CN116749084A - A water jet and water jet cutting error compensation method - Google Patents
A water jet and water jet cutting error compensation method Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
- B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30164—Workpiece; Machine component
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
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Abstract
本发明公开了一种水刀及水刀切割误差补偿方法，通过相机对切割工件进行拍照的方式，能够自动计算切割工件的实际尺寸，将实际尺寸与设定尺寸比对即可自动计算水刀刀头的半径补偿参数，而不需要人工测量调整，具有省时省力，简单高效的优势。本发明水刀切割误差补偿方法，用于上述的水刀中，首先控制水刀刀头按设定方案对工件进行切割，得到切割工件；接着控制相机对所述切割工件进行拍照，得到照片信息；然后对所述照片信息进行图像处理，得到所述切割工件的尺寸数据；接着将所述尺寸数据与所述设定方案对应的尺寸数据比对，得到补偿数据；然后根据所述补偿数据计算得到水刀补偿数据；最后根据所述水刀补偿数据调整所述水刀刀头的行走轨迹。
The invention discloses a water jet and a water jet cutting error compensation method. By taking pictures of the cutting workpiece with a camera, the actual size of the cutting workpiece can be automatically calculated. The actual size of the cutting workpiece can be automatically calculated by comparing the actual size with the set size. The radius compensation parameters of the tool head do not require manual measurement and adjustment, which has the advantages of saving time, effort, simplicity and efficiency. The water jet cutting error compensation method of the present invention is used in the above-mentioned water jet. First, the water jet head is controlled to cut the workpiece according to the set plan to obtain the cut workpiece; then the camera is controlled to take pictures of the cut workpiece to obtain photo information. ; Then perform image processing on the photo information to obtain the size data of the cutting workpiece; then compare the size data with the size data corresponding to the setting plan to obtain compensation data; and then calculate based on the compensation data The water jet compensation data is obtained; finally, the walking trajectory of the water jet head is adjusted according to the water jet compensation data.
Description
技术领域Technical field
本发明涉及水刀领域，尤其涉及一种水刀及水刀切割误差补偿方法。The invention relates to the field of water jets, and in particular to a water jet and a water jet cutting error compensation method.
背景技术Background technique
水刀，即以水为刀，本名高压水射流切割技术。以其冷切割不会改变材料的物理化学性质而备受青睐。后经技术不断改进，在高压水中混入石榴砂、金刚砂等磨料辅助切割，极大的提高了水刀的切割速度和切割厚度。水刀已经广泛应用于陶瓷、石材、玻璃、金属、复合材料等众多行业。Water jet, which uses water as a knife, is originally called high-pressure water jet cutting technology. It is favored because cold cutting does not change the physical and chemical properties of the material. After continuous improvement of technology, abrasives such as garnet sand and emery were mixed into high-pressure water to assist cutting, which greatly improved the cutting speed and cutting thickness of the water jet. Water jets have been widely used in ceramics, stone, glass, metal, composite materials and many other industries.
水刀的工作原理是超高压水(约300MPa)通过一个内孔孔径为0.33mm的宝石，产生超高速的水射流，并在钨钢材质的混砂管中混入磨料(例如石榴砂)，高压高速的水柱(直径约1mm)带着磨料对工件进行切割。由于宝石和混砂管均会在使用的过程中磨损变大，所以水柱的直径也会逐渐变大，这样就会导致切割出来的工件的尺寸不准确。传统的做法是：每隔一段时间就试切一个工件，用卡尺测量其尺寸，并根据尺寸修改图形(以切割轮廓为例：切割的尺寸一般都是变小了，需要将切割图形加大)然后再重新切割；这种传统做法不仅耗时耗力，而且如果操作人员不够熟练还会存在误差的出现。The working principle of the water jet is that ultra-high-pressure water (about 300MPa) passes through a gemstone with an inner hole diameter of 0.33mm, producing an ultra-high-speed water jet, and mixes abrasives (such as garnet sand) into a tungsten steel sand mixing tube. The high-speed water column (about 1mm in diameter) carries the abrasive to cut the workpiece. Since both the gemstone and the sand mixing tube will wear out during use, the diameter of the water column will also gradually increase, which will lead to inaccurate dimensions of the cut workpiece. The traditional method is: test-cut a workpiece every once in a while, measure its size with a caliper, and modify the pattern according to the size (take the cutting outline as an example: the cutting size generally becomes smaller, and the cutting pattern needs to be enlarged) Then cut again; this traditional method is not only time-consuming and labor-intensive, but also may lead to errors if the operator is not skilled enough.
因此，针对上述情况，如何改进现有水刀的结构，从而解决上述问题，成为本领域技术人员亟待解决的重要技术问题。Therefore, in view of the above situation, how to improve the structure of the existing water jet to solve the above problems has become an important technical problem that those skilled in the art need to solve urgently.
发明内容Contents of the invention
本发明公开了一种水刀及水刀切割误差补偿方法，通过相机对切割工件进行拍照的方式，能够自动计算切割工件的实际尺寸，将实际尺寸与设定尺寸比对即可自动计算水刀刀头的半径补偿参数，而不需要人工测量调整，具有省时省力，简单高效的优势。The invention discloses a water jet and a water jet cutting error compensation method. By taking pictures of the cutting workpiece with a camera, the actual size of the cutting workpiece can be automatically calculated. By comparing the actual size with the set size, the water jet can automatically calculate the water jet cutting error. The radius compensation parameters of the tool head do not require manual measurement and adjustment, which has the advantages of saving time, effort, simplicity and efficiency.
本发明提供的水刀，包括水刀刀头，还包括相机；The water jet provided by the invention includes a water jet head and a camera;
所述相机用于对水刀刀头的切割的工件进行拍照。The camera is used to take pictures of the workpiece cut by the water jet head.
优选的，Preferably,
还包括灯源，所述灯源用于照亮所述相机的拍照范围。It also includes a light source, which is used to illuminate the photographing range of the camera.
优选的，Preferably,
所述灯源为环形灯，所述相机设置在所述环形灯的中心上方。The light source is a ring light, and the camera is arranged above the center of the ring light.
优选的，Preferably,
所述水刀刀头安装在所述水刀的升降梁上，所述相机通过相机安装座安装在所述升降梁上。The water jet head is installed on the lifting beam of the water jet, and the camera is installed on the lifting beam through a camera mounting base.
优选的，Preferably,
所述相机安装座内部中空，所述相机安装在所述相机安装座内，所述相机安装座设置在所述环形灯的中心线上。The camera mounting base is hollow inside, the camera is installed in the camera mounting base, and the camera mounting base is arranged on the center line of the ring light.
优选的，Preferably,
所述水刀刀头安装在所述水刀的升降梁上，所述相机固定安装在所述水刀上，且所述水刀刀头能相对所述相机移动。The water jet head is installed on the lifting beam of the water jet, the camera is fixedly installed on the water jet, and the water jet head can move relative to the camera.
本发明还公开了一种水刀切割误差补偿方法，用于上述的水刀中，包括：The invention also discloses a water jet cutting error compensation method, which is used in the above water jet, including:
S1、控制水刀刀头按设定方案对工件进行切割，得到切割工件；S1. Control the water jet head to cut the workpiece according to the set plan to obtain the cut workpiece;
S2、控制相机对所述切割工件进行拍照，得到照片信息；S2. Control the camera to take photos of the cutting workpiece to obtain photo information;
S3、对所述照片信息进行图像处理，得到所述切割工件的尺寸数据；S3. Perform image processing on the photo information to obtain the size data of the cutting workpiece;
S4、将所述尺寸数据与所述设定方案对应的尺寸数据比对，得到补偿数据；S4. Compare the size data with the size data corresponding to the setting scheme to obtain compensation data;
S5、根据所述补偿数据计算得到水刀补偿数据；S5. Calculate the water jet compensation data according to the compensation data;
S6、根据所述水刀补偿数据调整所述水刀刀头的行走轨迹。S6. Adjust the walking trajectory of the water jet head according to the water jet compensation data.
优选的，Preferably,
控制所述相机至所述切割工件正上方，并对所述切割工件进行拍照。Control the camera directly above the cutting workpiece and take photos of the cutting workpiece.
优选的，Preferably,
所述设定方案为将工件切割为设定尺寸的圆。The setting solution is to cut the workpiece into a circle of a set size.
本发明的水刀切割误差补偿方法，用于上述的水刀中，首先控制水刀刀头按设定方案对工件进行切割，得到切割工件；接着控制相机对所述切割工件进行拍照，得到照片信息；然后对所述照片信息进行图像处理，得到所述切割工件的尺寸数据；接着将所述尺寸数据与所述设定方案对应的尺寸数据比对，得到补偿数据；然后根据所述补偿数据计算得到水刀补偿数据；最后根据所述水刀补偿数据调整所述水刀刀头的行走轨迹。通过相机对切割工件进行拍照的方式，本发明公开的水刀及水刀切割误差补偿方法，能够自动计算切割工件的实际尺寸，将实际尺寸与设定尺寸比对即可自动计算水刀刀头的半径补偿参数，而不需要人工测量调整，具有省时省力，简单高效的优势。The water jet cutting error compensation method of the present invention is used in the above-mentioned water jet. First, the water jet head is controlled to cut the workpiece according to the set plan to obtain the cut workpiece; then the camera is controlled to take pictures of the cut workpiece to obtain the photo. information; then image processing is performed on the photo information to obtain the size data of the cutting workpiece; then the size data is compared with the size data corresponding to the setting plan to obtain compensation data; and then the compensation data is obtained according to the compensation data The water jet compensation data is calculated; finally, the walking trajectory of the water jet head is adjusted according to the water jet compensation data. By taking pictures of the cutting workpiece with a camera, the water jet and the water jet cutting error compensation method disclosed in the present invention can automatically calculate the actual size of the cutting workpiece, and the water jet head can be automatically calculated by comparing the actual size with the set size. The radius compensation parameters do not require manual measurement and adjustment, which has the advantages of saving time, effort, simplicity and efficiency.
附图说明Description of the drawings
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.
图1为本发明水刀实施例的结构示意图；Figure 1 is a schematic structural diagram of an embodiment of the waterjet of the present invention;
图2为本发明水刀实施例中A部分的局部放大图；Figure 2 is a partial enlarged view of part A in the waterjet embodiment of the present invention;
图3为本发明水刀切割误差补偿方法实施例的流程图。Figure 3 is a flow chart of an embodiment of the waterjet cutting error compensation method of the present invention.
具体实施方式Detailed ways
本发明公开了一种水刀及水刀切割误差补偿方法，通过相机对切割工件进行拍照的方式，能够自动计算切割工件的实际尺寸，将实际尺寸与设定尺寸比对即可自动计算水刀刀头的半径补偿参数，而不需要人工测量调整，具有省时省力，简单高效的优势。The invention discloses a water jet and a water jet cutting error compensation method. By taking pictures of the cutting workpiece with a camera, the actual size of the cutting workpiece can be automatically calculated. By comparing the actual size with the set size, the water jet can automatically calculate the water jet cutting error. The radius compensation parameters of the tool head do not require manual measurement and adjustment, which has the advantages of saving time, effort, simplicity and efficiency.
下面结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚和详细的描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。请参阅图1及图2，为本发明的水刀，包括水刀刀头1，还包括相机2；The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention. Please refer to Figures 1 and 2, which show the waterjet of the present invention, including a waterjet head 1 and a camera 2;
所述相机2用于对水刀刀头1的切割的工件001进行拍照。The camera 2 is used to take pictures of the workpiece 001 cut by the water jet head 1 .
在本发明实施例中，水刀刀头1按照软件设定先对工件001进行切割，例如可以在工件001上切割一个直径为100mm的圆，通过相机2对切割出来的圆进行拍照，对照片进行图像处理就可以获知这个圆的实际尺寸。假设水刀刀头1并没有发生磨损，那么相机2得到的圆的直径为100mm，此时不需要进行补偿；若水刀刀头1发生磨损，相机2得到的圆的直径假设为99mm，那么软件自动在水刀刀头1的刀具半径补偿参数上设定1mm补偿即可，这样补偿后切割出来的圆的尺寸就是100mm了。本发明通过相机2可以实现水刀的刀具半径补偿，能够解决现有技术存在的问题。In the embodiment of the present invention, the water jet head 1 first cuts the workpiece 001 according to the software settings. For example, a circle with a diameter of 100 mm can be cut on the workpiece 001, and the cut circle is photographed through the camera 2, and the photo is taken. Image processing can be used to determine the actual size of the circle. Assuming that the water jet head 1 is not worn, then the diameter of the circle obtained by camera 2 is 100mm, and no compensation is needed at this time; if the water jet head 1 is worn, the diameter of the circle obtained by camera 2 is assumed to be 99mm, then the software Automatically set 1mm compensation on the cutter radius compensation parameter of water jet head 1, so that the size of the circle cut after compensation will be 100mm. The present invention can realize the tool radius compensation of the water jet through the camera 2, and can solve the problems existing in the existing technology.
优选的，Preferably,
还包括灯源3，所述灯源3用于照亮所述相机2的拍照范围。It also includes a light source 3, which is used to illuminate the photographing range of the camera 2.
为了提高拍摄精度，可以增设灯源3，上述的灯源3具体可以为LED灯源。In order to improve the shooting accuracy, a light source 3 can be added, and the above-mentioned light source 3 can specifically be an LED light source.
优选的，Preferably,
所述灯源为环形灯，所述相机2设置在所述环形灯的中心上方。The light source is a ring light, and the camera 2 is arranged above the center of the ring light.
通过环形灯，并将相机2设置在环形灯的中心上方，能够更好地为相机2进行补光。By using a ring light and setting the camera 2 above the center of the ring light, the camera 2 can be better filled with light.
优选的，Preferably,
所述水刀刀头1安装在所述水刀的升降梁上，所述相机2通过相机安装座4安装在所述升降梁上。The water jet head 1 is installed on the lifting beam of the water jet, and the camera 2 is installed on the lifting beam through a camera mounting base 4 .
优选的，Preferably,
所述相机安装座内部中空，所述相机2安装在所述相机安装座内，所述相机安装座设置在所述环形灯的中心线上。The camera mounting base is hollow inside, the camera 2 is installed in the camera mounting base, and the camera mounting base is arranged on the center line of the ring light.
优选的，Preferably,
所述水刀刀头安装在所述水刀的升降梁上，所述相机固定安装在所述水刀上，且所述水刀刀头能相对所述相机移动。The water jet head is installed on the lifting beam of the water jet, the camera is fixedly installed on the water jet, and the water jet head can move relative to the camera.
需要说明的是，相机2的设置，既可以采用相机2与水刀刀头1设置在同一梁体，亦即相机2与水刀刀头1能够同步移动的方式，也可以采用相机2固定在水刀上的某个位置，水刀刀头1能够自由移动的方式，其中相机2与水刀刀头1设置在同一梁体为较优技术方案，在此处不做限定。It should be noted that the camera 2 can be set up either by setting the camera 2 and the water jet head 1 on the same beam body, that is, the camera 2 and the water jet head 1 can move synchronously, or the camera 2 can be fixed on the At a certain position on the water jet, the water jet head 1 can move freely. It is a better technical solution to set the camera 2 and the water jet head 1 on the same beam body, which is not limited here.
本发明的水刀，包括水刀刀头1，还包括相机2；所述相机2用于对水刀刀头1的切割的工件001进行拍照。通过相机2对切割工件进行拍照的方式，本发明公开的水刀能够自动计算切割工件的实际尺寸，将实际尺寸与设定尺寸比对即可自动计算水刀刀头的半径补偿参数，而不需要人工测量调整，具有省时省力，简单高效的优势。The water jet of the present invention includes a water jet cutter head 1 and a camera 2; the camera 2 is used to take pictures of the workpiece 001 cut by the water jet cutter head 1. By taking pictures of the cutting workpiece with the camera 2, the waterjet disclosed in the present invention can automatically calculate the actual size of the cutting workpiece. By comparing the actual size with the set size, the radius compensation parameter of the waterjet head can be automatically calculated without It requires manual measurement and adjustment, which has the advantages of saving time and effort, being simple and efficient.
上面介绍了本发明水刀实施例，下面介绍本发明水刀切割误差补偿方法实施例，请参阅图3，本发明水刀的的补偿方法，用于上述的水刀中，包括：The embodiments of the water jet of the present invention are introduced above. The following describes the embodiments of the water jet cutting error compensation method of the present invention. Please refer to Figure 3. The compensation method of the water jet of the present invention, used in the above water jet, includes:
S1、控制水刀刀头按设定方案对工件进行切割，得到切割工件；S1. Control the water jet head to cut the workpiece according to the set plan to obtain the cut workpiece;
在对水刀刀头进行补偿之前，首先可以在软件系统输入设定方案，例如在工件001上切割一个直径为100mm的圆，在需要对水刀刀头进行补偿操作时，直接按照设定方案执行即可，此时水刀刀头在控制下对工件进行切割，此时得到的切割工件的尺寸未知，因为不知道水刀刀头的磨损情况。Before compensating the water jet cutter head, you can first enter the setting plan in the software system. For example, cut a circle with a diameter of 100mm on workpiece 001. When you need to compensate the water jet cutter head, directly follow the setting plan. Just execute. At this time, the water jet cutter head cuts the workpiece under control. The size of the cut workpiece obtained at this time is unknown because the wear condition of the water jet cutter head is unknown.
需要说明的是，水刀刀头补偿可以设定自动化按时补偿，例如每个星期执行一次补偿操作，具体的每周一上午九点执行水刀到头补偿操作。It should be noted that the water jet head compensation can be set to automatically compensate on time. For example, the compensation operation is performed once a week. Specifically, the water jet end compensation operation is performed at 9 a.m. every Monday.
S2、控制相机对所述切割工件进行拍照，得到照片信息；S2. Control the camera to take photos of the cutting workpiece to obtain photo information;
得到切割工件后，控制相机对其进行拍照，得到照片信息。After obtaining the cutting workpiece, control the camera to take a picture of it and obtain the photo information.
S3、对所述照片信息进行图像处理，得到所述切割工件的尺寸数据；S3. Perform image processing on the photo information to obtain the size data of the cutting workpiece;
通过对照片信息进行图像处理，可以得到切割工件的尺寸数据，亦即实际尺寸。By performing image processing on the photo information, the size data of the cutting workpiece, that is, the actual size, can be obtained.
S4、将所述尺寸数据与所述设定方案对应的尺寸数据比对，得到补偿数据；S4. Compare the size data with the size data corresponding to the setting scheme to obtain compensation data;
将尺寸数据与所述设定方案对应的尺寸数据比对，得到补偿数据，具体的，得到的尺寸数据为99mm，而设定方案中的尺寸为100mm，可知补偿数据为1mm，因为切割工件的实际尺寸比设定尺寸小了，因此需要在刀具半径上补偿1mm。Compare the size data with the size data corresponding to the setting plan to obtain the compensation data. Specifically, the obtained size data is 99mm, while the size in the setting plan is 100mm. It can be seen that the compensation data is 1mm, because the cutting workpiece is The actual size is smaller than the set size, so 1mm needs to be compensated for the tool radius.
S5、根据所述补偿数据计算得到水刀补偿数据；S5. Calculate the water jet compensation data according to the compensation data;
还是以在工件001上切割一个直径为100mm的圆为例，补偿数据为1mm，那么水刀补偿数据则为刀具半径上补偿1mm。Still taking the example of cutting a circle with a diameter of 100mm on workpiece 001, the compensation data is 1mm, then the waterjet compensation data is 1mm compensation on the tool radius.
S6、根据所述水刀补偿数据调整所述水刀刀头的行走轨迹。S6. Adjust the walking trajectory of the water jet head according to the water jet compensation data.
最后根据水刀补偿数据调整水刀刀头即可，此时切割出来的切割工件的尺寸即为设计尺寸。Finally, adjust the water jet head according to the water jet compensation data. At this time, the size of the cut workpiece is the design size.
优选的，Preferably,
控制所述相机至所述切割工件正上方，并对所述切割工件进行拍照。Control the camera directly above the cutting workpiece and take photos of the cutting workpiece.
需要说明的是，相机在切割工件正上方进行拍照，能够得到更为准确且容易处理的照片数据。It should be noted that the camera takes pictures directly above the cutting workpiece, which can obtain more accurate and easy-to-process photo data.
优选的，Preferably,
所述设定方案为将工件切割为设定尺寸的圆。The setting solution is to cut the workpiece into a circle of a set size.
本发明的水刀切割误差补偿方法，用于上述的水刀中，首先控制水刀刀头按设定方案对工件进行切割，得到切割工件；接着控制相机对所述切割工件进行拍照，得到照片信息；然后对所述照片信息进行图像处理，得到所述切割工件的尺寸数据；接着将所述尺寸数据与所述设定方案对应的尺寸数据比对，得到补偿数据；然后根据所述补偿数据计算得到水刀补偿数据；最后根据所述水刀补偿数据调整所述水刀刀头的行走轨迹。通过相机对切割工件进行拍照的方式，本发明公开的水刀切割误差补偿方法，能够自动计算切割工件的实际尺寸，将实际尺寸与设定尺寸比对即可自动计算水刀刀头的半径补偿参数，而不需要人工测量调整，具有省时省力，简单高效的优势。The water jet cutting error compensation method of the present invention is used in the above-mentioned water jet. First, the water jet head is controlled to cut the workpiece according to the set plan to obtain the cut workpiece; then the camera is controlled to take pictures of the cut workpiece to obtain the photo. information; then image processing is performed on the photo information to obtain the size data of the cutting workpiece; then the size data is compared with the size data corresponding to the setting plan to obtain compensation data; and then the compensation data is obtained according to the compensation data The water jet compensation data is calculated; finally, the walking trajectory of the water jet head is adjusted according to the water jet compensation data. By taking pictures of the cutting workpiece with a camera, the waterjet cutting error compensation method disclosed in the present invention can automatically calculate the actual size of the cutting workpiece, and the radius compensation of the waterjet head can be automatically calculated by comparing the actual size with the set size. Parameters without manual measurement and adjustment, it has the advantages of saving time, effort, simplicity and efficiency.
以上对本发明所提供的水刀及水刀切割误差补偿方法进行了详细介绍，对于本领域的一般技术人员，依据本发明实施例的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。The water jet and water jet cutting error compensation method provided by the present invention have been introduced in detail above. For those of ordinary skill in the art, there will be changes in the specific implementation and application scope based on the ideas of the embodiments of the present invention. , In summary, the contents of this description should not be understood as limitations of the present invention.
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