CN106392893A - Grinding and polishing system and method for inner surface of elbow pipe of 3D-printed metal part - Google Patents
Grinding and polishing system and method for inner surface of elbow pipe of 3D-printed metal part Download PDFInfo
- Publication number
- CN106392893A CN106392893A CN201610963237.9A CN201610963237A CN106392893A CN 106392893 A CN106392893 A CN 106392893A CN 201610963237 A CN201610963237 A CN 201610963237A CN 106392893 A CN106392893 A CN 106392893A
- Authority
- CN
- China
- Prior art keywords
- metal
- polishing
- printing part
- grinding
- bend pipe
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
Abstract
The invention discloses a grinding and polishing system and method for the inner surface of an elbow pipe of a 3D-printed metal part. The grinding and polishing system comprises a liquid storage pool. A polishing solution is contained in the liquid storage pool. A liquid outlet of the liquid storage pool communicates with an inlet of the elbow pipe of the 3D-printed metal part through a pipeline, and a high-pressure pump is arranged on the pipeline. A liquid return port of the liquid storage pool communicates with an outlet of the elbow pipe of the 3D-printed metal part through a pipeline, and the inlet and the outlet of the elbow pipe of the 3D-printed metal part are connected with the pipelines through threads correspondingly. A stirring device is further arranged in the liquid storage pool. The polishing solution is evenly stirred through the stirring device; and the polishing solution in the liquid storage pool is driven by the high-pressure pump to be injected into the elbow pipe of the 3D-printed metal part along the pipelines, so that residual powder in the elbow pipe is removed, the polishing solution flows back into the liquid storage pool after being used for grinding and polishing the inner surface of the elbow pipe, and thus a cyclic utilization system for the polishing solution is formed. The grinding and polishing system for the inner surface of the elbow pipe of the 3D-printed metal part is reasonable in design, simple in structure, efficient, environmentally friendly, and convenient to use, and high-efficiency and high-quality grinding and polishing of the inner surface of the elbow pipe of the 3D-printed metal part can be achieved.
Description
Technical field
The invention belongs to metal 3D printing technique field is and in particular to the grinding of a kind of metal 3D printing part bend pipe inner surface
Grinding and polishing photosystem and method.
Background technology
Metal 3D printing technique is based on increasing material manufacturing principle, using high energy beam laser fusion metal dust, layer upon layer,
Can the high-performance of the arbitrarily complicated shape of direct forming, high-precision metal product, especially suitable small lot, the system of personalized part
Make.Manufacture the part of high complexity shape with metal 3D printing, not only simplify processing technology, improve efficiency, and mechanicalness
Can be good, each row such as aviation, mould, automobile, biologic medical is widely used in based on the metal 3D printing technique of SLS, SLM etc.
Industry.
But because metal 3D printing has oxidation and viscous powder phenomenon, the various irregular medicine equipment that metal 3D printing manufactures
Endoporus, all kinds of machinery inner chamber of irregular part, can kish in the part bend such as the conformal cooling channel of metal die
Powder, and inner surface of pipeline more coarse it is impossible to meet the use requirement of part.
Content of the invention
It is an object of the invention in place of overcoming the deficiencies in the prior art, there is provided in a kind of metal 3D printing part bend pipe
The grinding and polishing system on surface and method, reasonable in design, structure is simple, and polishing fluid recycles, high-efficiency environment friendly, easy to use,
Achievable metal 3D printing part bend pipe inner surface high efficiency, high-quality grinding and polishing.
One of the technical solution adopted for the present invention to solve the technical problems is：
A kind of grinding and polishing system of metal 3D printing part bend pipe inner surface, including：
Liquid storage pool, size is 75～85mm × 75～85mm × 55～65mm, which is provided with liquid outlet and liquid return hole, goes out liquid
Mouth is less than liquid return hole；It is loaded with polishing fluid, the liquid level of polishing fluid, between liquid outlet and liquid return hole, polishes in liquid storage pool
Liquid according to the mass fraction, is the abrasive material of W10～W50,3～7 parts of dispersants and 88～98 parts of liquid including 1～5 part of wear particle size
Medium；The elbow inlet of liquid outlet and metal 3D printing part passes through pipeline communication and this segment pipe is provided with output pressure 0.1
The high-pressure pump of～1.5MPa, liquid return hole passes through pipeline communication with the winding pipe exit of metal 3D printing part, forms following of polishing fluid
Between ring flow channel, and the elbow inlet of metal 3D printing part and pipeline, the winding pipe exit of metal 3D printing part and pipe
All it is threaded connection between road；
Agitating device, including some stirring vanes of radial arrangement, the length of each stirring vane is 15～25cm, should
Some stirring vanes all submerge under polishing fluid liquid level, and speed of agitator is 50～150rpm；
Control device, is connected with agitating device and high-pressure pump.
In one embodiment：Described agitating device also includes actuator and connecting shaft, and actuator is in transmission connection connecting shaft, described
Each one end of some stirring vanes is fixed in connecting shaft.
In one embodiment：A diameter of 15～25mm of described pipeline.
In one embodiment：A diameter of 8～15mm of described metal 3D printing part bend pipe.
In one embodiment：Described abrasive material is diamond or B4C.
In one embodiment：The power of described high-pressure pump is 100～120W.
The two of the technical solution adopted for the present invention to solve the technical problems are：
A kind of abrasive polishing method of the grinding and polishing system applying above-mentioned metal 3D printing part bend pipe inner surface, bag
Include：Open agitating device polishing fluid stirs；Start high-pressure pump, high-pressure pump drives polishing fluid in liquid storage pool to penetrate along pipeline punching
Enter in metal 3D printing part bend pipe, after removing the powder remaining in bend pipe and bend pipe inner surface being ground with polishing, backflow
Enter liquid storage pool.
Compared with background technology, it has the advantage that the technical program：
The grinding and polishing system of the metal 3D printing part bend pipe inner surface of the present invention, reasonable in design, structure is simple, polishing
Liquid recycles, high-efficiency environment friendly, easy to use, accelerates polishing fluid punching to inject the curved of metal 3D printing part by high-pressure hydraulic pump
Pipe, polishing fluid can remove the metal dust of residual grinding and polishing elbow internal wall in part bend pipe, reaches high efficiency, high-quality
Polishing effect.
Brief description
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the grinding and polishing system schematic diagram of the metal 3D printing part bend pipe inner surface of the present invention.
Fig. 2 is the elbow inlet of metal 3D printing part and winding pipe exit and the showing that pipeline is threaded connection of the present invention
It is intended to.
Reference：Liquid storage pool 1, agitating device 2, polishing fluid 3, control device 4, high-pressure pump 5, pipeline 6, metal 3D printing
The elbow inlet 7 of part, metal 3D printing part 8, the bend pipe 9 of metal 3D printing part, the bend pipe of metal 3D printing part goes out
Mouth 10.
Specific embodiment
Illustrate present disclosure below by embodiment：
Refer to Fig. 1 and Fig. 2, a kind of grinding and polishing system of metal 3D printing part bend pipe inner surface, including：
Liquid storage pool 1, size is long 80mm × wide 80mm × depth 60mm, and its side wall is provided with liquid outlet and liquid return hole, liquid outlet
Less than liquid return hole；It is loaded with polishing fluid 3, the liquid level of polishing fluid 3 is between liquid outlet and liquid return hole in liquid storage pool 1；Go out
Liquid mouth is connected by pipeline 6 with the elbow inlet 7 of metal 3D printing part 8, and liquid return hole is gone out with the bend pipe of metal 3D printing part 8
Mouth 10 is connected by pipeline 6, and form polishing fluid 3 circulates passage, and the elbow inlet 7 of metal 3D printing part and bend pipe
Outlet 10 is all threaded connection with pipeline 6, as shown in Fig. 2 this connected mode can be realized closely connecting, efficiently facilitates,
And the leakage of polishing fluid 3 can be prevented.
Described polishing fluid 3 according to the mass fraction, including 2～4% abrasive materials, 4～6% dispersants such as aliphatic acid and 90～
95% liquid medium such as high purity water；Described abrasive material is diamond or B4C, wear particle size is W20～W40, preferably includes 2%
The diamond abrasive of wear particle size W40,4% dispersant and 94% liquid medium, the polishing fluid stable performance of this formula, cost
Relatively low, preparation process is simple to operation, has grinding and polishing action.
It is provided with agitating device 2, including motor, connecting shaft and 3 stirring vanes, motor is in transmission connection connection in liquid storage pool 1
Axle, each one end of 3 stirring vanes is fixed in connecting shaft radial arrangement, and each stirring vane is all made of stainless steel,
Length is 20cm it is ensured that certain intensity, and this 3 stirring vanes are all submerged under polishing fluid 3 liquid level, driven by motor
Stirring, the range of speeds is 60～130rpm.
Pipeline 6 between the elbow inlet 7 of liquid storage pool 1 liquid outlet and metal 3D printing part 8 be provided with power be 110W,
The high-pressure pump 5 of output pressure 0.15～1MPa.Additionally, being additionally provided with control device 4, control device 4 and agitating device 2 and high-pressure pump
5 are connected, can be to the opening and closing of agitating device 2 and rotating speed, and the opening and closing of high-pressure pump 5 and output pressure are controlled and adjust.
During use, open agitating device 2, motor drives stirring vane to polish in liquid storage pool 1 with the rotating speed of preferred 60rpm
Liquid 3 stirs；Start high-pressure pump 5, high-pressure pump 5 drives polishing fluid 3 in liquid storage pool 1 to accelerate with the output pressure of preferred 0.5MPa
Inject in metal 3D printing part bend pipe 9 along pipeline 6 punching, remove the powder remaining in bend pipe 9 and bend pipe 9 inner surface is ground
After grinding and polishing light, polishing fluid 3 passes back into liquid storage pool 1, forms the cyclic utilization system of polishing fluid 3, cost-effective, environmental protection.
Described metal 3D printing part 8 can be based on the difference 3D such as SLS, SLM by metal materials such as stainless steel, nickel-base alloys and beat
Print technology is molded with, depending on the structure of its interior bend pipe 9 and diameter can be according to the concrete conditions of part.Total comes
Say, more preferably, so, polishing fluid 3 enters in part the effect during diameter with diameter greater than bend pipe in part 9 of pipeline 6 from pipeline 6
During bend pipe 9, because aperture narrows, polishing hydraulic pressure increases rapidly, can bend pipe 9 inner surface be produced preferably clean and grind and throw
Light effect.If but bend pipe 9 diameter is too small, it is unfavorable for cleaning and be easy to block.Preferably, in the feelings of a diameter of 20mm of pipeline 6
Under condition, the diameter of metal 3D printing part bend pipe 9 is preferred with 10mm.
Among the present embodiment, include 2～4% abrasive materials, 4～6% dispersants and 90～95% liquid from polishing fluid 3 and be situated between
Matter, the polishing fluid of this density and property is placed in the liquid storage pool 1 that size is long 80mm × wide 80mm × depth 60mm, in length is
In the case that the stirring vane of 20cm is stirred with the rotating speed of 60～130rpm, ensure that the polishing fluid 3 in whole liquid storage pool 1 obtains
To uniform stirring and abrasive particle is uniformly distributed in the polishing fluid 3 of whole liquid storage pool 1；Coordinate output pressure 0.15～1MPa's again
High-pressure pump 5 is it is ensured that the polishing fluid 3 that is evenly distributed can enter pipeline 6 with enough speed and rush and inject in part bend pipe 9, real
Now quick, effective, the fine cleaning to bend pipe 9 inner surface and grinding and polishing.
The above, only present pre-ferred embodiments, therefore can not limit according to this present invention enforcement scope, that is, according to
Equivalence changes and modification that the scope of the claims of the present invention and description are made, all should still belong in the range of the present invention covers.
Claims (7)
1. a kind of grinding and polishing system of metal 3D printing part bend pipe inner surface it is characterised in that：Including：
Liquid storage pool, size is 75～85mm × 75～85mm × 55～65mm, which is provided with liquid outlet and liquid return hole, liquid outlet is low
In liquid return hole；It is loaded with polishing fluid, the liquid level of polishing fluid between liquid outlet and liquid return hole, press by polishing fluid in liquid storage pool
Mass fraction meter, abrasive material, 3～7 parts of dispersants and 88～98 parts of liquid mediums being W10～W50 including 1～5 part of wear particle size；
The elbow inlet of liquid outlet and metal 3D printing part passes through pipeline communication and this segment pipe be provided with output pressure 0.1～
The high-pressure pump of 1.5MPa, liquid return hole passes through pipeline communication with the winding pipe exit of metal 3D printing part, forms the circulation of polishing fluid
Between flow channel, and the elbow inlet of metal 3D printing part and pipeline, the winding pipe exit of metal 3D printing part and pipeline
Between be all threaded connection；
Agitating device, including some stirring vanes of radial arrangement, the length of each stirring vane is 15～25cm, and this is some
Stirring vane all submerges under polishing fluid liquid level, and speed of agitator is 50～150rpm；
Control device, is connected with agitating device and high-pressure pump.
2. metal 3D printing part bend pipe inner surface according to claim 1 grinding and polishing system it is characterised in that：Institute
State agitating device and also include actuator and connecting shaft, actuator is in transmission connection connecting shaft, each one end of described some stirring vanes
It is fixed in connecting shaft.
3. metal 3D printing part bend pipe inner surface according to claim 2 grinding and polishing system it is characterised in that：Institute
State a diameter of 15～25mm of pipeline.
4. metal 3D printing part bend pipe inner surface according to claim 3 grinding and polishing system it is characterised in that：Institute
State a diameter of 8～15mm of metal 3D printing part bend pipe.
5. metal 3D printing part bend pipe inner surface according to claim 4 grinding and polishing system it is characterised in that：Institute
Stating abrasive material is diamond or B4C.
6. metal 3D printing part bend pipe inner surface according to claim 5 grinding and polishing system it is characterised in that：Institute
The power stating high-pressure pump is 100～120W.
7. the grinding and polishing system of the metal 3D printing part bend pipe inner surface any one of a kind of application claim 1 to 6
System abrasive polishing method it is characterised in that：Including：Open agitating device polishing fluid stirs；Start high-pressure pump, high pressure
Pump drives polishing fluid in liquid storage pool to inject in metal 3D printing part bend pipe along pipeline punching, and the powder remaining in removing bend pipe is simultaneously right
After bend pipe inner surface is ground polishing, pass back into liquid storage pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963237.9A CN106392893A (en) | 2016-11-04 | 2016-11-04 | Grinding and polishing system and method for inner surface of elbow pipe of 3D-printed metal part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963237.9A CN106392893A (en) | 2016-11-04 | 2016-11-04 | Grinding and polishing system and method for inner surface of elbow pipe of 3D-printed metal part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106392893A true CN106392893A (en) | 2017-02-15 |
Family
ID=58013798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610963237.9A Pending CN106392893A (en) | 2016-11-04 | 2016-11-04 | Grinding and polishing system and method for inner surface of elbow pipe of 3D-printed metal part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106392893A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863026A (en) * | 2017-04-14 | 2017-06-20 | 庄巍 | Ornaments method for polishing surface |
| CN107962491A (en) * | 2017-12-27 | 2018-04-27 | 山东中佳电子科技有限公司 | A kind of copper pipe inner wall polishing cleaning systems and its method |
| CN108724014A (en) * | 2018-04-08 | 2018-11-02 | 湖北大学 | A kind of material surface sand face matte management method and apparatus |
| CN110382142A (en) * | 2017-02-28 | 2019-10-25 | Cl产权管理有限公司 | The method for manufacturing medical apparatus |
| CN111633566A (en) * | 2020-06-10 | 2020-09-08 | 浙江博威汽车空调有限公司 | Automobile expansion valve machining tool and using method thereof |
| CN112437712A (en) * | 2018-06-01 | 2021-03-02 | 巴斯夫欧洲公司 | Water erosion grinding method for assembly |
| CN113977930A (en) * | 2021-11-11 | 2022-01-28 | 贵州航越科技有限公司 | Preparation method of shell with built-in pipeline |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100416299B1 (en) * | 2000-09-12 | 2004-01-31 | 익스트루드 혼 코포레이션 | Method and apparatus for abrading the region of intersection between a branch outlet and a passageway in a body |
| CN102873643A (en) * | 2012-10-19 | 2013-01-16 | 湖南大学 | Device and method for polishing symmetrical optical component of small-caliber rotating shaft |
| CN103317426A (en) * | 2013-06-28 | 2013-09-25 | 南阳市永福德不锈钢流体设备有限公司 | Full-automatic internal polishing machine for circular elbow pipes |
| CN103600301A (en) * | 2013-12-03 | 2014-02-26 | 浙江工业大学 | Temperature-control abrasive particle-flow curved-surface turbulence polishing apparatus |
| CN104308691A (en) * | 2014-10-15 | 2015-01-28 | 中山市吉尔科研技术服务有限公司 | Circulating optical lens polishing equipment |
| CN204123278U (en) * | 2014-08-04 | 2015-01-28 | 安徽理工大学 | Suspension grinding material magnetic fluid jet flow generating apparatus |
| CN104985534A (en) * | 2015-05-28 | 2015-10-21 | 重庆钢铁(集团)有限责任公司 | Small-bore steel pipe inner wall surface defect batch processing method |
| CN104999380A (en) * | 2015-07-23 | 2015-10-28 | 长春理工大学 | Abrasive flow polishing device for mold processing |
| CN105563240A (en) * | 2015-12-15 | 2016-05-11 | 广东工业大学 | Self-pressurized high-speed abrasive particle flow hole internal surface polishing device |
-
2016
- 2016-11-04 CN CN201610963237.9A patent/CN106392893A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100416299B1 (en) * | 2000-09-12 | 2004-01-31 | 익스트루드 혼 코포레이션 | Method and apparatus for abrading the region of intersection between a branch outlet and a passageway in a body |
| CN102873643A (en) * | 2012-10-19 | 2013-01-16 | 湖南大学 | Device and method for polishing symmetrical optical component of small-caliber rotating shaft |
| CN103317426A (en) * | 2013-06-28 | 2013-09-25 | 南阳市永福德不锈钢流体设备有限公司 | Full-automatic internal polishing machine for circular elbow pipes |
| CN103600301A (en) * | 2013-12-03 | 2014-02-26 | 浙江工业大学 | Temperature-control abrasive particle-flow curved-surface turbulence polishing apparatus |
| CN204123278U (en) * | 2014-08-04 | 2015-01-28 | 安徽理工大学 | Suspension grinding material magnetic fluid jet flow generating apparatus |
| CN104308691A (en) * | 2014-10-15 | 2015-01-28 | 中山市吉尔科研技术服务有限公司 | Circulating optical lens polishing equipment |
| CN104985534A (en) * | 2015-05-28 | 2015-10-21 | 重庆钢铁(集团)有限责任公司 | Small-bore steel pipe inner wall surface defect batch processing method |
| CN104999380A (en) * | 2015-07-23 | 2015-10-28 | 长春理工大学 | Abrasive flow polishing device for mold processing |
| CN105563240A (en) * | 2015-12-15 | 2016-05-11 | 广东工业大学 | Self-pressurized high-speed abrasive particle flow hole internal surface polishing device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110382142A (en) * | 2017-02-28 | 2019-10-25 | Cl产权管理有限公司 | The method for manufacturing medical apparatus |
| CN106863026A (en) * | 2017-04-14 | 2017-06-20 | 庄巍 | Ornaments method for polishing surface |
| CN107962491A (en) * | 2017-12-27 | 2018-04-27 | 山东中佳电子科技有限公司 | A kind of copper pipe inner wall polishing cleaning systems and its method |
| CN108724014A (en) * | 2018-04-08 | 2018-11-02 | 湖北大学 | A kind of material surface sand face matte management method and apparatus |
| CN112437712A (en) * | 2018-06-01 | 2021-03-02 | 巴斯夫欧洲公司 | Water erosion grinding method for assembly |
| CN112437712B (en) * | 2018-06-01 | 2022-11-29 | 巴斯夫欧洲公司 | Water erosion grinding method for assembly |
| CN111633566A (en) * | 2020-06-10 | 2020-09-08 | 浙江博威汽车空调有限公司 | Automobile expansion valve machining tool and using method thereof |
| CN113977930A (en) * | 2021-11-11 | 2022-01-28 | 贵州航越科技有限公司 | Preparation method of shell with built-in pipeline |
| CN113977930B (en) * | 2021-11-11 | 2023-08-22 | 贵州航越科技有限公司 | Preparation method of shell containing built-in pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106392893A (en) | Grinding and polishing system and method for inner surface of elbow pipe of 3D-printed metal part | |
| CN203044094U (en) | Horizontal type sand mill for coatings | |
| CN207085705U (en) | A kind of self-circulation type building coating agitating device | |
| CN202045116U (en) | Jet flow cleaning and sand supplying device | |
| CN104128891B (en) | Suspension grinding material magnetic fluid jet flow generating apparatus | |
| CN104786157A (en) | Ultrasonic polishing processing device using gas-liquid-solid three-phase abrasive particle flow | |
| CN103286642B (en) | A kind of Fluid magnetic abrasive hole finishing processing device | |
| CN204582987U (en) | A kind of mulser | |
| CN206185702U (en) | Metal 3D prints grinding and polishing system of part return bend internal surface | |
| CN204034664U (en) | A kind of graphene oxide vacuum eddy current stripping off device | |
| CN105834841B (en) | One kind automation loop control multiphase flow eddy flow polishing processing device | |
| CN206104048U (en) | Sand mill that possesses ultrasonic cleaning function | |
| CN109676925B (en) | Material feeding device for 3D printer during working | |
| CN105458900A (en) | Polishing device for inner surface of tubular workpiece | |
| CN102755854B (en) | Stable control method and stable control device for sand feeding system | |
| KR101300691B1 (en) | An ultrasonic generator cutting fluid application system | |
| JP2008065247A (en) | Electrostatic charge image developing toner production device and electromotive non-return device | |
| CN206444676U (en) | A kind of sand mill for producing environment-friendly water-based baking varnish | |
| CN206415429U (en) | A kind of oily oil return apparatus of wire drawing machine wire drawing | |
| CN105170009B (en) | One kind polishing abrasive Flow agitating device | |
| CN205852442U (en) | A kind of chiller of tile edge machine | |
| CN104842224B (en) | The magnetic grinding finishing method and its device of a kind of cone object | |
| CN204275951U (en) | A kind of mould release regenerating unit | |
| CN102229096B (en) | Water circulation system of machining center of automatic finishing machine | |
| CN201249377Y (en) | Double-straight-edge precise polishing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
|
| WD01 | Invention patent application deemed withdrawn after publication |