CN101441673A - Method and apparatus for drafting milling cutter corrugated teeth edge opening type line - Google Patents
Method and apparatus for drafting milling cutter corrugated teeth edge opening type line Download PDFInfo
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- CN101441673A CN101441673A CNA200810147947XA CN200810147947A CN101441673A CN 101441673 A CN101441673 A CN 101441673A CN A200810147947X A CNA200810147947X A CN A200810147947XA CN 200810147947 A CN200810147947 A CN 200810147947A CN 101441673 A CN101441673 A CN 101441673A
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Abstract
The invention discloses a method and a device for drawing a corrugated toothed cutting edge profile of a milling cutter. The drawing steps of the corrugated toothed cutting edge profile of the milling cutter are written into a computer program and are edited into an autocad drawing software; a computer is used to run the program of a drawing system to automatically draw the corrugated toothed cutting edge profile of the milling cutter; and the operation can be finished within five minutes, while the prior hand drawing by the autocad software takes at least four hours. The method and the device greatly improve work efficiency and shorten technology preparation time.
Description
Technical field
The present invention relates to the metal cutting tool process technology, be specifically related to a kind of method and device of drafting milling cutter ripple cutting edge molded lines.
Background technology
The cutting edge of molded lines milling cutter needs to process with numerically-controlled machine.At first draw out the cutting edge molded lines, write the job sequence of cutting edge molded lines then, deposit machine tool control system in, can carry out the processing of milling cutter cutting edge according to design parameter.
Be used for rough machined milling cutter the disconnected groove of cutting will be set on blade usually,, shorten milling cutter serviceable life so that disconnected cutting prevents from freely not damage cutting edge because of row cuts.Each disconnected geometric configuration, size of cutting groove is identical, and arranges continuously side by side, and all disconnected cross section molded lines of cutting groove are cosine curves.Disconnected to cut groove crossing with cutting edge, and the cutting edge molded lines just changes, and becomes corrugated teeth edge opening type line.The bar number of wave molding equals the disconnected groove groove number of cutting, the corresponding disconnected slot pitch of cutting groove of the pitch of waves of wave molding, the corresponding disconnected groove depth of cutting groove of the depth of convolution.
The profile molded lines of milling cutter ripple cutting edge molded lines and workpiece to be machined is also inequality, and the line of cut that match forms but milling cutter rotates a circle is consistent with the profile molded lines of workpiece to be machined.Milling cutter ripple cutting edge molded lines is a three-dimensional curve, and is more more complicated, tortuous than the profile molded lines of workpiece to be machined, and drafting ripple cutting edge molded lines difficulty is big, step is many, and is very loaded down with trivial details.
At present, drawing ripple cutting edge molded lines is to use the autocad mapping software, by technician's manual drawing, the steps include: earlier according to the cutting edge design parameter basic molded lines of cutting edge that draws, promptly there is not the disconnected cutting edge molded lines of cutting groove, the wave molding that draws on basic molded lines again, all wave molding matches form the basic molded lines of cutting edge.The step of drawing wave molding comprises:
The basic molded lines of-spacing five equilibrium, the five equilibrium distance=pitch of waves/disconnected groove groove number of cutting;
-go out two auxiliary molded lines, the offset distance=depth of convolution of each molded lines/2 from basic molded lines sequence offsets;
-partial node that waits on three molded lines is cross-linked with level and smooth camber line, form the ripple molded lines.
Through above-mentioned three steps, just obtain one group of wave molding that is twisted shape, the bar number of wave molding is identical with the disconnected groove number of cutting groove, the corresponding disconnected slot pitch of cutting groove of the pitch of waves, the corresponding groove depth of breaking and cutting groove of the depth of convolution.
Above manual drawing practice needs 4 hours at least, and efficient is very low.And the cutting edge molded lines of manual drawing can't guarantee entirely true.Because during the basic molded lines of manual drawing, when these points are connected into multi-line section, may all points not connected; If have broken string just can not reach the technical requirement of production, must return to the technician and revise, till not breaking.Also may be with a connection error, cause the wave molding can not match.
Summary of the invention
Purpose of the present invention provides a kind of method and device of drafting milling cutter corrugated teeth edge opening type line, replaces manually with this method and device, draws out corrugated tooth edge profile of milling cutter automatically.
Technical solution of the present invention is:
A kind of method of drafting milling cutter corrugated teeth edge opening type line, it is characterized in that being write the plot step of corrugated tooth edge profile of milling cutter as computer program, enroll the autocad drafting system, by this drafting system program of computer run, automatically draw out milling cutter ripple cutting edge molded lines, concrete steps are as follows:
1. programming
-write out the code of the basic molded lines mathematical model of cutting edge;
-write out and draw the code of assisting the molded lines step;
-write out the code of drawing partial node steps such as basic molded lines spacing;
-write out with on basic molded lines, the auxiliary molded lines etc. partial node connect into the code of wave molding step;
Deposit the code data of basic molded lines mathematical model and swash mathematical model in computer memory, the code of each drawing step is enrolled the autocad drafting system;
2. open computing machine, operation autocad drafting system;
3. import the characteristic ginseng value of basic molded lines mathematical model and the characteristic ginseng value of swash, computer automatic drafting goes out corrugated tooth edge profile of milling cutter.
The described five equilibrium distance=pitch of waves/disconnected groove groove number of cutting that waits partial node.
Offset distance=depth of convolution/2 of described auxiliary molded lines and basic molded lines.
A kind of device of drafting milling cutter corrugated teeth edge opening type line comprises computing machine and peripherals thereof, and the storer of described computing machine has the autocad drafting system, it is characterized in that:
Described storer has the mathematical model of corrugated tooth edge profile of milling cutter; Comprise basic molded lines mathematical model and swash mathematical model;
Described autocad drafting system has the corrugated tooth edge profile of milling cutter drafting module, and this module comprises following submodule:
-basic molded lines drafting module is used for drawing the basic molded lines of cutting edge according to the basic molded lines mathematical model of cutting edge;
-sub-modules such as basic molded lines spacing are used for basic molded lines spacing five equilibrium, and partial node such as draw;
-auxiliary molded lines drafting module is used for being offset out auxiliary molded lines from basic molded lines;
-wait the partial node link block, be used for on basic molded lines, the auxiliary molded lines etc. partial node become wave molding with the camber line smooth connection.
Described peripherals has display, is used to show the operation interface of drawing course.
Described computing machine has display module, is used for the datagraphic conversion of signals of each graphics module output is become the mimic diagram signal, shows for display.
Described computing machine has load module, is used for the input operation instruction.
Technique effect of the present invention:
The present invention has increased the function of automatic drafting milling cutter corrugated teeth edge opening type line by to the secondary development of autocad mapping software, and 4 hours work has improved work efficiency greatly before just finishing in 5 minutes, has shortened technology setup time.
Description of drawings
Fig. 1 is the structured flowchart of this device.
Fig. 2 is a process flow diagram of the present invention.
Fig. 3 is a milling cutter cutting edge molded lines synoptic diagram, wherein:
Fig. 3-the 1st, basic molded lines synoptic diagram;
Fig. 3-the 2nd, branch node synoptic diagram such as basic molded lines;
Fig. 3-the 3rd, auxiliary molded lines synoptic diagram;
Fig. 3-the 4th, the node connection diagram.
Embodiment
Referring to Fig. 1: this plotting unit is made of a computing machine and peripherals thereof, main frame has load module 1, memory module 2 (comprising interior external memory), central processing module 3, display module 4, peripherals mainly contains display 5, and main frame is equipped with autocad mapping software 6.
The characteristics of this plotting unit, be that autocad mapping software 6 has been carried out secondary development, increased the functional module of automatic drafting milling cutter corrugated teeth edge opening type line, this functional module comprises 4 submodules, sub-modules 6.2 such as promptly basic molded lines drafting module 6.1, basic molded lines spacing, auxiliary molded lines drafting module 6.3, etc. partial node link block 6.4.Wherein, basic molded lines drafting module 6.1 is that autocad mapping software 6 is original, and all the other submodules increase newly.
The content of autocad mapping software 6 secondary development is:
-write out the code of the basic molded lines mathematical model of milling cutter cutting edge;
-write out the code of drawing partial node steps such as basic molded lines spacing;
-write out and draw the code of assisting the molded lines step;
-write out with on basic molded lines, the auxiliary molded lines etc. partial node connect into the code of wave molding step;
Deposit basic molded lines mathematical model code data the storer of computing machine in, the code of each drawing step is enrolled the autocad mapping software, this software has just possessed the function of automatic drafting milling cutter corrugated teeth edge opening type line.
The principle of work of this plotting unit is: by the characteristic ginseng value input computing machine of operator with basic molded lines mathematical model and swash, convert digital signal data to through load module 1, deposit memory module 2 in; Central processing module 3 carries out computing according to mathematical model to input signal data, draw the control signal of each molded lines rendering submodule, send into sub-module 6.2, auxiliary molded lines drafting modules 6.3 such as basic molded lines drafting module 6.1, basic molded lines spacing respectively, these modules automatically perform mapping operation separately, finally obtain the corrugated tooth edge profile of milling cutter that adheres to specification.The figure that each module is drawn out is a kind of datagraphic signal, and this datagraphic signal converts the mimic diagram signal to through display module 4, is shown by display 5.
The characteristic ginseng value of basic molded lines mathematical model is not promptly with disconnected cutting edge design parameter value of cutting groove, the design parameter value that the characteristic ginseng value of swash promptly breaks and cuts groove.
The workflow of this plotting unit is seen Fig. 2.
The concrete steps of drafting milling cutter corrugated teeth edge opening type line are as follows:
1). according to the design parameter basic molded lines A that draws;
Basic molded lines A is obtained by the molded lines parameter that design drawing provides.Shown in Fig. 3-1.
2). the wave molding that draws on basic molded lines comprises following substep:
2.1). set the initial value of cutter ripple sword earlier according to following swash mathematical model, promptly
The bar number of the wave molding=disconnected groove groove number (1) of cutting
Five equilibrium distance=the pitch of waves/disconnected groove groove the number (2) of cutting
In the formula: the five equilibrium distance---the adjacent distance that waits between the partial node on the basic molded lines;
Distance between the pitch of waves---wave molding two crests or the trough.
Cutting groove if break is three, the five equilibrium distance=pitch of waves/3, and cutting groove as if breaking is four, the five equilibrium distance=pitch of waves/4, the rest may be inferred.
Offset distance=depth of convolution/2; (3)
In the formula: offset distance---the offset distance of auxiliary molded lines and basic molded lines.
2.2). the basic molded lines of five equilibrium
, carry out " connection multi-line section " order these nodes are connected into a multi-line section, shown in Fig. 3-2 according to formula (2) partial node such as draw Deng sub-module 6.2.
2.3). draw auxiliary molded lines
Auxiliary molded lines drafting module 6.3 is carried out " skew " order according to formula (3), goes out two auxiliary molded lines B, C from the same direction sequence offsets of basic molded lines A, and by the same five equilibrium of basic molded lines A bisecting method.Shown in Fig. 3-3.
2.4). draw wave molding
Carry out " circular arc " order Deng partial node link block 6.4, with the method for three strokes and dots circular arcs, with on three molded lines A, B, the C etc. partial node be cross-linked, promptly node press the a1-b2-c3-b4-a5-b6 order with " circular arc " connection, formation swash L1.Node is pressed the b1-a2-b3-c4-b5-a6 order and is connected with " circular arc ", forms swash L2.Node is pressed the c1-b2-a3-b4-c5-b6 order and is connected with " circular arc ", forms swash L3.Node is pressed the b1-c2-b3-a4-b5-c6 order and is connected with " circular arc ", forms swash L4.Obtain cutting one group of identical wave molding of groove groove number with disconnected, in this example, disconnected to cut groove be four roads, so four swash are arranged.As shown in Figure 3-4.
By above-mentioned steps, promptly obtain corrugated tooth edge profile of milling cutter, all finish automatically in steps, only need five-minute period.
Claims (7)
1. the method for a drafting milling cutter corrugated teeth edge opening type line, it is characterized in that being write the plot step of corrugated tooth edge profile of milling cutter as computer program, enroll the autocad drafting system, by this drafting system program of computer run, automatically draw out milling cutter ripple cutting edge molded lines, concrete steps are as follows:
1. programming
-write out the code of the basic molded lines mathematical model of cutting edge;
-write out and draw the code of assisting the molded lines step;
-write out the code of drawing partial node steps such as basic molded lines spacing;
-write out with on basic molded lines, the auxiliary molded lines etc. partial node connect into the code of wave molding step;
Deposit the code data of basic molded lines mathematical model and swash mathematical model in computer memory, the code of each drawing step is enrolled the autocad drafting system;
2. open computing machine, operation autocad drafting system;
3. import the characteristic ginseng value of basic molded lines mathematical model and the characteristic ginseng value of swash, computer automatic drafting goes out corrugated tooth edge profile of milling cutter.
2. the method for drafting milling cutter corrugated teeth edge opening type line according to claim 1 is characterized in that: the described five equilibrium distance=pitch of waves/disconnected groove number of cutting that waits partial node.
3. the method for drafting milling cutter corrugated teeth edge opening type line according to claim 1 is characterized in that: offset distance=depth of convolution/2 of described auxiliary molded lines and basic molded lines.
4. the device of a drafting milling cutter corrugated teeth edge opening type line comprises computing machine and peripherals thereof, and the storer of described computing machine has the autocad drafting system, it is characterized in that:
Described storer has the mathematical model of corrugated tooth edge profile of milling cutter; Comprise basic molded lines mathematical model and swash mathematical model;
Described autocad drafting system has the corrugated tooth edge profile of milling cutter drafting module, and this module comprises following submodule:
-basic molded lines drafting module is used for drawing the basic molded lines of cutting edge according to the basic molded lines mathematical model of cutting edge;
-sub-modules such as basic molded lines spacing are used for basic molded lines spacing five equilibrium, and partial node such as draw;
-auxiliary molded lines drafting module is used for being offset out auxiliary molded lines from basic molded lines;
-wait the partial node link block, be used for on basic molded lines, the auxiliary molded lines etc. partial node become wave molding with the camber line smooth connection.
5. the device of drafting milling cutter corrugated teeth edge opening type line according to claim 4, it is characterized in that: described peripherals has display, is used to show the operation interface of drawing course.
6. the device of drafting milling cutter corrugated teeth edge opening type line according to claim 4, it is characterized in that: described computing machine has display module, is used for the datagraphic conversion of signals of each graphics module output is become the mimic diagram signal, shows for display.
7. the device of drafting milling cutter corrugated teeth edge opening type line according to claim 4, it is characterized in that: described computing machine has load module, is used for the input operation instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810147947XA CN101441673A (en) | 2008-12-23 | 2008-12-23 | Method and apparatus for drafting milling cutter corrugated teeth edge opening type line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810147947XA CN101441673A (en) | 2008-12-23 | 2008-12-23 | Method and apparatus for drafting milling cutter corrugated teeth edge opening type line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894194A (en) * | 2010-07-28 | 2010-11-24 | 东方电气集团东方汽轮机有限公司 | Method and device for drawing corrugated tooth edge profile of milling cutter |
| CN101916316A (en) * | 2010-08-20 | 2010-12-15 | 镇江科大船苑计算机网络工程有限公司 | Scutcheon scale value drawing method |
| CN103530436A (en) * | 2013-06-26 | 2014-01-22 | 厦门钨业股份有限公司 | Tooling layout drawing parameterization generation method based on AUTOCAD. NET API |
-
2008
- 2008-12-23 CN CNA200810147947XA patent/CN101441673A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894194A (en) * | 2010-07-28 | 2010-11-24 | 东方电气集团东方汽轮机有限公司 | Method and device for drawing corrugated tooth edge profile of milling cutter |
| CN101916316A (en) * | 2010-08-20 | 2010-12-15 | 镇江科大船苑计算机网络工程有限公司 | Scutcheon scale value drawing method |
| CN103530436A (en) * | 2013-06-26 | 2014-01-22 | 厦门钨业股份有限公司 | Tooling layout drawing parameterization generation method based on AUTOCAD. NET API |
| CN103530436B (en) * | 2013-06-26 | 2017-02-08 | 厦门钨业股份有限公司 | Tooling layout drawing parameterization generation method based on AUTOCAD. NET API |
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Open date: 20090527 |