CN104775319A - Method for machining pulp distributor for experimentally visual hydraulic headbox - Google Patents
Method for machining pulp distributor for experimentally visual hydraulic headbox Download PDFInfo
- Publication number
- CN104775319A CN104775319A CN201510153189.2A CN201510153189A CN104775319A CN 104775319 A CN104775319 A CN 104775319A CN 201510153189 A CN201510153189 A CN 201510153189A CN 104775319 A CN104775319 A CN 104775319A
- Authority
- CN
- China
- Prior art keywords
- pulp distributor
- experiment
- hydraulic headbox
- visual
- visual hydraulic
- 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.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/06—Regulating pulp flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
Abstract
The invention discloses a method for machining a pulp distributor for an experimentally visual hydraulic headbox. The method comprises the following steps of (1) building three-dimensional models for all parts of the pulp distributor for the experimentally visual hydraulic headbox in three-dimensional engineering software, and outputting numerically-controlled machining codes of the all parts for later use; (2) loading plates on a working platform of a numerically-controlled machining tool, introducing the numerically-controlled machining codes, and milling the all parts of the pulp distributor for the experimentally visual hydraulic headbox through the numerically-controlled machining tool; (3) grinding the all milled parts of the pulp distributor for the experimentally visual hydraulic headbox; (4) polishing the all grinded parts of the pulp distributor for the experimentally visual hydraulic headbox by utilization of a buffing machine and a flame polisher so as to form a finished product. The method for machining the pulp distributor for the experimentally visual hydraulic headbox has the advantages that the efficiency is high, the precision is high, the repeatability is good, and an obtained finished pulp distributor for the experimentally visual hydraulic headbox can well meet the requirements on flow field measurement and visualization research.
Description
Technical field
The present invention relates to the technical field that dilution water thickens hydraulic pulp flowing box, refer in particular to a kind of processing method of experiment with visual hydraulic headbox pulp distributor of carrying out flow field survey.
Background technology
At present, it is the conventional advanced high speed head box of generally acknowledging in the world that dilution water thickens hydraulic pulp flowing box, the optimization of its equipment performance and the innovation of technology imperative.Pulp distributor is one of critical component of hydraulic pulp flowing box, and in order to the compress that waits realizing paper pulp is starched, domestic and international researcher has carried out correlative study to this, and achieves many important scientific achievements.In order to the requirement making pulp distributor meet pulp distributor flow field survey, obtain visual flow field, the Zeng Jingsong of South China Science & Engineering University etc. have developed a kind of visual pulp distributor of the hydraulic experiment head box carrying out flow field survey and visual research, can meet PIV(Particle Image Velocimetry particle image ve locity instrument) etc. measuring system carry out measuring and visual research.
This pulp distributor is in order to meet the requirement of visible velocity field experiments of measuring simultaneously, use acrylic material makes, there is following problem in its processing: 1. acrylic material has the advantages that transparency is high, hardness is high, but its quality is more crisp, and pulp distributor inwall is made up of irregular complex curved surface, milling tool acquires a certain degree of difficulty.2. in order to improve the visualization of pulp distributor further, follow-uply need carry out polishing to it, and part of trench and turning and irregular complex curved surface cannot use convention polishing methods to complete.
Based on this, the present invention is on the basis meeting engineering practice, overcome experiment by the difficulty in visual hydraulic pulp flowing box pulp distributor process, make to measure pulp distributor by measuring systems such as PIV and visual research becomes feasible, good directive function can be had to engineering practice.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of processing method of carrying out the visual pulp distributor of the hydraulic experiment head box of flow field survey and visual research is provided, thus make the experiment of the flow field of pulp distributor become feasible, good directive function can be had to engineering practice.
For achieving the above object, technical scheme provided by the present invention is:
Test the processing method with visual hydraulic headbox pulp distributor, comprise the following steps:
(1) in three-dimensional engineering software, set up the threedimensional model of experiment each parts of visual hydraulic headbox pulp distributor, the numerical control machining code exporting each parts is for subsequent use;
(2) sheet material is loaded into the workbench of numerical control machine tool, import numerical control machining code, the milling of the experiment each parts of visual hydraulic headbox pulp distributor is completed by numerical control machine tool, wherein, numerical control machine tool use side milling cutter completes experiment with the smooth machined surface milling of visual hydraulic headbox pulp distributor each parts outer wall, and use side milling cutter and ball endmill complete the milling in the experiment each parts turning of visual hydraulic headbox pulp distributor, groove and irregular complex inwall Machining of Curved Surface face;
(3) each parts of visual hydraulic headbox pulp distributor of the experiment after milling are polished, comprise and successively use coarsegrain abrasive material to carry out roughly grinding and use small grain size abrasive material to carry out fine grinding twice program;
(4) with visual hydraulic headbox pulp distributor each parts, polishing is carried out to the experiment after polishing, make finished product, wherein, buffing machine is used to carry out polishing for the experiment smooth machined surface of visual hydraulic headbox pulp distributor each parts outer wall, use fire polishing machine to carry out polishing for the experiment each parts turning of visual hydraulic headbox pulp distributor, groove and irregular complex inwall Machining of Curved Surface face, during polishing, use electrolyte.
Further, the material of described sheet material is acrylic.
Further, described experiment is individually processed with during visual hydraulic headbox pulp distributor departmentalism part processing.
Further, described corase grind program uses 200 ~ 400 order sand paper to polish, and described fine grinding program uses 600 ~ 800 order sand paper to polish, and polishing adopts water as cooling fluid.
Further, when buffing machine carries out polishing, the fine, soft fur bob being moistened with antiscuffing paste is used to carry out polishing.
Compared to existing technology, advantage of the present invention and good effect are:
1., in the present invention, test and adopt the automatic machine-shaping of numerical control machine with visual hydraulic headbox pulp distributor, milling process efficiency is high, error is little, is specially adapted to the milling of irregular complex curved inner wall.This method process velocity is fast, precision is high, meets the needs of the even cloth slurry of experiment, and has stable repeatability.
2., in the present invention, test and adopt sand papering, buffing and flame polish three process to carry out grinding and buffing process with visual hydraulic headbox pulp distributor, be specially adapted to the polishing of irregular complex curved inner wall.Process rear pulp distributor fineness, transparency is high, met the visual needs of experiment, and there is stable repeatability.
Accompanying drawing explanation
Fig. 1 is the visual hydraulic headbox pulp distributor the first half schematic perspective view of experiment.
Fig. 2 is the experiment another schematic perspective view of visual hydraulic headbox pulp distributor the first half.
Fig. 3 is the visual hydraulic headbox pulp distributor the latter half schematic perspective view of experiment.
Fig. 4 is the experiment another schematic perspective view of visual hydraulic headbox pulp distributor the latter half.
Fig. 5 uses PIV to carry out to the visual hydraulic headbox pulp distributor of experiment the polar plot that flow field survey and visual research obtain.
In figure: 1-first plane; 2-second plane; 3-the 3rd plane; 4-first groove; 5-second groove; 6-the 3rd groove; 7-the 4th groove; 8-the 5th groove; 9-first surface; 10-the 4th plane; 11-the 5th plane; 12-second curved surface; 13-the 6th plane; 14-the 7th groove; 15-the 3rd curved surface; 16-the 8th plane.17-the 4th curved surface; 18-the 9th plane; 19-the 6th groove; 20-the 7th groove; 21-the tenth plane; 22-the 11 plane; 23-the 8th groove; 24-the 12 plane; 25-the 13 plane.
Detailed description of the invention
Be described in further detail goal of the invention of the present invention below in conjunction with the drawings and specific embodiments, embodiment can not repeat one by one at this, but therefore embodiments of the present invention are not defined in following examples.
As shown in Figures 1 to 4, the visual hydraulic headbox pulp distributor of the experiment described in the present embodiment comprises the first half, the latter half two parts, and its processing method comprises the following steps:
(1) in three-dimensional engineering software, set up the threedimensional model of experiment each parts of visual hydraulic headbox pulp distributor, the numerical control machining code exporting each parts is for subsequent use, the three-dimensional engineering software of the present embodiment adopts SolidWorks, different nc programs is exported for two parts, optimize the cutting line of NC Machining Process, be conducive to the working (machining) efficiency improving Digit Control Machine Tool;
(2) acryl plates is fixed on promise letter numerical control SK850-D Digit Control Machine Tool, importing numerical control machining code uses D20LBK end mill(ing) cutter to complete the smooth machined surface milling of pulp distributor outer wall, D20LBK end mill(ing) cutter is used to complete the smooth machined surface milling of pulp distributor each parts outer wall, as the first plane 1 in Fig. 1, second plane 2, 3rd plane 3, the 4th plane 10 in Fig. 2, 5th plane 11, 6th plane 13, the 7th plane 14 in Fig. 3, 8th plane 16, 9th plane 18, tenth plane 21, the 11 plane 22 in Fig. 4, 12 plane 24, 13 plane 25, D16LBK end mill(ing) cutter and D8R4SDK ball endmill is used to complete the milling in pulp distributor inwall complex surface machining face, as the 3rd curved surface 15, the 4th curved surface 17 in first surface 9, second curved surface 12, Fig. 3 in Fig. 2, D8LBK end mill(ing) cutter is used to complete the milling of pulp distributor joint portion groove, as the first groove 4, second groove 5 in Fig. 1, the 6th groove 19 in the 3rd groove 6 in Fig. 2, the 4th groove 7, the 5th groove 8, Fig. 3, the 8th groove 23 in the 7th groove 20, Fig. 4, the 9th groove 26.
(3) each parts of visual hydraulic headbox pulp distributor of the experiment after milling are polished, 400 order sand paper corase grind are used during polishing, then use 800 order sand paper fine grindings, polishing adopts water as cooling fluid, because sand paper is more soft in this method bruting process, subsides type is good, large with blank surface contact area, good heat dissipation, and be divided into corase grind and fine grinding twice program, polishing quality is good, is particularly useful for complex-curved polishing.
(4) with visual hydraulic headbox pulp distributor each parts, polishing is carried out to the experiment after polishing, use buffing machine to carry out polishing to experiment with the smooth machined surface of visual hydraulic headbox pulp distributor each parts outer wall, during polishing, use the fine, soft fur bob being moistened with antiscuffing paste; Use fire polishing machine to carry out polishing to experiment with visual hydraulic headbox pulp distributor each member internal walls irregular complex Machining of Curved Surface face and small size groove, during polishing, use electrolyte.Buffing is combined with flame polish by this method, and polishing effect is good, is particularly useful for the polishing of small scale structures.
PIV is used to test the visual hydraulic headbox pulp distributor of the experiment processed, the flow field polar plot of Fig. 5 can be obtained, by this figure, can find out that using this method to process the visual hydraulic headbox pulp distributor of experiment obtained can be good at measuring the flow field characteristic such as flow velocity size, Eddy Distribution of head box pulp distributor, meet the requirement of PIV visualized experiment, certainly use this method to process the experiment obtained and also can carry out other flow-field tests and visual research with visual hydraulic headbox pulp distributor.
In a word, after the above method of employing, the present invention, on the basis meeting engineering practice, can complete the processing to the visual hydraulic headbox pulp distributor of experiment, thus make flow field survey and visual research become feasible, good directive function can be had to engineering practice.Compared to existing technology, the present invention has that working (machining) efficiency is high, precision is high, good, the repeatable advantages of higher of effect of visualization, is the processing method of a kind of desirable experiment with visual hydraulic headbox pulp distributor, is worthy to be popularized.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (5)
1. an experiment processing method for visual hydraulic headbox pulp distributor, is characterized in that, comprise the following steps:
(1) in three-dimensional engineering software, set up the threedimensional model of experiment each parts of visual hydraulic headbox pulp distributor, the numerical control machining code exporting each parts is for subsequent use;
(2) sheet material is loaded into the workbench of numerical control machine tool, import numerical control machining code, the milling of the experiment each parts of visual hydraulic headbox pulp distributor is completed by numerical control machine tool, wherein, numerical control machine tool use side milling cutter completes experiment with the smooth machined surface milling of visual hydraulic headbox pulp distributor each parts outer wall, and use side milling cutter and ball endmill complete the milling in the experiment each parts turning of visual hydraulic headbox pulp distributor, groove and irregular complex inwall Machining of Curved Surface face;
(3) each parts of visual hydraulic headbox pulp distributor of the experiment after milling are polished, comprise and successively use coarsegrain abrasive material to carry out roughly grinding and use small grain size abrasive material to carry out fine grinding twice program;
(4) with visual hydraulic headbox pulp distributor each parts, polishing is carried out to the experiment after polishing, make finished product, wherein, buffing machine is used to carry out polishing for the experiment smooth machined surface of visual hydraulic headbox pulp distributor each parts outer wall, use fire polishing machine to carry out polishing for the experiment each parts turning of visual hydraulic headbox pulp distributor, groove and irregular complex inwall Machining of Curved Surface face, during polishing, use electrolyte.
2. a kind of experiment processing method of visual hydraulic headbox pulp distributor according to claim 1, is characterized in that: the material of described sheet material is acrylic.
3. according to a kind of experiment processing method of visual hydraulic headbox pulp distributor according to claim 1, it is characterized in that: individually process during the visual hydraulic headbox pulp distributor departmentalism part processing of described experiment.
4. a kind of experiment according to claim 1 processing method of visual hydraulic headbox pulp distributor, it is characterized in that: described corase grind program uses 200 ~ 400 order sand paper to polish, described fine grinding program uses 600 ~ 800 order sand paper to polish, and polishing adopts water as cooling fluid.
5. a kind of experiment processing method of visual hydraulic headbox pulp distributor according to claim 1, is characterized in that: when buffing machine carries out polishing, uses the fine, soft fur bob being moistened with antiscuffing paste to carry out polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153189.2A CN104775319A (en) | 2015-03-31 | 2015-03-31 | Method for machining pulp distributor for experimentally visual hydraulic headbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153189.2A CN104775319A (en) | 2015-03-31 | 2015-03-31 | Method for machining pulp distributor for experimentally visual hydraulic headbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104775319A true CN104775319A (en) | 2015-07-15 |
Family
ID=53617063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510153189.2A Pending CN104775319A (en) | 2015-03-31 | 2015-03-31 | Method for machining pulp distributor for experimentally visual hydraulic headbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104775319A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239269A (en) * | 2016-08-23 | 2016-12-21 | 蚌埠精科机床制造有限公司 | The finishing method that a kind of platform of machine tool mirror-polishing processes |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2817780A1 (en) * | 2000-12-11 | 2002-06-14 | Michel Pioch | Numerical control machine tool for cutting profile bars has fixed and movable vices to move work along machining path |
| CN202200155U (en) * | 2011-08-17 | 2012-04-25 | 上海点派企业形象策划有限公司 | Portal-type acryl specially-shaped cambered surface cutting and polishing machine |
| CN102950529A (en) * | 2011-08-17 | 2013-03-06 | 上海点派企业形象策划有限公司 | Equipment and method for cutting and polishing acrylic special-shaped cured surfaces |
| CN103422384A (en) * | 2013-08-08 | 2013-12-04 | 华南理工大学 | Hydraulic power experimental flow box capable of being used for flow field measurement and visualization research |
| CN103437235A (en) * | 2013-08-08 | 2013-12-11 | 华南理工大学 | Hydraulic visualized isobaric step diffuser headbox for experimental headbox |
| CN203429502U (en) * | 2013-08-08 | 2014-02-12 | 华南理工大学 | Visual turbulence generator for hydraulic experimental headbox |
| CN203429503U (en) * | 2013-08-08 | 2014-02-12 | 华南理工大学 | Visual isobaric rectangular tapered pulp distributor for a hydraulic experimental headbox |
-
2015
- 2015-03-31 CN CN201510153189.2A patent/CN104775319A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2817780A1 (en) * | 2000-12-11 | 2002-06-14 | Michel Pioch | Numerical control machine tool for cutting profile bars has fixed and movable vices to move work along machining path |
| CN202200155U (en) * | 2011-08-17 | 2012-04-25 | 上海点派企业形象策划有限公司 | Portal-type acryl specially-shaped cambered surface cutting and polishing machine |
| CN102950529A (en) * | 2011-08-17 | 2013-03-06 | 上海点派企业形象策划有限公司 | Equipment and method for cutting and polishing acrylic special-shaped cured surfaces |
| CN103422384A (en) * | 2013-08-08 | 2013-12-04 | 华南理工大学 | Hydraulic power experimental flow box capable of being used for flow field measurement and visualization research |
| CN103437235A (en) * | 2013-08-08 | 2013-12-11 | 华南理工大学 | Hydraulic visualized isobaric step diffuser headbox for experimental headbox |
| CN203429502U (en) * | 2013-08-08 | 2014-02-12 | 华南理工大学 | Visual turbulence generator for hydraulic experimental headbox |
| CN203429503U (en) * | 2013-08-08 | 2014-02-12 | 华南理工大学 | Visual isobaric rectangular tapered pulp distributor for a hydraulic experimental headbox |
Non-Patent Citations (3)
| Title |
|---|
| 北京航空材料研究院: "《航天材料技术》", 31 December 2013, 航空工业出版社, article "第6.3.5节"座舱透明件加工与抛光技术"", pages: 310-314 * |
| 王丽霞: "从虚拟模型到实物模型", 《机械设计与制造》 * |
| 王学华: "《塑料成型及模具CAD/CAM实验教程》", 31 December 2008, 中国地质大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239269A (en) * | 2016-08-23 | 2016-12-21 | 蚌埠精科机床制造有限公司 | The finishing method that a kind of platform of machine tool mirror-polishing processes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104290002B (en) | A kind of processing method of cylindrical mirror | |
| CN103862346B (en) | Instant center-free envelope grinding method for spiral curved surface of micro milling cutter | |
| Wang et al. | Modeling and analysis of the material removal depth for stone polishing | |
| CN106650021A (en) | Brittle material grinding process modeling simulation method | |
| CN105512400A (en) | Cutting process simulation process for brittle materials | |
| Li et al. | Process modeling of end mill groove machining based on Boolean method | |
| CN106406237A (en) | Method for processing metal part with free-form hook surface | |
| CN103419118A (en) | Grinding and polishing method | |
| CN103760823A (en) | Spherical fine Archimedes spiral line machining method based on UG4.0 | |
| CN108747602A (en) | Utilize the method for circular arc array wheel grinding high order curve section cylinder array structure | |
| CN104775319A (en) | Method for machining pulp distributor for experimentally visual hydraulic headbox | |
| CN202878095U (en) | Multi-station efficient optical fiber grinding machine | |
| CN106052533A (en) | Bidirectional verifier for runner blade, and manufacturing method for bidirectional verifier | |
| CN103692294A (en) | Ultrahigh precision processing method for meter-scale optical element | |
| CN103213068A (en) | Measuring method for obtaining workpiece edge removal function in ultra-precision gasbag polishing technique | |
| CN104727176A (en) | Method for machining visualized hydraulic flowing pulp box turbulence generator for experiments | |
| Yin et al. | Experimental evaluation on texture of flank face on tool wear in chamfer milling of stainless steel | |
| CN104588983B (en) | Machining method for mold with protrusion | |
| CN206936093U (en) | A kind of floating edger | |
| Yang et al. | Research on multi-axis CNC programming in machining large hydraulic turbine's blades based on UG | |
| CN203003173U (en) | Tool setting piece for processing grooves | |
| CN106706457B (en) | A kind of metal material mechanics performance test methods of Under High Strain rate | |
| CN205940403U (en) | Two -way combination calibrator of runner blade draw -in groove formula | |
| CN103286536B (en) | Adopt the method for cold heading technique processing cross recess formpiston | |
| CN203156517U (en) | Grinding tool device for machining curved surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150715 |