CN114619108A - Micro electric spark small hole machining method, system, equipment and storage medium thereof - Google Patents
Micro electric spark small hole machining method, system, equipment and storage medium thereof Download PDFInfo
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- CN114619108A CN114619108A CN202210410273.8A CN202210410273A CN114619108A CN 114619108 A CN114619108 A CN 114619108A CN 202210410273 A CN202210410273 A CN 202210410273A CN 114619108 A CN114619108 A CN 114619108A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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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Abstract
The invention relates to the technical field of micro hole machining, in particular to a micro electric spark small hole machining method, a system, equipment and a storage medium thereof, wherein the micro electric spark small hole machining method comprises the following steps: acquiring actual depth parameter L and first-stage processing depth parameter D of a deep hole to be processed1(ii) a According to a first-stage processing depth parameter D1Performing primary processing on the part, and reading the coordinate parameter S of the feed shaft after the primary processing1(ii) a According to a first-stage processing depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta; determining a second-stage processing depth parameter D according to the loss parameter ratio eta2(ii) a According to the second-stage processing depth parameter D2The method reduces the situation that the set micro-small hole machining depth is different from the actual machining depth, so that the set machining depth is different from the actual machining depthThe parameter values of the inter-machining depth are closer, and the precision of micro electric spark small hole machining is improved.
Description
Technical Field
The invention relates to the technical field of micro hole machining, in particular to a micro electric spark small hole machining method, a system, equipment and a storage medium thereof.
Background
The micro electric spark small hole machining technology is a technology for realizing perforation machining by discharging a to-be-machined area of a workpiece through a rotating electrode to melt and erode materials in the to-be-machined area of the workpiece. At present, in the process of machining a micro-small hole, a worker can set the machining depth of the micro-small hole, and then perform micro electric spark small hole machining on a workpiece through a micro electrode so as to machine the workpiece to obtain the micro-small hole.
However, since the micro electrode may be worn during the machining process, the machining depth of the micro hole set by the operator may be different from the actual machining depth of the micro spark erosion hole, which may result in poor precision of the micro spark erosion hole machining.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method, a system, equipment and a storage medium for processing a micro electric spark small hole, which effectively solve the problem of poor precision of processing the micro electric spark small hole.
The invention is realized by the following technical scheme:
a micro electric spark small hole processing method comprises the following steps:
step 1, obtaining an actual depth parameter L and a first-stage processing depth parameter D of a deep hole to be processed1；
Step 2, according to the first-level processing depth parameter D1Go to zeroProcessing the workpiece at first stage, and reading the coordinate parameter S of the feed shaft after the primary processing1；
Step 3, according to the first-stage processing depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta;
step 4, determining a secondary processing depth parameter D according to the loss parameter ratio eta2；
Step 5, according to the secondary processing depth parameter D2And performing secondary machining on the part, and finishing the micro electric spark small hole machining work.
Preferably, in step 2, the electrode is zeroed at the machined end face of the part before the first-stage machining of the part, and the electrode is repositioned to the end face of the part after the first-stage machining.
Preferably, in step 3, according to the first-level processing depth parameter D1And feed axis coordinates S1The algorithm formula for determining the loss parameter ratio eta is as follows:
η＝|D1/S1|；
wherein D is1Is a first-level processing depth parameter; s1Is the feed shaft coordinate; eta is the loss parameter ratio.
Preferably, in step 4, the secondary processing depth parameter D2Including a rough machining depth parameter D21Depth parameter D of semi-finishing22And finishing the machining depth parameter D23。
Further, in step 4, a secondary processing depth parameter D is determined by the loss parameter ratio eta2The steps are as follows:
step 41, rough machining is carried out until a first threshold parameter K before the part penetrates through1Resetting the electrode on the machined end face of the part, and determining a rough machining depth parameter D through a loss parameter ratio eta21；
Step 42, semi-finishing the part in the rough machining depth to a second threshold parameter K after the part2Replacing the electrode, resetting the electrode on the machined end face of the part, and determining a depth parameter D of the semi-finishing machining according to a loss parameter ratio eta22；
Step 43, in half of the partCarrying out finishing machining in the finishing depth to a third threshold parameter K after the part is finished3Replacing the electrode, resetting the electrode to zero on the machined end face of the part, and determining a finishing machining depth parameter D according to the actual depth parameter L of the deep hole to be machined23。
Further, a rough machining depth parameter D is determined by a loss parameter ratio eta21The algorithm formula of (1) is as follows:
D21＝η×(L-|S1|-K1)；
wherein eta is a loss parameter ratio; l is the actual depth parameter of the deep hole to be processed; s1Is the feed shaft coordinate; k1Is a first threshold parameter; d21Is a rough machining depth parameter;
determining a depth parameter D of the semi-finishing by a loss parameter ratio eta22The algorithm formula of (1) is as follows:
D22＝L-K2+η×K1；
wherein eta is a loss parameter ratio; l is the actual depth parameter of the deep hole to be processed; k2Is a second threshold parameter; d22The depth parameter of the semi-finishing is taken as a parameter; k1Is a first threshold parameter;
determining a finishing machining depth parameter D through an actual depth parameter L of a deep hole to be machined23The algorithm formula of (1) is as follows:
D23＝L-K3；
wherein L is the actual depth parameter of the deep hole to be processed; k is3Is a third threshold parameter; d23To refine the machining depth parameter.
A micro electric discharge small hole machining system comprising:
a data acquisition module for acquiring the actual depth parameter L and the first-stage processing depth parameter D of the deep hole to be processed1；
A reading module for processing depth parameter D according to the first level1Carrying out primary processing on the part, and reading the coordinate parameter S of the feed shaft after the primary processing1；
A first determination module forAccording to a first-level processing depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta;
a second determination module for determining a secondary processing depth parameter D according to the loss parameter ratio eta2；
A processing module for processing according to the second-stage depth D2And performing secondary machining on the part, and finishing the micro electric spark small hole machining work.
Furthermore, the second determining module comprises a primary determining module, a secondary determining module and a tertiary determining module;
a primary determination module for performing rough machining to a first threshold parameter K before the part penetrates1Resetting the electrode on the machined end face of the part, and determining a rough machining depth parameter D through a loss parameter ratio eta21；
A secondary determination module for semi-finishing the part to a post-part second threshold parameter K in the roughing depth of the part2Replacing the electrode, resetting the electrode on the machined end face of the part, and determining a depth parameter D of the semi-finishing machining according to a loss parameter ratio eta22；
A third-level determination module for performing fine machining on the part in the semi-finish machining depth to a third threshold parameter K after the part is machined3Replacing the electrode, resetting the electrode to zero on the machined end face of the part, and determining a finishing machining depth parameter D according to the actual depth parameter L of the deep hole to be machined23。
A micro electric discharge small hole machining apparatus includes a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the micro electric discharge small hole machining method as described above when executing the computer program.
A computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the fine electric discharge small hole machining method as described above.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a micro electric spark small hole processing method, which is implemented by processing a depth parameter D at the first stage1And feed axis coordinates S1And determining a loss parameter ratio eta, and sequentially performing secondary processing on the parts after determining the loss parameter ratio eta, so that the condition that the processing depth of the set micro-hole is different from the actual processing depth is reduced, the set processing depth is closer to the actual processing depth, and the precision of micro-electric-discharge small-hole processing is improved.
Further, in the second processing depth, rough processing, semi-finishing processing and finishing processing are carried out in sequence through the loss parameter ratio eta, and the first threshold parameter K is carried out before the rough processing and the part penetration1The method mainly ensures that the high-pressure internal flushing of the electrode tube is still effective during finish machining, thereby improving the machining efficiency; second threshold parameter K after semi-finishing to part2The method mainly comprises the steps of finely trimming the side wall taper of the inner cavity of the deep hole; third threshold parameter K after finishing machining to part3Mainly fine trimming of the small hole outlet.
A micro electric spark small hole machining system realizes a micro electric spark small hole machining method through effective control operation of a data acquisition module, a reading module, a first determining module, a second determining module and a machining module, guarantees intellectualization of the micro electric spark small hole machining method, and meanwhile improves precision of micro electric spark small hole machining.
Drawings
FIG. 1 is a flow chart of a method for machining a micro electric discharge small hole according to the present invention;
FIG. 2 is a structural diagram of a micro-electrical discharge small hole machining system according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the invention provides a method for processing a micro electric spark pinhole, which effectively solves the problem of poor precision of processing the micro electric spark pinhole.
Specifically, the micro electric spark small hole processing method comprises the following steps:
step 1, obtaining an actual depth parameter L and a first-stage processing depth parameter D of a deep hole to be processed1；
Step 2, according to the first-level processing depth parameter D1Performing primary processing on the part, and reading the coordinate parameter S of the feed shaft after the primary processing1；
Specifically, the electrode is arranged on the machined end face of the part before the first-stage machining of the part, and the electrode is positioned to the end face of the part again after the first-stage machining.
Step 3, according to the first-stage processing depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta;
specifically, according to a first-stage processing depth parameter D1And feed axis coordinates S1Determining loss parametersThe arithmetic formula of the numerical ratio η is as follows:
η＝|D1/S1|；
wherein D is1A first-level processing depth parameter; s1Is the feed shaft coordinate; eta is the loss parameter ratio.
Step 4, determining a secondary processing depth parameter D according to the loss parameter ratio eta2；
Specifically, a secondary machining depth parameter D2Including a rough machining depth parameter D21Depth parameter D of semi-finishing22And finishing the machining depth parameter D23。
Specifically, a secondary processing depth parameter D is determined through a loss parameter ratio eta2The steps are as follows:
step 41, rough machining is carried out until a first threshold parameter K before the part penetrates through1Resetting the electrode on the machined end face of the part, and determining a rough machining depth parameter D through a loss parameter ratio eta21；
Wherein the rough machining depth parameter D is determined by the loss parameter ratio eta21The algorithm formula of (1) is as follows:
D21＝η×(L-|S1|-K1)；
wherein eta is a loss parameter ratio; l is the actual depth parameter of the deep hole to be processed; s1Is the feed shaft coordinate; k1Is a first threshold parameter; d21Is a rough machining depth parameter;
step 42, semi-finishing the part in the rough machining depth to a second threshold parameter K after the part2Replacing the electrode, resetting the electrode on the machined end face of the part, and determining a depth parameter D of the semi-finishing machining according to a loss parameter ratio eta22；
Wherein, the semi-finishing depth parameter D is determined by the loss parameter ratio eta22The algorithm formula of (1) is as follows:
D22＝L-K2+η×K1；
wherein eta is a loss parameter ratio; l is the actual depth parameter of the deep hole to be processed; k2Is a second threshold parameter; d22The depth parameter of the semi-finishing is taken as a parameter; k is1Is a first threshold parameter;
step 43, carrying out finishing machining in the semi-finishing depth of the part until the third threshold parameter K is reached after the part is machined3Replacing the electrode, resetting the electrode to zero on the machined end face of the part, and determining a finishing machining depth parameter D according to the actual depth parameter L of the deep hole to be machined23。
Wherein, the fine finishing depth parameter D is determined by the actual depth parameter L of the deep hole to be processed23The algorithm formula of (1) is as follows:
D23＝L-K3；
wherein L is the actual depth parameter of the deep hole to be processed; k3Is a third threshold parameter; d23To refine the machining depth parameters.
Step 5, according to the secondary processing depth parameter D2And performing secondary machining on the part, and finishing the micro electric spark small hole machining work.
Examples
The embodiment provides a micro electric spark small hole machining method, which comprises the following specific steps:
the first step is as follows: a worker can set the actual depth of a deep hole to be machined to be L on a micro electric spark small hole machining device, an electrode is arranged on the machined end face of a part to be zero before machining, and a first-stage machining depth parameter D is set1(an integer close to about 0.5L is recommended to be used for calculation), after preprocessing is finished, the electrode is positioned to the end face of the part again, and the coordinate parameter S of the feeding shaft is read1According to the first-stage processing depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta, wherein an algorithm formula is as follows:
η＝|D1/S1|；
wherein D is1Is a first-level processing depth parameter; s. the1Is the feed shaft coordinate; eta is the loss parameter ratio.
The second step is that: rough machining to 1mm before penetration: resetting the electrode to zero and determining a rough machining depth parameter D21The algorithm formula of (1) is as follows:
D21＝η×(L-|S1|-1)；
wherein eta is a loss parameter ratio; l is the actual depth parameter of the deep hole to be processed; s1Is the feed shaft coordinate; d21The rough machining depth parameter;
the small hole reserved with 1mm after rough machining after machining is mainly used for ensuring that flushing in high pressure of the electrode tube is still effective when finish machining is carried out, so that the machining efficiency is improved.
The third step: radius machining to 0.5mm after penetration: replacing new electrode, resetting electrode to zero, and determining depth parameter D of semi-finishing22The algorithm formula of (1) is as follows:
D22＝L-0.5+η×1；
wherein eta is a loss parameter ratio; l is the actual depth parameter of the deep hole to be processed; d22The depth parameter of the semi-finishing is taken as a parameter; and when the machining is finished, the step mainly refines the side wall taper of the inner cavity of the deep hole.
The fourth step: fine trimming to 0.5mm after penetration: replacing new electrode, resetting electrode to zero, and setting finishing depth parameter D23The algorithm formula of (1) is as follows:
D23＝L-0.5；
wherein L is the actual depth parameter of the deep hole to be processed; d23The fine processing depth parameter is obtained; and finishing the processing. This step is mainly to refine the orifice outlet.
Experiments show that for the small holes with the actual depth of 150mm and the hole diameter of 1.0mm, the deviation of the hole diameters of the processed small holes at the inlet and the outlet is within 0.05mm, and the coaxiality of the small holes is within 0.1 mm.
In summary, the invention provides a micro electric spark small hole machining method, which is implemented by a first-stage machining depth parameter D1And feed axis coordinates S1Determining the loss parameter ratio eta, and sequentially performing secondary processing on the parts after determining the loss parameter ratio eta, thereby reducing the situation that the processing depth of the arranged micro-holes is different from the actual processing depth, leading the set processing depth to be closer to the actual processing depth, and improving the micro-electro-mechanical propertyAccuracy of spark keyhole machining.
According to fig. 2, the invention provides a weather data acquisition system for a large production area of a power plant, which comprises a data acquisition module, a reading module, a first determination module, a second determination module and a processing module;
a data acquisition module for acquiring the actual depth parameter L and the first-stage processing depth parameter D of the deep hole to be processed1；
A reading module for processing depth parameter D according to the first level1Carrying out primary processing on the part, and reading the coordinate parameter S of the feed shaft after the primary processing1；
A first determining module for determining the first-stage machining depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta;
a second determination module for determining a secondary processing depth parameter D according to the loss parameter ratio eta2；
A processing module for processing according to the second-stage depth D2And performing secondary machining on the part, and finishing the micro electric spark small hole machining work.
The second determining module comprises a first-level determining module, a second-level determining module and a third-level determining module;
a primary determination module for performing rough machining to a first threshold parameter K before penetration of the part1Resetting the electrode on the machined end face of the part, and determining a rough machining depth parameter D through a loss parameter ratio eta21；
A secondary determination module for semi-finishing the part to a post-part second threshold parameter K in the roughing depth of the part2Replacing the electrode, resetting the electrode on the machined end face of the part, and determining a depth parameter D of the semi-finishing machining according to a loss parameter ratio eta22；
A third-level determination module for performing fine machining on the part in the semi-finish machining depth to a third threshold parameter K after the part is machined3Replacing the electrode, resetting the electrode to zero on the machined end face of the part, and determining the finish machining depth parameter according to the actual depth parameter L of the deep hole to be machinedD23。
The invention also provides a micro electric spark small hole machining device which comprises a memory, a processor and a computer program, such as a micro electric spark small hole machining program, stored in the memory and capable of running on the processor.
The processor realizes the steps of the micro electric spark small hole processing method when executing the computer program, for example, step 1, obtains the actual depth parameter L of the deep hole to be processed and the first-stage processing depth parameter D1；
Step 2, according to the first-stage processing depth parameter D1Carrying out primary processing on the part, and reading the coordinate parameter S of the feed shaft after the primary processing1；
Step 3, according to the first-stage processing depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta;
step 4, determining a secondary processing depth parameter D according to the loss parameter ratio eta2；
Step 5, according to the secondary processing depth parameter D2And performing secondary machining on the part, and finishing the micro electric spark small hole machining work.
Alternatively, the processor implements the functions of the modules in the system when executing the computer program, for example: a data acquisition module for acquiring the actual depth parameter L and the first-stage processing depth parameter D of the deep hole to be processed1；
A reading module for reading the first-stage depth parameter D1Carrying out primary processing on the part, and reading the coordinate parameter S of the feed shaft after the primary processing1；
A first determining module for determining the first-stage processing depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta;
a second determination module for determining a secondary processing depth parameter D according to the loss parameter ratio eta2；
A processing module for processing the depth parameter D according to the second level2And performing secondary machining on the part, and finishing the micro electric spark small hole machining work.
The second determining module comprises a first-level determining module, a second-level determining module and a third-level determining module;
a primary determination module for performing rough machining to a first threshold parameter K before the part penetrates1Resetting the electrode on the machined end face of the part, and determining a rough machining depth parameter D through a loss parameter ratio eta21；
A secondary determination module for semi-finishing the part to a post-part second threshold parameter K in the roughing depth of the part2Replacing the electrode, resetting the electrode on the machined end face of the part, and determining a depth parameter D of the semi-finishing machining according to a loss parameter ratio eta22；
A third-level determination module for performing fine machining on the part in the semi-finish machining depth to a third threshold parameter K after the part is machined3Replacing the electrode, resetting the electrode to zero on the machined end face of the part, and determining a finishing machining depth parameter D according to the actual depth parameter L of the deep hole to be machined23。
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, and the instruction segments are used for describing the execution process of the computer program in the weather database cache device of the power plant production district. For example, the computer program may be divided into a data acquisition module, a reading module, a first determination module, a second determination module, and a processing module, and the specific functions of each module are as follows: a data acquisition module for acquiring the actual depth parameter L and the first-stage processing depth parameter D of the deep hole to be processed1；
A reading module for processing depth parameter D according to the first level1Performing primary processing on the part, and reading the coordinate parameter S of the feed shaft after the primary processing1；
A first determining module for determining the first-stage processing depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta;
a second determination module for determining a secondary processing depth parameter D according to the loss parameter ratio eta2；
A processing module for processing the depth parameter D according to the second level2And performing secondary machining on the part, and finishing the micro electric spark small hole machining work.
The second determining module comprises a first-level determining module, a second-level determining module and a third-level determining module;
a primary determination module for performing rough machining to a first threshold parameter K before penetration of the part1Resetting the electrode on the machined end face of the part, and determining a rough machining depth parameter D through a loss parameter ratio eta21；
A secondary determination module for semi-finishing the part to a post-part second threshold parameter K in the roughing depth of the part2Replacing the electrode, resetting the electrode on the machined end face of the part, and determining the depth parameter D of the semi-finishing machining according to the loss parameter ratio eta22；
A third-level determination module for performing fine machining on the part in the semi-finish machining depth to a third threshold parameter K after the part is machined3Replacing the electrode, resetting the electrode to zero on the machined end face of the part, and determining a finishing machining depth parameter D according to the actual depth parameter L of the deep hole to be machined23。
The micro electric spark small hole machining equipment can be computing equipment such as a desktop computer, a notebook computer, a palm computer and a cloud server. The micro electric discharge small hole machining equipment can comprise, but is not limited to, a processor and a memory. It will be understood by those skilled in the art that the micro electro discharge micro-machining apparatus is not limited to the micro electro discharge micro-machining apparatus, and may include more or less components than those shown, or some components in combination, or different components, for example, the micro electro discharge micro-machining apparatus may further include an input-output device, a network access device, a bus, etc.
The processor may be a Central Processing Unit (CPU), other general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, etc. The general-purpose processor may be a microprocessor, or the processor may be any conventional processor, etc., and the processor is a control center of the micro electro discharge micro-hole machining apparatus, and various interfaces and lines are used to connect various parts of the entire micro electro discharge micro-hole machining apparatus.
The memory may be used for storing the computer program and/or the module, and the processor may implement the various functions of the micro electric discharge small hole machining apparatus by operating or executing the computer program and/or the module stored in the memory and calling the data stored in the memory.
The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) card, a flash memory card (FlashCard), at least one disk storage device, a flash memory device, or other volatile solid state storage device.
The invention also provides a computer readable storage medium storing a computer program which, when executed by a processor, implements the steps of the method for micro electric discharge keyhole machining.
The integrated module/unit of the micro electric discharge small hole machining device can be stored in a computer readable storage medium if the module/unit is realized in the form of a software functional unit and is sold or used as an independent product.
Based on such understanding, all or part of the processes in the method can be realized by the invention, and the method can also be completed by instructing relevant hardware through a computer program, wherein the computer program can be stored in a computer readable storage medium, and when the computer program is executed by a processor, the steps of the method for collecting weather data in the production area of the open power plant can be realized. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc.
The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer memory, Read-only memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, etc.
It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A micro electric spark small hole processing method is characterized by comprising the following steps:
step 1, obtaining an actual depth parameter L and a first-stage processing depth parameter D of a deep hole to be processed1；
Step 2, according to the first-stage processing depth parameter D1Carrying out primary processing on the part, and reading the coordinate parameter S of the feed shaft after the primary processing1；
Step 3, according to the first-stage processing depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta;
step 4, determining a secondary processing depth parameter D according to the loss parameter ratio eta2；
Step 5, according to the secondary processing depth parameter D2And performing secondary machining on the part, and finishing the micro electric spark small hole machining work.
2. A micro electric discharge small hole machining method according to claim 1, characterized in that in step 2, the electrode is zeroed at the machined end face of the part before the first-stage machining of the part, and the electrode is repositioned to the end face of the part after the first-stage machining.
3. The micro electric discharge small hole machining method according to claim 1, wherein in step 3, according to a first-level machining depth parameter D1And feed axis coordinates S1The algorithm formula for determining the loss parameter ratio eta is as follows:
η＝|D1/S1|；
wherein D is1Is a first-level processing depth parameter; s1Is the feed shaft coordinate; eta is the loss parameter ratio.
4. The micro electric discharge small hole machining method according to claim 1, wherein in step 4, the secondary machining depth parameter D2Including a rough machining depth parameter D21Depth parameter D of semi-finishing22And finishing the machining depth parameter D23。
5. The micro electro discharge micro-hole machining method as claimed in claim 4, wherein in step 4, the second-stage machining depth parameter D is determined by the loss parameter ratio η2The steps are as follows:
step 41, rough machining is carried out until a first threshold parameter K before the part penetrates through1Resetting the electrode on the machined end face of the part, and determining a rough machining depth parameter D through a loss parameter ratio eta21；
Step 42, semi-finishing the part in the rough machining depth to a second threshold parameter K after the part2Replacing the electrode, resetting the electrode on the machined end face of the part, and determining a depth parameter D of the semi-finishing machining according to a loss parameter ratio eta22；
Step 43, carrying out finishing machining in the semi-finishing depth of the part until the third threshold parameter K is reached after the part is machined3Replacing the electrode, resetting the electrode to zero on the machined end face of the part, and determining a finishing machining depth parameter D according to the actual depth parameter L of the deep hole to be machined23。
6. A method for machining a tiny electric spark small hole according to claim 5, characterized in that the rough machining depth parameter D is determined by the loss parameter ratio eta21The algorithm formula of (1) is as follows:
D21＝η×(L-|S1|-K1)；
wherein eta is a loss parameter ratio; l is the actual depth parameter of the deep hole to be processed; s1Is the feed shaft coordinate; k1Is a first threshold parameter; d21Is a rough machining depth parameter;
determining a depth parameter D of the semi-finishing by a loss parameter ratio eta22The algorithm formula of (1) is as follows:
D22＝L-K2+η×K1；
wherein eta is a loss parameter ratio; l is the actual depth parameter of the deep hole to be processed; k2Is a second threshold parameter; d22The depth parameter of the semi-finishing is taken as a parameter; k1Is a first threshold parameter;
determining a finishing machining depth parameter D through an actual depth parameter L of a deep hole to be machined23The algorithm formula of (1) is as follows:
D23＝L-K3；
wherein L is the actual depth parameter of the deep hole to be processed; k3Is a third threshold parameter; d23To refine the machining depth parameter.
7. A micro electric discharge small hole machining system is characterized by comprising:
a data acquisition module for acquiring the actual depth parameter L and the first-stage processing depth parameter D of the deep hole to be processed1；
A reading module for processing depth parameter D according to the first level1Carrying out primary processing on the part, and reading the coordinate parameter S of the feed shaft after the primary processing1；
A first determining module for determining the first-stage machining depth parameter D1And feed axis coordinates S1Determining a loss parameter ratio eta;
a second determination module for determining a secondary processing depth parameter D according to the loss parameter ratio eta2；
A processing module for processing the depth parameter D according to the second level2And performing secondary machining on the part, and finishing the micro electric spark small hole machining work.
8. The system of claim 7, wherein said second determining module comprises a primary determining module, a secondary determining module and a tertiary determining module;
a primary determination module for performing rough machining to a first threshold parameter K before penetration of the part1Resetting the electrode on the machined end face of the part, and determining a rough machining depth parameter D through a loss parameter ratio eta21；
A secondary determination module for semi-finishing the part to a post-part second threshold parameter K in the roughing depth of the part2Replacing the electrode, resetting the electrode on the machined end face of the part, and determining the depth parameter D of the semi-finishing machining according to the loss parameter ratio eta22；
Three-level determination module in depth of semi-finishing of partsCarrying out fine finishing until a third threshold parameter K is reached after the part is machined3Replacing the electrode, resetting the electrode to zero on the machined end face of the part, and determining a finishing machining depth parameter D according to the actual depth parameter L of the deep hole to be machined23。
9. A micro electric discharge eyelet machining apparatus comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the micro electric discharge eyelet machining method according to any one of claims 1 to 6 when executing the computer program.
10. A computer-readable storage medium storing a computer program, wherein the computer program is executed by a processor to implement the steps of the fine electric discharge pore machining method according to any one of claims 1 to 6.
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