmark and workbench axis in length and breadth；
6th step, be loaded part, and by part to be processed work platform for placing, correction behind the relative position of it and electrode, just will well
Workpiece is fixed, and is clamped on work top；
7th step, adjusts main tapping upper and lower position, and mobile main tapping makes plane on electrode lower end surface and part keep suitable
Distance；
8th step chooses processing polarity, adjusts servo motor；It adjusts liquid level and adjusts oil pumping power；Adjust depth
Indicator selects suitable electrical guiding rule；
9th step, booting processing determine feed speed according to working depth and stability, adjust oil pumping pressure, will be in processing
When check working depth, export license situation and machining status, find the problem just in time processing, after being worked into certain depth, root
According to required gap, cutting edge height, gradient and export license situation, suitably conversion electrical guiding rule, accomplish check at any time, adjustment adds
Work depth；
Tenth step unloads part after part processes, and goes through the requirement whether part meets drawing defined；
In 9th step, workpiece is clamped using fixture, upper and lower surface to workpiece will be applied to by spraying using spraying device.
Voltage in process is 80 volts, and peak point current is 9 peaces, and 23 microsecond of pulsewidth, the power of servo motor is 400W.
Using micro-energy impulsing power source.
Using digital control system in open type, position control, speed control and the Multi-axis motion control etc. in processed are realized.
Using the inverse process of electric machining, anti-copy block is as electrode, and electrode to be processed is as workpiece, using block electrode with work
The horizontal movement of platform and electrode to be processed with main shaft vertically move and rotation processes tool-electrode.
Embodiment 2
A kind of electric-spark drilling processing method, comprising the following steps:
The first step determines processing method according to drawing requirement, and selects suitable electrode material, selects direct processing method, then electric
Manufacture punch-pin steel used just can be used in the material of pole, and when selecting indirect processing method, manufacture electrode material used, so that it may
Using red copper or cast iron, mixing method generally uses cast iron to make electrode material；
Second step, the manufacture of electrode: the design of electrode, according to the design requirement of punch-pin, determine the section configuration of electrode, length and
Structure type；And consider the factors such as fit clearance required by punch and matrix, shape, the effective length of cutting edge, export license size
To determine electrode；Manufacture electrode is cut using grinding and profiling wound, wire cutting machine tool machined electrode also can be used；
Third step, electrode combination and clamping, electrode is if it is piece or processes multiple shape holes by multiple electrodes and forms, should be first electricity
Pole clamping together, when clamping, it is necessary to guarantee relative position between electrode by technique requirement and to the verticality of mounting surface；
4th step, prepares the blank of perforation part, and the site of perforation of preprocessing blank suitably leaves electric machining surplus, each portion
The surplus of position uniformly will require to be quenched, then polish upper and lower plane, after removing rust spot, carry out at demagnetization according to technique
Reason, marks shape hole contour line in cutting edge reverse side；
5th step, being loaded and correcting for electrode, electrode combination is loaded on the main shaft of lathe, then to the axis of electrode and work
The verticality for making platform is corrected, and is corrected to the depth of parallelism of electrode side benchmark and workbench axis in length and breadth；
6th step, be loaded part, and by part to be processed work platform for placing, correction behind the relative position of it and electrode, just will well
Workpiece is fixed, and is clamped on work top；
7th step, adjusts main tapping upper and lower position, and mobile main tapping makes plane on electrode lower end surface and part keep suitable
Distance；
8th step chooses processing polarity, adjusts servo motor；It adjusts liquid level and adjusts oil pumping power；Adjust depth
Indicator selects suitable electrical guiding rule；
9th step, booting processing determine feed speed according to working depth and stability, adjust oil pumping pressure, will be in processing
When check working depth, export license situation and machining status, find the problem just in time processing, after being worked into certain depth, root
According to required gap, cutting edge height, gradient and export license situation, suitably conversion electrical guiding rule, accomplish check at any time, adjustment adds
Work depth；
Tenth step unloads part after part processes, and goes through the requirement whether part meets drawing defined；
In 9th step, workpiece is clamped using fixture, upper and lower surface to workpiece will be applied to by spraying using spraying device.
Voltage in process is 90 volts, and peak point current is pacified for 10,24 microsecond of pulsewidth, and the power of servo motor is
400W。
Using micro-energy impulsing power source.
Using digital control system in open type, position control, speed control and the Multi-axis motion control etc. in processed are realized.
Using the inverse process of electric machining, anti-copy block is as electrode, and electrode to be processed is as workpiece, using block electrode with work
The horizontal movement of platform and electrode to be processed with main shaft vertically move and rotation processes tool-electrode.
Embodiment 3
A kind of electric-spark drilling processing method, comprising the following steps:
The first step determines processing method according to drawing requirement, and selects suitable electrode material, selects direct processing method, then electric
Manufacture punch-pin steel used just can be used in the material of pole, and when selecting indirect processing method, manufacture electrode material used, so that it may
Using red copper or cast iron, mixing method generally uses cast iron to make electrode material；
Second step, the manufacture of electrode: the design of electrode, according to the design requirement of punch-pin, determine the section configuration of electrode, length and
Structure type；And consider the factors such as fit clearance required by punch and matrix, shape, the effective length of cutting edge, export license size
To determine electrode；Manufacture electrode is cut using grinding and profiling wound, wire cutting machine tool machined electrode also can be used；
Third step, electrode combination and clamping, electrode is if it is piece or processes multiple shape holes by multiple electrodes and forms, should be first electricity
Pole clamping together, when clamping, it is necessary to guarantee relative position between electrode by technique requirement and to the verticality of mounting surface；
4th step, prepares the blank of perforation part, and the site of perforation of preprocessing blank suitably leaves electric machining surplus, each portion
The surplus of position uniformly will require to be quenched, then polish upper and lower plane, after removing rust spot, carry out at demagnetization according to technique
Reason, marks shape hole contour line in cutting edge reverse side；
5th step, being loaded and correcting for electrode, electrode combination is loaded on the main shaft of lathe, then to the axis of electrode and work
The verticality for making platform is corrected, and is corrected to the depth of parallelism of electrode side benchmark and workbench axis in length and breadth；
6th step, be loaded part, and by part to be processed work platform for placing, correction behind the relative position of it and electrode, just will well
Workpiece is fixed, and is clamped on work top；
7th step, adjusts main tapping upper and lower position, and mobile main tapping makes plane on electrode lower end surface and part keep suitable
Distance；
8th step chooses processing polarity, adjusts servo motor；It adjusts liquid level and adjusts oil pumping power；Adjust depth
Indicator selects suitable electrical guiding rule；
9th step, booting processing determine feed speed according to working depth and stability, adjust oil pumping pressure, will be in processing
When check working depth, export license situation and machining status, find the problem just in time processing, after being worked into certain depth, root
According to required gap, cutting edge height, gradient and export license situation, suitably conversion electrical guiding rule, accomplish check at any time, adjustment adds
Work depth；
Tenth step unloads part after part processes, and goes through the requirement whether part meets drawing defined；
In 9th step, workpiece is clamped using fixture, upper and lower surface to workpiece will be applied to by spraying using spraying device.
Voltage in process is 100 volts, and peak point current is pacified for 11,25 microsecond of pulsewidth, and the power of servo motor is
400W。
Using micro-energy impulsing power source.
Using digital control system in open type, position control, speed control and the Multi-axis motion control etc. in processed are realized.
Using the inverse process of electric machining, anti-copy block is as electrode, and electrode to be processed is as workpiece, using block electrode with work
The horizontal movement of platform and electrode to be processed with main shaft vertically move and rotation processes tool-electrode.
The foregoing is only a preferred embodiment of the present invention, the scope of protection of the present invention is not limited to this, it is any ripe
Know those skilled in the art within the technical scope of the present disclosure, the letter for the technical solution that can be become apparent to
Altered or equivalence replacement are fallen within the protection scope of the present invention.
Claims (5)
1. a kind of electric-spark drilling processing method, which comprises the following steps:
The first step determines processing method according to drawing requirement, and selects suitable electrode material, selects direct processing method, then electric
The material of pole, using steel used in manufacture punch-pin, and when selecting indirect processing method, manufacture electrode material used just, is used
Red copper or cast iron, mixing method make electrode material using cast iron；
Second step, the manufacture of electrode: the design of electrode, according to the design requirement of punch-pin, determine the section configuration of electrode, length and
Structure type；And consider the factor of fit clearance required by punch and matrix, shape, the effective length of cutting edge, export license size
To determine electrode；Manufacture electrode is cut using grinding and profiling wound, or uses wire cutting machine tool machined electrode；
Third step, electrode combination and clamping, electrode is if it is piece or processes multiple shape holes by multiple electrodes and forms, should be first electricity
Pole clamping together, when clamping, it is necessary to guarantee relative position between electrode by technique requirement and to the verticality of mounting surface；
4th step, prepares the blank of perforation part, and the site of perforation of preprocessing blank suitably leaves electric machining surplus, each portion
The surplus of position uniformly will require to be quenched, then polish upper and lower plane, after removing rust spot, carry out at demagnetization according to technique
Reason, marks shape hole contour line in cutting edge reverse side；
5th step, being loaded and correcting for electrode, electrode combination is loaded on the main shaft of lathe, then to the axis of electrode and work
The verticality for making platform is corrected, and is corrected to the depth of parallelism of electrode side benchmark and workbench axis in length and breadth；
6th step, be loaded part, and by part to be processed work platform for placing, correction behind the relative position of it and electrode, just will well
Workpiece is fixed, and is clamped on work top；
7th step, adjusts main tapping upper and lower position, and mobile main tapping makes plane on electrode lower end surface and part keep suitable
Distance；
8th step chooses processing polarity, adjusts servo motor；It adjusts liquid level and adjusts oil pumping power；Adjust depth
Indicator selects suitable electrical guiding rule；
9th step, booting processing determine feed speed according to working depth and stability, adjust oil pumping pressure, will be in processing
When check working depth, export license situation and machining status, find the problem just in time processing, after being worked into certain depth, root
According to required gap, cutting edge height, gradient and export license situation, suitably conversion electrical guiding rule, accomplish check at any time, adjustment adds
Work depth；
Tenth step unloads part after part processes, and goes through the requirement whether part meets drawing defined；
In 9th step, workpiece is clamped using fixture, upper and lower surface to workpiece will be applied to by spraying using spraying device.
2. electric-spark drilling processing method according to claim 1, which is characterized in that the voltage in steel process is
80-100 volt, peak point current are 9-11 peace, and pulsewidth 23-25 microsecond, the power of servo motor is 400W.
3. electric-spark drilling processing method according to claim 1, which is characterized in that use micro-energy impulsing power source.
4. electric-spark drilling processing method according to claim 1, which is characterized in that digital control system in open type is used, it is real
Position control, speed control and Multi-axis motion control in now processed.
5. electric-spark drilling processing method according to claim 1, which is characterized in that using the inverse process of electric machining, instead
Block is copied as electrode, electrode to be processed is as workpiece, using block electrode with the horizontal movement and electrode to be processed of workbench with master
Axis vertically move and rotation processes tool-electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811602244.1A CN109514011A (en) | 2018-12-26 | 2018-12-26 | A kind of electric-spark drilling processing method |
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| CN201811602244.1A CN109514011A (en) | 2018-12-26 | 2018-12-26 | A kind of electric-spark drilling processing method |
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ID=65798347
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110756931A (en) * | 2019-12-04 | 2020-02-07 | 东莞市迪蒙数控机械有限公司 | Electric discharge machine electrode clamping correction method and system |
| CN112388246A (en) * | 2019-08-13 | 2021-02-23 | 盐城耀强模塑科技有限公司 | Machining method for reducing accumulated deviation |
| CN113441799A (en) * | 2021-06-30 | 2021-09-28 | 重庆理工大学 | Space curve slot hole processingequipment based on rope drive |
| CN114952306A (en) * | 2022-06-21 | 2022-08-30 | 河南省优普密封科技有限公司 | Machining process for 0.25mm glue inlet hole of liquid mold |
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| CN113441799A (en) * | 2021-06-30 | 2021-09-28 | 重庆理工大学 | Space curve slot hole processingequipment based on rope drive |
| CN114952306A (en) * | 2022-06-21 | 2022-08-30 | 河南省优普密封科技有限公司 | Machining process for 0.25mm glue inlet hole of liquid mold |
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Application publication date: 20190326 |