CN106695462A - Hydrodynamic suspension grinding and polishing integrated polishing angle adjustable device - Google Patents
Hydrodynamic suspension grinding and polishing integrated polishing angle adjustable device Download PDFInfo
- Publication number
- CN106695462A CN106695462A CN201611129490.0A CN201611129490A CN106695462A CN 106695462 A CN106695462 A CN 106695462A CN 201611129490 A CN201611129490 A CN 201611129490A CN 106695462 A CN106695462 A CN 106695462A
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- China
- Prior art keywords
- polishing
- plate
- straight line
- grinding
- angle adjusting
- Prior art date
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Classifications
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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
-
- 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
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a hydrodynamic suspension grinding and polishing integrated polishing angle adjustable device. The hydrodynamic suspension grinding and polishing integrated polishing angle adjustable device comprises a polishing disc, a hydrodynamic suspension device, a lifting device, a pressure detection device, a polishing angle adjusting device and a supporting device; the surface of the polishing disc is divided into ten base units, the surface of each base unit comprises a workpiece paster area, a wedge area, a flow storage groove and a constrained boundary which are sequentially arranged from right to left, the polishing angle adjusting device comprises a universal floating joint, and the other end a coupler is connected with the polishing disc through the universal floating joint; the device is simple and compact in structure and low in equipment cost, the universal floating joint is adopted for connection, and therefore the polishing disc and a grinding disc are more tightly attached, a sliding spring set is adopted, the polishing disc and the grinding disc are attached in a clearance-free manner to carry out grinding, a polishing tool is directly driven through a servo motor to rotate, the error accumulation caused by a complex transmission link is avoided, and the machining precision is improved.
Description
Technical field
The present invention relates to grinding and polishing technical field, in particular, more particularly to a kind of liquid hydrodynamic floating grinding and polishing
One polishing angle adjusting device.
Background technology
Ultraprecision Machining is an emerging comprehensive process technology.It is integrated with modern mechanical, optics, electronics,
The advanced technologies such as computer, measurement and material are achieved, it has also become the important symbol of national science state-of-art.In order to obtain
The high-performance of various components and equipment, it is desirable to the machining accuracy more and more higher of element and part, the even requirement having reaches to be received
The machining accuracy of meter level or higher and undamaged suface processing quality.
Ultraprecise polished is current topmost final processing means.The material removal amount of polishing process is very small, typically
Below several microns.At present, contactless polishing is the main polishing method for obtaining super-smooth surface.
Common noncontact polishing, such as floating polishing, its liquid dynamic pressure effect are weaker, and processing efficiency is low, it is impossible to be completely eliminated
The surface residual stress that polishing causes；As dynamic pressure floats off polishing, polish pressure distribution is uneven, the requirement of drive shaft rotating accuracy
Height, polishing starting and end of a period stage still suffer from the directly contact of workpiece and abrasive particle.
The content of the invention
It is independent it is an object of the invention to solve existing grinding and polishing device, now in order to solving device is only
It is vertical, and the secondary assembly problem of needs is polished after grinding, it is proposed that a kind of good stability, positioning precision are high, hydraulic power
Stabilization, good polishing process uniformity, abrasive disk and the good liquid hydrodynamic floating grinding and polishing one polishing angle of polishing disk stickiness
Tunable arrangement.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of liquid hydrodynamic floating grinding and polishing one polishing angle
Degree tunable arrangement, including polishing disk, surge pressure levitation device, lowering or hoisting gear, pressure-detecting device, polishing angular adjustment apparatus and
Support meanss, the polishing panel surface is divided into ten elementary cells, and each elementary cell surface is included from right to left successively
The workpiece Chip Area of setting, wedge region, storage chute and restrained boundary；
The support meanss include postnotum, left plate and right plate, and the left plate and right plate are vertically fixed on
On the postnotum；
The lowering or hoisting gear includes the first servomotor, ball-screw, first straight line guide rail, feed screw nut, the first sliding block,
The ball-screw is vertically installed on the postnotum, and one end of ball-screw connects the first servomotor, and described first is straight
Line guide rail is provided with two, and two first straight line guide rails are vertically installed on left plate and right plate respectively, on every line slideway
The first sliding block is set with, the feed screw nut is sleeved on the ball-screw；
The hydraulic driver that surges is led including ball spline shaft, base plate, side installing plate, top fixing plate, second straight line
Rail, the second sliding block, shaft coupling, lead column, belt wheel, Timing Belt and the second servomotor, the feed screw nut and two first cunnings
Block is fixedly connected with base plate, and the first servomotor drives the base plate to be moved along first straight line guide rail when moving；The side peace
Dress plate is provided with two pieces, and two pieces of side installing plates are fixed on the base plate vertically, and the top fixing plate is horizontally fixed on two pieces
The top of side installing plate, is respectively equipped with a second straight line track on two pieces of side installing plates；Covered on every second straight line guide rail
Equipped with second sliding block, two the second sliding blocks are fixed on dynamic plate；Ball spline shaft connects through base plate with one end of shaft coupling
Connect, the upper end of ball spline shaft is fixed on dynamic plate, lead column be fixed with the base plate, the upper end of lead column passes through dynamic plate,
Spring is set with lead column between base plate and dynamic plate；Belt wheel is installed, belt wheel passes through Timing Belt on the ball spline shaft
The second servomotor on base plate is fastened on, second servomotor is transmitted power by Timing Belt driving pulley
To ball spline shaft, and drive the high-speed rotation of polishing disk；
The pressure-detecting device includes thread measurement axle and force cell, is provided with the top fixing plate and institute
The through hole that thread measurement axle is engaged is stated, thread measurement axle is bolted on top fixing plate, and force cell is fixed
In the bottom of thread measurement axle, force cell props up the dynamic plate when dynamic plate is moved along second straight line guide rail；
The polishing angular adjustment apparatus include universal floating joint, and the other end of the shaft coupling is connect by universal floating
Head connection polishing disk.
Further, the shaft coupling connects universal floating joint by groups of springs, and the groups of springs includes cylindrical base
With capital connecting pole, the through hole being engaged with cylindricality connecting seat shape, the outside edge of capital connecting pole are provided with cylindrical base
Circumferential uniform Semi-cylindrical hil ls, are provided with and the one-to-one axle of the semi-cylindrical hill on the through-hole wall of cylindrical base
To the half slot for setting, the screwed hole connected with the half slot is additionally provided with the outside of the cylindrical base, fastening bolt is passed through
Screwed hole tightens together cylindrical base and capital connecting pole.
Further, the shaft coupling connects universal floating joint by groups of springs.
Further, the side plate includes left plate and left side plate, and left plate and right plate are fixed with postnotum and connected
Connect.
Further, it is provided with multigroup waist-shaped hole on the first straight line guide rail.
Further, the lead column is provided with four, wherein being provided with spring in two lead columns, two are oriented in addition
Limited block is installed at the top of post.
Further, it is further fixed on grating scale on gained base plate.
The beneficial effects of the present invention are：The simple compact, equipment cost of apparatus structure of the invention is low；Employ universal floating
Dynamic joint connection so that polishing disk is tightr with fitting for abrasive disk；Employ slidable groups of springs so that polishing disk and grind
The laminating of mill gapless is ground；The rotation of polishing tool is directly driven by servomotor, it is to avoid complicated transmission ring
The accumulation of error that section is caused, improves machining accuracy.
Brief description of the drawings
Fig. 1 is the graphics that a kind of liquid hydrodynamic floating grinding and polishing one of the invention polishes angle adjusting device.
Fig. 2 is the front view that a kind of liquid hydrodynamic floating grinding and polishing one of the invention polishes angle adjusting device.
Fig. 3 is the top view that a kind of liquid hydrodynamic floating grinding and polishing one of the invention polishes angle adjusting device.
Fig. 4 is the right view that a kind of liquid hydrodynamic floating grinding and polishing one of the invention polishes angle adjusting device.
Fig. 5 is the graphics of groups of springs of the present invention.
Fig. 6 is the top view of Leadscrew drive system of the present invention.
Fig. 7 is the left view of grinding and polishing device of the present invention.
In figure, the servomotors of 1- first, 2- ball-screws, 3- move plate, 4- postnotums, 5- right plates, 6- first straight lines and lead
Rail, 7- second straight lines guide rail, 8- sides installing plate, 9- base plates, 10- ball spline shafts, 11- shaft couplings, 12- groups of springs, 13- are universal
Floating junction, 14- polishing disks, the sliding blocks of 15- second, the servomotors of 16- second, 17 grating scales, 18 waist-shaped holes, 19- force-measuring sensings
Device, the sliding blocks of 20- first, 21- top fixing plates, 22- lead columns, 23- springs, 24- limited blocks.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Fig. 1~7, a kind of liquid hydrodynamic floating grinding and polishing one polishing angle adjusting device, it is characterised in that：Bag
Polishing disk 14, pressure of surging levitation device, lowering or hoisting gear, pressure-detecting device and support meanss are included, the surface of the polishing disk 14 is drawn
Be divided into ten elementary cells, each elementary cell surface include set gradually from right to left workpiece Chip Area, wedge region,
Store chute and restrained boundary；When liquid hydrodynamic floating grinding and polishing is carried out, polishing disk 13 and workpiece are located in immersion liquid environment,
Polishing fluid submerges polishing disk and workpiece, advantageously reduces the negative effect that the heat of generation that rubs in polishing process brings.
The support meanss include postnotum 4, left plate and right plate 5, and the left plate and right plate 5 are vertical fixed
In the rear on backboard 4；Postnotum 4, left plate and right plate 5 are square plate.
The lowering or hoisting gear includes that the first servomotor 1, ball-screw 2, first straight line guide rail 6, feed screw nut, first are slided
Block 20, the ball-screw 2 is vertically installed on the postnotum 4, and one end of ball-screw 2 connects the first servomotor 1, institute
State first straight line guide rail 6 and be provided with two, two first straight line guide rails 6 are vertically installed on left plate and right plate 5 respectively, every
The first sliding block 20 is set with line slideway, the feed screw nut is sleeved on the ball-screw；First servomotor 1,
Ball-screw 2 and feed screw nut constitute the Leadscrew drive system for driving the lifting of base plate 9.
The hydraulic driver that surges includes ball spline shaft 10, base plate 9, side installing plate 8, top fixing plate 21, second
Line slideway 7, the second sliding block 15, shaft coupling 11, groups of springs 12, lead column 22, belt wheel, Timing Belt and the second servomotor 16,
The feed screw nut and two the first sliding blocks 20 are fixedly connected with base plate 9, and the first servomotor 1 drives the base plate when moving
9 move along first straight line guide rail 6；The side installing plate 8 is provided with two pieces, and two pieces of side installing plates 8 are fixed on the base plate 9 vertically
On, the top fixing plate 21 is horizontally fixed on two pieces of tops of side installing plate 8, and one is respectively equipped with two pieces of side installing plates 8
Second straight line track；It is set with second sliding block 15 on every second straight line guide rail 7, two the second sliding blocks 15 are fixed on dynamic
On plate 3；Ball spline shaft 10 is connected through base plate 9 with one end of shaft coupling 11, and the upper end of ball spline shaft 10 is fixed on dynamic plate 3
On, lead column 22 is fixed with the base plate 9, the upper end of lead column 22 passes through dynamic plate 3, the lead column between base plate 9 and dynamic plate 3
Spring 23 is set with 22；Belt wheel is installed, belt wheel is fastened on base plate 9 by Timing Belt on the ball spline shaft 10
The second servomotor 16, second servomotor 16 imparts power to ball spline shaft by Timing Belt driving pulley
10, and drive the high-speed rotation of polishing disk 14.
The pressure-detecting device includes thread measurement axle and force cell 19, is provided with the top fixing plate 21
The through hole being engaged with the thread measurement axle, thread measurement axle is bolted on top fixing plate 21, force-measuring sensing
Device 19 is fixed on the bottom of thread measurement axle, and force cell 19 props up described dynamic when dynamic plate 3 is moved along second straight line guide rail 7
Plate 3.
The other end of the shaft coupling connects polishing disk, the polishing angular adjustment apparatus by polishing angular adjustment apparatus
Including groups of springs and universal floating joint 13, the top of the other end groups of springs of the shaft coupling, the bottom of the groups of springs leads to
Cross the connection polishing disk of universal floating joint 13；Fastening bolt is provided with the groups of springs, groups of springs lock when fastening bolt is tightened
Extremely, groups of springs can be slided up and down when fastening bolt is unclamped.
The groups of springs includes cylindrical base and capital connecting pole, is provided with cylindrical base and cylindricality connecting seat shape phase
The through hole of cooperation, is evenly distributed Semi-cylindrical hil ls on the outside of capital connecting pole, set on the through-hole wall of cylindrical base
There is axially arranged half slot one-to-one with the semi-cylindrical hill, be additionally provided with the outside of the cylindrical base and described half
The screwed hole of circular groove connection, fastening bolt tightens together cylindrical base and capital connecting pole through screwed hole.
The shaft coupling connects universal floating joint 13 by groups of springs.When the present apparatus works, the surface of polishing disk has one
Determine slight oblique angle, because universal floating joint can rotate certain angle, so universal floating joint and polishing disk
Connection ensure that the compactness of laminating.
The side plate includes left plate and left side plate 5, and left plate and right plate 5 are fixedly connected with postnotum 4.
Multigroup waist-shaped hole 18 is provided with the first straight line guide rail 6.Waist-shaped hole dog prevents left plate and right plate
Deformation, by ensureing the micro-adjustment at bolt connection the linearity that dynamic plate is moved up and down.
The lead column 22 is provided with four, wherein be provided with spring 23 in two lead columns 22, two lead columns in addition
22 top is provided with limited block 24.Spring is used to limit the extreme lower position of base plate 9, and limited block is used to limit the highest of base plate 9
Position.
Grating scale 17 is further fixed on gained base plate 9.Grating scale 16 is bolted on base plate 9, and grating scale 16 is erected
It is straight to set.
The present apparatus operationally, ball screw turns is driven by the first servomotor, drives whole liquid hydrodynamic floating dress
Put and moved down along line slideway with polishing disk, being input into polishing disk by the console being controlled to whole device rises ginseng
Number, is driven using ball-screw and move on to certain distance on the whole pressure levitation device that surges, and is read the data of grating scale and is stored up
Deposit, the reading of force cell is reset, subsequent second servomotor drives ball spline shaft to rotate, by shaft coupling and spring
Group connection polishing disk, drives polishing disk to rotate indirectly, rotates rear polishing disk and acts on float downward in the dynamic pressure of liquid, and second slides
Block 14 loads moved along on second straight line guide rail 7 upwards in tow, gathers the power of dynamic plate floating by force cell and is remembered
Record, the power size is identical with the buoyancy size of liquid, and realizes liquid hydrodynamic floating grinding and polishing one dress in this process
The stable operation put, it is ensured that the high accuracy of polishing.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
Without the technical scheme that creative work can be realized on the basis of above-described embodiment, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (7)
1. a kind of liquid hydrodynamic floating grinding and polishing one polishes angle adjusting device, it is characterised in that：Including polishing disk (14), liquid
Hydrodynamic floating device, lowering or hoisting gear, pressure-detecting device, polishing angular adjustment apparatus and support meanss, the polishing disk (14)
Surface is divided into ten elementary cells, and each elementary cell surface includes the workpiece Chip Area for setting gradually from right to left, carves
Shape region, storage chute and restrained boundary；
The support meanss include postnotum (4), left plate and right plate (5), and the left plate and right plate (5) are vertical solid
It is scheduled on the postnotum (4)；
The lowering or hoisting gear includes the first servomotor (1), ball-screw (2), first straight line guide rail (6), feed screw nut, first
Sliding block (20), the ball-screw (2) is vertically installed on the postnotum (4), and one end connection first of ball-screw (2) is watched
Motor (1) is taken, the first straight line guide rail (6) is provided with two, and two first straight line guide rails (6) are vertically installed at left plate respectively
The first sliding block (20) is set with right plate (5), on every line slideway, the feed screw nut is sleeved on the ball wire
On thick stick；
It is described surge hydraulic driver including ball spline shaft (10), base plate (9), side installing plate (8), top fixing plate (21),
Second straight line guide rail (7), the second sliding block (15), shaft coupling (11), lead column (22), belt wheel, Timing Belt and the second servomotor
(16), the feed screw nut and two the first sliding blocks (20) are fixedly connected with base plate (9), when the first servomotor (1) is moved
The base plate (9) is driven to be moved along first straight line guide rail (6)；The side installing plate (8) is provided with two pieces, two pieces of side installing plates (8)
It is fixed on vertically on the base plate (9), the top fixing plate (21) is horizontally fixed on two pieces of tops of side installing plate (8),
A second straight line track is respectively equipped with two pieces of side installing plates (8)；One is set with every second straight line guide rail (7)
Two sliding blocks (15), two the second sliding blocks (15) are fixed on dynamic plate (3)；Ball spline shaft (10) is through base plate (9) and shaft coupling
(11) one end connection, the upper end of ball spline shaft (10) is fixed on dynamic plate (3), and lead column is fixed with the base plate (9)
(22), the upper end of lead column (22) passes through dynamic plate (3), and spring is set with the lead column (22) between base plate (9) and dynamic plate (3)
(23)；Belt wheel is installed, belt wheel second is watched by what Timing Belt was fastened on base plate (9) on the ball spline shaft (10)
Motor (16) is taken, second servomotor (16) imparts power to ball spline shaft (10) by Timing Belt driving pulley,
And drive the high-speed rotation of polishing disk (14)；
The pressure-detecting device includes thread measurement axle and force cell (19), is provided with the top fixing plate (21)
The through hole being engaged with the thread measurement axle, thread measurement axle is bolted on top fixing plate (21), and dynamometry is passed
Sensor (19) is fixed on the bottom of thread measurement axle, and force cell (19) is when dynamic plate (3) is moved along second straight line guide rail (7)
Prop up the dynamic plate (3)；
The polishing angular adjustment apparatus include universal floating joint (13), and the other end of the shaft coupling is connect by universal floating
Head (13) connection polishing disk.
2. a kind of liquid hydrodynamic floating grinding and polishing one according to claim 1 polishes angle adjusting device, and its feature exists
In：The shaft coupling connects universal floating joint by groups of springs, and the groups of springs includes cylindrical base and capital connecting pole, post
The through hole being engaged with cylindricality connecting seat shape is provided with shape base, multiple semicircles are evenly distributed on the outside of capital connecting pole
Shape is raised, and the half slot axially arranged correspondingly with the semi-cylindrical hill is provided with the through-hole wall of cylindrical base,
The screwed hole connected with the half slot is additionally provided with the outside of the cylindrical base, fastening bolt passes through screwed hole by cylindrical base
Tightened together with capital connecting pole.
3. a kind of liquid hydrodynamic floating grinding and polishing one according to claim 1 polishes angle adjusting device, and its feature exists
In：The shaft coupling connects universal floating joint (13) by groups of springs.
4. a kind of liquid hydrodynamic floating grinding and polishing one according to claim 1 polishes angle adjusting device, and its feature exists
In：The side plate includes left plate and left side plate (5), and left plate and right plate (5) are fixedly connected with postnotum (4).
5. a kind of liquid hydrodynamic floating grinding and polishing one according to claim 1 polishes angle adjusting device, and its feature exists
In：Multigroup waist-shaped hole (18) is provided with the first straight line guide rail (6).
6. a kind of liquid hydrodynamic floating grinding and polishing one according to claim 1 polishes angle adjusting device, and its feature exists
In：The lead column (22) is provided with four, wherein be provided with spring (23) on two lead columns (22), two lead columns in addition
(22) limited block (24) is installed at the top of.
7. a kind of liquid hydrodynamic floating grinding and polishing one according to claim 1 polishes angle adjusting device, and its feature exists
In：Grating scale (17) is further fixed on gained base plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129490.0A CN106695462B (en) | 2016-12-09 | 2016-12-09 | A kind of liquid hydrodynamic floating grinding and polishing one polishing angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129490.0A CN106695462B (en) | 2016-12-09 | 2016-12-09 | A kind of liquid hydrodynamic floating grinding and polishing one polishing angle adjusting device |
Publications (2)
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| CN106695462A true CN106695462A (en) | 2017-05-24 |
| CN106695462B CN106695462B (en) | 2018-12-11 |
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| CN108436709A (en) * | 2018-04-26 | 2018-08-24 | 王勤梅 | A kind of adjustable high-efficient rate grinding device |
| CN108620976A (en) * | 2018-04-01 | 2018-10-09 | 刘少军 | One kind being accurately positioned floating and removes burr grinding apparatus |
| CN109015309A (en) * | 2018-08-21 | 2018-12-18 | 浙江工业大学 | A kind of telescopic wheeled polishing tool |
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| CN108620976A (en) * | 2018-04-01 | 2018-10-09 | 刘少军 | One kind being accurately positioned floating and removes burr grinding apparatus |
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