CN112526925A - Profile finish machining method based on three-dimensional cam profile materialized model deviation compensation - Google Patents
Profile finish machining method based on three-dimensional cam profile materialized model deviation compensation Download PDFInfo
- Publication number
- CN112526925A CN112526925A CN202011280693.6A CN202011280693A CN112526925A CN 112526925 A CN112526925 A CN 112526925A CN 202011280693 A CN202011280693 A CN 202011280693A CN 112526925 A CN112526925 A CN 112526925A
- Authority
- CN
- China
- Prior art keywords
- cam profile
- dimensional cam
- point
- model
- detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/404—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37193—Multicoordinate measuring system, machine, cmm
Abstract
The invention belongs to the technical field of part finish machining, and relates to a profile finish machining method based on three-dimensional cam profile materialized model deviation compensation, which comprises the following steps of 1) machining a sample piece according to a three-dimensional cam profile materialized model; 2) detecting radius deviation values delta r of a plurality of original qualified detection points and corresponding processing point poles on a processing sample piece; 3) converting the delta r into vector components, and converting to obtain a plurality of new point positions; 4) reconstructing a digital model of the three-dimensional cam molded surface according to the plurality of new point positions and the plurality of original qualified detection point positions; 5) carrying out numerical control programming processing on the digital model to obtain a new processing sample piece; 6) and detecting that the detection results of the plurality of original qualified detection point positions and the corresponding new processing points are consistent on the newly processed sample piece. The invention can quickly and accurately compensate and modify the digital model and the numerical control program of the three-dimensional cam profile according to the measurement and detection result, namely the polar radius deviation value of the three-dimensional cam profile, and has low cost and stable product quality.
Description
Technical Field
The invention belongs to the technical field of part finish machining, relates to a finish machining method for a three-dimensional cam profile, and particularly relates to a profile finish machining method based on three-dimensional cam profile materialized model deviation compensation.
Background
A general three-dimensional cam profile finish machining method is characterized in that a machining program is compiled through three-dimensional mechanical digital programming software according to a digital model of the machining program, and then a five-axis numerical control machining center device is utilized to select reasonable allowance and cutting parameters to machine the profile of the machining program. And judging whether the cam profile is qualified or not according to the measurement detection result, namely the polar radius deviation value of the three-dimensional cam profile. And if the machining conclusion is qualified, the subsequent process can be switched, if the machining conclusion is unqualified, the machining procedure cannot be compensated and adjusted according to the polar radius deviation result, the quality of the cam profile after finish machining is unstable, the machining cost is high, and the problem of batch property is frequent.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a finish machining method based on three-dimensional cam profile materialized model deviation compensation, which can quickly and accurately compensate and modify a three-dimensional cam profile digital model and a numerical control program according to a measurement detection result, namely a three-dimensional cam profile polar radius deviation value, and has the advantages of low cost and stable product quality.
In order to achieve the purpose, the invention adopts the following technical scheme:
a finish machining method based on three-dimensional cam profile materialized model deviation compensation comprises the following steps:
1) processing a sample piece according to the three-dimensional cam profile materialized model;
2) on the on-line detection processing sample piece, a plurality of original qualified detection point positions and polar radius deviation values delta r of the corresponding processing point positions on an XY projection plane in a rectangular coordinate system;
3) converting the polar radius deviation value delta r obtained by detection into vector components, and converting the vector components into x, y and z values through a conversion function to obtain a plurality of new point positions;
4) reconstructing a digital model of the three-dimensional cam molded surface according to the plurality of new point positions and the plurality of original qualified detection point positions obtained in the step 3);
5) carrying out numerical control programming processing on the digital model obtained in the step 4) to obtain a new processing sample piece;
6) on-line detection is carried out on the newly processed sample piece obtained in the step 5), a plurality of original qualified detection point positions and detection results of corresponding new processing points are obtained, and if the detection results are consistent, the sample piece is qualified; finishing the processing;
if the detection results are inconsistent, the sample piece is unqualified, and the steps 3) to 5) are continuously repeated for deviation compensation until the detection results of a plurality of original qualified detection point positions of the three-dimensional cam profile and the corresponding new processing points are consistent.
The specific implementation manner of the step 1) is as follows: a numerical control machining program is programmed by adopting a three-dimensional cam profile materialized model, and a sample is machined by utilizing five-axis machining center equipment.
The specific implementation manner of the step 2) is as follows: utilizing Leitz three-coordinate measuring and detecting equipment to detect the coordinates (x) of a plurality of original qualified detection points on a processed sample piece on linei0、yi0、zi0) And coordinates (x) of the corresponding machining point locationi1、yi1、zi1) Obtaining the polar radius deviation value of the original qualified point detection three-dimensional cam profile working roller central track point in the XY projection plane in the rectangular coordinate system
ΔXi＝xi1-xi0；ΔYi＝yi1-yi0；i＝1，2，3…n。
The specific implementation manner of the step 3) is as follows:
3.1) any check point in the corresponding machining point positions is taken as a calculation point, the polar angle of the calculation point is theta, a point position with the same height as the calculation point and the same theta is selected from a point cloud array for solid model modeling, the K value of the point position is taken as a known quantity, and the method is obtained according to the following steps that K is cos gamma, A + gamma is 90 degrees, and cosA is delta R/delta R:
wherein: Δ R is the polar radius deviation compensation amount; k is the Y-direction unit vector.
3.2) substituting the deviation compensation value delta R into R ', namely delta R + R, wherein R' is an input value after compensation, and R is a radius value of the working roller of the three-dimensional cam profile;
3.3) substituting R' as a new variable into the cam modeling process to construct a new solid model. The specific implementation manner of the step 4) is as follows: based on the converted new point location coordinates (X, Y, Z) and the coordinates (x) of the original qualified point location for detectioni0、yi0、zi0) And utilizing mechanical three-dimensional design software to reestablish a digital model of the three-dimensional cam profile.
The concrete implementation mode of the step 5) is to adopt a three-dimensional cam profile materialized model to compile a numerical control machining program and utilize five-axis machining center equipment to machine a sample.
The specific implementation manner of the step 6) is as follows: and (3) online detection is carried out according to the cam profile processed by the compensated three-dimensional cam profile materialized model, if the out-of-tolerance point still exists, reciprocating iteration can be carried out, namely, the steps 3) -5) are repeated until the extreme radius deviation values of all the check points of the sample piece are qualified.
The invention has the beneficial effects that:
according to the invention, through a deviation compensation mode, a digital model of the three-dimensional cam profile can be adjusted quickly and accurately, and accurate fine adjustment can be realized based on a numerical control program compiled by the digital model. And the limit precision of the three-dimensional cam profile can be achieved through repeated reciprocating iteration. The defects that the program of the traditional finish machining mode of the three-dimensional cam profile is fixed and cannot be adjusted and the machining result is only and cannot be changed are overcome. By establishing the deviation compensation function, the compensation quantity can be quickly and accurately obtained, so that engineering technicians can quickly modify a finish machining program to ensure the quality level of the molded surface of the three-dimensional cam. Meanwhile, the method can be popularized to profile finish machining of other complex curved surface parts.
Drawings
FIG. 1 shows a polar radius deviation Δ r of points on an XY projection plane in a rectangular coordinate system according to the present invention.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings and examples.
Examples
A finish machining method based on three-dimensional cam profile materialized model deviation compensation comprises the following steps:
1) processing a sample piece according to the three-dimensional cam profile materialized model;
specifically, a programming module of UG NX software is utilized to reasonably select a machining cutter, a driving geometric body, a cutting mode and the like respectively, a numerical control program based on a five-axis numerical control machining center is established, and a sample is machined.
2) On the on-line detection processing sample piece, a plurality of original qualified detection point positions and polar radius deviation values delta r of the corresponding processing point positions on an XY projection plane in a rectangular coordinate system;
utilizing Leitz three-coordinate measuring and detecting equipment to detect the coordinates (x) of a plurality of original qualified detection points on a processed sample piece on linei0、yi0、zi0) And coordinates (x) of the corresponding machining point locationi1、yi1、zi1) Obtaining the polar radius deviation value of the original qualified point detection three-dimensional cam profile working roller central track point in the XY projection plane in the rectangular coordinate system
ΔXi＝xi1-xi0；ΔYi＝yi1-yi0；i＝1，2，3…n；
3) Converting the polar radius deviation value delta r obtained by detection into vector components, and converting the vector components into x, y and z values through a conversion function to obtain a plurality of new point positions;
3.1) any check point in the corresponding machining point positions is taken as a calculation point, the polar angle of the calculation point is theta, a point position with the same height as the calculation point and the same theta is selected from a point cloud array for solid model modeling, the K value of the point position is taken as a known quantity, and the method is obtained according to the following steps that K is cos gamma, A + gamma is 90 degrees, and cosA is delta R/delta R:
wherein: Δ R is the polar radius deviation compensation amount; k is a Y-direction unit vector;
3.2) substituting the deviation compensation value delta R into R ', namely delta R + R, wherein R' is an input value after compensation, and R is a radius value of the working roller of the three-dimensional cam profile;
3.3) substituting R' as a new variable into the cam modeling process to construct a new solid model.
4) Reconstructing a digital model of the three-dimensional cam molded surface according to the plurality of new point positions and the plurality of original qualified detection point positions obtained in the step 3); specifically, the method is based on the converted new point location coordinates (X, Y, Z) and the coordinates (x) of the original qualified detection point locationi0、yi0、zi0) And utilizing mechanical three-dimensional design software to reestablish a digital model of the three-dimensional cam profile.
5) Carrying out numerical control programming processing on the digital model obtained in the step 4) to obtain a new processing sample piece;
specifically, a numerical control machining program is programmed by adopting a three-dimensional cam profile materialized model, and a sample piece is machined by utilizing five-axis machining center equipment.
6) On-line detection is carried out on the newly processed sample piece obtained in the step 5), a plurality of original qualified detection point positions and detection results of corresponding new processing points are obtained, and if the detection results are consistent, the sample piece is qualified; finishing the processing; if the detection results are inconsistent, the sample piece is unqualified, and the steps 3) to 5) are continuously repeated for deviation compensation until the detection results of a plurality of original qualified detection point positions of the three-dimensional cam profile and the corresponding new processing points are consistent.
And (3) online detection is carried out according to the cam profile processed by the compensated three-dimensional cam profile materialized model, if the out-of-tolerance point still exists, reciprocating iteration can be carried out, namely, the steps 3) -5) are repeated until the extreme radius deviation values of all the check points of the sample piece are qualified.
Taking a certain three-dimensional cam profile as an example, the cam profile is subjected to materialized model establishment and deviation compensation according to the actually measured polar radius deviation value.
1) Processing a cam sample piece according to the three-dimensional cam profile materialized model;
2) utilizing a Leitz three-coordinate measuring and detecting device to online detect the inspection point positions (including but not limited to design inspection points) required by each drawing of the sample piece, and obtaining the polar radius deviation value delta r (shown in figure 1) of the actual contour points of the same polar angle of the three-dimensional cam profile working roller central track point position of each inspection point in the XY projection plane and the inspection points of the drawing;
3) measuring to obtain a polar radius deviation value delta r of 0.05, picking up K value of 0.756 corresponding to the point with same height and same polar angle as the test point in the point cloud for modeling, and calculating function
Obtaining a deviation compensation value delta R which is 0.0769, and obtaining R' R + delta R which is 3.0769 by combining the working roller radius R which is 3;
taking the R' as an input in combination with the central locus point position of the three-dimensional cam profile at the point, and calculating by a conversion function to obtain the entity point position of the point of the three-dimensional cam profile;
4) re-establishing a three-dimensional cam profile solid model according to the point and the rest qualified points;
5) carrying out numerical control programming processing according to the entity model;
6) and (5) detecting the sample part check point again on line, if the out-of-tolerance point still exists, repeating the steps 3) -5) for multiple iterations until the cam profile polar radius deviation value reaches the design requirement.
After the deviation compensation method provided by the invention is adopted, the design drawing requires that the cam polar radius deviation value is +/-0.05, the polar radius deviation value reaches +/-0.025 through actual measurement, the precision is improved by 1 time, and the batch qualification rate reaches 100%.
Claims (7)
1. A finish machining method based on three-dimensional cam profile materialized model deviation compensation is characterized by comprising the following steps: the finish machining method based on the three-dimensional cam profile materialized model deviation compensation comprises the following steps of:
1) processing a sample piece according to the three-dimensional cam profile materialized model;
2) on the on-line detection processing sample piece, a plurality of original qualified detection point positions and polar radius deviation values delta r of the corresponding processing point positions on an XY projection plane in a rectangular coordinate system;
3) converting the polar radius deviation value delta r obtained by detection into vector components, and converting the vector components into x, y and z values through a conversion function to obtain a plurality of new point positions;
4) reconstructing a digital model of the three-dimensional cam molded surface according to the plurality of new point positions and the plurality of original qualified detection point positions obtained in the step 3);
5) carrying out numerical control programming processing on the digital model obtained in the step 4) to obtain a new processing sample piece;
6) on-line detection is carried out on the newly processed sample piece obtained in the step 5), a plurality of original qualified detection point positions and detection results of corresponding new processing points are obtained, and if the detection results are consistent, the sample piece is qualified; finishing the processing;
if the detection results are inconsistent, the sample piece is unqualified, and the steps 3) to 5) are continuously repeated for deviation compensation until the detection results of a plurality of original qualified detection point positions of the three-dimensional cam profile and the corresponding new processing points are consistent.
2. The finishing method based on the three-dimensional cam profile materialization model deviation compensation is characterized in that: the specific implementation manner of the step 1) is as follows: a numerical control machining program is programmed by adopting a three-dimensional cam profile materialized model, and a sample is machined by utilizing five-axis machining center equipment.
3. The finishing method based on the three-dimensional cam profile materialization model deviation compensation is characterized in that: the specific implementation manner of the step 2) is as follows: utilizing Leitz three-coordinate measuring and detecting equipment to detect the coordinates (x) of a plurality of original qualified detection points on a processed sample piece on linei0、yi0、zi0) And coordinates (x) of the corresponding machining point locationi1、yi1、zi1) Obtaining the polar radius deviation value of the original qualified point detection three-dimensional cam profile working roller central track point in the XY projection plane in the rectangular coordinate system
ΔXi＝xi1-xi0；ΔYi＝yi1-yi0；i＝1，2，3…n。
4. The finishing method based on the three-dimensional cam profile materialization model deviation compensation is characterized in that: the specific implementation manner of the step 3) is as follows:
3.1) any check point in the corresponding machining point positions is taken as a calculation point, the polar angle of the calculation point is theta, a point position with the same height as the calculation point and the same theta is selected from a point cloud array for solid model modeling, the K value of the point position is taken as a known quantity, and the method is obtained according to the following steps that K is cos gamma, A + gamma is 90 degrees, and cosA is delta R/delta R:
wherein: Δ R is the polar radius deviation compensation amount; k is a Y-direction unit vector;
3.2) substituting the deviation compensation value delta R into R ', namely delta R + R, wherein R' is an input value after compensation, and R is a radius value of the working roller of the three-dimensional cam profile;
3.3) substituting R' as a new variable into the cam modeling process to construct a new solid model.
5. The finishing method based on the three-dimensional cam profile materialization model deviation compensation is characterized in that: the specific implementation manner of the step 4) is as follows: based on the converted new point location coordinates (X, Y, Z) and the coordinates (x) of the original qualified point location for detectioni0、yi0、zi0) And utilizing mechanical three-dimensional design software to reestablish a digital model of the three-dimensional cam profile.
6. The finishing method based on the three-dimensional cam profile materialization model deviation compensation is characterized in that: the specific implementation mode of the step 5) is to adopt a three-dimensional cam profile materialized model to compile a numerical control machining program and utilize five-axis machining center equipment to machine a sample.
7. The finishing method based on the three-dimensional cam profile materialization model deviation compensation is characterized in that: the specific implementation manner of the step 6) is as follows: and (3) online detection is carried out according to the cam profile processed by the compensated three-dimensional cam profile materialized model, if the out-of-tolerance point still exists, reciprocating iteration can be carried out, namely, the steps 3) -5) are repeated until the extreme radius deviation values of all the check points of the sample piece are qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011280693.6A CN112526925B (en) | 2020-11-16 | 2020-11-16 | Profile finish machining method based on three-dimensional cam profile materialized model deviation compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011280693.6A CN112526925B (en) | 2020-11-16 | 2020-11-16 | Profile finish machining method based on three-dimensional cam profile materialized model deviation compensation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112526925A true CN112526925A (en) | 2021-03-19 |
| CN112526925B CN112526925B (en) | 2022-12-16 |
Family
ID=74980956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011280693.6A Active CN112526925B (en) | 2020-11-16 | 2020-11-16 | Profile finish machining method based on three-dimensional cam profile materialized model deviation compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112526925B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114237160A (en) * | 2021-12-10 | 2022-03-25 | 合肥中辰轻工机械有限公司 | Compensation processing method of finish machining numerical control program of straight-line curved surface cam |
| CN114413805A (en) * | 2021-10-29 | 2022-04-29 | 中国航发西安动力控制科技有限公司 | Three-dimensional cam digital measurement method based on three-dimensional vector and two-dimensional vector conversion |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005088082A1 (en) * | 2004-03-11 | 2005-09-22 | Daimlerchrysler Ag | Camshaft and method for producing a camshaft |
| JP2009061565A (en) * | 2007-09-07 | 2009-03-26 | Honda Motor Co Ltd | Machining method |
| CN101602130A (en) * | 2008-06-10 | 2009-12-16 | 发那科株式会社 | The controller of electric spark linear cutting machine and the machining path generation device of electric spark linear cutting machine |
| CN102049719A (en) * | 2010-09-13 | 2011-05-11 | 湖南宇环同心数控机床有限公司 | Numerically controlled grinding machining method of camshaft |
| CN102354157A (en) * | 2011-08-01 | 2012-02-15 | 大连交通大学 | Radius compensation algorithm for convex contour closed-angle linear and circular arc composite transitional cutting tool |
| CN102413975A (en) * | 2009-06-26 | 2012-04-11 | 钴碳化钨硬质合金公司 | Method and device for precision machining of crankshafts or camshafts |
| CN109855587A (en) * | 2018-11-16 | 2019-06-07 | 中国航发西安动力控制科技有限公司 | Two-dimensional cam class part type face digital measuring method based on profile tolerance |
| CN111045385A (en) * | 2019-12-26 | 2020-04-21 | 北京工业大学 | Error modeling and analyzing method for machine tool special for machining cambered surface cam |
-
2020
- 2020-11-16 CN CN202011280693.6A patent/CN112526925B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005088082A1 (en) * | 2004-03-11 | 2005-09-22 | Daimlerchrysler Ag | Camshaft and method for producing a camshaft |
| JP2009061565A (en) * | 2007-09-07 | 2009-03-26 | Honda Motor Co Ltd | Machining method |
| CN101602130A (en) * | 2008-06-10 | 2009-12-16 | 发那科株式会社 | The controller of electric spark linear cutting machine and the machining path generation device of electric spark linear cutting machine |
| CN102413975A (en) * | 2009-06-26 | 2012-04-11 | 钴碳化钨硬质合金公司 | Method and device for precision machining of crankshafts or camshafts |
| CN102049719A (en) * | 2010-09-13 | 2011-05-11 | 湖南宇环同心数控机床有限公司 | Numerically controlled grinding machining method of camshaft |
| CN102354157A (en) * | 2011-08-01 | 2012-02-15 | 大连交通大学 | Radius compensation algorithm for convex contour closed-angle linear and circular arc composite transitional cutting tool |
| CN109855587A (en) * | 2018-11-16 | 2019-06-07 | 中国航发西安动力控制科技有限公司 | Two-dimensional cam class part type face digital measuring method based on profile tolerance |
| CN111045385A (en) * | 2019-12-26 | 2020-04-21 | 北京工业大学 | Error modeling and analyzing method for machine tool special for machining cambered surface cam |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413805A (en) * | 2021-10-29 | 2022-04-29 | 中国航发西安动力控制科技有限公司 | Three-dimensional cam digital measurement method based on three-dimensional vector and two-dimensional vector conversion |
| CN114413805B (en) * | 2021-10-29 | 2024-03-26 | 中国航发西安动力控制科技有限公司 | Three-dimensional cam digital measurement method based on three-dimensional vector and two-dimensional vector conversion |
| CN114237160A (en) * | 2021-12-10 | 2022-03-25 | 合肥中辰轻工机械有限公司 | Compensation processing method of finish machining numerical control program of straight-line curved surface cam |
| CN114237160B (en) * | 2021-12-10 | 2023-06-02 | 合肥中辰轻工机械有限公司 | Compensation processing method of finish machining numerical control program of straight curved cam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112526925B (en) | 2022-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103777570B (en) | Mismachining tolerance quick detection compensation method based on nurbs surface | |
| CN108655820A (en) | A kind of scaling method of digital control processing basis coordinates system | |
| CN112526925B (en) | Profile finish machining method based on three-dimensional cam profile materialized model deviation compensation | |
| WO2022170841A1 (en) | Benchmark selection method for minimizing hole position errors in large-component hole group machining | |
| CN111347294B (en) | High-gradient optical mirror surface error polishing correction processing method | |
| CN108120373A (en) | A kind of Complex Different Shape casting measurement inspection method based on laser tracking measurement | |
| CN102814512A (en) | On-line measuring method for radials profile of compressor disc-like part of engine | |
| CN108253911A (en) | A kind of workpiece pose method of adjustment based on measurement point geometric properties iteration registration | |
| CN115562161B (en) | On-line monitoring-based cutter cutting path machining error compensation method | |
| CN109848989B (en) | Robot execution tail end automatic calibration and detection method based on ruby probe | |
| CN110286650A (en) | A kind of blank based on numerical control macroprogram is in machine fast aligning method | |
| CN112731864B (en) | Machine tool machining error compensation method and device and part machining machine tool | |
| CN113009881A (en) | Automatic setting and online measuring method for coordinate system in numerical control machining | |
| CN107790793A (en) | A kind of aviation finish forge blade self-adapting type milling method | |
| CN110686655B (en) | Positioning method, device and system for three-dimensional curved surface workpiece | |
| CN106406237A (en) | Method for processing metal part with free-form hook surface | |
| CN109978991A (en) | The method that view-based access control model fast implements complex component clamping position and attitude error on-line measurement | |
| Ri et al. | Research on control optimization for bonnet polishing system | |
| Brøtan | A new method for determining and improving the accuracy of a powder bed additive manufacturing machine | |
| CN113814673A (en) | Geometric self-adaptive machining method for titanium alloy blisk welding part of large fan | |
| CN110850810A (en) | Finish machining registration method based on double-reference constraint | |
| CN113985813A (en) | Machine tool origin error compensation method based on-machine detection | |
| CN109035238B (en) | Machining allowance offline analysis method for free-form surface part | |
| Wu et al. | Rigid shape matching for 3-D robotic grinding measurement with applications to blades | |
| CN111578872B (en) | Molded surface repairing method of mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |