CN111931399A - Manifold optimization method of hydraulic valve integrated block based on 3D printing - Google Patents
Manifold optimization method of hydraulic valve integrated block based on 3D printing Download PDFInfo
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- CN111931399A CN111931399A CN202010685275.9A CN202010685275A CN111931399A CN 111931399 A CN111931399 A CN 111931399A CN 202010685275 A CN202010685275 A CN 202010685275A CN 111931399 A CN111931399 A CN 111931399A
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- hydraulic valve
- runner
- arc
- manifold block
- valve manifold
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- 238000005457 optimization Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010146 3D printing Methods 0.000 title claims abstract description 12
- 238000004458 analytical method Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/10—Additive manufacturing, e.g. 3D printing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/14—Pipes
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- Manufacturing & Machinery (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A manifold optimization method of a hydraulic valve manifold block based on 3D printing is carried out according to the following steps: step 1: generating an initial runner model of the hydraulic valve integrated block according to design requirements; step 2: finite element analysis is carried out on a right-angle turning part, a Z-shaped runner and a non-orthogonal runner of the hydraulic valve integrated block; and step 3: replacing a turning structure in the hydraulic valve manifold block with an arc runner, and modifying the arc diameter of the arc runner to determine an optimal optimization scheme; and 4, step 4: and (3) bringing the arc runner with the determined diameter into the integral runner of the hydraulic valve manifold block to replace other turning structures, carrying out corresponding finite element analysis on the whole, and changing the radius of the arc again at the turning part with excessive pressure loss to obtain the optimal hydraulic valve manifold block runner. The invention has the characteristic of reducing the pressure loss of the hydraulic valve manifold block.
Description
Technical Field
The invention relates to the technical field of 3D printing and manufacturing, in particular to a manifold optimization method of a hydraulic valve integrated block based on 3D printing.
Background
In recent years, with the application of the hydraulic valve integrated block becoming wider, the complex processing steps of the traditional process can not meet the processing requirements gradually, especially the processing of the pore channel. In addition, most of the pore canal processing performed by the traditional processing method has the problems of right angle, non-orthogonality, sharp corner cavities and the like, and the structures can affect the working efficiency of the hydraulic valve manifold block more or less and cause energy loss or pressure loss of the hydraulic valve manifold block, so that the optimization of the problems and how to realize the optimization are urgent.
Disclosure of Invention
The invention aims to provide a hydraulic valve integrated block optimization method based on 3D printing. The invention has the advantage of reducing the pressure loss of the hydraulic valve manifold block.
The technical scheme of the invention is as follows: a hydraulic valve integrated block optimization method based on 3D printing is carried out according to the following steps:
step 1: generating an initial runner model of the hydraulic valve integrated block according to design requirements;
step 2: finite element analysis is carried out on a right-angle turning part, a Z-shaped runner and a non-orthogonal runner of the hydraulic valve integrated block;
and step 3: replacing a turning structure in the hydraulic valve manifold block with an arc runner, and modifying the arc diameter of the arc runner to determine an optimal optimization scheme;
and 4, step 4: and (3) bringing the arc runner with the determined diameter into the integral runner of the hydraulic valve manifold block to replace other turning structures, carrying out corresponding finite element analysis on the whole, and changing the radius of the arc again at the turning part with excessive pressure loss to obtain the optimal hydraulic valve manifold block runner.
In step 3 of the optimization method of the hydraulic valve integrated block based on 3D printing, when an arc runner is adopted,
the optimized decision variables are: a loss of pressure;
the optimization aims at: the pressure loss is minimal.
In step 3, after the optimization model of the circular-arc runner is obtained, performing circular-arc processing on the overall structure of the hydraulic valve manifold block to obtain a final optimization model, and performing finite element analysis on the final model to compare the final model with a runner model which is not optimized before, so as to determine whether the optimization has a certain effect on the overall runner optimization of the hydraulic valve manifold block, and if there is a deviation, continuing to modify the diameter of the circular-arc runner until an optimal solution is obtained.
Advantageous effects
Compared with the prior art, the method adopts a contrast mode to optimize the hydraulic valve manifold block, independently analyzes the structure of the traditional hydraulic valve, adopts the arc runner to replace the structure after determining the pressure loss of the hydraulic valve, finally determines the optimal arc radius by modifying the arc radius of the arc runner, then is used for the integral replacement of the hydraulic valve manifold block runner, determines the pressure loss of the integral hydraulic valve manifold block runner through analysis, and carries out corresponding fine adjustment on the place with overlarge pressure loss, thereby finally obtaining the integral optimal solution of the hydraulic valve manifold block runner.
In conclusion, the invention has the characteristics of small pressure loss and easy determination.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a generated hydraulic valve manifold block initial model;
FIG. 3 is a finite element analysis of various steering structures of the hydraulic valve manifold block;
FIG. 4 is a finite element analysis of a circular arc structure;
fig. 5 is a final generation hydraulic valve integrated flow path model.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The manifold optimization method of the hydraulic valve manifold block based on 3D printing in the embodiment is performed according to the following steps as shown in FIG. 1:
step S1: obtaining an initial hydraulic valve integrated block according to design requirements; see fig. 2; specifically, a hydraulic valve integrated block model is obtained through a traditional hydraulic valve integrated block, flow channel extraction is carried out, and finally a hydraulic valve integrated block flow channel model needing to be optimized is obtained;
step S2: using finite element analysis software to carry out corresponding finite edge separation on each steering structure of the hydraulic valve manifold block, and ensuring that each condition is the same when carrying out analysis, referring to fig. 3; obtaining the pressure loss of different structures in the hydraulic valve manifold block flow channel through finite element analysis of each structure of the hydraulic valve manifold block flow channel;
step S3: adopting an arc turning structure, and carrying out corresponding finite element analysis on the arc turning structure, and referring to fig. 4; finally, the optimal arc radius is obtained by modifying the arc radius in the arc turning structure;
step S4: and (3) bringing the determined arc turning structure into the hydraulic valve manifold block flow channel to replace other turning structures, performing corresponding finite element integral analysis, and obtaining a final hydraulic valve manifold block flow channel model after determining that the requirement is met, wherein the step is shown in figure 5.
Specifically, in the foregoing step S3, the determination method for the radius of the circular arc turning is to finally determine the optimal circular arc radius by performing finite element analysis on different circular arc radii.
Specifically, in the foregoing step S3, the reason for performing the finite element analysis using different arc radii is to determine the optimal arc radius,
the optimized decision variables are: a loss of pressure;
the optimization aims at: the pressure loss is minimal.
Specifically, in the step S3, after the optimization model of the circular arc runner is obtained, the circular arc processing is performed on the overall structure of the hydraulic valve manifold block to obtain a final optimization model, and finite element analysis is performed on the final model to compare the final model with a runner model that is not optimized before, so as to determine whether the optimization has a certain effect on the overall runner optimization of the hydraulic valve manifold block, and if there is a deviation, the diameter of the circular arc runner is continuously modified until an optimal solution is obtained.
Claims (3)
1. A manifold optimization method of a hydraulic valve manifold block based on 3D printing is characterized by comprising the following steps:
step 1: generating an initial runner model of the hydraulic valve integrated block according to design requirements;
step 2: finite element analysis is carried out on a right-angle turning part, a Z-shaped runner and a non-orthogonal runner of the hydraulic valve integrated block;
and step 3: replacing a turning structure in the hydraulic valve manifold block with an arc runner, and modifying the arc diameter of the arc runner to determine an optimal optimization scheme;
and 4, step 4: and (3) bringing the arc runner with the determined diameter into the integral runner of the hydraulic valve manifold block to replace other turning structures, carrying out corresponding finite element analysis on the whole, and changing the radius of the arc again at the turning part with excessive pressure loss to obtain the optimal hydraulic valve manifold block runner.
2. The manifold optimization method for the hydraulic valve manifold block based on 3D printing as claimed in claim 1, wherein in step 3, when the circular flow channel is adopted,
the optimized decision variables are: a loss of pressure;
the optimization aims at: the pressure loss is minimal.
3. The method for optimizing the manifold of the hydraulic valve manifold block based on 3D printing according to claim 1, wherein in step 3, after the optimization model of the circular-arc runner is obtained, the overall structure of the hydraulic valve manifold block is subjected to circular-arc processing to obtain a final optimization model, and the final model is subjected to finite element analysis and compared with a runner model which is not optimized before, so as to determine whether the optimization has a certain effect on the optimization of the overall runner of the hydraulic valve manifold block, and if the deviation exists, the diameter of the circular-arc runner is continuously modified until the optimal solution is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685275.9A CN111931399A (en) | 2020-07-16 | 2020-07-16 | Manifold optimization method of hydraulic valve integrated block based on 3D printing |
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|---|---|---|---|
| CN202010685275.9A CN111931399A (en) | 2020-07-16 | 2020-07-16 | Manifold optimization method of hydraulic valve integrated block based on 3D printing |
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| CN111931399A true CN111931399A (en) | 2020-11-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112818483A (en) * | 2021-01-25 | 2021-05-18 | 江苏徐工工程机械研究院有限公司 | Design and manufacturing method of hydraulic valve block based on selective laser melting |
| CN113127991A (en) * | 2021-04-23 | 2021-07-16 | 江苏徐工工程机械研究院有限公司 | Hydraulic valve block and lightweight design method thereof |
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| CN110666165A (en) * | 2019-06-21 | 2020-01-10 | 贵州翰凯斯智能技术有限公司 | Frame structure optimization method based on 3D printing |
| CN111209696A (en) * | 2019-12-30 | 2020-05-29 | 浙江大学 | SLM (Selective laser melting) forming technology-based hydraulic integrated block path design method |
-
2020
- 2020-07-16 CN CN202010685275.9A patent/CN111931399A/en active Pending
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| CN110666165A (en) * | 2019-06-21 | 2020-01-10 | 贵州翰凯斯智能技术有限公司 | Frame structure optimization method based on 3D printing |
| CN111209696A (en) * | 2019-12-30 | 2020-05-29 | 浙江大学 | SLM (Selective laser melting) forming technology-based hydraulic integrated block path design method |
Non-Patent Citations (4)
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| "某装备液压集成块流道液流特性分析及优化设计", 中国优秀硕士学位论文全文数据库工程科技Ⅱ辑, no. 7, pages 1 - 4 * |
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| 胡建军;陈进;权凌霄;孔祥东;: "液压集成块直角转弯流道的流动测量及参数优化（英文）", JOURNAL OF CENTRAL SOUTH UNIVERSITY, no. 04 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112818483A (en) * | 2021-01-25 | 2021-05-18 | 江苏徐工工程机械研究院有限公司 | Design and manufacturing method of hydraulic valve block based on selective laser melting |
| CN112818483B (en) * | 2021-01-25 | 2023-10-03 | 江苏徐工工程机械研究院有限公司 | Design and manufacturing method of hydraulic valve block based on selective laser melting |
| CN113127991A (en) * | 2021-04-23 | 2021-07-16 | 江苏徐工工程机械研究院有限公司 | Hydraulic valve block and lightweight design method thereof |
| CN113127991B (en) * | 2021-04-23 | 2024-03-01 | 江苏徐工工程机械研究院有限公司 | Hydraulic valve block and lightweight design method thereof |
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Application publication date: 20201113 |