CN106021179B - A kind of wire cutting energy consumption prediction technique based on NC code - Google Patents
A kind of wire cutting energy consumption prediction technique based on NC code Download PDFInfo
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- CN106021179B CN106021179B CN201610328991.5A CN201610328991A CN106021179B CN 106021179 B CN106021179 B CN 106021179B CN 201610328991 A CN201610328991 A CN 201610328991A CN 106021179 B CN106021179 B CN 106021179B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
Abstract
The wire cutting energy consumption prediction technique based on NC code that the invention discloses a kind of, comprising the following steps: step 1: input preprocessing parts program code, part material and thickness；Step 2: analysis code, the empty wire of acquisition, straight cuts, circular arc cut each section parameter；Step 3: calling basic database, underlying parameter is obtained；Step 4: calling energy consumption prediction model, prediction of energy consumption value is obtained.The present invention can predict required total energy consumption by NC code, part material and thickness.Basic database in the present invention is obtained by experimental method.
Description
[technical field]
The present invention relates to the technical field of energy consumption prediction, especially a kind of wire cutting energy consumption prediction techniques based on NC code
Technical field.
[background technique]
Wire cutting is that a kind of fine wire (referred to as wire electrode) using continuous moving makees electrode and carries out pulse to workpiece
The processing method of spark discharge ablation metal, excision forming.When Wire EDM works, carried out between wire electrode and workpiece
Pulsed discharge.Wire electrode connects the cathode of the pulse power, and workpiece connects the anode of the pulse power.When carrying out an electric pulse, in electrode
A spark discharge is generated between silk and workpiece, instantaneously may be up to 10000 DEG C or more in the central temperature of discharge channel, high temperature makes
Workpiece metal fusing, or even have a small amount of gasification, high temperature also makes the working solution part between wire electrode and workpiece generate gasification, these
Working solution and metal vapors moment after gasification expand rapidly, and have the characteristic of explosion.This thermal expansion and local microburst,
It dishes out fusing and the metal material that has gasified and realizes and galvanic corrosion cutting processing is carried out to workpiece material.
The energy consumption main source of wire cutting has host computer energy consumption ECO(Ecomputer), wire transporting energy consumption EW(Ewire-
Feed), water pump bath energy consumption EP(Epump), headlamp energy consumption EL(Elamp) energy consumption and cutting energy consumption E of constant powerCU
(Ecutting) energy consumption of Variable power.For wire cutting energy consumption, if can directly be predicted according to NC code, processing
Before, energy consumption directly can be obtained by program.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, propose that a kind of wire cutting energy consumption based on NC code is pre-
Survey method can predict required total energy consumption by NC code, part material and thickness.Basic database in the present invention is logical
Cross experimental method acquisition.
To achieve the above object, the wire cutting energy consumption prediction technique based on NC code that the invention proposes a kind of, including with
Lower step:
Step 1: input preprocessing parts program code, part material and thickness；
Step 2: analysis code, the empty wire of acquisition, straight cuts, circular arc cut each section parameter；
Step 3: calling basic database, underlying parameter is obtained；
Step 4: calling energy consumption prediction model, prediction of energy consumption value: empty wire energy consumption E is obtainedKWPass throughIt solves, wherein EDKWFor the empty wire energy consumption under the unit time, XKWFor empty wire length, vwIt is walked for sky
Silk speed；Straight cuts energy consumption EZCUPass throughIt solves, wherein EDZCUFor unit time thickness
Straight cuts energy consumption, X under degreeZCUFor straight cuts total length, vCUTo cut wire travelling speed, ηSFor velocity coeffficient, ηHFor thickness
Coefficient, ηCFor material coefficient；Circular arc cuts energy consumption EYCUPass throughIt solves, wherein
EDYCUEnergy consumption, X are cut for the circular arc under unit time thicknessYCUTotal length, η are cut for circular arcQFor coefficient of curvature；Host computer energy
Consume ECOPass throughIt solves, wherein EDCOFor unit time host computer energy consumption；
Wire transporting energy consumption EWPass throughIt solves, wherein EDWFor unit time wire transporting energy consumption；
Water pump bath energy consumption EPPass throughIt solves, wherein EDPFor the punching of unit time water pump
Water consumption；Headlamp energy consumption ELPass throughIt solves, wherein a is 0 or 1, and a is
0 indicates not turn on light, and a is that 1 expression is turned on light, EDLFor unit time headlamp energy consumption；Total energy consumption EZPass through EZ=EKW+EZCU+EYCU+ECO
+EW+EP+ELIt solves.
Preferably, the analysis code method in the second step are as follows: judge whether have in preprocessing parts program code
B is distinguished and is used 3B format program processing method and ISO format program processing method, and the empty wire of acquisition, straight cuts, circular arc are cut
Cut each section parameter: empty wire length, straight cuts total length, circular arc cutting total length, circular arc cut radius.
Preferably, the basic database in the third step includes material coefficient ηC, thickness coefficient ηH, velocity coeffficient ηS、
Empty wire travelling speed vw, cutting wire travelling speed vCU, empty wire energy consumption E under the unit timeDKW, the straight line under unit time thickness cuts
Cut energy consumption EDZCU, the circular arc under unit time thickness cut energy consumption EDYCU, coefficient of curvature ηQ, unit time host computer energy consumption
EDCO, unit time wire transporting energy consumption EDW, unit time water pump wash by water energy consumption EDP, unit time headlamp energy consumption EDL, empty wire speed
Spend vw, cutting wire travelling speed vCUAcquisition according to lathe property, remaining parameter is obtained by experimental method, and data acquisition dress is passed through
The power curve for obtaining wire cutting machine tool is set, the integral of power over time is energy consumption, experimental procedure are as follows:
Step 1: opening host computer, measured energy consumption is E divided by the time at this timeDCO；
Step 2: opening water pump bath, increased energy consumption is E in the unit timeDP；
Step 3: wire transporting, increased energy consumption is E in the unit timeDW；
Step 4: opening headlamp, increased energy consumption is E in the unit timeDL；
Step 5: carrying out wire, increased energy consumption is E in the unit time before cutting to workpieceDKW；
Step 6: straight cuts with a thickness of 1mm stainless steel work-piece when unit time in the 4th step that compares it is increased
Energy consumption is EDZCU；In the case of straight cuts, change cutting thickness is nmm, obtains the unit time straight cuts energy under thickness nmm
Consume EDnZCU, thickness coefficient ηHMeet EDnZCU=n*EDZCU*ηH, to obtain the thickness coefficient η under nmm thicknessH；
Step 7: straight cuts with a thickness of 1mm stainless steel work-piece when unit time in Cutting Length be X1D, straight line
The Cutting Length in unit time when the stainless steel work-piece that cutting thickness is nmm is XnD, to obtain the speed under nmm thickness
Coefficient
Step 8: circular arc cutting thickness is the stainless steel work-piece of 1mm, cut radius is the circle of 1mm, phase in the unit time
Comparing the 4th increased energy consumption of step is EDYCU；In the case of circular arc cutting, the arc radius for changing cutting is rmm, obtains radius rmm
Under unit time circular arc cut energy consumption EDrYCU, coefficient of curvature meets EDrYCU=r*EDYCU*ηQ, to obtain under rmm radius
Coefficient of curvature ηQ；
Step 9: straight cuts with a thickness of 1mm other materials workpiece when unit time in compare the 4th step increase
Energy consumption be EDQZCU, the material coefficient of other materials is
Beneficial effects of the present invention: the present invention can predict required total energy by NC code, part material and thickness
Consumption.Basic database in the present invention is obtained by experimental method.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of method figure of the wire cutting energy consumption prediction technique based on NC code of the present invention；
Fig. 2 is a kind of code analysis methods figure of the wire cutting energy consumption prediction technique based on NC code of the present invention；
Fig. 3 is a kind of 3B format program processing method figure of the wire cutting energy consumption prediction technique based on NC code of the present invention；
Fig. 4 is a kind of 3B format program circular arc processing method of the wire cutting energy consumption prediction technique based on NC code of the present invention
Figure；
Fig. 5 is a kind of ISO format program processing method figure of the wire cutting energy consumption prediction technique based on NC code of the present invention；
Fig. 6 is a kind of ISO format program circular arc processing side of the wire cutting energy consumption prediction technique based on NC code of the present invention
Method figure；
Fig. 7 is a kind of basic database method for building up figure of the wire cutting energy consumption prediction technique based on NC code of the present invention；
Fig. 8 is a kind of embodiment cutting image shape graph of the wire cutting energy consumption prediction technique based on NC code of the present invention.
[specific embodiment]
Refering to fig. 1~Fig. 8, the present invention, comprising the following steps:
Step 1: input preprocessing parts program code, part material and thickness；
Step 2: analysis code, the empty wire of acquisition, straight cuts, circular arc cut each section parameter；
Step 3: calling basic database, underlying parameter is obtained；
Step 4: calling energy consumption prediction model, prediction of energy consumption value: empty wire energy consumption E is obtainedKWPass throughIt solves, wherein EDKWFor the empty wire energy consumption under the unit time, XKWFor empty wire length, vwIt is walked for sky
Silk speed；Straight cuts energy consumption EZCUPass throughIt solves, wherein EDZCUFor unit time thickness
Straight cuts energy consumption, X under degreeZCUFor straight cuts total length, vCUTo cut wire travelling speed, ηSFor velocity coeffficient, ηHFor thickness
Coefficient, ηCFor material coefficient；Circular arc cuts energy consumption EYCUPass throughIt solves, wherein
EDYCUEnergy consumption, X are cut for the circular arc under unit time thicknessYCUTotal length, η are cut for circular arcQFor coefficient of curvature；Host computer energy
Consume ECOPass throughIt solves, wherein EDCOFor unit time host computer energy consumption；
Wire transporting energy consumption EWPass throughIt solves, wherein EDWFor unit time wire transporting energy consumption；
Water pump bath energy consumption EPPass throughIt solves, wherein EDPFor the punching of unit time water pump
Water consumption；Headlamp energy consumption ELPass throughIt solves, wherein a is 0 or 1, a 0
Expression is not turned on light, and a is that 1 expression is turned on light, EDLFor unit time headlamp energy consumption；Total energy consumption EZPass through EZ=EKW+EZCU+EYCU+ECO+
EW+EP+ELIt solves.
Specifically, the analysis code method in the second step are as follows: judge whether there is B in preprocessing parts program code,
It distinguishes and uses 3B format program processing method and ISO format program processing method, obtain empty wire, straight cuts, circular arc cutting
Each section parameter: empty wire length, straight cuts total length, circular arc cut total length, circular arc cut radius.
Specifically, the basic database in the third step includes material coefficient ηC, thickness coefficient ηH, velocity coeffficient ηS, it is empty
Wire travelling speed vw, cutting wire travelling speed vCU, empty wire energy consumption E under the unit timeDKW, straight cuts under unit time thickness
Energy consumption EDZCU, the circular arc under unit time thickness cut energy consumption EDYCU, coefficient of curvature ηQ, unit time host computer energy consumption EDCO、
Unit time wire transporting energy consumption EDW, unit time water pump wash by water energy consumption EDP, unit time headlamp energy consumption EDL, empty wire travelling speed vw、
Cut wire travelling speed vCUAcquisition according to lathe property, remaining parameter is obtained by experimental method, is obtained by data acquisition device
The power curve of wire cutting machine tool is obtained, the integral of power over time is energy consumption, experimental procedure are as follows:
Step 1: opening host computer, measured energy consumption is E divided by the time at this timeDCO；
Step 2: opening water pump bath, increased energy consumption is E in the unit timeDP；
Step 3: wire transporting, increased energy consumption is E in the unit timeDW；
Step 4: opening headlamp, increased energy consumption is E in the unit timeDL；
Step 5: carrying out wire, increased energy consumption is E in the unit time before cutting to workpieceDKW；
Step 6: straight cuts with a thickness of 1mm stainless steel work-piece when unit time in the 4th step that compares it is increased
Energy consumption is EDZCU；In the case of straight cuts, change cutting thickness is nmm, obtains the unit time straight cuts energy under thickness nmm
Consume EDnZCU, thickness coefficient ηHMeet EDnZCU=n*EDZCU*ηH, to obtain the thickness coefficient η under nmm thicknessH；
Step 7: straight cuts with a thickness of 1mm stainless steel work-piece when unit time in Cutting Length be X1D, straight line
The Cutting Length in unit time when the stainless steel work-piece that cutting thickness is nmm is XnD, to obtain the speed under nmm thickness
Coefficient
Step 8: circular arc cutting thickness is the stainless steel work-piece of 1mm, cut radius is the circle of 1mm, phase in the unit time
Comparing the 4th increased energy consumption of step is EDYCU；In the case of circular arc cutting, the arc radius for changing cutting is rmm, obtains radius rmm
Under unit time circular arc cut energy consumption EDrYCU, coefficient of curvature meets EDrYCU=r*EDYCU*ηQ, to obtain under rmm radius
Coefficient of curvature ηQ；
Step 9: straight cuts with a thickness of 1mm other materials workpiece when unit time in compare the 4th step increase
Energy consumption be EDQZCU, the material coefficient of other materials is
The course of work of the present invention:
A kind of wire cutting energy consumption prediction technique based on NC code of the present invention during the work time, to be processed needed for attached drawing eight
Diagram shape thickness 3mm cast iron part for illustrate, only knowing need to process with a thickness of 3mm, and material is cast iron, NC program
As follows, empty wire is obtained in two kinds of situation, straight cuts, circular arc cut each section parameter, it is known that 3B format program and
Know ISO format program.One unit length is 1mm；One unit thickness is 1mm；One unit time is 1s.
Situation one:
3B format program are as follows:
N001 B B10000 B10000 GY L4；
N002 B B25000 B50000 GX SR1；
N003 B3 B3 B30000 GX L3；
N004 B3 B3 B30000 GX L2；
N005 B10000 B24000 B42000 GX NR4；
N006 B70000 B B70000 GX L1；
N007 B B10000 B10000 GY L2；
N008 D。
Step 1: identification N is alphabetic word, the number of N is n=8；
Step 2: completion program, for each line program, if supplementing number 0 without space after identification B；It is counted after identifying B
Value is units, then identifies the number of third B numerical value 0, the number 0 is added after the defect numerical value of front, is become:
N001 B0 B10000 B10000 GY L4；
N002 B0 B25000 B50000 GX SR1；
N003 B30000 B30000 B30000 GX L3；
N004 B30000 B30000 B30000 GX L2；
N005 B10000 B24000 B42000 GX NR4；
N006 B70000 B0 B70000 GX L1；
N007 B0 B10000 B10000 GY L2；
N008 D；
Step 3: comparison the first row and the 7th line program, obtain empty wire length XKWFor 15mm, straight cuts length is two
It is 5mm that numerical value, which subtracts 15mm after removing 1000, after row third B；
Step 4: the program line with L is carried out the operation of straight cuts parameter extraction, extracting method are as follows: the number after first B
B2, the radical sign value of length B1, B2 quadratic sum, unit um are remembered according to the data after note B1, second B；3rd line program, the 4th stroke
Sequence, the 6th line program carry out length extraction
The parameter extracted adds up as straight cuts total length
Step 5: by the program line progress circular arc cutting parameter extraction operation with R, the data accumulation that will successively extract,
Until program of the final stage with R that added up, to obtain circular arc cutting total length XYCU: step 1: obtain starting point where as
Limit, cut direction: the 2nd line program is band SR1, and for starting point in first quartile, cut direction is clockwise；5th line program is band NR4,
For starting point in fourth quadrant, cut direction is counterclockwise；Step 2: it is long in the counting direction length value, circular arc to solve this quadrant, geometry
Method solves: counting direction length value is solved to obtain 25000um with method of geometry in the first quartile of the 2nd line program, and circular arc is long
For 12500 π um, r=25000um；Counting direction length value solves to obtain with method of geometry in the fourth quadrant of 5th line program
16000um, circular arc are a length ofR=26000um；Step 3: judging counting step and second step institute
Seek length relation, and solve: the counting step of the 2nd line program is 50000um, 50000um > 25000um, then length in this quadrant
For 12500 π um of length required by second step, remaining quadrant is obtained by following operation；The counting step of 5th line program is 42000um,
42000um > 16000um, then length is length required by second step in this quadrantRemaining quadrant by
Operation obtains below；Step 4: the quadrant area that judgement is passed through: the 2nd line program, it is (long required by counting step 50000um- second step
Degree 25000um)/radius 25000um obtains more than 10, then judged to cut 14 two quadrants clockwise according to 14321432 sequence numbers；
5th line program, (length 16000um required by counting step 42000um- second step)/radius 26000um obtain more than 10, then basis
12341234 sequence numbers are judged to cut 41 two quadrants counterclockwise；It is entirely full circle comprising quadrant step 5: quadrant is divided to solve
A quarter, the quadrant for entirely not including utilize geometrical relationship solve: the fourth quadrant Inner arc of the 2nd line program is a length of
12500 π um, a length of 13000 π um of the first quartile Inner arc of the 5th line program；Step 6: accumulative all quadrants arc length obtains
Counting step is greater than circular arc Cutting Length when length required by second step, and the 2nd line program is 25000 π um=25 π mm, the 5th stroke
Sequence is
The parameter extracted is added up to cut total length for circular arc
Situation two:
ISO format program are as follows:
N001 G00 X0 Y0；
N002 G01 Y-10000；
N003 G02 Y-60000 J-35000；
N004 G01 X-30000 Y-90000；
N005 G01 X-60000 Y-60000；
N006 G03 X-70000 Y-10000 I-70000 J-36000；
N007 G01 Y-10000；
N008 G00 X0 Y0；
N009 M02。
Step 1: identification N is alphabetic word, the number of N is n, n 9；
Step 2: completion program identifies that X, Y only occur first, then supplementing another letter and at this for each line program
Number 0 is supplemented after letter；Becoming first, then supplement another letter and supplement digital 0 after the letter only occur in identification I, J:
N001 G00 X0 Y0；
N002 G01 X0 Y-10000；
N003 G02 X0 Y-60000 I0 J-35000；
N004 G01 X-30000 Y-90000；
N005 G01 X-60000 Y-60000；
N006 G03 X-70000 Y-10000 I-70000 J-36000；
N007 G01 X0 Y-10000；
N008 G00 X0 Y0；
N009 M02；
Step 3: comparing front two row and last two line programs, empty wire length X is obtainedKWFor 15mm, straight cuts length are as follows:
Radical sign value -15000 of the radical sign value of second segment running length X2, Y2 quadratic sum+three row of end Xn-2, Yn-2 quadratic sum, unit
For um,
Step 4: being extracted the operation of straight cuts parameter extraction is carried out except the program line with G01 of front two row and last three rows
Method are as follows: assuming that extracting the i-th step data, the radical sign value of (Xi-Xi-1), (Yi-Yi-1) quadratic sum walks the length of operation thus,
Unit is um；The data accumulation extracted is straight cuts total length XZCU；4th line program, the 5th line program, the 7th line program are equal
For the program line with G01 except front two row and last three rows, the straight cuts length of three rows is obtained according to the above method are as follows:70mm, to add up to obtain straight cuts total length
Step 5: the program line for recognizing G02, G03 is carried out circular arc cutting parameter extraction operation, the data extracted are tired
It is calculated as circular arc cutting total length XYCU: step 1: obtaining starting point coordinate, central coordinate of circle, terminal point coordinate, radius；Starting point coordinate extracts
Numerical value forms behind X, Y of lastrow program, and central coordinate of circle is numerical value composition behind I, J of this line program, and terminal point coordinate is this
Numerical value forms behind X, Y of line program, and radius is starting point at a distance from the center of circle, the 3rd line program, starting point coordinate (0, -10000),
Central coordinate of circle (0, -35000), terminal point coordinate (0, -60000), radius 25000；6th line program, starting point coordinate (- 60000 ,-
60000), central coordinate of circle (- 70000, -36000), terminal point coordinate (- 70000, -10000), radius 26000；Step 2: returning original
Change: being converted into zero point coordinate, starting point coordinate, central coordinate of circle, terminal point coordinate transverse and longitudinal coordinate subtract the numerical value of central coordinate of circle, the
3 line programs, starting point coordinate (0,25000), central coordinate of circle (0,0), terminal point coordinate (0, -25000)；6th line program, starting point coordinate
(10000, -24000), central coordinate of circle (0,0), terminal point coordinate (0,26000)；Step 3: judging starting point coordinate, terminal point coordinate institute
In quadrant, judgment method are as follows: abscissa, ordinate are positive as first quartile, abscissa is negative, ordinate is positive for second as
Limit, abscissa, ordinate are negative as third quadrant, and abscissa is positive, ordinate is negative for fourth quadrant, and the 3rd line program rises
Point is in first quartile, and terminal is in fourth quadrant；6th line program, starting point is in fourth quadrant, and terminal is in first quartile；Step 4: sentencing
The disconnected quadrant area passed through, the program segment with G02 judge that quadrant number where terminus goes out in order according to 14321432 sequence numbers
Existing word string, it is desirable that be no more than four numbers；Program segment with G03 judges according to 12341234 sequence numbers, where terminus as
The word string that limit number occurs in order, it is desirable that be no more than four numbers；3rd line program crosses first quartile, fourth quadrant；6th row
Program crosses fourth quadrant, first quartile；Step 5: quadrant is divided to solve, entire includes a quarter that quadrant is full circle, not whole
A quadrant for including is solved using geometrical relationship, the 3rd line program, and first quartile is 12500 π um, and fourth quadrant is 12500 π um；
6th line program, fourth quadrant areFirst quartile is 13000 π um；Step 6: accumulative all quadrants
Arc length, the 3rd line program are 25000 π um=25 π mm；6th line program is
The parameter extracted is added up to cut total length for circular arc
Empty wire is obtained according to 3B program or ISO program, after straight cuts, circular arc cut each section parameter, can call
Basic database, obtains underlying parameter, and underlying parameter includes empty wire travelling speed vw, cutting wire travelling speed vCU, velocity coeffficient ηS, it is thick
Spend coefficient ηH, material coefficient ηC, coefficient of curvature ηQ.Above-mentioned basic database removes empty wire travelling speed vwWith cutting wire travelling speed vCUBy
Outside lathe property obtains, remaining passes through experimental method and constructs.Energy consumption prediction model is called, can be obtained prediction of energy consumption value.
The present invention can predict required total energy consumption by NC code, part material and thickness.Basis in the present invention
Database is obtained by experimental method.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (3)
1. a kind of wire cutting energy consumption prediction technique based on NC code, it is characterised in that: the following steps are included:
Step 1: input preprocessing parts program code, part material and thickness；
Step 2: analysis code, the empty wire of acquisition, straight cuts, circular arc cut each section parameter；
Step 3: calling basic database, underlying parameter is obtained；
Step 4: calling energy consumption prediction model, prediction of energy consumption value: empty wire energy consumption E is obtainedKWPass throughIt asks
It solves, wherein EDKWFor the empty wire energy consumption under the unit time, XKWFor empty wire length, vwFor empty wire travelling speed；Straight cuts energy consumption
EZCUPass throughIt solves, wherein EDZCUFor under unit time thickness straight cuts energy consumption,
XZCUFor straight cuts total length, vCUTo cut wire travelling speed, ηSFor velocity coeffficient, ηHFor thickness coefficient, ηCFor material coefficient；Circle
Arc cuts energy consumption EYCUPass throughIt solves, wherein EDYCUFor under unit time thickness
Circular arc cuts energy consumption, XYCUTotal length, η are cut for circular arcQFor coefficient of curvature；Host computer energy consumption ECOPass throughIt solves, wherein EDCOFor unit time host computer energy consumption；Wire transporting energy consumption
EWPass throughIt solves, wherein EDWFor unit time wire transporting energy consumption；Water pump bath
Energy consumption EPPass throughIt solves, wherein EDPFor unit time water pump bath energy consumption；According to
Bright lamp energy consumption ELPass throughIt solves, wherein a is 0 or 1, and a is that 0 expression is not opened
Lamp, a are that 1 expression is turned on light, EDLFor unit time headlamp energy consumption；Total energy consumption EZPass through EZ=EKW+EZCU+EYCU+ECO+EW+EP+EL
It solves.
2. a kind of wire cutting energy consumption prediction technique based on NC code as described in claim 1, it is characterised in that: described second
Analysis code method in step are as follows: judge whether there is B in preprocessing parts program code, distinguish and use 3B format program processing side
Method and ISO format program processing method obtain empty wire, straight cuts, circular arc cut each section parameter: empty wire length, straight
Wire cutting total length, circular arc cut total length, circular arc cut radius.
3. a kind of wire cutting energy consumption prediction technique based on NC code as described in claim 1, it is characterised in that: the third
Basic database in step includes material coefficient ηC, thickness coefficient ηH, velocity coeffficient ηS, empty wire travelling speed vw, cutting wire travelling speed
vCU, empty wire energy consumption E under the unit timeDKW, straight cuts energy consumption E under unit time thicknessDZCU, under unit time thickness
Circular arc cut energy consumption EDYCU, coefficient of curvature ηQ, unit time host computer energy consumption EDCO, unit time wire transporting energy consumption EDW, unit
Time water pump bath energy consumption EDP, unit time headlamp energy consumption EDL, empty wire travelling speed vw, cutting wire travelling speed vCUAcquisition root
According to lathe property, remaining parameter is obtained by experimental method, and the power curve of wire cutting machine tool is obtained by data acquisition device,
The integral of power over time is energy consumption, experimental procedure are as follows:
Step 1: opening host computer, measured energy consumption is E divided by the time at this timeDCO；
Step 2: opening water pump bath, increased energy consumption is E in the unit timeDP；
Step 3: wire transporting, increased energy consumption is E in the unit timeDW；
Step 4: opening headlamp, increased energy consumption is E in the unit timeDL；
Step 5: carrying out wire, increased energy consumption is E in the unit time before cutting to workpieceDKW；
Step 6: straight cuts with a thickness of 1mm stainless steel work-piece when unit time in compare the 4th increased energy consumption of step
For EDZCU；In the case of straight cuts, change cutting thickness is nmm, obtains the unit time straight cuts energy consumption under thickness nmm
EDnZCU, thickness coefficient ηHMeet EDnZCU=n*EDZCU*ηH, to obtain the thickness coefficient η under nmm thicknessH；
Step 7: straight cuts with a thickness of 1mm stainless steel work-piece when unit time in Cutting Length be X1D, straight cuts
With a thickness of nmm stainless steel work-piece when unit time in Cutting Length be XnD, to obtain the velocity coeffficient under nmm thickness
Step 8: circular arc cutting thickness is the stainless steel work-piece of 1mm, cut radius is the circle of 1mm, is compared in the unit time
The 4th increased energy consumption of step is EDYCU；In the case of circular arc cutting, the arc radius for changing cutting is rmm, is obtained under radius rmm
Unit time circular arc cuts energy consumption EDrYCU, coefficient of curvature meets EDrYCU=r*EDYCU*ηQ, to obtain the curvature under rmm radius
Coefficient ηQ；
Step 9: straight cuts with a thickness of 1mm other materials workpiece when unit time in compare the 4th increased energy of step
Consumption is EDQZCU, the material coefficient of other materials is
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| CN106475908A (en) * | 2016-11-08 | 2017-03-08 | 上海大学 | Follow grinding process lathe operation energy consumption Forecasting Methodology based on standard G code |
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