CN106271364A - A kind of local route repair method based on 3 D-printing - Google Patents
A kind of local route repair method based on 3 D-printing Download PDFInfo
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- CN106271364A CN106271364A CN201610724151.0A CN201610724151A CN106271364A CN 106271364 A CN106271364 A CN 106271364A CN 201610724151 A CN201610724151 A CN 201610724151A CN 106271364 A CN106271364 A CN 106271364A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
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Abstract
The invention provides a kind of local route repair method based on 3 D-printing, specifically comprise the following steps that acquisition standard workpiece data model；Workpiece to be repaired is scanned, and sets up workpiece data model to be repaired according to scan data；Workpiece data model to be repaired and standard workpiece data model are analyzed contrast, extract defect areas；Defect areas is analyzed, calculates the facet that defect areas can be separated from workpiece main body to be repaired；Workpiece to be repaired is cut according to facet；The patch formation model that can repair workpiece main body to be repaired is generated according to facet and standard workpiece data model；Hierarchical diagram is generated according to patch formation model；With the facet on workpiece to be repaired as bottom surface, carry out printing reparation to workpiece main body to be repaired according to hierarchical diagram.A kind of based on 3 D-printing the local route repair method that the present invention proposes, can carry out precision reparation by surface cutting and three-dimensional printing to workpiece.
Description
Technical field
The present invention relates to three-dimensional printing technical field, particularly relate to a kind of local route repair method based on 3 D-printing.
Background technology
Along with the development of automatic technology, in the field such as commercial production, the automatic assembly line formula mode of production of workpiece is more come
The most universal, especially with the appearance of 3 D-printing (three-dimensional printing) technology, some high-precision products or workpiece also into
The ranks of automated production.
During automated production, owing to feed is smooth, power-off, short circuit or control the reasons such as improper, cause output
There is deviation in workpiece, as the situation right and wrong such as incompleteness, redundancy are usually shown in.Owing to the product that precision is high is difficult to repair or repair into
This height, so, at present for the faulty materials occurred in the high process of producing product of required precision, the most directly destroy the former material of recovery
Material.Consequently, it is possible to the work of formed product is abandoned completely, but also to increase extra destruction cost, for single workpiece,
Production process is entirely time, technique and raw-material waste.And, more high-precision product, incomplete product occur that probability is the highest,
Waste the most serious.
Summary of the invention
Based on background technology produced problem, the invention provides a kind of local route repair method based on 3 D-printing, can
By surface cutting and three-dimensional printing, workpiece is carried out precision reparation.
A kind of based on 3 D-printing the local route repair method that the present invention proposes, makes the flaw of substandard products workpiece by surface cutting
Defect geographic norms, and by three-dimensional printing, cutting zone is repaired, specifically comprise the following steps that
Obtain standard workpiece data model；
Workpiece to be repaired is scanned, and sets up workpiece data model to be repaired according to scan data；
Workpiece data model to be repaired and standard workpiece data model are analyzed contrast, extract defect areas；
Defect areas is analyzed, calculates the facet that defect areas can be separated from workpiece main body to be repaired；
Workpiece to be repaired is cut according to facet；
The patch formation model that can repair workpiece main body to be repaired is generated according to facet and standard workpiece data model；
Hierarchical diagram is generated according to patch formation model；
With the facet on workpiece to be repaired as bottom surface, carry out printing reparation to workpiece main body to be repaired according to hierarchical diagram.
Preferably, the computational methods of defect areas are: first calculate standard workpiece data model surface and cover point, generate mesh
Punctuate set；Then calculate workpiece data model surface to be repaired and cover point, generate workpiece point set；Finally, statistics exists only in
Workpiece point set and the point that is not present in sets of target points, it is thus achieved that flaw point set；Flaw district is obtained according to flaw point set
Territory, defect areas includes one or more flaw face, and each flaw face is made up of multiple interconnective flaw points, facet
Method for designing be: generate flaw face, then near workpiece centre to be repaired side calculate flaw face tangent plane, and select cut
The tangent plane that after face cutting workpiece to be repaired, Formation cross-section area is minimum is as facet.
The local route repair method based on 3 D-printing that the present invention provides utilizes three-dimensional printing technology to carry out workpiece to be repaired
Repair, and repair target with standard workpiece as template.Three-dimensional printing technology acuracy is high, can realize the high accuracy reparation of workpiece.
In the present invention, before workpiece is carried out three-dimensional printing reparation, first workpiece to be repaired is cut, flaw position is cut
Remove, so, not only can repair incomplete parts, it is also possible to repair the redundancy section of workpiece.
In the present invention, workpiece flaw position to be repaired can be cut, establish for carrying out unifying repairing according to preset mode
Basis, is conducive to the printing step pipelining being repaired, thus improves and print the speed repaired.
Accompanying drawing explanation
Fig. 1 is a kind of based on 3 D-printing the local route repair method flow diagram that the present invention proposes.
Detailed description of the invention
As it is shown in figure 1, a kind of based on 3 D-printing the local route repair method that the present invention proposes, make secondary by surface cutting
The defect areas standardization of product workpiece, and by three-dimensional printing, cutting zone is repaired.
This method specifically comprises the following steps that
S1, acquisition standard workpiece data model.
The final goal repaired is that substandard products are repaired into standard workpiece, so repairing during standard workpiece data model correct
The basis that work of returning to work is successfully completed.
S2, workpiece to be repaired is scanned, and sets up workpiece data model to be repaired according to scan data.
S3, workpiece data model to be repaired and standard workpiece data model are analyzed contrast, extract defect areas.
The extraction of defect areas both determines that the region needing to repair.
In step S3, the computational methods of defect areas are: first calculate standard workpiece data model surface and cover point, generate
Sets of target points；Then calculate workpiece data model surface to be repaired and cover point, generate workpiece point set；Finally, statistics only exists
The point being not present in sets of target points in workpiece point set, it is thus achieved that flaw point set；Flaw is obtained according to flaw point set
Region.
Owing to workpiece to be repaired is likely to be of one or more disconnected defective position, the surface at these positions and standard
The portion faces state difference that workpiece is corresponding.In present embodiment, the surface at defective for workpiece to be repaired position is referred to as flaw
Face, i.e. defect areas include one or more flaw face, and each flaw face is made up of multiple interconnective flaw points.
In step S3, the calculating in flaw face covers the whole surface of workpiece to be repaired, it is ensured that the defective portion of workpiece to be repaired
The integrity that position is extracted, is that standard workpiece provides safeguard for workpiece reparation to be repaired.
S4, defect areas is analyzed, calculates the facet that defect areas can be separated from workpiece main body to be repaired.
In this step, the method for designing of facet is: generate flaw face, then near the side of workpiece centre to be repaired meter
Calculate the tangent plane in flaw face, and select tangent plane to cut Formation cross-section area is minimum after workpiece to be repaired tangent plane is as facet.
In this step, facet is tangent with flaw face, so can ensure the complete resection of flaw point, and facet cutting is treated
The area of section repairing workpiece is minimum, it is ensured that at utmost preserves workpiece main body, reduces repair amount.
S5, according to facet cut workpiece to be repaired.
S6, generate the patch formation model that can repair workpiece main body to be repaired according to facet and standard workpiece data model.
In step S6, patch formation model is with facet as bottom surface.
Workpiece to be repaired cleaved in the patch formation model generated in step S6 and step S5 is combined into standard workpiece.
S7, according to patch formation model generate hierarchical diagram.
In this step, the three-dimensional printing being generated as patch formation model of hierarchical diagram lays the foundation.
S8, with the facet on workpiece to be repaired as bottom surface, carry out workpiece main body to be repaired printing according to hierarchical diagram and repair.
This step is actually with facet as bottom surface, prints patch formation model, thus obtain master die on workpiece to be repaired
Type.
In present embodiment, workpiece to be repaired is carried out face cutting, provide conveniently for three-dimensional printing.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (2)
1. a local route repair method based on 3 D-printing, it is characterised in that made the flaw of substandard products workpiece by surface cutting
Geographic norms, and by three-dimensional printing, cutting zone is repaired；Specifically comprise the following steps that
Obtain standard workpiece data model；
Workpiece to be repaired is scanned, and sets up workpiece data model to be repaired according to scan data；
Workpiece data model to be repaired and standard workpiece data model are analyzed contrast, extract defect areas；
Defect areas is analyzed, calculates the facet that defect areas can be separated from workpiece main body to be repaired；
Workpiece to be repaired is cut according to facet；
The patch formation model that can repair workpiece main body to be repaired is generated according to facet and standard workpiece data model；
Hierarchical diagram is generated according to patch formation model；
With the facet on workpiece to be repaired as bottom surface, carry out printing reparation to workpiece main body to be repaired according to hierarchical diagram.
2. local route repair method based on 3 D-printing as claimed in claim 1, it is characterised in that the calculating side of defect areas
Method is: first calculates standard workpiece data model surface and covers point, generates sets of target points；Then workpiece data mould to be repaired is calculated
Type surface covers point, generates workpiece point set；Finally, statistics exists only in workpiece point set and is not present in sets of target points
Point, it is thus achieved that flaw point set；Obtaining defect areas according to flaw point set, defect areas includes one or more flaw face,
Each flaw face is made up of multiple interconnective flaw points, and the method for designing of facet is: generates flaw face, is then leaning on
The side of nearly workpiece centre to be repaired calculates the tangent plane in flaw face, and selects tangent plane to cut Formation cross-section area minimum after workpiece to be repaired
Tangent plane as facet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724151.0A CN106271364A (en) | 2016-08-25 | 2016-08-25 | A kind of local route repair method based on 3 D-printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724151.0A CN106271364A (en) | 2016-08-25 | 2016-08-25 | A kind of local route repair method based on 3 D-printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106271364A true CN106271364A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610724151.0A Withdrawn CN106271364A (en) | 2016-08-25 | 2016-08-25 | A kind of local route repair method based on 3 D-printing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876950A (en) * | 2017-12-13 | 2018-04-06 | 苏州中材建设有限公司 | Prosthetic device and application method for double-geared roller crusher abrasion tooth plate |
| CN111347052A (en) * | 2020-03-30 | 2020-06-30 | 重庆大云端科技有限公司 | Part repairing method and device |
| CN111438449A (en) * | 2020-04-16 | 2020-07-24 | 苏州热工研究院有限公司 | 3D printing remanufacturing process and system for flange of nuclear power plant |
-
2016
- 2016-08-25 CN CN201610724151.0A patent/CN106271364A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876950A (en) * | 2017-12-13 | 2018-04-06 | 苏州中材建设有限公司 | Prosthetic device and application method for double-geared roller crusher abrasion tooth plate |
| CN111347052A (en) * | 2020-03-30 | 2020-06-30 | 重庆大云端科技有限公司 | Part repairing method and device |
| CN111438449A (en) * | 2020-04-16 | 2020-07-24 | 苏州热工研究院有限公司 | 3D printing remanufacturing process and system for flange of nuclear power plant |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170104 |
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| WW01 | Invention patent application withdrawn after publication |