CN110503717A - A kind of cooling water hole creation method based on CAD - Google Patents
A kind of cooling water hole creation method based on CAD Download PDFInfo
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- CN110503717A CN110503717A CN201910765030.4A CN201910765030A CN110503717A CN 110503717 A CN110503717 A CN 110503717A CN 201910765030 A CN201910765030 A CN 201910765030A CN 110503717 A CN110503717 A CN 110503717A
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- cooling water
- water hole
- vector
- hole
- wall thickness
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- Engineering & Computer Science (AREA)
- Computer Graphics (AREA)
- Geometry (AREA)
- Software Systems (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention discloses a kind of cooling water hole creation method based on CAD in the diameter that hole has been determined, depth, position, after placement plane, creates cooling water hole；When checking whether the wall thickness of cooling water hole is greater than specified value δ, the diameter of cooling water hole is increased into 2* δ, depth is increased into δ, if the face of cooling water hole is intersected with the physically other faces of threedimensional model, show that cooling water hole is unsatisfactory for minimum wall thickness (MINI W.) requirement, the position that technical staff can move cooling water hole is adjusted.The mode of mobile cooling water hole is moved a certain distance along the direction vector vertical with placement plane normal vector, can be moved repeatedly, until meeting minimum wall thickness (MINI W.) requirement, then the diameter of cooling water hole and depth is changeed back to original value.The present invention can be convenient whether intuitive inspection pore wall thickness is greater than specified value, and be easy to adjust the position of cooling water hole, solves defect that is time-consuming and laborious, being easy error in existing method, can largely promote design efficiency.
Description
Technical field
The invention belongs in mechanical engineering field of computer aided design more particularly to a kind of cooling water based on CAD
Hole creation method.
Background technique
Mold core and mould bases, engine body to compression mod and injection mould etc. are in the part under high temperature and high pressure condition, good
Good heat dissipation is essential.Such as compression mod, high temperature will lead to the deformation of mold core and mould bases, so that die casting
Precision cannot be guaranteed, while cooling velocity of the aluminium alloy in type chamber is to influence the key factor of die casting consistency.It is pressing
It is identical and guarantee that aluminium alloy can be full of under the premise of type chamber to penetrate parameter, the cooling velocity of the more low then alloy of mould temperature is faster, casting gold
It is also finer and close to belong to tissue.Therefore in these components usually all comprising many for filling and recycling the pipe of high-pressure coolant
Road, these pipelines are made of up to tens even several hundred a cooling holes.Due to be perfused in cooling hole be high pressure coolant liquid,
Therefore during create cooling water hole, in addition to want the diameter of designation hole, depth, dispose plane, position and direction vector this
Outside a little call parameters, it is also necessary to which the minimum thickness of specified cooling water hole hole wall, the i.e. face of cooling water hole and threedimensional model are physically
Minimum range between other all faces, to meet the intensity requirement of cooling water hole.
At this stage, after cooling water hole creation, hole wall and physically crowd that technical staff can not learn cooling hole
The minimum range in more other faces is actually how many, position wherein, can only seem by observation and conjecture, selection may be away from
It is measured from the smallest place, in order to guarantee safety, usually to measure multiple places.Once the cooling hole of creation is unsatisfactory for by force
Degree requires then rebuild cooling hole and repeat the above process.This mode is too time-consuming and laborious, and cannot be completely secured
Cooling hole meets intensity requirement, if cooling hole ruptures at work, coolant liquid leakage, then whole set of die is scrapped completely, and loss is tight
Weight.
Summary of the invention
Goal of the invention: time-consuming and laborious for the mode that creates cooling water hole in the prior art, be easy error, inefficiency
Problem, the present invention propose a kind of cooling water hole creation method based on CAD.
Technical solution: to achieve the purpose of the present invention, the technical scheme adopted by the invention is that: it is a kind of based on the cold of CAD
But water hole creation method includes the following steps:
Step 1: determining that the parameter of cooling water hole to be created in threedimensional model, the parameter include the diameter of cooling water hole
D, depth H, position P, cooling water hole hole wall minimum thickness δ；Select the placement plane of cooling water hole；
The minimum thickness of the cooling water hole hole wall, the i.e. entity (body) in the face (face) of cooling water hole and threedimensional model
Minimum range between upper other all faces；The minimum thickness of hole wall, can for guaranteeing that cooling water hole has certain intensity
Bear coolant liquid bring pressure；The minimum thickness of cooling water hole hole wall according to user demand determine, such as can value be 3 millimeters or
5 millimeters；
Step 2: since the direction of cooling water hole and the placement normal vector of plane are parallel but contrary, obtain peace
The normal vector in horizontalization face, and inversion operation is carried out to the normal vector, obtain vector V；
Step 3: the vector V according to the parameter in step 1 and in step 2 creates cooling water hole；
Step 4: the diameter of the created cooling water hole of modification is D+2* δ, and depth is H+ δ, and updates threedimensional model；
Step 5: judging whether modified cooling water hole meets minimum wall thickness (MINI W.) condition；If not satisfied, 6 are entered step, if
Meet, determines the position of cooling water hole, enter step 7；
Further, the minimum wall thickness (MINI W.) condition refers in the face (face) of cooling water hole and the entity (body) of threedimensional model
Do not intersect in other faces；If the face of cooling water hole is intersected with faces other in the entity of threedimensional model, show not
Meet minimum wall thickness (MINI W.) condition；
Step 6: determining moving direction and distance, the position of mobile cooling water hole, and return to step 5；
Step 7: the diameter of cooling water hole and depth being respectively modified as D and H again, and update threedimensional model, is obtained most
The cooling water hole that creation is completed eventually.
Further, in step 6, the method for mobile cooling water hole is as follows:
Step 6-1: determining moving operation parameter, the vector T including moving distance d and expression moving direction；
Step 6-2: check whether the vector T and vector V in step 2 is vertical, if vertically, entering step 6-3；Otherwise, it returns
Receipt row step 6-1；
Step 6-3, by cooling water hole along vector T moving distance d in placement plane.
The utility model has the advantages that compared with prior art, technical solution of the present invention has technical effect beneficial below:
The present invention provides a kind of methods for creating cooling water hole, can create cooling water hole and square in the methods of the invention
Just it intuitively checks whether its pore wall thickness is greater than specified value, and is easy to adjust the position of cooling water hole, solve and set now
Defect that is time-consuming and laborious in meter method, being easy error, can largely promote design efficiency.
Detailed description of the invention
Fig. 1 is creation cooling water hole method flow diagram in the present invention；
Fig. 2 is to check whether cooling water hole wall thickness meets the requirements schematic diagram.
Specific embodiment
Further description of the technical solution of the present invention with reference to the accompanying drawings and examples.
The verifying and the platform implemented that cooling water hole method is created in the embodiment of the present invention are NX 10.0.In NX 10.0
The collection of functions abundant for secondary development is provided, can satisfy the operation in the present embodiment, such as data input, query entity
Attribute, creation or editor's cooling water hole in middle face.
A kind of cooling water hole creation method based on CAD of the present invention, Fig. 1 show this method flow chart, including
Following steps:
Step 1: determining that the parameter of cooling water hole to be created in threedimensional model, the parameter include the diameter of cooling water hole
D, depth H, position P, cooling water hole hole wall minimum thickness δ；Select the placement plane of cooling water hole；
Step 2: obtaining the normal vector of placement plane, and inversion operation is carried out to the normal vector, obtain vector V；
Step 3: the vector V according to the parameter in step 1 and in step 2 creates cooling water hole；
Step 4: the diameter of the created cooling water hole of modification is D+2* δ, and depth is H+ δ, and updates threedimensional model；
Step 5: judging whether modified cooling water hole meets minimum wall thickness (MINI W.) condition；If not satisfied, 6 are entered step, if
Meet, determines the position of cooling water hole, enter step 7；
The minimum wall thickness (MINI W.) condition refers to other in the face (face) of cooling water hole and the entity (body) of threedimensional model
Do not intersect in face；If the face of cooling water hole is intersected with faces other in the entity of threedimensional model, show to be unsatisfactory for most
Small wall thickness condition；
Step 6: determining moving direction and distance, the position of mobile cooling water hole, and return to step 5；
Step 7: the diameter of cooling water hole and depth being respectively modified as D and H again, and update threedimensional model, is obtained most
The cooling water hole that creation is completed eventually.
In the step 6, the method for mobile cooling water hole is specific as follows:
Step 6-1: determining moving operation parameter, the vector T including moving distance d and expression moving direction；
Step 6-2: check whether the vector T and vector V in step 2 is vertical, if vertically, entering step 6-3；Otherwise, it returns
Receipt row step 6-1；
Step 6-3, by cooling water hole along vector T moving distance d in placement plane.
Fig. 2 is to check whether cooling water hole wall thickness meets the schematic diagram of minimum wall thickness (MINI W.) condition, cold water intaking hole such as Fig. 2 of creation
(a) shown in, the minimum wall thickness (MINI W.) position of cooling water hole is at distance A at this time, and technical staff needs to test to cooling water hole, will
The diameter modifying of the cooling water hole of creation is D+2* δ, and depth is revised as H+ δ, updates threedimensional model, technical staff can rotate
The entity of threedimensional model and observation, if the face of modified cooling water hole is intersected with other faces in threedimensional model entity,
As shown in Fig. 2 (b), then show to be unsatisfactory for minimum wall thickness (MINI W.) condition.
The invention proposes a kind of methods for creating cooling hole in the three-dimensional model, can create and edit easily and fast
Cooling hole largely improves work efficiency.
Claims (3)
1. a kind of cooling water hole creation method based on CAD, it is characterised in that: this method comprises the following steps:
Step 1: determining that the parameter of cooling water hole to be created in threedimensional model, the parameter include the diameter D of cooling water hole, depth
Spend H, position P, cooling water hole hole wall minimum thickness δ；Select the placement plane of cooling water hole；
Step 2: obtaining the normal vector of placement plane, and inversion operation is carried out to the normal vector, obtain vector V；
Step 3: the vector V according to the parameter in step 1 and in step 2 creates cooling water hole；
Step 4: the diameter of the created cooling water hole of modification is D+2* δ, and depth is H+ δ, and updates threedimensional model；
Step 5: judging whether modified cooling water hole meets minimum wall thickness (MINI W.) condition；If not satisfied, 6 are entered step, if satisfied,
The position for determining cooling water hole, enters step 7；
Step 6: determining moving direction and distance, the position of mobile cooling water hole, and return to step 5；
Step 7: the diameter of cooling water hole and depth being respectively modified as D and H again, and update threedimensional model, is finally created
Build the cooling water hole of completion.
2. a kind of cooling water hole creation method based on CAD according to claim 1, it is characterised in that: in steps of 5,
The minimum wall thickness (MINI W.) condition refers to that other faces are not intersected in the face of cooling water hole and the entity of threedimensional model.
3. a kind of cooling water hole creation method based on CAD according to claim 1 or 2, it is characterised in that: in step 6
In, the method for mobile cooling water hole is as follows:
Step 6-1: determining moving operation parameter, the vector T including moving distance d and expression moving direction；
Step 6-2: check whether the vector T and vector V in step 2 is vertical, if vertically, entering step 6-3；Otherwise, return is held
Row step 6-1；
Step 6-3: by cooling water hole along vector T moving distance d in placement plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765030.4A CN110503717A (en) | 2019-08-19 | 2019-08-19 | A kind of cooling water hole creation method based on CAD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765030.4A CN110503717A (en) | 2019-08-19 | 2019-08-19 | A kind of cooling water hole creation method based on CAD |
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| Publication Number | Publication Date |
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| CN110503717A true CN110503717A (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910765030.4A Withdrawn CN110503717A (en) | 2019-08-19 | 2019-08-19 | A kind of cooling water hole creation method based on CAD |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813043A (en) * | 2020-07-31 | 2020-10-23 | 东莞市中泰模具股份有限公司 | Method for checking safe distance from tooth hole to edge, storage medium and CNC machine tool |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09300354A (en) * | 1996-05-13 | 1997-11-25 | Nissan Motor Co Ltd | Method for designing cooling water hole in mold |
| CN106777491A (en) * | 2016-09-09 | 2017-05-31 | 东莞市燕秀信息技术有限公司 | A kind of method in dynamic creation mold cooling water road |
-
2019
- 2019-08-19 CN CN201910765030.4A patent/CN110503717A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09300354A (en) * | 1996-05-13 | 1997-11-25 | Nissan Motor Co Ltd | Method for designing cooling water hole in mold |
| CN106777491A (en) * | 2016-09-09 | 2017-05-31 | 东莞市燕秀信息技术有限公司 | A kind of method in dynamic creation mold cooling water road |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813043A (en) * | 2020-07-31 | 2020-10-23 | 东莞市中泰模具股份有限公司 | Method for checking safe distance from tooth hole to edge, storage medium and CNC machine tool |
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Application publication date: 20191126 |