CN103838182B - Numerical Control Programming householder method - Google Patents
Numerical Control Programming householder method Download PDFInfo
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- CN103838182B CN103838182B CN201410096445.4A CN201410096445A CN103838182B CN 103838182 B CN103838182 B CN 103838182B CN 201410096445 A CN201410096445 A CN 201410096445A CN 103838182 B CN103838182 B CN 103838182B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a kind of Numerical Control Programming householder method, it is related to Computerized Numerical Control processing technology field, including：S1, AUTO CAD softwares are passed through according to the structure of processed product draw accurate AUTO CAD diagrams shape；S2, every size of blade according to used in processing simulate blade figure by the AUTO CAD softwares；S3, in the AUTO CAD softwares blade figure is individually positioned in each key point position on the drawing that the step S1 is finished；If the machined surface is arc surface, it is thus necessary to determine that arc radius；S4, an origin is determined, measure coordinate of each key point relative to the origin；S5, it is supplied to Digit Control Machine Tool to be used as programming the radius of the blade track when coordinate of each key point measured and Machining Arc face.The present invention provides accurately knife tower running orbit by AUTO CAD softwares for Digit Control Machine Tool, that is, simplifies the difficulty of data programming, the qualification rate of complex product is improved again.
Description
Technical field
The present invention relates to Computerized Numerical Control processing technology field, more particularly to a kind of Numerical Control Programming householder method.
Background technology
Digit Control Machine Tool is more and more both at home and abroad at present, and each producer is frequently encountered a kind of situation when producing and processing product,
When using Digit Control Machine Tool manufacturing complex shapes product, the routine data required for related numerical control program programming is difficult to calculate, together
Even if when obtained required data, also tend to be difficult to ensure that during processing and once process required shape of product true-to-size
Come.Although some advanced Digit Control Machine Tools self calculating of can completing routine data, process is complicated, and by blade, knife bar,
State and operating personnel's level influence of equipment are larger, and most of producers and operating personnel are difficult to carry out this kind of programmed method
Effectively use.
Digit Control Machine Tool, which is mainly, controls the movement of main axis and knife tower by numerical control program, by knife tower along numerical control machine
Bed Z, X-axis movement coordinate to complete the processing of complicated shape product with main axis.Wherein essence of the knife tower in Z, X-axis coordinate system
Quasi- motion track is the key for processing qualified products.
Digit Control Machine Tool is in programming, in addition to blade first is carried out into calibrating coordinates, need to separately be directed to the product of processing, calculate many
The coordinate of individual key point, is used during for programming.The common machining shape of Digit Control Machine Tool has end face plane, the face of cylinder（In hole/outer
Circle）, the conical surface（Inner conical surface/male cone (strobilus masculinus)）, arc surface and Surface of Sphere etc., to process these shapes, it is desirable to provide to numerical control machine
The coordinate of some key points of bed uses for programming, when such as end face plane, the face of cylinder need to provide processing the starting point of blade and
Terminal point coordinate；And the method for providing starting point and terminal point coordinate can be used by processing the conical surface, it would however also be possible to employ polar method；It is right
Then need to provide starting point, terminal point coordinate and arc radius in Machining Arc face or Surface of Sphere.Only provide the above
Data, could complete processing by corresponding programmed instruction, and the determination of these point coordinates is needed by large amount of complex
Calculating can just be obtained.
The determination of data needed for the above programming simultaneously, if only simply calculated by drawing size, and will
Result of calculation inputs program, is often still difficult to obtain qualified product, and this is mainly the shadow that blade processing cutting face size is produced
Ring, and this will not typically produce influence when blade single direction is moved and processed, but when blade is moved back and forth or composite square
To during mobile processing, the contact point of blade processing cutting face and workpiece can be continually changing, and at this moment blade cut face size can be to production
Product size produces large effect, needs to eliminate the influence of this respect using a kind of method for this.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of Numerical Control Programming householder method, this Numerical Control Programming
Householder method is simple to operation, and the coordinate value of each key point obtained by this method is input to after the program of Digit Control Machine Tool, plus
The product size that work goes out is accurate, and qualification rate is high.
In order to solve the above technical problems, the technical scheme is that：
A kind of Numerical Control Programming householder method, comprises the following steps：S1, AUTO passed through according to the structure of processed product
CAD software draws accurate AUTO CAD diagrams shape, and the graphics proportion of the AUTO CAD diagrams shape is 1:1；S2, according to processing used in
Every size of blade is by the AUTO CAD softwares with 1:1 ratio draws out blade figure；S3, in the AUTO CAD
Drawn multiple blade figures are individually positioned in each key point on the drawing that the step S1 is finished in software
Put, the cutting face of the blade and the machined surface of the processed product are tangent on the drawing, each key point is to add
The beginning and end of blade running orbit during work difference machined surface；If wherein described machined surface is arc surface, also need
Determine the radius of the blade track；S4, an origin is determined, utilize the point coordinate measurement life in the AUTO CAD softwares
Order measures coordinate of each key point relative to the origin；S5, by the coordinate of each key point measured and processing justify
The radius of the blade track is supplied to Digit Control Machine Tool to be used as programming during cambered surface.
Wherein, every size of the blade includes nose radius, point of a knife angle and the blade and the institute of the blade
State the angle of the main shaft of Digit Control Machine Tool.
Wherein, the radius of the blade track is obtained by the following method during Machining Arc face in the step S3：Using
3 points of methods for determining arc track draw arc track, and the arc track is the fortune when blade processes the arc surface
Row track, then measures the radius of the blade track by the radius measurement order in the AUTO CAD softwares.
Wherein, 3 points of methods for determining arc track comprise the following steps：A, the starting point for determining the arc track
And terminal, i.e., the beginning and end of the blade running orbit when processing the arc surface；B, in the processed product
The circular arc of the correspondence arc surface, which is taken up an official post, in AUTO CAD diagram shapes takes an auxiliary magnet, in the center of circle of the auxiliary magnet and the circular arc
Between make a boost line；C, using the auxiliary magnet as the center of circle, by radius of the nose radius draw an auxiliary circle；It is d, described
An intersection point is had between the extended line of auxiliary circle and the boost line or the boost line, the intersection point is the circular arc rail
The 3rd point on mark, by using the order of three point-rendering circular arcs in AUTO CAD, according to the beginning and end and institute
It is the arc track to state the circular arc that intersection point draws out.
Wherein, the origin is the end face center point of the processed product.
Wherein, the different machined surfaces include one kind in end face plane, the face of cylinder, the conical surface, arc surface and Surface of Sphere, two
Kind, it is a variety of or whole.
Employ after above-mentioned technical proposal, the beneficial effects of the invention are as follows：
Due to Numerical Control Programming householder method of the present invention be by the figure of processed product by AUTO CAD softwares with
1:1 ratio is drawn on computers, blade when then simulating actual processing in AUTO CAD softwares, and will be simulated
Blade be placed on each key point position of processed product CAD diagram shape, pass through the point coordinate measurement order of AUTO CAD softwares
The coordinate of each key point is measured, and is supplied to Numerical Control Programming to use on the coordinate of each key point.The method will be by that will simulate
The cutting face of blade figure carries out tangent mode with the machined surface of processed product figure, can easily and efficiently be processed
The accurate location of each key point of blade running orbit during this product, then passes through the point coordinate measurement order of AUTO CAD softwares
The coordinate of each key point is drawn, numerical control device operating personnel only need to be simple normal by some according to the key point coordinate value provided
Order can complete the establishment of program, and the product size processed is accurate.It can be seen that this method has following two advantages：
First, during the actual processing at each position of product, point of a knife is different from the contact point of product, and the present invention is fully
Consider influence of the point of a knife in processing precise complicated shape product to product size so that the coordinate of blade key point is accurate
It is errorless, so as to ensure that the product size processed is accurate.
2nd, using AUTO CAD mapping softwares, coordinate that is easy, quick and accurately determining key point is greatlyd save
The calculating process of crucial point coordinates.
In summary, it is of the invention by the simple, fast coordinate for determining key point of AUTO CAD softwares, and can be number
Control lathe and accurately knife tower running orbit is provided, that is, simplify the difficulty of numerical control programming, the qualification rate of complex product is improved again.
Brief description of the drawings
Fig. 1 is the structural representation of the processed product in Numerical Control Programming householder method embodiment of the present invention；
Fig. 2 is Fig. 1 line A-A sectional view；
Fig. 3 is Fig. 2 B portions enlarged drawing；
Fig. 4 is the structural representation of blade point of a knife part used in Numerical Control Programming householder method of the present invention；
Fig. 5 is the distribution of each key point in blade running orbit in Numerical Control Programming householder method process of the present invention
Figure；
Fig. 6 is Fig. 5 C portions enlarged drawing；
Fig. 7 is the method schematic diagram that 3 points determine circular arc in Numerical Control Programming householder method of the present invention；
Wherein：30th, first face of cylinder, the 31, first arc surface, the 32, first circular conical surface, the 33, second arc surface, 34, second
Circular conical surface, 35, three-arc face, the 36, the 3rd circular conical surface, the 37, the 4th circular conical surface, 38, second face of cylinder, the 50, first key point,
51st, the second key point, the 52, the 3rd key point, the 53, the 4th key point, the 54, the 5th key point, the 55, the 6th key point, the 56, the 7th
Key point, the 57, the 8th key point, the 58, the 9th key point, the 59, the tenth key point, 70, auxiliary circle, 72, boost line, H, blade fortune
Dynamic rail mark, I, simulation blade, M, the origin of coordinates, O, the center of circle, P, auxiliary magnet, Q, intersection point.
Embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.
A kind of Numerical Control Programming householder method, comprises the following steps：
S1, AUTO CAD softwares are passed through according to the structure of processed product draw accurate AUTO CAD diagrams shape, AUTO
The graphics proportion of CAD diagram shape is 1:1；
S2, the angle of the main shaft of the nose radius of blade, point of a knife angle and blade and Digit Control Machine Tool according to used in processing lead to
AUTO CAD softwares are crossed with 1:1 ratio draws out blade figure；
S3, in AUTO CAD softwares drawn multiple blade figures are individually positioned on the drawing that step S1 is finished
Each key point position, the machined surface in the cutting face of drawing cutter and processed product is tangent, each key point for processing not
The beginning and end of blade running orbit during with machined surface；Wherein if machined surface is arc surface, it is thus necessary to determine that blade track
Radius；
S4, determine an origin, using the point coordinate measurement order in AUTO CAD softwares measure each key point relative to
The coordinate of origin；
S5, it is supplied to Digit Control Machine Tool to make the radius of blade track when the coordinate of each key point measured and Machining Arc face
Used for programming.
The elaboration of row in detail during with reference to instantiation to the above method：
Fig. 1 is the structural representation of a workpiece to be added, and Fig. 2 is the cross-sectional view of this workpiece, this embodiment party
Design of the formula to the present invention by taking the endoporus for processing this part as an example is described in detail.If processing diagram shape of product,
Need knife tower band cutting blade to be moved along vertical and horizontal and coordinate main shaft rotation to complete processing.And the running orbit of knife tower
Controlled by numerical control program, be accomplished by numerical control program being determined the accurate running orbit of knife tower for this.
Fig. 1 and Fig. 2 are the 1 of this workpiece:1 drawing, in order to see more clearly, is exaggerated, such as to Fig. 2 B portions
Shown in Fig. 3, the machined surface of this amplifier section endoporus is justified by first face of cylinder 30, the first arc surface 31, the first circular conical surface 32, second
Cambered surface 33, the second circular conical surface 34, three-arc face 35, the 3rd circular conical surface 36, the 4th circular conical surface 37 and second face of cylinder 38 are successively
It is formed by connecting.When blade processing cutting face accurately can carry out cutting operation along above-mentioned nine machined surfaces, coordinate main shaft rotation
Turn with regard to satisfactory accurate complex product can be processed.Fig. 4 be simulated with AUTO CAD softwares be used for process this work
The blade point of a knife part-structure schematic diagram of part, this blade is rhombus finishing tool blade, wherein the nose radius r of blade=0.2mm, knife
Piece angle b=55 °, setting angle and machine spindle rotation axis angle a=12 ° of blade.By the blade simulated with main shaft
12 ° of angle（I.e. with horizontal line angle）Mode be placed on workpiece 1 to be added:On the figure of 1 ratio, it is ensured that the cutwork of blade
Face and product face to be processed are tangent, now the center of circle of the tool arc of blade be blade cut at this when key point, in reality
The beginning and end that blade processes variant machined surface need to be only obtained in the application of border.
As Fig. 3, Fig. 5 and Fig. 6 jointly shown in, according to the structure of workpiece to be added in present embodiment, it is only necessary to determine ten
The radius of key point and wherein involved arc track can connect out an accurate, complete blade running orbit H.Its
In：
First key point 50 is the machining starting point of the machining starting point, i.e. this workpiece on first face of cylinder 30；
Second key point 51 is the processing terminal on first face of cylinder 30, is also the machining starting point of the first arc surface 31；
3rd key point 52 is the processing terminal of the first arc surface 31, is also the machining starting point of the first circular conical surface 32；
4th key point 53 is the processing terminal of the first circular conical surface 32, is also the machining starting point of the second arc surface 33；
5th key point 54 is the processing terminal of the second arc surface 33, is also the machining starting point of the second circular conical surface 34；
6th key point 55 is the processing terminal of the second circular conical surface 34, is also the machining starting point in three-arc face 35；
7th key point 56 is the processing terminal in three-arc face 35, is also the machining starting point of the 3rd circular conical surface 36；
8th key point 57 is the processing terminal of the 3rd circular conical surface 36, is also the machining starting point of the 4th circular conical surface 37；
9th key point 58 is the processing terminal of the 4th circular conical surface 37, is also the machining starting point on second face of cylinder 38；
Tenth key point 59 is the processing terminal of the processing terminal, i.e. this workpiece on second face of cylinder 38.
The central point M for defining workpiece end face is origin, that is, axis of the machining starting point in main shaft rotary shaft when processing this workpiece
On projection, coordinate is（0,0）, then by the point coordinate measurement order of AUTO CAD softwares can obtain each key point relative to
Origin M accurate coordinate.
Between second key point 51 and the 3rd key point 52, between the 4th key point 53 and the 5th key point 54 and the 6th
It is circular arc between the key point 56 of key point 55 and the 7th, this three sections of circular arcs can be drawn by way of 3 points determine arc track
Go out, the radius of this three sections of circular arcs is then measured by the radius measurement order in ATUO CAD softwares, by the seat of ten key points
The radius value of scale value and three sections of circular arcs is supplied to Digit Control Machine Tool, may be such that Digit Control Machine Tool draws the accurate running orbit of blade, from
And process the accurate complicated processing part of size qualification.
As shown in fig. 7, to process the first arc surface 31（As shown in Figure 3）When blade running orbit exemplified by be illustrated,
3 points of modes for determining arc track comprise the following steps：
A, the beginning and end for determining arc track, starting point are the second key point 51, and terminal is the 3rd key point 52；
B, the circular arc of the first arc surface 31 of correspondence is taken up an official post and takes an auxiliary magnet P, the circular arc in the AUTO CAD diagram shapes of workpiece
The center of circle be O, a boost line 72 is done between auxiliary magnet P and center of circle O；
C, using auxiliary magnet P as the center of circle, an auxiliary circle 70 is done by radius of the nose radius r of blade；
D, auxiliary circle 70 intersect with boost line 72, and intersection point is Q, and intersection point Q is the 3rd point on this section of arc track, lead to
The order that three point-rendering circular arcs are used in AUTO CAD is crossed, is drawn according to the second key point 51, intersection point Q and the 3rd key point 52
The circular arc gone out is running orbit of the blade when processing the first arc surface 31.
This embodiment is the Inner arc of processing, and old friend's point Q is located in boost line 72, if processing is external arc,
Intersection point should be located on the extended line of boost line.
Product shown in the drawings is only the instantiation that inventor uses in order to be able to the design of the detailed elaboration present invention,
And the method for the present invention is not limited to the workpiece of such a structure, the processing of inner hole of workpiece, method of the invention are also not limited to
It is applicable in the digital control processing part of any structure, the tool of the workpiece of other structures is applied to for method of the invention
Body embodiment those skilled in the art would not require any inventive effort according to the description of this specification it is achieved that event
The embodiment that the method for the present invention is applied to the workpiece of other structures will not be described in detail herein.
The present invention is not limited to above-mentioned specific embodiment, one of ordinary skill in the art from above-mentioned design,
Without performing creative labour, made a variety of conversion are within the scope of the present invention.
Claims (6)
1. Numerical Control Programming householder method, it is characterised in that comprise the following steps：
S1, AUTO CAD softwares are passed through according to the structure of processed product draw accurate AUTO CAD diagrams shape, the AUTO
The graphics proportion of CAD diagram shape is 1:1；
S2, according to processing used in blade every size by the AUTO CAD softwares with 1:1 ratio draws out blade figure
Shape；
S3, drawn multiple blade figures are individually positioned in the step S1 in the AUTO CAD softwares finished
Drawing on each key point position, the cutting face of the blade and the machined surface phase of the processed product on the drawing
Cut, the beginning and end of blade running orbit when each key point is processes different machined surfaces；If wherein described add
When work face is arc surface, it is thus necessary to determine that the radius of the blade track；
S4, an origin is determined, each key point phase is measured using the point coordinate measurement order in the AUTO CAD softwares
For the coordinate of the origin；
S5, the radius of the blade track when coordinate of each key point measured and Machining Arc face is supplied to numerical control machine
Bed is used as programming；
In the step S3, the blade is placed on to the position of each key point, and the blade with horizontal line it
Between angle angle be equal to angle angle between the blade and the main-shaft axis of the Digit Control Machine Tool.
2. Numerical Control Programming householder method according to claim 1, it is characterised in that every size bag of the blade
Include the angle of nose radius, point of a knife angle and the blade of the blade and the main shaft of the Digit Control Machine Tool.
3. Numerical Control Programming householder method according to claim 2, it is characterised in that Machining Arc in the step S3
The radius of the blade track is obtained by the following method during face：
Arc track is drawn using 3 points of methods for determining arc track, the arc track is that the blade processes the circular arc
Running orbit during face, then measures the half of the blade track by the radius measurement order in the AUTO CAD softwares
Footpath.
4. Numerical Control Programming householder method according to claim 3, it is characterised in that described 3 points determine arc track
Method comprise the following steps：
A, the beginning and end for determining the arc track, i.e., the starting point of the blade running orbit when processing the arc surface
And terminal；
B, the circular arc of the correspondence arc surface is taken up an official post and takes an auxiliary magnet in the AUTO CAD diagram shapes of the processed product, in institute
State one boost line of work between the center of circle of auxiliary magnet and the circular arc；
C, using the auxiliary magnet as the center of circle, by radius of the nose radius draw an auxiliary circle；
An intersection point is had between d, the auxiliary circle and the boost line or the boost line extension line, the intersection point is
The 3rd point on the arc track, by using the order of three point-rendering circular arcs in AUTO CAD, according to the starting point
The circular arc drawn out with terminal and the intersection point is the arc track.
5. Numerical Control Programming householder method according to claim 4, it is characterised in that the origin is described to be processed
The end face center point of product.
6. Numerical Control Programming householder method according to claim 1, it is characterised in that the different machined surfaces include end
One kind in facial plane, the face of cylinder, the conical surface, arc surface and Surface of Sphere, two kinds, it is a variety of or whole.
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| CN201410096445.4A CN103838182B (en) | 2014-03-15 | 2014-03-15 | Numerical Control Programming householder method |
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| CN103838182B true CN103838182B (en) | 2017-09-15 |
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| CN106141447B (en) * | 2016-07-14 | 2017-12-29 | 昆山嘉斯特自动化技术有限公司 | Figure import feature is bound to the method for laser cutting machine |
| CN114367869A (en) * | 2022-02-21 | 2022-04-19 | 乐清市渝方自动化科技有限公司 | Punching method based on AUTOCAD drawing |
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| CN103439918B (en) * | 2013-08-07 | 2015-09-23 | 华中科技大学 | A kind of method based on its mismachining tolerance of cutter rail data acquisition |
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