CN102152168A - Corner cutting control method in cutting processing system - Google Patents
Corner cutting control method in cutting processing system Download PDFInfo
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- CN102152168A CN102152168A CN 201110049571 CN201110049571A CN102152168A CN 102152168 A CN102152168 A CN 102152168A CN 201110049571 CN201110049571 CN 201110049571 CN 201110049571 A CN201110049571 A CN 201110049571A CN 102152168 A CN102152168 A CN 102152168A
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Abstract
The invention relates to a corner cutting control method in a cutting processing system. In the method, the system firstly detects and determines the correspondence relationship between the cutting speed and the cutting power of a cutting material under the requirement of same cutting seam width according to the cutting material and the maximum permissible error value set by a user, and then determines the correspondence relationship between the cutting speed and the cutting power during current processing; and in the cutting process, the system detects the cutting speed in real time and obtains the corresponding cutting power according to the correspondence relationship between the cutting speed and the cutting power during current processing, and controls the output cutting power in real time. Therefore, by using the corner cutting control method, the output of the cutting power can be reduced when the cutting processing system is in a corner position requiring a lower cutting speed, so that the smoothness of the cut corner is guaranteed, and the phenomenon of color change due to overburning is effectively avoided. Besides, the application method provided by the invention is simple and convenient, and the application range is wider.
Description
Technical field
The present invention relates to Digit Control Machine Tool control technology field, the particularly cutting processing control technology field of Digit Control Machine Tool specifically is meant the corner cutting control method in a kind of cutting processing system.
Background technology
In the present Digit Control Machine Tool cutting processing technology, generally require otch bright and clean, cutting accuracy meets the requirements.With the laser cutting system is example, is carrying out some during the cutting processing of expensive material, requires also highlyer for cutting accuracy and cut quality, and these rapidoprints require otch smooth, and the burning metachromatism can not appear in the cutting border.
For above-mentioned technological requirement, in the existing cutting processing system, the pulse laser control method that adopt usually the corner is handled, though this method can partly solve the problem of corner burn-off phenomenon, influenced the smooth degree of cut place.And other diced system beyond the laser cutting system does not then also have to reach the effective ways of above-mentioned cutting technique requirement.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, a kind of fineness that can guarantee to cut the corner is provided, effectively avoid simultaneously the generation of burning metachromatism, and application process is easy, range of application is the corner cutting control method in the cutting processing system comparatively widely.
In order to realize above-mentioned purpose, the corner cutting control method in the cutting processing of the present invention system may further comprise the steps:
(0) system operates according to the user, sets cutting material and limits of error value;
(1) system detect and determine described cutting material under identical width of slit requires cutting speed and the corresponding relation between the cutting power;
(2) system determines to work as the corresponding relation of time processing cutting speed and cutting power according to corresponding relation between described cutting speed and the cutting power and described limits of error value;
(3) system detects cutting speed, and obtains corresponding cutting power according to described corresponding relation when time processing cutting speed and cutting power, the cutting power of control output in real time.
In the corner cutting control method in this cutting processing system, corresponding relation between described cutting speed and the cutting power is cutting speed and cutting power mapping table, comprises the experiment parameter point of several cutting speeds and corresponding cutting power in this mapping table.
In the corner cutting control method in this cutting processing system, described step (2) specifically may further comprise the steps:
(21) system simulates the functional relation equation of cutting speed and cutting power according to described cutting speed and cutting power mapping table:
P＝f(v)；
(22) system judge equation P=f (whether error amount v) greater than the limits of error value that sets, if be not more than, then enters step (23), if greater than, then enter step (24);
(23) system (v) as the corresponding relation when time processing cutting speed and cutting power, and enters step (3) with the speed of institute's match and the functional relation equation P=f of power;
(24) system is connected to sectional curve with described each experiment parameter point, determines the corresponding relation when time processing cutting speed and cutting power of every section curve, and enters step (3).
In the corner cutting control method in this cutting processing system, the functional relation equation P=f of described cutting speed and cutting power (v) is the linear equation with one unknown or the monobasic equation of higher degree.
In the corner cutting control method in this cutting processing system, described limits of error value is the maximum variance value, P=f judges in the middle system of described step (22), and (whether error amount v) is greater than the limits of error value that sets, specifically be meant: (variance v), relatively whether it is greater than the maximum variance value that sets for accounting equation P=f.
In the corner cutting control method in this cutting processing system, described cutting speed and cutting power mapping table are the machined parameters of system with the data mode storage.
In corner in this cutting processing system cutting control method, described cutting processing system also comprises in order to the machined parameters input module of described cutting speed of user's modification and cutting power mapping table to be provided.
In the corner cutting control method in this cutting processing system, described data mode is a CMap Hash table data structure.
In the corner cutting control method in this cutting processing system, described step (3) specifically may further comprise the steps:
(31) system detects the linear velocity of cutting in real time;
(32) system determines the pairing cutting power of this linear velocity according to detected linear velocity and described corresponding relation of working as time processing cutting speed and cutting power;
(33) system controls the magnitude of voltage of cutting port in real time according to determined cutting power.
Adopted the corner cutting control method in the cutting processing of the present invention system, system at first detect and determine described cutting material under identical width of slit requirement cutting speed and the corresponding relation between the cutting power; Determine corresponding relation then when time processing cutting speed and cutting power; When cutting, system detects cutting speed, and obtains corresponding cutting power according to described corresponding relation when time processing cutting speed and cutting power, the cutting power of control output in real time.Corner cutting control method therefore of the present invention can be at the slower angle position of cutting speed, reduce the output of cutting power, thereby guaranteed the fineness of cutting corner, effectively avoid the generation of burning metachromatism simultaneously, and application process of the present invention is easy, and range of application is comparatively extensive.
Description of drawings
Fig. 1 is the flow chart of steps of the corner cutting control method in the cutting processing of the present invention system.
Fig. 2 is cutting speed and a cutting power corresponding relation hoist pennants in the corner cutting control method in the cutting processing of the present invention system.
The specific embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also shown in Figure 1ly, be the flow chart of steps of the cutting of the corner in cutting processing of the present invention system control method.
In one embodiment of the invention, described method specifically may further comprise the steps:
(0) system operates according to the user, sets cutting material and limits of error value;
(1) system detect and determine described cutting material under identical width of slit requires cutting speed and the corresponding relation between the cutting power;
(2) system determines to work as the corresponding relation of time processing cutting speed and cutting power according to corresponding relation between described cutting speed and the cutting power and described limits of error value;
(3) system detects cutting speed, and obtains corresponding cutting power according to described corresponding relation when time processing cutting speed and cutting power, the cutting power of control output in real time.
Wherein, corresponding relation between described cutting speed and the cutting power is cutting speed and cutting power mapping table, this mapping table is the machined parameters of system with the data mode storage, as shown in Figure 2, the experiment parameter point that comprises several cutting speeds and corresponding cutting power in this mapping table.
In a kind of more preferably embodiment, described cutting processing system also comprises in order to the machined parameters input module of described cutting speed of user's modification and cutting power mapping table to be provided.
More preferably in the embodiment, described data mode is a CMap Hash table data structure at another kind.
A kind of preferred embodiment in, described step (2) specifically may further comprise the steps:
(21) system simulates the functional relation equation of cutting speed and cutting power according to described cutting speed and cutting power mapping table:
P＝f(v)；
(22) system judge equation P=f (whether error amount v) greater than the limits of error value that sets, if be not more than, then enters step (23), if greater than, then enter step (24);
(23) system (v) as the corresponding relation when time processing cutting speed and cutting power, and enters step (3) with the speed of institute's match and the functional relation equation P=f of power;
(24) system is connected to as shown in Figure 2 sectional curve with described each experiment parameter point, determines the corresponding relation when time processing cutting speed and cutting power of every section curve, and enters step (3).
Wherein, the functional relation equation P=f of described cutting speed and cutting power (v) is the linear equation with one unknown or the monobasic equation of higher degree.
In a kind of preferred embodiment, described limits of error value is the maximum variance value, P=f judges in the middle system of described step (22), and (whether error amount v) is greater than the limits of error value that sets, specifically be meant: (variance v), relatively whether it is greater than the maximum variance value that sets for accounting equation P=f.
In another preferred embodiment, described step (3) specifically may further comprise the steps:
(31) system detects the linear velocity of cutting in real time;
(32) system determines the pairing cutting power of this linear velocity according to detected linear velocity and described corresponding relation of working as time processing cutting speed and cutting power;
(33) system controls the magnitude of voltage of cutting port in real time according to determined cutting power.
Main design thought of the present invention is by detecting the instant process velocity of lathe, as variable, calculating the working power that use with instantaneous velocity.Concrete steps are as follows:
One, according to user's needs material processed, under the identical condition of slot, measure a power, the speed table of comparisons, this table of comparisons is a monotonically increasing curve, as shown in Figure 2.
Two,, simulate a monobasic once or the equation of higher degree according to this table of comparisons; The linear equation of each section is directly used in perhaps segmentation.
Three, this is shown with a kind of data structure (as CMap), preservation is got up, and provides the modification interface on the software interface, allows the corresponding relation of this power of user's modification, speed.
Four, add man-hour, the linear velocity of the current lathe operation of software detection is used the functional relation that simulates in second step then, and perhaps table look-at is obtained the power that export.
In actual applications, the step of the corner cutting control method in the cutting processing of the present invention system is as follows:
1, determines the material that the user need cut, under the identical condition of slot width, measure one group of speed, power corresponding relation, by the data inputting interface, with the data point input system.Require the user to provide acceptable variance maximum behind the fitting a straight line simultaneously.
2, system is according to these data points, simulate have mathematic(al) representation once or high order curve, judge that whether variance is greater than user's tolerance interval.
If 3 are not more than, just use this matched curve as speed, power corresponding relation curve.
If 4 greater than given variance, just use sectional curve, adopt the method for at every turn tabling look-up, draw corresponding performance number.
5, determine after speed, the power corresponding relation curve, the real-time process velocity of software detection, and according to this corresponding relation, obtain realtime power, control laser head port voltage, thereby the output power value of control laser head.
Adopted the corner cutting control method in the cutting processing of the present invention system, system at first detect and determine described cutting material under identical width of slit requirement cutting speed and the corresponding relation between the cutting power; Determine corresponding relation then when time processing cutting speed and cutting power; When cutting, system detects cutting speed, and obtains corresponding cutting power according to described corresponding relation when time processing cutting speed and cutting power, the cutting power of control output in real time.Corner cutting control method therefore of the present invention can be at the slower angle position of cutting speed, reduce the output of cutting power, thereby guaranteed the fineness of cutting corner, effectively avoid the generation of burning metachromatism simultaneously, and application process of the present invention is easy, and range of application is comparatively extensive.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (9)
1. the cutting of the corner in cutting processing system control method is characterized in that described method may further comprise the steps:
(0) system operates according to the user, sets cutting material and limits of error value;
(1) system detect and determine described cutting material under identical width of slit requires cutting speed and the corresponding relation between the cutting power;
(2) system determines to work as the corresponding relation of time processing cutting speed and cutting power according to corresponding relation between described cutting speed and the cutting power and described limits of error value;
(3) system detects cutting speed, and obtains corresponding cutting power according to described corresponding relation when time processing cutting speed and cutting power, the cutting power of control output in real time.
2. the corner cutting control method in the cutting processing according to claim 1 system, it is characterized in that, corresponding relation between described cutting speed and the cutting power is cutting speed and cutting power mapping table, comprises the experiment parameter point of several cutting speeds and corresponding cutting power in this mapping table.
3. the corner cutting control method in the cutting processing according to claim 2 system is characterized in that described step (2) specifically may further comprise the steps:
(21) system simulates the functional relation equation of cutting speed and cutting power according to described cutting speed and cutting power mapping table:
P＝f(v)；
(22) system judge equation P=f (whether error amount v) greater than the limits of error value that sets, if be not more than, then enters step (23), if greater than, then enter step (24);
(23) system (v) as the corresponding relation when time processing cutting speed and cutting power, and enters step (3) with the speed of institute's match and the functional relation equation P=f of power;
(24) system is connected to sectional curve with described each experiment parameter point, determines the corresponding relation when time processing cutting speed and cutting power of every section curve, and enters step (3).
4. the corner cutting control method in the cutting processing according to claim 3 system is characterized in that the functional relation equation P=f of described cutting speed and cutting power (v) is the linear equation with one unknown or the monobasic equation of higher degree.
5. the corner cutting control method in the cutting processing according to claim 3 system, it is characterized in that, described limits of error value is the maximum variance value, in the described step (22) system judge P=f (whether error amount v) specifically is meant greater than the limits of error value that sets:
(variance v), relatively whether it is greater than the maximum variance value that sets for accounting equation P=f.
6. the corner cutting control method in the cutting processing according to claim 2 system is characterized in that described cutting speed and cutting power mapping table are the machined parameters that system stores with data mode.
7. the corner cutting control method in the cutting processing according to claim 6 system is characterized in that, described cutting processing system also comprises in order to the machined parameters input module of described cutting speed of user's modification and cutting power mapping table to be provided.
8. the corner cutting control method in the cutting processing according to claim 6 system is characterized in that described data mode is a CMap Hash table data structure.
9. according to the corner cutting control method in each described cutting processing system in the claim 1 to 8, it is characterized in that described step (3) specifically may further comprise the steps:
(31) system detects the linear velocity of cutting in real time;
(32) system determines the pairing cutting power of this linear velocity according to detected linear velocity and described corresponding relation of working as time processing cutting speed and cutting power;
(33) system controls the magnitude of voltage of cutting port in real time according to determined cutting power.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI508809B (en) * | 2012-09-11 | 2015-11-21 | Rorze Systems Corp | Method of cutting a non-metallic material along a curved line |
| CN108098453A (en) * | 2018-03-09 | 2018-06-01 | 上海维宏电子科技股份有限公司 | Method for control speed with the numerically-controlled machine tool that knife is moved with rotation axis |
| CN112846533A (en) * | 2020-12-31 | 2021-05-28 | 武汉华工激光工程有限责任公司 | Laser cutting method for beryllium-copper alloy material of 5G connector |
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| CN1394157A (en) * | 2000-10-26 | 2003-01-29 | 西铁城时计株式会社 | Method and device for automatically preparing processing program |
| CN1575910A (en) * | 1994-02-24 | 2005-02-09 | 三菱电机株式会社 | Laser cutting method and apparatus |
| US20070281444A1 (en) * | 2004-03-15 | 2007-12-06 | Mitsuboshi Diamond Industrial Co., Ltd. | Substrate Dividing System, Substrate Manufacturing Equipment, Substrate Scribing Method and Substrate Dividing Method |
| CN101474724A (en) * | 2009-01-06 | 2009-07-08 | 深圳市大族激光科技股份有限公司 | Laser cutting method for angle of rotation |
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Patent Citations (4)
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| CN1575910A (en) * | 1994-02-24 | 2005-02-09 | 三菱电机株式会社 | Laser cutting method and apparatus |
| CN1394157A (en) * | 2000-10-26 | 2003-01-29 | 西铁城时计株式会社 | Method and device for automatically preparing processing program |
| US20070281444A1 (en) * | 2004-03-15 | 2007-12-06 | Mitsuboshi Diamond Industrial Co., Ltd. | Substrate Dividing System, Substrate Manufacturing Equipment, Substrate Scribing Method and Substrate Dividing Method |
| CN101474724A (en) * | 2009-01-06 | 2009-07-08 | 深圳市大族激光科技股份有限公司 | Laser cutting method for angle of rotation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI508809B (en) * | 2012-09-11 | 2015-11-21 | Rorze Systems Corp | Method of cutting a non-metallic material along a curved line |
| CN108098453A (en) * | 2018-03-09 | 2018-06-01 | 上海维宏电子科技股份有限公司 | Method for control speed with the numerically-controlled machine tool that knife is moved with rotation axis |
| CN108098453B (en) * | 2018-03-09 | 2019-10-01 | 上海维宏电子科技股份有限公司 | Method for control speed with the numerically-controlled machine tool that knife is moved with rotary shaft |
| CN112846533A (en) * | 2020-12-31 | 2021-05-28 | 武汉华工激光工程有限责任公司 | Laser cutting method for beryllium-copper alloy material of 5G connector |
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