CN105458930B - Neat method is repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel - Google Patents
Neat method is repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel Download PDFInfo
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- CN105458930B CN105458930B CN201511022295.3A CN201511022295A CN105458930B CN 105458930 B CN105458930 B CN 105458930B CN 201511022295 A CN201511022295 A CN 201511022295A CN 105458930 B CN105458930 B CN 105458930B
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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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/04—Devices or means for dressing or conditioning abrasive surfaces of cylindrical or conical surfaces on abrasive tools or wheels
- B24B53/053—Devices or means for dressing or conditioning abrasive surfaces of cylindrical or conical surfaces on abrasive tools or wheels using a rotary dressing tool
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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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
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- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Neat device is repaiied the invention discloses a kind of sophisticated equating of micro- grit protrusion of brait emery wheel, including sand disc, the air axle that granularity is 600~3000 mesh, the sand disc is on air axle, the air axle is fixed on the horizontal table of Digit Control Machine Tool, the sand disc is the diamond lap disk of micro mist containing cast iron, and the lapped face of the sand disc is evenly arranged with the circular microstructure array concentric with sand disc rotation axis.Neat method is repaiied in the sophisticated equating of micro- grit protrusion that the present invention has been also provided to a kind of brait emery wheel.The present invention controls relative velocity direction during abrasive finishing process by controlling the rotating speed of sand disc and skive, so that the grinding force direction of abrasive particle changes within the scope of 90 degree orthogonal of two grinding wheel speed directions during grinding, destructible direction is crystallized in diamond abrasive grain to repair together the progress equating of diamond abrasive grain tip, it is ensured that abrasive areas covers whole skive working surface.
Description
Technical field
Neat field is repaiied the present invention relates to diamond wheel cutter dressing, and in particular to a kind of micro- abrasive particle of brait emery wheel
Go out the equating of blade tip end and repair neat method, be that neat precision is repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel mirror grinding
Control technology.
Background technology
Generally, the precision mirror surface mill that hard brittle material machined surface quality depends on skive is improved
Cut.The emery wheel that dispatches from the factory will repaiied together before by equating, obtain very sharp and prominent emery wheel abrasive grain cutting sword, but grind
Grain cutting edge is not neat contour, and this can cause machined surface quality in grinding to differ, and Grain Falling Off is to processing table
Face produces secondary damage, it is therefore desirable to abrasive grain cutting sword is carried out to repair together.However, micro- abrasive grain cutting sword is repaired from bonding agent
Out highly difficult, tradition machinery dressing efficiency is low, on-mechanical terminates the laser of formula and chemical attack exist precision it is low, into
The problems such as this height, corrosive liquid are handled.
Therefore, micro structure array micro mist containing cast iron diamond lap disk is made to repair together skive progress equating,
Diamond equating is improved by the change of the chemical reaction and Impact direction of iron powder and diamond abrasive grain and repaiies neat efficiency, and finishing
Micro structure array on instrument has the effect for holding bits radiating, can improve finishing performance, and then repair out achievable hard fragility
The smooth diamond abrasive grain cutting edge of material Precision Mirror Grinding for Ceramics.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of micro- grit protrusion of brait emery wheel point
Neat method is repaiied in end equating.The invention provides the mode of the orthogonal grinding of sand disc using the diamond of micro mist containing cast iron to target
Skive repair together, mainly solving the technical problems that the parameters selection of sand disc and the design for passing through lapping mode
Ensure that abrasive areas covers the working surface of whole skive with control.
Neat device, including grain are repaiied in the sophisticated equating of micro- grit protrusion that one aspect of the present invention provides a kind of brait emery wheel
Spend for the sand disc of 600~3000 mesh, air axle, the sand disc is on air axle, and the air axle is fixed on number
On the horizontal table for controlling lathe, the sand disc is micro mist containing cast iron diamond lap disk, and the sand disc is ground
Mill surface is evenly arranged with the circular microstructure array concentric with sand disc rotation axis.
Micro structure array on sand disc, on the one hand can ensure sand disc and skive in process of lapping
The contact point moment changes so that diamond abrasive grain by different directions grinding force, and then cause skive Buddha's warrior attendant
Stone mill grain carries out equating in crystallization direction easy to wear and repaiied together；On the other hand, the micro structure array on sand disc has to hold to consider to be worth doing and dissipated
The effect of heat, prevents sand disc abrasive particle gap from blocking, it is ensured that neat effect is repaiied in more preferable equating.
Micro mist containing cast iron in the diamond lap disk used, during equating is repaiied together, iron powder occurs with diamond abrasive grain
Chemical reaction, so as to ensure that skive diamond abrasive grain is easier to be repaiied together by equating.
Further, the cross section of the micro structure array is zigzag very low power, the angle of the zigzag very low power
For 40~150 degree, depth is 50 microns~5 millimeters, and adjacent saw-tooth shape very low power spacing is 34.2 microns~10 millimeters.
Further, the cross section of the micro structure array is curved surface very low power, the curved surface diameter of the curved surface very low power
For 200 microns~5 millimeters, depth is 50 microns~5 millimeters, and spacing is 173.2 microns~5 millimeters.
Another aspect of the present invention is repaiied there is provided a kind of micro- grit protrusion tip of the brait emery wheel of use described device
Ping Xiuqi methods, including step：
1) granularity is arranged on the grinding wheel spindle of grinding machine for the skive of 46~120 mesh, will be equipped with sand disc
Air axle 3 is fixed on the horizontal table of grinding machine, and the axis and sand disc for making skive are mutually perpendicular to；
2) sand disc rotates along own axes, skive along own axes rotate while
Straight reciprocating motion is made on sand disc surface, realizes that the orthogonal cutting down of emery wheel is repaiied together, wherein the sand disc and Buddha's warrior attendant
The rotation speed relation of stone sand wheel is met：
Wherein, a diameter of D of skive1, rotating speed be N1, speed be V1, sand disc a diameter of D2, thickness be
D, rotating speed are N2, speed be V2, according to vector superposed principle, the actual speed of cutting point is V, and θ is V and V2Between angle and
Positioned at V1And V2Within the scope of orthogonal 90 degree, this programme is come by setting the rotation speed relation of sand disc and skive
The direction of abrasive grain cutting speed is controlled so that abrasive particle stress changes within the specific limits, so as to ensure that dressing area covering is whole
The working region of skive.
This programme is by controlling N1And N2Size, such as N1For 2000~4000 revs/min, N2For 50~4000 revs/min, make
The actual speed V of cutting point deflection θ fluctuating changes in the range of 0 to 90 degree are obtained, on the one hand ensure the mill of skive
Cutting force of the grain tip by all directions so that abrasive particle along diamond crystalline direction easy to wear repair together, reaches more preferably
Equating repair neat effect.On the other hand, V1And V2Change, being repeated cyclically for abrasive areas can be avoided, can avoid grinding
The a certain region for the sand disc that a certain region of rounding disk is repeated, reduces the abrasion of sand disc, it is ensured that abrasive areas
Cover the whole working region of emery wheel.Because sand disc has in micro structure array, process of lapping, skive is fed back and forth
So that the contact point moment changes, it is further ensured that size and Orientation of the skive diamond abrasive grain by grinding force with contact
Point change and change, and the micro structure array on sand disc have hold bits radiating effect, further improve equating repair together
Effect, in addition, in process of lapping, with the diamond abrasive grain in skive chemistry can occur for the iron powder in sand disc
Reaction, improves dressing efficiency.
Further, feed speed v of the skive when straight reciprocating motion is made on sand disc surfacef=50~
3000 millis m/min, feeding depth a=1~10 micron/per stroke, emery wheel axial movement spacing is 0.5~5mm, in equating finishing
During, using suitable rotating speed, feeding depth, feed speed, axial movement spacing and suitable micro structure array, Ke Yiyou
Neat efficiency is repaiied in the equating that effect ground improves skive.
Compared with prior art, the beneficial effects of the invention are as follows improve abrasion wheel grinding equating repair neat stability, it is controllable
Property and accuracy.Sand disc uses digital control scheme with emery wheel, and its rotating speed, feeding, cutting-in can realize micron level control
System, results in very smooth equating and repaiies neat effect.Bulky diamond emery wheel after equating is repaiied together can be used for hard brittle material
Precision Mirror Grinding for Ceramics processing, result in the surface of better quality finish.
Brief description of the drawings
Neat schematic diagram is repaiied in Fig. 1 brait emery wheel abrasive particle equatings.
It is shown in figure：1- skives；2- sand discs；3- air axles；4- workbench.
Embodiment
To be best understood from the present invention, the present invention is described further with reference to the accompanying drawings and examples, but this hair
Bright claimed scope is not limited to the scope represented by embodiment.
Embodiment one
As shown in figure 1, neat device is repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel, including granularity is 600
The sand disc 2 of~3000 mesh, air axle 3, the sand disc 2 is on air axle 3, and the air axle 3 is fixed on numerical control
On the horizontal table 4 of lathe, the sand disc 2 is micro mist containing cast iron diamond lap disk, and the sand disc 2 is ground
Mill surface is evenly arranged with the circular microstructure array concentric with the rotation axis of sand disc 2, the micro structure array it is transversal
Face is zigzag very low power, and the angle of the zigzag very low power is 60 degree, and depth is 700 microns, adjacent saw-tooth shape very low power
Spacing is 808 microns.
Micro structure array on sand disc 2, on the one hand can ensure sand disc 2 and boart boart in process of lapping
Taking turns for 1 contact point moment changes so that diamond abrasive grain and then is caused skive 1 by the grinding force of different directions
Diamond abrasive grain carries out equating in crystallization direction easy to wear and repaiied together；On the other hand, the micro structure array on sand disc 2, which has, holds
Consider the effect of radiating to be worth doing, prevent the abrasive particle gap of sand disc 2 from blocking, it is ensured that neat effect is repaiied in more preferable equating.The sand disc 2 used
In micro mist containing cast iron, equating repair it is neat during, iron powder chemically reacts with diamond abrasive grain, so as to ensure skive 1
Diamond abrasive grain be easier repaiied together by equating.
Or, the cross section of the micro structure array is curved surface very low power, the curved surface a diameter of 500 of the curved surface very low power
Micron, depth is 100 microns, and spacing is 400 microns.
The axis direction of skive 1 and dressing tool axis direction are vertical.The sand disc 2 is along own axes
Rotate, skive 1 on the surface of sand disc 2 makees linear reciprocation fortune while being rotated along own axes
It is dynamic.
The sand disc 2 is the diamond lap disk of micro mist containing cast iron, and skive 1 is brait emery wheel, when
When skive 1 is contacted with sand disc 2, the diamond abrasive grain in skive 1 occurs with the iron powder in sand disc 2
Chemical reaction so that diamond abrasive grain tip corrosion, forms skive cutting edge, reaches that neat purpose is repaiied in equating.
The sand disc 2 and skive 1 use orthogonal contact, and with the change of rotating ratio, skive 1 is ground
Grinding force suffered by grain changes in the range of 90 degree so that abrasive particle weares and teares in crystallization direction easy to wear so that mill
Grain equating is repaiied neat more efficient.
The surface of sand disc 2 has micro structure array, the abrasive particle in process of lapping on skive 1 with
The difference of micro structure array contact point, by the impulsive force from different directions, the equating for further improving skive 1 is repaiied
Neat efficiency, and with the effect for holding bits radiating, can reach that homogeneous energy is repaiied in more preferable equating.
In equating dressing process, if using suitable rotating speed, feeding depth, feed speed, axial distance and suitable
Micro structure array, the equating that can effectively improve skive 1 repaiies neat efficiency.
Embodiment two
As shown in figure 1, the present embodiment is by the way of orthogonal grinding, sand disc 2 is pacified on the table, rotary shaft is
Y-axis, the rotary shaft of skive 1 is Z axis, and skive 1 does feed motion back and forth along the surface of sand disc 2, realizes emery wheel
Orthogonal cutting down repair together, detailed process is：
Neat method, including step are repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel of use described device：
1) granularity is arranged on static air pressure rotating shaft for the skive 1 (135 millimeters of diameter, thick 8 millimeters) of 46 mesh
On the grinding wheel spindle of surface grinding machine (PSG52DX), sand disc 2 (160 millimeters of the diameter, thickness of the diamond of micro mist containing cast iron will be equipped with
Degree 15 millimeters) air axle 3 be fixed on the horizontal table 4 of grinding machine, make the axis and the phase of sand disc 2 of skive 1
It is mutually vertical；
2) sand disc 2 rotates along own axes, skive 1 along own axes rotate while
Make straight reciprocating motion on the surface of sand disc 2, realize that the orthogonal cutting down of emery wheel is repaiied together, wherein the He of the sand disc 2
The rotation speed relation of skive 1 is met：
Wherein, a diameter of D of skive 11, rotating speed be N1, speed be V1, sand disc 2 a diameter of D2, thickness
It is N for d, rotating speed2, speed be V2, according to vector superposed principle, the actual speed of cutting point is V, and θ is V and V2Between angle
And positioned at V1And V2Within the scope of orthogonal 90 degree, this programme by setting the rotation speed relation of sand disc and skive,
To control the direction of abrasive grain cutting speed so that abrasive particle stress changes within the specific limits, so as to ensure that dressing area covering is whole
In the working region of individual skive, skive 1 and sand disc 2 the contact dressing process of the present embodiment, diamond
The rotating speed N of emery wheel 11=3000r/min, feed speed vf=3000mm/min, a=1 μm of feeding depth, emery wheel axial movement spacing
For 1mm；The granularity of sand disc 2 is 600 mesh, the rotating speed N of sand disc 22=300r/min；The micro structure array it is transversal
Face is zigzag very low power, and the angle of the zigzag very low power is 60 degree, and depth is 700 microns, adjacent saw-tooth shape very low power
Spacing is 808 microns, and on the one hand zigzag very low power can cause diamond abrasive grain multiple directions and sand disc 2 to contact, and make
Diamond abrasive grain is obtained by the grinding force from different directions, equating is improved and repaiies neat efficiency；On the other hand, zigzag very low power can
Hold bits heat dispersion to play, improve equating and repair homogeneous energy.
If repairing neat parameter using above equating, emery wheel equating can be improved and repair neat efficiency and effect, diamond abrasive grain can
Repaiied with equating and obtain neat cutting edge together, the Precision Mirror Grinding for Ceramics available for hard brittle material.
Embodiment three
As shown in figure 1, the present embodiment is by the way of orthogonal grinding, sand disc 2 is pacified on the table, rotary shaft is
Y-axis, the rotary shaft of skive 1 is Z axis, and skive 1 does feed motion back and forth along the surface of sand disc 2, realizes emery wheel
Orthogonal cutting down repair together, detailed process is：
Neat method, including step are repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel of use described device：
1) granularity is arranged on CNC numerically control grinders for the skive 1 (150 millimeters of diameter, thick 5 millimeters) of 120 mesh
(SMART-B818) on grinding wheel spindle, sand disc 2 (100 millimeters of the diameter, the milli of thickness 10 of the diamond of micro mist containing cast iron be will be equipped with
Rice) air axle 3 be fixed on the horizontal table 4 of grinding machine, the axis and sand disc 2 for making skive 1 are mutually perpendicular to；
2) sand disc 2 rotates along own axes, skive 1 along own axes rotate while
Make straight reciprocating motion on the surface of sand disc 2, realize that the orthogonal cutting down of emery wheel is repaiied together, wherein the He of the sand disc 2
The rotation speed relation of skive 1 is met：
Wherein, a diameter of D of skive 11, rotating speed be N1, speed be V1, sand disc 2 a diameter of D2, thickness
It is N for d, rotating speed2, speed be V2, according to vector superposed principle, the actual speed of cutting point is V, and θ is V and V2Between angle
And positioned at V1And V2Within the scope of orthogonal 90 degree, this programme by setting the rotation speed relation of sand disc and skive,
To control the direction of abrasive grain cutting speed so that abrasive particle stress changes within the specific limits, so as to ensure that dressing area covering is whole
In the working region of individual skive, skive 1 and sand disc 2 the contact dressing process of the present embodiment, diamond
The rotating speed N of emery wheel 11=2500r/min, feed speed vf=2500mm/min, a=5 μm of feeding depth, between emery wheel axial movement
Away from for 1.5mm；The granularity of sand disc 2 is 3000 mesh, the rotating speed N of sand disc 22=400r/min；The micro structure array
Cross section be curved surface very low power, a diameter of 500 microns of the curved surface of the curved surface very low power, depth is 100 microns, and spacing is
400 microns, on the one hand the curved surface very low power can cause diamond abrasive grain multiple directions and sand disc 2 to contact so that gold
Hard rock abrasive particle is improved equating and repaiies neat efficiency by the grinding force from different directions；On the other hand, curved surface very low power can be played
Hold bits heat dispersion, improve equating and repair homogeneous energy.
If repairing neat parameter using above equating, emery wheel equating can be improved and repair neat efficiency and effect, diamond abrasive grain can
Repaiied with equating and obtain neat cutting edge together, the Precision Mirror Grinding for Ceramics available for hard brittle material.
The sophisticated equating of micro- grit protrusion that embodiment one and embodiment two are provided repaiies neat method by controlling N1And N2It is big
It is small so that the actual speed of cutting point is V deflection θ fluctuating changes in the range of 0 to 90 degree, on the one hand ensures the mill of emery wheel
Cutting force of the grain tip by all directions so that abrasive particle along diamond crystalline direction easy to wear repair together, reaches more preferably
Equating repair neat effect.On the other hand, V1And V2Change, being repeated cyclically for abrasive areas can be avoided, can avoid weight
The a certain region of multiple sand disc 2, reduces the abrasion of sand disc 2, it is ensured that abrasive areas covers the whole work of emery wheel
Make region.Because sand disc 2 has in micro structure array, process of lapping, skive is fed back and forth so that the contact point moment
Change, is further ensured that the size and Orientation of the diamond abrasive grain of skive 1 by grinding force with the change of contact point
Neat effect is repaiied in change, and effect of the micro structure array with appearance bits radiating on sand disc 2, further raising equating.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention
Embodiment restriction.For those of ordinary skill in the field, it can also make on the basis of the above description
Other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all the present invention
Any modifications, equivalent substitutions and improvements made within spirit and principle etc., should be included in the protection of the claims in the present invention
Within the scope of.
Claims (2)
1. neat method is repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel, gone out using micro- abrasive particle of brait emery wheel
Neat device, including the sand disc (2) that granularity is 600~3000 mesh are repaiied in the equating of blade tip end, and air axle (3) is described micro- containing cast iron
Flour gold hard rock sand disc (2) is on air axle (3), and the air axle (3) is fixed on the horizontal table (4) of Digit Control Machine Tool
On, the sand disc (2) is the diamond lap disk of micro mist containing cast iron, and the lapped face of the sand disc (2) is uniformly set
It is equipped with the circular microstructure array concentric with sand disc (2) rotation axis；The cross section of the micro structure array is zigzag
Very low power, the angle of the zigzag very low power is 40~150 degree, and depth is 50 microns~5 millimeters, adjacent saw-tooth shape very low power
Spacing is 34.2 microns~10 millimeters；The cross section of the micro structure array is curved surface very low power, the song of the curved surface very low power
A diameter of 200 microns~5 millimeters of face, depth is 50 microns~5 millimeters, and spacing is 173.2 microns~5 millimeters；Characterized in that,
Including step：
1) granularity is arranged on the grinding wheel spindle of grinding machine for the skive (1) of 46~120 mesh, will be equipped with sand disc (2)
Air axle (3) be fixed on the horizontal table of grinding machine (4), make the axis of skive (1) with sand disc (2) mutually
Vertically；
2) sand disc (2) rotates along own axes, skive (1) along own axes rotate while
Make straight reciprocating motion on sand disc (2) surface, realize that the orthogonal cutting down of emery wheel is repaiied together, wherein the sand disc
(2) and skive (1) rotating speed fluctuating change in process of lapping, rotation speed relation meet：
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Wherein, a diameter of D of skive (1)1, rotating speed be N1, speed be V1, a diameter of D of sand disc (2)2, thickness be
D, rotating speed are N2, speed be V2, the actual speed of cutting point is V, and θ is V and V2Between angle and positioned at V1And V2It is orthogonal
Within the scope of 90 degree.
2. neat method is repaiied in the sophisticated equating of micro- grit protrusion of brait emery wheel according to claim 1, it is characterised in that：
Feed speed v of the skive (1) when straight reciprocating motion is made on sand disc (2) surfacef=50~3000 millis m/min,
Feeding depth a=1~10 micron, emery wheel axial movement spacing is 0.5~5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022295.3A CN105458930B (en) | 2015-12-28 | 2015-12-28 | Neat method is repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022295.3A CN105458930B (en) | 2015-12-28 | 2015-12-28 | Neat method is repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel |
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| Publication Number | Publication Date |
|---|---|
| CN105458930A CN105458930A (en) | 2016-04-06 |
| CN105458930B true CN105458930B (en) | 2017-08-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108747822A (en) * | 2018-06-04 | 2018-11-06 | 哈尔滨工业大学 | A kind of preparation method of novel diamond wheel and the efficient ultraprecise processing method of micro structure array |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392885B (en) * | 2016-09-23 | 2019-11-19 | 山东大学 | The combined type trueing unit and dressing method of super-abrasive grinding wheel |
| CN109834553B (en) * | 2019-03-25 | 2020-02-18 | 上海理工大学 | Precision grinding method for surface of micro-groove structure |
| CN112975597A (en) * | 2019-12-16 | 2021-06-18 | 有研半导体材料有限公司 | Device and method for correcting diamond cutter |
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