CN111300141B - Method for measuring and processing jewelry arc-shaped surface along shape - Google Patents
Method for measuring and processing jewelry arc-shaped surface along shape Download PDFInfo
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- CN111300141B CN111300141B CN202010228175.3A CN202010228175A CN111300141B CN 111300141 B CN111300141 B CN 111300141B CN 202010228175 A CN202010228175 A CN 202010228175A CN 111300141 B CN111300141 B CN 111300141B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/013—Control or regulation of feed movement
- B23Q15/02—Control or regulation of feed movement according to the instantaneous size and the required size of the workpiece acted upon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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Abstract
The invention discloses a method for controlling the shape following measurement processing of an arc-shaped surface of a jewelry, which comprises the following steps of 1, establishing a model of a standard jewelry blank, and compiling a coordinate program for automatic processing in advance; 2. taking the central point of the jewelry as an original point, controlling a probe of a processing machine tool to automatically perform point-by-point shape following detection around the jewelry blank to obtain the space coordinate position of the external surface of the jewelry blank to be processed; 3. comparing and calculating the detected spatial coordinates of the outer shape surface with the spatial coordinates of the appearance of the standard jewelry blank to obtain machining calibration data, and automatically compensating the machining calibration data into the coordinate parameters of the automatic pre-machining to obtain the actual machining parameters of the numerical control machine; 4. and starting a tool bit of the numerical control machine tool for machining to obtain a standard jewelry blank. Each arc-shaped jewelry can be dynamically measured along with the shape, the compensation deviation is automatically and precisely corrected, the machining precision of the numerical control machine tool is greatly improved, and the machining speed and the economic benefit are improved.
Description
Technical Field
This scheme belongs to the machining field, and concrete jewelry processing application.
Background
Various jewelries such as gold, silver, K gold, platinum, palladium, other metal ornaments and the like are usually processed by matching with a simple electric polishing tool through manual or mechanical processing, for example, the patent name is integrated equipment for manufacturing hollow bracelets, CN201711431380.4, in the traditional manufacturing process of the hollow bracelets, two procedures of processing gold and silver sheets into round tubes and processing the round tubes into ring bodies are processed by mechanical processing, but the operation and processing precision cannot meet the requirement of carving patterns of the bracelets with the thickness of 0.05-0.5 mm, and the size thickness and the fine patterns of thousands of bracelets cannot be ensured to be consistent.
At present, five-axis numerical control machine tools are only used for processing hard metal materials such as stainless steel, cast iron and the like, and are not found to be applied to the field of jewelry processing in a large-scale industrialized, unified and automatic mode. The reason is that the shapes, sizes, textures, inner and outer patterns of different jewelries are different, because each jewelries rough blank has slight thickness difference and size difference, for example, the difference of 0.1-1 mm exists at different parts, and in addition, when the jewelries are assembled on a machine tool clamp for fixing, the jewelries clamping deviation value exists, in addition, the numerical control machine tool with five-axis motion has mechanical deviation values including linear errors, horizontal straightness, vertical straightness, horizontal in-plane deflection angle, vertical in-plane pitch angle and rolling angle deviation rotating around a measuring shaft, the deviation values in multiple aspects are accumulated to often cause that the mechanical processing of jewelry is carried out according to a fixed program, the operation work of a cutter is unstable, 0.05-millimeter carving pattern error is easy to occur, the product rejection rate is high, 4-25% of materials are high in cost, and the quality of jewelry cannot be sold.
Arc face ornament is because the shape is irregular, and the radian is not unified, does not have flat ornament good fixed processing, requires processing decorative pattern, and the angle of polishing is extremely accurate, and traditional digit control machine tool does not have suitable accurate detection mode to and advanced control algorithm that compares, the displacement distance and the angle that the probe of current lathe detected on the market do not all well calculate and control, can't reach 0.01-0.2 millimeter according to the deviation value of every ornament, accurate compensation control cutter operating position, can't realize all kinds of appearance ornament surface machining degree of depth precision. The existing machine tool processing technology can not ensure that the industrial production connection processes thousands of jewelry in one day, and has high quality and extremely low rejection rate.
Disclosure of Invention
In order to overcome the difficulties, the invention provides a method for measuring and processing the arc surface of the jewelry along with the shape, which can accurately measure the radian, dynamically measure the arc surface of each jewelry along with the shape, automatically correct and compensate the deviation, greatly improve the processing precision of a numerical control machine, improve the processing efficiency and reduce the rejection rate.
The invention provides a method for controlling the shape following measurement and processing of an arc-shaped surface of jewelry, which comprises the following steps
Step 1, establishing a model of a standard jewelry blank, pre-storing jewelry material texture, length, width, height, arc size and position parameters to be engraved in a computer of a numerical control machine, and pre-programming a coordinate program for automatic machining of the numerical control machine to be input into the computer of the numerical control machine according to the model of the standard jewelry blank;
step 2, adopting a five-axis numerical control machine tool, taking the central point of the jewelry as an original point, controlling a probe of a processing machine tool to automatically perform point-by-point conformal detection around the jewelry blank, performing short-interval distance multi-frequency point detection along the arc surface at the arc surface to be processed to obtain the spatial coordinate position of the external surface of the jewelry blank to be processed, and feeding the spatial coordinate position back to a computer of the numerical control machine tool;
and 4, starting the tool bit of the numerical control machine tool, and processing the tool bit of the numerical control machine tool along the actual appearance of the jewelry blank all the time according to the actual processing parameters to obtain the standard jewelry blank.
Further, the step 2 further comprises: controlling the interval distance of point-by-point shape-following detection and the frequency of detection dotting by program design; and (3) detecting multiple frequency points along the short interval distance of the arc-shaped surface at the arc-shaped surface to be processed, and constructing a virtual detection arc-shaped surface by adopting an arc scanning conversion algorithm.
Further, the step 2 specifically includes: setting a mode of detecting around the contour line of the ellipse-like shell and the running spatial position of the probe by taking the central point of the jewelry as an original point, and dividing a plurality of dotting coordinates for point-by-point conformal detection; and setting a control program for the operation of the probe, detecting according to the dotting coordinates, recording deviation information of each point, and feeding back the deviation information to the numerical control machine tool.
Further, the step 2 comprises: the central point of the jewelry is used as a three-axis coordinate origin, 360/N dotting coordinates are rapidly and uniformly generated at the normal corresponding position of the surface of the jewelry blank to be processed at intervals of N angles along the horizontal plane of the primary surface, a control probe detects the shape of the jewelry blank to be processed point by point according to the dotting coordinates, the space coordinate position of the external surface of the jewelry blank to be processed is recorded in real time, and the space coordinate position is fed back to a computer of a numerical control machine.
Further, the step 3 also comprises
And acquiring a mechanical deviation value and a jewelry clamping deviation value through the movement detection of the probe, and automatically compensating the mechanical deviation value and the jewelry clamping deviation value into the coordinate parameters of the automatic pre-processing through accumulation calculation to obtain the actual processing parameters of the numerical control machine.
Furthermore, the probe of the numerical control machine tool adopts a mechanical contact type probe or a laser non-contact type probe; the mechanical contact type probe comprises a needle head, an elastic part, a pressure sensor and a data transmission device, wherein the pressure sensor is electrically connected with the data transmission device and sends detection parameters of needle head contact to a controller of the numerical control machine tool through the data transmission device;
the laser non-contact probe comprises a laser emitter, a collector and a data transmission device, wherein the collector is electrically connected with the data transmission device and sends the detection parameters of the collector to a controller of the numerical control machine through the data transmission device.
The clamping equipment for fixing the jewelry adopts an internal support device for clamping, and is also provided with a water spraying gun head.
Furthermore, the numerical control machine calls processing programs of different types of jewelry according to the types, shapes and surface processing requirements of the jewelry, and sets time points and position points for replacing the tool bit.
Compared with the prior art, the invention has the beneficial effects that:
(1) the applicant is a Shenzhen gold jewelry processing tap enterprise, has advanced and original technology to realize industrial environment-friendly production of jewelry, utilizes a unique detection device and a dynamic shape following measurement calculation data mode in the continuous research and development process, combines a numerical control machine tool to realize precision processing of various jewelry, initiates the application of a shape following measurement processing control method in the jewelry processing field, and drives the jewelry processing industry to develop towards intelligent advanced technology.
(2) The processing control method of the circular arc surface of the jewelry adopts a horizontal 360-degree circumference division dotting measurement method, detecting multiple frequency points along the short interval distance of the arc surface at the arc surface to be processed, constructing a virtual detection arc surface by adopting an arc scanning conversion algorithm, the method can increase detection dotting coordinates for the arc-shaped surface up and down, left and right, is favorable for accurately detecting the radian change value, can automatically and precisely correct and compensate the deviation of each jewelry no matter how the shape of the jewelry and how many mechanical deviation values and jewelry clamping deviation values exist, ensures that the processed jewelry meets the standard jewelry, greatly improves the processing precision of the numerical control machine tool, ensures that the processing qualification rate of various jewelry reaches the advanced level of the same line, has the qualification rate of more than 99.8 percent, obviously reduces the rejection rate, saves the material cost of precious metal and jewelry, and brings unexpected technical effects.
(3) The probe with a unique structure and a control algorithm are adopted, the spatial position change at the micron level can be sensed, and the bracelet-type arc-shaped surface and the hanging pad-type arc-shaped surface can accurately control the cutter head to process various carved patterns with the uniform depth of 0.01-0.5 mm on the jewelry. The mass production is realized, the industrial automatic production of the jewelry is ensured by the advanced control technology, the quality rate is high, and the processed standard is uniform.
(4) By adopting the method, the processing speed of the jewelry is greatly improved, and the productivity is improved by at least 3 times compared with the existing processing method.
Drawings
FIG. 1 is a schematic diagram of the steps of the shape following measurement processing control method for the arc-shaped surface of the jewelry.
Fig. 2 is a schematic view of dotting coordinates of circular arc bracelets in the processing embodiment of the invention.
Fig. 3 is a partially enlarged dotting coordinate diagram of a circular arc bracelet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments,
at present, the numerical control machine tool is only used for processing hard metal materials such as stainless steel, cast iron and the like, and is not found to be applied to the mass industrialized uniform automatic production in the jewelry processing field. This is because different ornaments have different shapes, sizes, textures, inner and outer patterns, and because each jewelry blank has a thickness difference and a size difference of a fine millimeter level. Therefore, the existing jewelry processing usually depends on manual processing and is matched with a simple electric grinding tool, and the jewelry has a non-bright appearance effect and non-dense and beautiful patterns.
The invention improves the processing technology, and provides the application of the jewelry arc surface shape following measurement processing control method in the jewelry processing field through thousands of development tests, thereby bringing about industrial revolution, realizing large-scale mass production, ensuring that industrial production continuously processes thousands of jewelry one day, and greatly leading the excellent rate to the level of the same party.
Referring to fig. 1, the invention provides a jewelry arc surface conformal measurement processing control method, which comprises the steps of 1, establishing a model of a standard jewelry blank, pre-storing jewelry material texture, length, width, height, size of an arc and position parameters to be engraved in a computer of a numerical control machine, and pre-programming a coordinate program for automatic processing of the numerical control machine to be input into the computer of the numerical control machine according to the model of the standard jewelry blank. The programming software generally uses 3D programming software such as engraving, Mastercam, UG and the like.
If the soft gold bracelet is processed, the probe and the cutter can be adjusted to move slowly, and the pressure sensing sensitivity of the probe can be adjusted more sensitively. For the stainless steel bracelet, the moving speed of the probe and the cutter can be adjusted quickly, and the pressure sensing sensitivity of the probe is reduced, so that the machining speed of a machine tool is improved.
And 2, adopting a five-axis numerical control machine tool, taking the central point of the jewelry as an original point, controlling a probe of a processing machine tool to automatically perform point-by-point conformal detection around the jewelry blank, performing short-interval multi-frequency point detection along the arc surface at the arc surface to be processed to obtain the spatial coordinate position of the external surface of the jewelry blank to be processed, and feeding the spatial coordinate position back to a computer of the numerical control machine tool.
The system for processing the jewelry by shape following measurement uniformly divides a plurality of dotting coordinates into point-by-point shape following detection according to the jewelry type, the detection mode and the space position of the probe operation; and setting a control program for the operation of the probe, detecting according to the dotting coordinates, recording deviation information of each point, and feeding back the deviation information to the numerical control machine tool.
The mechanical contact type probe comprises a needle head, an elastic part, a pressure sensor, a data transmission device and a battery which are sequentially connected, wherein the pressure sensor is electrically connected with the data transmission device and the battery, and a spherical ruby is arranged at the end part of the needle head, so that when the mechanical contact type probe is in contact with the surface of jewelry, the jewelry is not easily scratched, enough strength can be maintained, and the mechanical contact type probe can be touched and detected for tens of thousands of times. During measurement, the needle head is controlled to slowly send the detection parameters of the needle head contact to a computer of the numerical control machine tool through the data transmission device according to the planned dotting coordinates. The data transmission device can adopt a Bluetooth device or a wireless network sending device or is directly connected to a computer of the numerical control machine tool through a data line.
As another embodiment, the mechanical contact probe includes a needle, an elastic component disposed in the housing, a pressure sensor, a continuous pressure trace recording circuit module, a data transmission device, and a battery, the needle is connected to the pressure sensor through the elastic component, the pressure sensor is electrically connected to the continuous pressure trace recording circuit module, the data transmission device, and the battery, and the detection parameters of the needle contact are transmitted to the numerical control machine through the data transmission device. The continuous pressure track recording circuit module can feel the space coordinate position of the moving track under the continuous contact pressure of the needle head along the arc surface, further sends the radian change of the arc surface obtained by calculation of a controller arranged for a numerical control machine tool, and automatically and accurately detects the arc surface variable quantity. In order to further improve the signal sensitivity, the data transmission device comprises a signal filtering and amplifying circuit module which is electrically connected.
The laser non-contact probe comprises a laser emitter, a collector and a data transmission device, wherein the collector is electrically connected with the data transmission device and sends the detection parameters of the collector to a computer of the numerical control machine through the data transmission device.
As shown in fig. 2, for an oval jewelry, such as a bracelet, a central point of a three-dimensional oval jewelry 1 is taken as a three-axis coordinate origin, radioactive lines 2 are divided at normal corresponding positions of the end surface or the outer side surface of a round jewelry blank to be processed at intervals of N angles along the horizontal plane of a head facing, 360/N dotting coordinates 3 are rapidly and uniformly generated, a probe is controlled to perform point-by-point shape-following detection according to the dotting coordinates, the spatial coordinate position of the outer side surface of the round jewelry blank to be processed is recorded in real time, and the spatial coordinate position is fed back to a computer of a numerical control machine. For example, if patterns need to be carved on the outer side surface and the upper surface of the oval bracelet, the number N is 360, so that the probe is contacted and measured once every 1 degree, and the subsequent carved patterns are uniform in depth of 0.01-0.5 mm and are very exquisite and smooth. If N is 36, the probe is contacted every 10 degrees for measurement, and the probing and engraving process is faster. The dotting coordinates can be set according to the actual processing jewelry types, the number of patterns, the carving speed and other factors.
As shown in figure 3, the detection dotting interval distance can be increased at the position which does not need to be processed by the oval jewelry 1, the dotting coordinate 3 is detected along the short interval distance and the multiple frequencies of the arc-shaped surface at the position of the arc-shaped surface of the jewelry which needs to be processed, the virtual detection arc-shaped surface is constructed by adopting the arc raster scanning conversion algorithm, so that the detection dotting coordinate can be increased for the arc-shaped surface from top to bottom and from left to right, and the radian change value can be favorably and accurately detected.
As another improved measurement and calculation mode, a continuous pressure track recording circuit module is arranged in the mechanical contact type probe, the mechanical contact type probe can sense the space coordinate position of a moving track under the continuous contact pressure of the needle head along the arc surface, the spatial coordinate position is further sent to a controller arranged on a numerical control machine to calculate the radian change of the arc surface, the arc surface variation is automatically and accurately detected, and the radian change is fed back to a computer of the numerical control machine.
And 3, comparing and calculating the spatial coordinates of the external shape surface of the detected jewelry blank to be processed with the spatial coordinates of the external shape of the standard jewelry blank to obtain processing calibration data, and automatically compensating the calibration data, namely the comparison difference value into the coordinate parameters of the automatic pre-processing to obtain the actual processing parameters of the numerical control machine.
And as an improvement mode for further improving the precision, acquiring a mechanical deviation value and a jewelry clamping deviation value through the movement detection of a probe, and automatically compensating the mechanical deviation value and the jewelry clamping deviation value into the coordinate parameters of the automatic pre-processing through accumulation calculation to obtain the actual processing parameters of the numerical control machine.
And 4, starting the tool bit of the numerical control machine tool, and processing the tool bit of the numerical control machine tool along the actual appearance of the jewelry blank all the time according to the actual processing parameters to obtain the standard jewelry blank.
The numerical control machine calls processing programs of different types of jewelry according to the types, shapes and surface processing requirements of the jewelry, and sets time points and position points for replacing tool bits. Therefore, the numerical control machine can process jewelry in different shapes, the applicability is provided, and the equipment cost is saved. The industrial production continuously processes thousands of jewelry in one day, has high quality rate, uniform processed standard, more than 99.8 percent of qualified rate, obviously reduced rejection rate and saved material cost of precious metals and jewelry.
The test data were compared by five hundred passes as follows:
for the processing of the arc-surface jewelry, a five-axis numerical control machine tool is adopted, and a clamping jig for fixing the jewelry is a special clamp convenient for fixing the oval jewelry to carry out surface processing. The clamping equipment for fixing the oval jewelry adopts an internal support device for clamping, and is also provided with a water spraying gun head. The internal supporting device can ensure that the fixed jewelry stably does not generate a wire displacement, does not clamp the damaged jewelry and does not shield the running space of the cutter, thereby greatly enlarging the automatic processing carved surface without carving and polishing dead angles.
Because of adopting the probe with a unique structure and a control algorithm, the device can sense the spatial position change at the micron level, and can accurately control the cutter head to process various patterns carved on the jewelry with the uniform depth of 0.01-0.5 mm. The automation degree is high, large-scale mass production is realized, the quality rate is high, and the processed standard is uniform. The method saves the material cost of precious metals and jewels and brings unexpected technical effects.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and these changes and improvements are intended to be within the scope of the invention.
Claims (7)
1. A method for controlling the shape following measurement and processing of an arc-shaped surface of a jewelry is characterized by comprising the following steps: comprises that
Step 1, establishing a model of a standard jewelry blank, pre-storing jewelry material texture, length, width, height, arc size and position parameters to be engraved in a computer of a numerical control machine, and pre-programming a coordinate program for automatic machining of the numerical control machine to be input into the computer of the numerical control machine according to the model of the standard jewelry blank;
step 2, adopting a five-axis numerical control machine tool, taking the central point of the jewelry as an original point, controlling a probe of a processing machine tool to automatically perform point-by-point conformal detection around the jewelry blank, performing short-interval distance multi-frequency point detection along the arc surface at the arc surface to be processed to obtain the spatial coordinate position of the external surface of the jewelry blank to be processed, and feeding the spatial coordinate position back to a computer of the numerical control machine tool;
taking the central point of the jewelry as a three-axis coordinate origin, rapidly and uniformly generating 360/N dotting coordinates at normal corresponding positions of a surface of a jewelry blank to be processed at intervals of N angles along the horizontal plane of the primary surface, controlling a probe to perform point-by-point conformal detection according to the dotting coordinates, recording the spatial coordinate position of the external surface of the jewelry blank to be processed in real time, and feeding back the spatial coordinate position to a computer of a numerical control machine;
step 3, comparing and calculating the spatial coordinates of the external shape surface of the detected jewelry blank to be processed with the spatial coordinates of the external shape of the standard jewelry blank to obtain processing calibration data, and automatically compensating the calibration data into the coordinate parameters of the automatic pre-processing to obtain the actual processing parameters of the numerical control machine;
and 4, starting the tool bit of the numerical control machine tool, and processing the tool bit of the numerical control machine tool along the actual appearance of the jewelry blank all the time according to the actual processing parameters to obtain the standard jewelry blank.
2. The shape following measurement processing control method for the arc-shaped surface of the jewelry as claimed in claim 1, which is characterized in that: the step 2 further comprises:
controlling the interval distance of point-by-point shape-following detection and the frequency of detection dotting by program design; and (3) detecting multiple frequency points along the short interval distance of the arc-shaped surface at the arc-shaped surface to be processed, and constructing a virtual detection arc-shaped surface by adopting an arc scanning conversion algorithm.
3. The shape following measurement processing control method for the arc-shaped surface of the jewelry as claimed in claim 1, which is characterized in that: the step 2 specifically comprises:
setting a detection mode around the outline of the jewelry shell and the running spatial position of a probe by taking the central point of the jewelry as an original point, and dividing a plurality of dotting coordinates for point-by-point conformal detection;
and setting a control program for the operation of the probe, detecting according to the dotting coordinates, recording deviation information of each point, and feeding back the deviation information to the numerical control machine tool.
4. The shape following measurement processing control method for the arc-shaped surface of the jewelry as claimed in any one of claims 1 to 3, wherein: the step 3 also comprises
And acquiring a mechanical deviation value and a jewelry clamping deviation value through the movement detection of the probe, and automatically compensating the mechanical deviation value and the jewelry clamping deviation value into the coordinate parameters of the automatic pre-processing through accumulation calculation to obtain the actual processing parameters of the numerical control machine.
5. The shape following measurement processing control method for the arc-shaped surface of the jewelry as claimed in any one of claims 1 to 3, wherein: the probe of the numerical control machine tool adopts a mechanical contact type probe or a laser non-contact type probe;
the mechanical contact type probe comprises a needle head, an elastic part, a pressure sensor, a data transmission device and a battery, wherein the pressure sensor is electrically connected with the data transmission device and the battery, and sends detection parameters of needle head contact to a controller of the numerical control machine tool through the data transmission device;
the laser non-contact probe comprises a laser emitter, a collector and a data transmission device, wherein the collector is electrically connected with the data transmission device and sends the detection parameters of the collector to a controller of the numerical control machine through the data transmission device.
6. The shape following measurement processing control method for the arc-shaped surface of the jewelry as claimed in any one of claims 1 to 3, wherein: the clamping equipment for fixing the jewelry adopts an internal supporting device for clamping.
7. The shape following measurement processing control method for the arc-shaped surface of the jewelry as claimed in any one of claims 1 to 3, wherein:
the numerical control machine calls processing programs of different types of jewelry according to the types, shapes and surface processing requirements of the jewelry, and sets time points and position points for replacing tool bits.
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| CN108762195A (en) * | 2018-07-19 | 2018-11-06 | 沈阳工程学院 | A kind of path generating method of curved surface dynamic compensation engraving |
| CN109507950A (en) * | 2018-11-09 | 2019-03-22 | 上海维宏电子科技股份有限公司 | Device, method and its system of plane positioning machining control are realized based on probe |
| CN109916299A (en) * | 2019-03-11 | 2019-06-21 | 东莞市凯融光学科技有限公司 | A kind of method of contact type measurement free form surface infrastructure product bias |
| CN110480075A (en) * | 2019-08-26 | 2019-11-22 | 上海拓璞数控科技股份有限公司 | Curve surface of workpiece outline compensation system and method and medium based on point cloud data |
| CN110561121A (en) * | 2019-09-26 | 2019-12-13 | 珠海市瑞德盛数控科技有限公司 | five turnning and milling integrative processing centers of gold ornament |
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