CN105773318A - Immersed type ultrasonic surface treatment method for polymer 3D printed product - Google Patents
Immersed type ultrasonic surface treatment method for polymer 3D printed product Download PDFInfo
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- CN105773318A CN105773318A CN201510771226.6A CN201510771226A CN105773318A CN 105773318 A CN105773318 A CN 105773318A CN 201510771226 A CN201510771226 A CN 201510771226A CN 105773318 A CN105773318 A CN 105773318A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
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Abstract
The invention discloses an immersed type ultrasonic surface treatment method for a polymer 3D printed product and relates to a surface treatment technology based on an ultrasonic cavitation effect. The surface quality of the printed product is improved. The immersed type ultrasonic surface treatment method for the polymer 3D printed product is characterized in that the roughness treatment of the surface of the product is carried out on the basis of the ultrasonic cavitation principle. The method includes the steps that an ultrasonic grinding device is designed and manufactured and grinding liquid is prepared. The grinding liquid (5) is added in a grinding pond (1), and heating is performed. The 3D printed product (3) is clamped through a support (6), and the position is adjusted. The product is immersed in the grinding liquid, an ultrasonic generation module (2) is started, shock waves generated by blasting of ultrasonic cavitation bubbles are used for driving abrasive materials in the grinding liquid to perform physical impact on the surface of the product, and the surface of the product can be machined. The immersed type ultrasonic surface treatment method for the polymer 3D printed product has the beneficial effects that the requirements for the size and the shape of the product are low, the material applicability is wide, material fusion is avoided because of low-temperature processing, energy consumption is low, and the method is suitable for machining complicated hook faces and the like.
Description
Technical field
The invention belongs to the Surface Machining process field of polymer 3D printed product.Relate to a kind of new process for treating surface based on ultrasonic cavitation, for reducing the surface pattern sense of polymer 3D printed product, improve the surface quality of product.
Background technology
3D printing technique is a kind of based on mathematical model file, use polymer or metal etc. can jointing material, carried out the technology of constructed object by the mode successively printed.The field such as Making mold, industrial design of being everlasting is used to modeling, after be gradually available for the direct manufacture of some products.This technology is at jewel design, industrial design, building, engineering and construction (AEC), automobile, and Aero-Space, dentistry and medical industries, education, GIS-Geographic Information System, civil engineering, military project and other field are all applied to some extent.But 3D printing technique there is also many problems, causing that it runs into bottleneck on promoting the use, one of them is exactly the product surface roughness height of its printing, it is difficult to reach industrial application required standard.The surface topography that the process principle of 3D printing technique determines its product is poor, and 3D printed product generally all can cover complex-curved, traditional grinding technique and equipment has been difficult to the effective processing to its surface.
It is smooth etc. that the PROCESS FOR TREATMENT on current 3D printed product surface mainly includes sand paper polishing, bead-blast, steam, these methods all in various degree there is respective defect.Sand papering be polish in the 3D printed product later stage the most frequently used, use technology widest in area, it is to move back and forth, by staff or Mechanical Driven sand paper, the processing realized surface, its advantage be cheap, equipment requirements is low.The shortcoming of this technology is also fairly obvious, and sand papering precision is difficult to grasp, and owing to melting point polymer is relatively low, sand paper can make workpiece heating with contacting mantle friction, causes that processing was lost efficacy, and this method is also difficult to process smaller product or structure.Bead-blast is that the hand-held nozzle of operator is towards polished object high velocity jet media beads thus reaching the effect of polishing, owing to whole process needs with hand-held nozzle, need artificial constantly conversion process position, and once can only process one, therefore this technology is difficulty with automatization and mass production.Steam smoothing processing method is to be immersed in vapor can by 3D printed product, utilize steam to rise and melt piece surface, thus reaching smooth glittering effect, owing to the method utilizes solvent and the product material principle that mixes to realize, therefore the matching of material and solvent is required comparatively harsh.
Summary of the invention
The method that the present invention proposes the processing of a kind of immersion ultrasonic surface based on ultrasonic cavitation effect, it is achieved the process to polymer 3D printed product surface roughness.Ul-trasonic irradiation can make to produce periodic high frequency tension in flow field and form negative pressuren zone in liquid, and the reduction of pressure makes the gas supersaturation in liquid precipitate out and forms gas core.Constantly grow at ultrasonic activation effect therapeutic method to keep the adverse QI flowing downwards core, collide, merge the bubble forming different scale, under certain condition, some bubble can unexpected collapse, produce several thousand atmospheric pressure about and form micro laser wave, discharge huge energy, and to produce speed be the microjet that 100m/s magnitude has powerful impulsive force, make collision density up to 1.5kg/cm2, moment produces localized hyperthermia's high pressure (up to 5000K, 1800atm), here it is ultrasonic cavitation effect.And the effective ingredient in grinding fluid is the abrasive material such as diamond or corundum microgranule, in ultrasonic cavitation field, violent high density cavitation can make the suspension grinding material granule high speed impact surface of the work carried in liquid realize the processing to surface of the work.This is a kind of brand-new method of surface finish, it have the size and dimension to product require low, the suitability of material is wide, machining at low temperature to avoid material molten, energy consumption are low, be suitable for the outstanding advantages such as processed complex curved surface.
Technical scheme: first, design and manufacture ultrasound wave grinding attachment, it is mainly occurred by grinding pond (1), ultrasound wave and amplifying device (2), temperature control system (4) three parts are constituted.Secondly, configuration grinding fluid (5), the principle active component of grinding fluid (5) is the abrasive material such as diamond or corundum microgranule, selects the parameter such as proportioning of the particle diameter of microgranule, the proportioning of emulsifying agent, regulator according to the surface quality of product to be processed.After grinding pond (1) adds certain density grinding fluid (5), utilize temperature control system (4) by grinding fluid (5) heating to temperature required, to reach good ground effect.The support in container (6) is utilized to regulate the 3D printed product (3) position in sound field.Polymer 3D printed product (3) is immersed in grinding fluid (5), start ultrasound wave generation module (2), the shock wave that ultrasonic cavitation bubble explosion produces is utilized to drive the abrasive material in grinding fluid (5) that product surface is carried out physical impact, it is achieved the surface treatment to product.
The immersion ultrasonic surface processing method of the present invention make use of supersonic cavity principle to realize the surface physics grinding to 3D printed product, the method has grinding accuracy height, grinding object material limiting factor is few, convenient and safe, the time is short, can grinding complex product surface, be prone to the plurality of advantages such as mass and automated production.One of potential important technology becoming process polymer 3D printed product of the method, has great application prospect and market value.
Accompanying drawing explanation
Fig. 1 is ultrasonic grinding assembling schematic diagram.
In figure: (1) grinding pond；(2) ultrasound wave generation module；(3) processed product；(4) temperature control system；(5) grinding fluid；(6) adjustable clamp bracket
Detailed description of the invention
Specific embodiments of the invention are described in detail below in conjunction with technical scheme and accompanying drawing.
Step one: configuring grinding fluid (5) according to the degree of roughness on the matrix material of processed product (3) and surface, the selection of the abrasive grain particle diameter in grinding fluid (5) is relevant with the degree of roughness of product surface.Adding in the grinding pond (1) in ultrasound wave equipment for grinding by the grinding fluid (5) prepared, start-up temperature controls module (4), the temperature that heating extremely sets；
Step 2: the features of shape according to processed product (3), select suitable clamp bracket (6), enable processed product to be immersed in grinding fluid (5) but not with the bottom surface of grinding pond (1) or sidewall contact, can simultaneously at support (6) the multiple generation converted productss of upper clamping, or in grinding fluid (5), place multiple supports, be used for realizing the mass processing of product.
Step 3: adjust on equipment for grinding the parameters such as the amplitude of ultrasonic wave module (2), power, grinding time, itself and product to be ground (3) is made to match, start ultrasound wave generation module (2) and send ultrasound wave, now ultrasound wave can make grinding fluid (5) produce substantial amounts of cavitation bubble, these microbubbles can continuous collapse, produce micro laser wave drive abrasive material high speed impact product surface.
Step 4: the time to be processed reaches ultrasonic wave module after the time set in advance and closes, take out processed product (3), carry out measuring surface form, if reaching the processing request course of processing to terminate, if not up to processing request, adjust the parameter of ultrasonic wave module (2), repeat above step and be processed further.
Claims (4)
1. the immersion ultrasonic surface treatment method for polymer 3D printed product, it is characterised in that: this process employs the principle of ultrasonic cavitation and realize the process to polymer 3D printed product surface roughness.Its method is: first, and design and manufacture ultrasound wave grinding attachment and material and surface character according to processed product configure grinding fluid (5).After grinding pond (1) adds certain density grinding fluid (5), by grinding fluid (5) heating to temperature required, to reach good ground effect.Utilize the support (6) clamping 3D printed product (3) in container, regulate product position in sound field by clamp bracket (6).Simultaneously at support (6) the multiple processed products of upper clamping, or multiple supports can be placed in grinding fluid (5), be used for realizing the mass processing of product.Polymer 3D printed product (3) is immersed in grinding fluid (5), start ultrasound wave generation module (2), the shock wave that ultrasonic cavitation bubble explosion produces is utilized to drive the abrasive material in grinding fluid (5) that product surface is carried out physical impact, it is achieved the processing to product surface.The method have the size and dimension to product require low, the suitability of material is wide, machining at low temperature to avoid material molten, energy consumption are low, be suitable for the outstanding advantages such as processed complex curved surface.
2. utilize the ultrasound wave grinding attachment described in claim 1, it is characterized in that: this device is made up of grinding pond (1), ultrasonic wave module (2), temperature control system (4), packaged type clamp bracket (6), wherein there are two kinds of designs the position of ultrasound wave generation module, one designs bottom grinding pond and surrounding (scheme one), and another kind is positioned only at (scheme two) bottom grinding pond；Temperature control system includes temperature detector, temperature controller and heater section.
3. utilize the configuration of grinding fluid (5) described in claim 1, it is characterized in that: its principle active component is the abrasive material such as diamond or corundum microgranule, make it be more suitable for the Surface Machining of different polymeric materials according to parameters such as the proportionings of the surface quality of the product to be processed selection particle diameter of microgranule, the proportioning of emulsifying agent, regulator and material softening liquid.
4. utilize the design of the clamp bracket (6) of processed product described in claim 1, it is characterized in that: clamp bracket (6) is adjustable support, processed product (3) can be made can be immersed in grinding fluid (5) but not with the bottom surface of grinding pond (1) or sidewall contact, clamp bracket (6) can carry out movement and the adjustment of position, upper and lower, left and right in grinding pond (1) simultaneously, thus in order to adjust the processed product (3) position in sound field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771226.6A CN105773318A (en) | 2015-11-12 | 2015-11-12 | Immersed type ultrasonic surface treatment method for polymer 3D printed product |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510771226.6A CN105773318A (en) | 2015-11-12 | 2015-11-12 | Immersed type ultrasonic surface treatment method for polymer 3D printed product |
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| CN105773318A true CN105773318A (en) | 2016-07-20 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899526A (en) * | 2017-11-07 | 2018-04-13 | 中国石油大学(华东) | A kind of sonochemical process device for weakening standing wave effect based on reflecting plate topological structure |
| CN109623510A (en) * | 2019-01-22 | 2019-04-16 | 宁波舜宇红外技术有限公司 | A kind of polishing method of optical lens surface |
| CN110976883A (en) * | 2019-12-10 | 2020-04-10 | 昆明理工大学 | Method for reducing surface roughness of complex structure of selective melting 3D printing metal |
| EP3659721A1 (en) | 2018-11-27 | 2020-06-03 | Rolls-Royce plc | Finishing a surface of a component made by additive manufacturing |
| WO2020207695A1 (en) * | 2019-04-12 | 2020-10-15 | Rolls-Royce Plc | A method and apparatus for finishing a surface of a component |
| CN113502388A (en) * | 2021-07-23 | 2021-10-15 | 山东大学 | Device and method for strengthening treatment of inner hole wall surface with super-large length-diameter ratio |
| US11292102B2 (en) | 2017-12-29 | 2022-04-05 | Saint-Gobain Abrasives, Inc. | Abrasive buffing articles |
| CN115058585A (en) * | 2022-06-28 | 2022-09-16 | 北京理工大学 | Ultrasonic cavitation impact reduction and homogenization method for residual stress of complex curved surface component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899526A (en) * | 2017-11-07 | 2018-04-13 | 中国石油大学(华东) | A kind of sonochemical process device for weakening standing wave effect based on reflecting plate topological structure |
| CN107899526B (en) * | 2017-11-07 | 2020-02-07 | 中国石油大学(华东) | Sonochemistry processing device for weakening standing wave effect based on reflecting plate topological structure |
| US11292102B2 (en) | 2017-12-29 | 2022-04-05 | Saint-Gobain Abrasives, Inc. | Abrasive buffing articles |
| CN111299592B (en) * | 2018-11-27 | 2024-01-12 | 劳斯莱斯有限公司 | Finishing the surface of a part made by additive manufacturing |
| EP3659721A1 (en) | 2018-11-27 | 2020-06-03 | Rolls-Royce plc | Finishing a surface of a component made by additive manufacturing |
| CN111299592A (en) * | 2018-11-27 | 2020-06-19 | 劳斯莱斯有限公司 | Modifying a surface of a component prepared by additive manufacturing |
| US11123840B2 (en) | 2018-11-27 | 2021-09-21 | Rolls-Royce Plc | Finishing a surface of a component made by additive manufacturing |
| CN109623510A (en) * | 2019-01-22 | 2019-04-16 | 宁波舜宇红外技术有限公司 | A kind of polishing method of optical lens surface |
| CN114025915A (en) * | 2019-04-12 | 2022-02-08 | 劳斯莱斯有限公司 | Method and apparatus for polishing a surface of a component |
| WO2020207695A1 (en) * | 2019-04-12 | 2020-10-15 | Rolls-Royce Plc | A method and apparatus for finishing a surface of a component |
| CN110976883A (en) * | 2019-12-10 | 2020-04-10 | 昆明理工大学 | Method for reducing surface roughness of complex structure of selective melting 3D printing metal |
| CN113502388A (en) * | 2021-07-23 | 2021-10-15 | 山东大学 | Device and method for strengthening treatment of inner hole wall surface with super-large length-diameter ratio |
| CN115058585A (en) * | 2022-06-28 | 2022-09-16 | 北京理工大学 | Ultrasonic cavitation impact reduction and homogenization method for residual stress of complex curved surface component |
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Application publication date: 20160720 |
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