CN108789141A - A kind of engaging workpiece convenient for honing - Google Patents
A kind of engaging workpiece convenient for honing Download PDFInfo
- Publication number
- CN108789141A CN108789141A CN201810563516.5A CN201810563516A CN108789141A CN 108789141 A CN108789141 A CN 108789141A CN 201810563516 A CN201810563516 A CN 201810563516A CN 108789141 A CN108789141 A CN 108789141A
- Authority
- CN
- China
- Prior art keywords
- baffle
- honing
- fixed block
- card slot
- engaging workpiece
- 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.)
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Classifications
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a kind of engaging workpiece convenient for honing, including fixing groove, fixed block and card slot, it is characterised in that：The fixed block both ends are connect with two madial wall of fixing groove, and several equally distributed card slots are equipped in fixed block, the card slot bottom is equipped with the first baffle being fixedly connected, and the madial wall in the middle part of card slot is equipped with several equally distributed regulating tanks, movable arc-shaped fixture block is equipped in the regulating tank, it is connect with regulating tank inner wall by hydraulic stem on the inside of the arc-shaped fixture block, electric hydraulic controller is equipped in the fixed block, the electric hydraulic controller is connect with hydraulic stem respectively by hydraulic connecting pipe, the design operation is simple, comprehensive practical is strong, use easy to spread.
Description
Technical field：
The present invention relates to Honing process technical fields, and in particular to a kind of engaging workpiece convenient for honing.
Background technology：
Honing is a kind of low speed filing, and Honing process is because surface quality characteristic is good, high precision machining, process economics, quilt
It is widely used in the precise machining process in the hole of processing best bright finish, high dimensional accuracy and high form accuracy.
In existing honing disc cassette fixer, for fixation not smart enoughization of pipeline, and same fixation is being carried out
When, cannot effectively ensure all pipelines can reach the fixation tightness of setting.
Invention content：
The prior art is difficult to meet the needs of people, above-mentioned in order to solve the problems, such as, the present invention proposes one kind just
In the engaging workpiece of honing.
To achieve the above object, the present invention provides the following technical solutions：A kind of engaging workpiece convenient for honing, including fixation
Slot, fixed block and card slot, it is characterised in that：The fixed block both ends are connect with two madial wall of fixing groove, and are equipped in fixed block
Several equally distributed card slots, the card slot bottom is equipped with the first baffle being fixedly connected, and is set on the madial wall in the middle part of card slot
There are several equally distributed regulating tanks, movable arc-shaped fixture block is equipped in the regulating tank, is led on the inside of the arc-shaped fixture block
It crosses hydraulic stem to connect with regulating tank inner wall, electric hydraulic controller is equipped in the fixed block, the electric hydraulic controller is logical
Hydraulic connecting pipe is crossed to connect with hydraulic stem respectively.
Preferably, the first baffle upper end is equipped with the second baffle to match with card slot, and first baffle and second gear
First pressure inductor is equipped between plate.
Further, the first baffle and second baffle are by several connecting rods being uniformly interspersed and fixed ring group
At.
Further, the first pressure inductor is electrically connected with electric hydraulic controller.
Preferably, the fixed block both sides are connect by several equally distributed fixed links with fixing groove both sides.
Preferably, the fixing groove bottom is triangular prism shaped, and fixing groove bottom is equipped with diversion trench, and the diversion trench is certainly
Groove body from height to low dip, and diversion trench lowermost end be equipped with osculum.
Preferably, Antiskid abrasion-resistant rubber layer, the Antiskid abrasion-resistant rubber layer and circular arc are equipped on the outside of the arc-shaped fixture block
Second pressure inductor is equipped between shape fixture block.
Further, the second pressure inductor is electrically connected with electric hydraulic controller.
Further, the Antiskid abrasion-resistant rubber layer is made of following parts by weight：Nitrile rubber 50-70, Rare-earth Cis fourth rubber
Glue 10-20, kaolin 5-10, sepiolite powder 5-10, ultra-fine polytetrafluorethylepowder powder 1-5, C5 hydrogenated petroleum resin 1-5, activity
Charcoal 2-5, accelerating agent 0.5-2, anti-aging agent 0.5-2, anti-recovery agent 0.5-2, lubricant 0.5-2；By being passed through after stir mixing
Extruder for shaping is crossed to be made.
The kaolin is handled through intercalation modifying, and specific method of modifying is：It is first with 20-25 DEG C of water that water process grade is more
Saturated solution is made in polyglutamic acid, adds calcined kaolin powder, and utilize microwave reactor microwave return stirring 5-
Microwave return stirring 5-10min, gained mixture are centrifuged again after 10min, stopping 15-30min, remove supernatant liquor,
Residue is sent into freeze drier, and micro mist is made to get polyglutamic acid/kaolin through micronizer in dry obtained solid
Intercalated compound powder.
The water process grade polyglutamic acid, calcined kaolin powder mass ratio be 5-10:1-2.
Polyglutamic acid enters kaolin interlayer, after kaolin interlamellar spacing is extended to insertion by the 1nm before being inserted into
1.23nm, 95% or more intercalation rate；Polyglutamic acid is arranged in a manner of being parallel to kaolin lamella in single layer in kaolin interlayer
Row, contained carboxyl form hydrogen bond, the oxygen atom shape of contained amino and kaolin silica layer with kaolinic inner surface hydroxyl
At hydrogen bond.
The sepiolite powder is through the filling-modified processing of physics, specific method of modifying：Sepiolite powder is heated to 120-
Deionized water is added when after naturally cool to 50 DEG C or less in 130 DEG C of insulated and stirreds, adds N hydroxymethyl acrylamide, and profit
It is reacted with microwave reactor microwave return stirring, waits for that lotion is made in the reduced pressure of gained mixture after self-crosslinking reaction,
Lotion is sent into after cooled to room temperature in freeze drier, dry obtained solid through micronizer be made micro mist to get
Aqueous Acrylate Resin Filling sepiolite powder.
The sepiolite powder, deionized water, N hydroxymethyl acrylamide mass ratio be 5-10:30-50:1-5.
N hydroxymethyl acrylamide forms acrylic resin, and the acrylic resin generated under microwave action through self-crosslinking
Immediately it incorporates in the molecular channel of sepiolite, to enhance the fillibility that sepiolite is used as filler by physics filling mode
Energy.
The operating condition of the microwave reactor is microwave frequency 2450MHz, output power 700W.
The lubricant is made of aluminium-magnesium silicate, rilanit special and trihydroxymethylpropanyltri diglycidyl ether, specific
Preparation method is：Aluminium-magnesium silicate is heated to 115-125 DEG C of insulated and stirred, adds rilanit special and trimethylolpropane tris
Glycidol ether continues in 115-125 DEG C of insulated and stirred, until gained lotion viscosity no longer changes, then with 5-10 DEG C/min
Cooling rate be cooled to subzero 10-5 DEG C, and heat preservation stands 2h at subzero 10-5 DEG C, and obtained solid is extensive in natural environment
Again to room temperature, micro mist most is made to get lubricant through micronizer afterwards.
The aluminium-magnesium silicate, rilanit special, trihydroxymethylpropanyltri diglycidyl ether mass ratio be 1-5:0.1-1:
0.1-1。
Compared with prior art, the beneficial effects of the invention are as follows：
Using the combined use of first pressure inductor and second pressure inductor, arc-shaped fixture block is realized to honing tube
Automatic fixation, and can effectively ensure that the fixed height of honing tube and fixing compact degree, be arranged in fixing groove bottom
Diversion trench enables grinding fluid to be discharged from discharge outlet automatically by diversion trench using gravity.
Antiskid abrasion-resistant rubber layer is aided with filler kaolin, sea using nitrile rubber and rare earth polybutadiene rubber as rubber major ingredient
Sealing ring is made in afrodite powder and multiple functions auxiliary agent, and made Antiskid abrasion-resistant rubber layer has good mechanical property, especially has
There are excellent resistance to low temperature, oil resistance and incompressible deformation performance, greatly extends whole service life.The design
Easy to operate, comprehensive practical is strong, use easy to spread.
Description of the drawings：
Fig. 1 is the overlooking structure diagram of the present invention；
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1 of the present invention；
Fig. 3 is the main structure diagram of the present invention；
Fig. 4 is the side structure schematic view of the present invention；
In figure：1- fixing grooves, 2- fixed links, 3- card slots, the arc-shaped fixture blocks of 4-, 5- first baffles, 6- fixed blocks, 7- are electronic
Fluid pressure governor, 8- hydraulic stems, 9- first pressures inductor, 10- osculums, 11- diversion trenches, 12- regulating tanks, 13- are anti-skidding resistance to
Rubber milling layer, 14- second pressures inductor, 15- second baffles.
Specific implementation mode：
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Embodiment 1, a kind of engaging workpiece convenient for honing, including fixing groove 1, fixed block 6 and card slot 3, the fixed block 6
The 1 liang of madial wall in both ends and fixing groove is connect, and several equally distributed card slots 3 are equipped in fixed block 6, and 3 bottom of the card slot is set
There is the first baffle 5 being fixedly connected, and the madial wall at 3 middle part of card slot is equipped with several equally distributed regulating tanks 12, the tune
It saves and is equipped with movable arc-shaped fixture block 4 in slot 12,4 inside of the arc-shaped fixture block is connected by hydraulic stem 8 and 12 inner wall of regulating tank
Connect, be equipped with electric hydraulic controller 7 in the fixed block 6, the electric hydraulic controller 7 by hydraulic connecting pipe respectively with liquid
Compression bar 8 connects.
5 upper end of the first baffle is equipped with the second baffle 15 to match with card slot 3, and first baffle 5 and second baffle
First pressure inductor 9 is equipped between 15.
The first baffle 5 and second baffle 15 are made of several connecting rods being uniformly interspersed and fixed ring.
The first pressure inductor 9 is electrically connected with electric hydraulic controller 7.
6 both sides of the fixed block are connect by several equally distributed fixed links 2 with 1 both sides of fixing groove.
1 bottom of the fixing groove is triangular prism shaped, and 1 bottom of fixing groove is equipped with diversion trench 11, and the diversion trench 11 is certainly
Groove body from height to low dip, and 11 lowermost end of diversion trench be equipped with osculum 10.
The outside of the arc-shaped fixture block 4 is equipped with Antiskid abrasion-resistant rubber layer 13, the Antiskid abrasion-resistant rubber layer 13 with it is arc-shaped
Second pressure inductor 14 is equipped between fixture block 4.
The second pressure inductor 14 is electrically connected with electric hydraulic controller 7.
The present invention is used for the engaging workpiece convenient for honing, when in use, pipeline is inserted into card slot 3, when first pressure sense
When the value of device 9 being answered to reach setting value, start electric hydraulic controller 7, arc-shaped fixture block 4 is made to carry out automatic fastening to pipeline, when
When the value of second pressure inductor 14 is all greater than setting value, stop electric hydraulic controller 7, all pipelines, which can reach, to be set
Fixed fixation degree, it is fixed to complete.
Embodiment 2
Place same as Example 1 is not repeated that difference from Example 1 is：The anti-skidding cushion rubber layer by
Following parts by weight composition：Nitrile rubber 60kg, rare earth polybutadiene rubber 10kg, kaolin 5kg, sepiolite powder 5kg, ultra-fine polytetrafluoro
Ethylene powder 2kg, C5 hydrogenated petroleum resin 2kg, accelerating agent 0.5kg, anti-aging agent 0.5kg, activated carbon 3kg, anti-recovery agent
0.5kg, lubricant 0.5kg；By being made by extruder for shaping after stir mixing.
Embodiment 3
Place same as Example 2 is not repeated that difference from Example 2 is：The preparation of lubricant：Lubricant
It prepares：3kg aluminium-magnesium silicates are heated to 115-125 DEG C of insulated and stirred, add tri- hydroxyl first of 0.5kg rilanit specials and 0.3kg
Base propane triglycidyl ether continues in 115-125 DEG C of insulated and stirred, until gained lotion viscosity no longer changes, then with 5-
The cooling rate of 10 DEG C/min is cooled to subzero 10-5 DEG C, and heat preservation stands 2h at subzero 10-5 DEG C, and obtained solid is in nature
Restore in environment to room temperature, micro mist most is made to get lubricant through micronizer afterwards.
Embodiment 4
Place same as Example 2 is not repeated that difference from Example 2 is：The modification of sepiolite powder：By 10kg
Sepiolite powder is heated to 120-130 DEG C of insulated and stirred, after naturally cool to 50kg deionized waters are added at 50 DEG C or less, adds
5kg N hydroxymethyl acrylamides, and stirred using the reflux of the microwave reactor microwave of microwave frequency 2450MHz, output power 700W
Reaction is mixed, waits for that lotion is made in the reduced pressure of gained mixture after self-crosslinking reaction, lotion is after cooled to room temperature
It is sent into freeze drier, micro mist is made to get Aqueous Acrylate Resin Filling sepiolite powder through micronizer in dry obtained solid.
Embodiment 5
Place same as Example 2 is not repeated that difference from Example 2 is：Modifying kaolin：First with
Saturated solution is made in 8kg water process grade polyglutamic acids by 20-25 DEG C of water, adds 2kg calcined kaolin powder, and utilize micro-
Microwave returns again after the microwave reactor microwave return stirring 10min of wave frequency rate 2450MHz, output power 700W, stopping 15min
Stream stirring 10min, gained mixture are centrifuged, and supernatant liquor, residue is gone to be sent into freeze drier, and dry gained is solid
Micro mist is made to get polyglutamic acid/kaolin intercalation composite powder through micronizer in body.
Embodiment 6
Place same as Example 2 is not repeated that difference from Example 2 is：Modifying kaolin：First with
Saturated solution is made in 8kg water process grade polyglutamic acids by 20-25 DEG C of water, adds 2kg calcined kaolin powder, and utilize micro-
Microwave returns again after the microwave reactor microwave return stirring 10min of wave frequency rate 2450MHz, output power 700W, stopping 15min
Stream stirring 10min, gained mixture are centrifuged, and supernatant liquor, residue is gone to be sent into freeze drier, and dry gained is solid
Micro mist is made to get polyglutamic acid/kaolin intercalation composite powder through micronizer in body.
The modification of sepiolite powder：10kg sepiolite powders are heated to 120-130 DEG C of insulated and stirred, after naturally cool to 50 DEG C
50kg deionized waters are added when following, add 5kg N hydroxymethyl acrylamides, and utilize microwave frequency 2450MHz, output
The microwave reactor microwave return stirring of power 700W reacts, and waits for that gained mixture being concentrated under reduced pressure after self-crosslinking reaction and makes
At lotion, lotion is sent into after cooled to room temperature in freeze drier, and dry obtained solid is made micro- through micronizer
Powder is to get Aqueous Acrylate Resin Filling sepiolite powder.
The preparation of lubricant：3kg aluminium-magnesium silicates are heated to 115-125 DEG C of insulated and stirred, add 0.5kg hydrogenated castors
Oil and 0.3kg trihydroxymethylpropanyltri diglycidyl ethers continue in 115-125 DEG C of insulated and stirred, until gained lotion viscosity is not
Change again, be then cooled to subzero 10-5 DEG C with the cooling rate of 5-10 DEG C/min, and heat preservation stands 2h at subzero 10-5 DEG C,
Obtained solid is restored in natural environment to room temperature, and micro mist most is made to get lubricant through micronizer afterwards.
Comparative example 1
Place same as Example 1 is not repeated that difference from Example 1 is：The anti-skidding cushion rubber layer by
Following parts by weight composition：Nitrile rubber 60kg, rare earth polybutadiene rubber 10kg, sepiolite powder 5kg, ultra-fine polytetrafluorethylepowder powder
2kg, C5 hydrogenated petroleum resin 2kg, accelerating agent 0.5kg, anti-aging agent 0.5kg, anti-recovery agent 0.5kg, lubricant 0.5kg；
By being made by extruder for shaping after stir mixing.
Comparative example 2
Place same as Example 1 is not repeated that difference from Example 1 is：The anti-skidding cushion rubber layer by
Following parts by weight composition：Nitrile rubber 60kg, rare earth polybutadiene rubber 10kg, kaolin 5kg, ultra-fine polytetrafluorethylepowder powder 2kg,
C5 hydrogenated petroleum resins 2kg, accelerating agent 0.5kg, anti-aging agent 0.5kg, anti-recovery agent 0.5kg, activated carbon 3kg, lubricant
0.5kg；By being made by extruder for shaping after stir mixing.
Comparative example 3
Place same as Example 1 is not repeated that difference from Example 1 is：The anti-skidding cushion rubber layer by
Following parts by weight composition：Nitrile rubber 60kg, rare earth polybutadiene rubber 10kg, kaolin 5kg, sepiolite powder 5kg, ultra-fine polytetrafluoro
Ethylene powder 2kg, C5 hydrogenated petroleum resin 2kg, accelerating agent 0.5kg, anti-aging agent 0.5kg, anti-recovery agent 0.5kg；Pass through
It is made by extruder for shaping after stir mixing.
Comparative example 4
Place same as Example 1 is not repeated that difference from Example 1 is：The anti-skidding cushion rubber layer by
Following parts by weight composition：Nitrile rubber 60kg, rare earth polybutadiene rubber 10kg, ultra-fine polytetrafluorethylepowder powder 2kg, C5 hydrotreated petroleum
Resin 2kg, activated carbon 3kg, accelerating agent 0.5kg, anti-aging agent 0.5kg, anti-recovery agent 0.5kg；By being passed through after stir mixing
Extruder for shaping is crossed to be made.
The conveyer belt for installing made anti-skidding cushion rubber layer is tested for the property：
Compression set test condition：100 DEG C × for 24 hours × 25%
The cold-resistant coefficient test condition of compression：-50℃
Anti-aging property test condition：100℃×24h
The hydraulic oil of resistance to 15# test condition：100℃×24h
The performance test result of the made anti-skidding cushion rubber layer of the table 1-1 present invention
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of engaging workpiece convenient for honing, including fixing groove, fixed block and card slot, it is characterised in that：The fixed block two
End is connect with two madial wall of fixing groove, and several equally distributed card slots are equipped in fixed block, and the card slot bottom, which is equipped with, to be fixed
The first baffle of connection, and the madial wall in the middle part of card slot is equipped with several equally distributed regulating tanks, is equipped in the regulating tank
Movable arc-shaped fixture block, the arc-shaped fixture block inside are connect with regulating tank inner wall by hydraulic stem, are set in the fixed block
There are electric hydraulic controller, the electric hydraulic controller to be connect respectively with hydraulic stem by hydraulic connecting pipe.
2. a kind of engaging workpiece convenient for honing according to claim 1, it is characterised in that：The first baffle upper end is set
There is the second baffle to match with card slot, and is equipped with first pressure inductor between first baffle and second baffle.
3. a kind of engaging workpiece convenient for honing according to claim 2, it is characterised in that：The first pressure inductor
It is electrically connected with electric hydraulic controller.
4. a kind of engaging workpiece convenient for honing according to claim 2, it is characterised in that：The first baffle and second
Baffle is made of several connecting rods being uniformly interspersed and fixed ring.
5. a kind of engaging workpiece convenient for honing according to claim 1, it is characterised in that：On the outside of the arc-shaped fixture block
Equipped with Antiskid abrasion-resistant rubber layer, second pressure inductor is equipped between the Antiskid abrasion-resistant rubber layer and arc-shaped fixture block.
6. a kind of engaging workpiece convenient for honing according to claim 5, it is characterised in that：The second pressure inductor
It is electrically connected with electric hydraulic controller.
7. a kind of engaging workpiece convenient for honing according to claim 5, it is characterised in that：The Antiskid abrasion-resistant rubber layer
It is made of following parts by weight：It is nitrile rubber 50-70, rare earth polybutadiene rubber 10-20, kaolin 5-10, sepiolite powder 5-10, ultra-fine
Polytetrafluorethylepowder powder 1-5, C5 hydrogenated petroleum resin 1-5, activated carbon 2-5, accelerating agent 0.5-2, anti-aging agent 0.5-2, sulfuration resistant
Revert agent 0.5-2, lubricant 0.5-2；By being made by extruder for shaping after stir mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563516.5A CN108789141A (en) | 2018-06-04 | 2018-06-04 | A kind of engaging workpiece convenient for honing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563516.5A CN108789141A (en) | 2018-06-04 | 2018-06-04 | A kind of engaging workpiece convenient for honing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108789141A true CN108789141A (en) | 2018-11-13 |
Family
ID=64090379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810563516.5A Pending CN108789141A (en) | 2018-06-04 | 2018-06-04 | A kind of engaging workpiece convenient for honing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108789141A (en) |
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|---|---|---|---|---|
| CN202006421U (en) * | 2011-01-07 | 2011-10-12 | 深圳崇达多层线路板有限公司 | Novel grinding bench for PCB (Printed Circuit Board) board face flash |
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| KR20170114135A (en) * | 2016-04-05 | 2017-10-13 | (주)삼원하이텍 | Ballast pipe processing device for inserting the jig for preventing distortion |
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| CN107363681A (en) * | 2017-08-23 | 2017-11-21 | 芜湖凝鑫机械有限公司 | Mold polishing device with dust collector |
| CN107322033A (en) * | 2017-08-28 | 2017-11-07 | 安徽中悦汽车部件有限公司 | A kind of automotive hub Full-automatic drilling process equipment |
| CN107855800A (en) * | 2017-11-14 | 2018-03-30 | 杭州万鼎实业有限公司 | Automotive hub flange pinpoints support fixture |
| CN207616171U (en) * | 2017-12-27 | 2018-07-17 | 湖北三叶机电制造股份有限公司 | A kind of adjustable work piece holder |
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Application publication date: 20181113 |
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| RJ01 | Rejection of invention patent application after publication |