CN105458930A - Leveling and aligning device and method for point of micro abrasive particle protruding edge of rough diamond abrasion wheel - Google Patents
Leveling and aligning device and method for point of micro abrasive particle protruding edge of rough diamond abrasion wheel Download PDFInfo
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- CN105458930A CN105458930A CN201511022295.3A CN201511022295A CN105458930A CN 105458930 A CN105458930 A CN 105458930A CN 201511022295 A CN201511022295 A CN 201511022295A CN 105458930 A CN105458930 A CN 105458930A
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- sand disc
- grinding
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- skive
- equating
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a leveling and aligning device for the point of a micro abrasive particle protruding edge of a rough diamond abrasion wheel. The leveling and aligning device comprises a grinding disc with the particle size of 600-3,000 meshes and an air shaft. The grinding disc is arranged on the air shaft. The air shaft is fixed to a horizontal workbench of a numerical control machine tool. The grinding disc is a cast iron containing superfine diamond grinding disc. Round microstructure arrays concentric with the rotating axis of the grinding disc are evenly arranged on the grinding surface of the grinding disc. The invention further provides a leveling and aligning method for the point of the micro abrasive particle protruding edge of the rough diamond abrasion wheel. The rotating speed of the grinding disc and the diamond abrasion wheel is controlled to control the relative speed direction of abrasive particles during grinding, so that the grinding force direction of the abrasive particles during grinding changes within the range of 90 degrees of two orthorhombic abrasion wheel rotating speed directions, the diamond abrasion wheel point is leveled and aligned in the direction where diamond abrasive particles are prone to be damaged during crystallization, and it is guaranteed that the grinding area covers the whole work surface of the diamond abrasion wheel.
Description
Technical field
The present invention relates to diamond wheel cutter dressing and repair neat field, neat device and method is repaiied in the most advanced and sophisticated equating of micro-grit protrusion being specifically related to a kind of brait emery wheel, is that neat accurate control technique is repaiied in a kind of most advanced and sophisticated equating of micro-grit protrusion of brait emery wheel mirror grinding.
Background technology
Generally, the Precision Mirror Grinding for Ceramics that hard brittle material machined surface quality depends on skive is improved.The emery wheel that dispatches from the factory will be repaiied together through equating before use, obtain very sharp and outstanding emery wheel abrasive particle cutting edge, but abrasive grain cutting sword is not neatly contour, this can cause machined surface quality in grinding to differ, Grain Falling Off produces secondary damage to finished surface, therefore needs to repair together abrasive grain cutting sword.But it is very difficult for repairing out from bonding agent by micro-abrasive grain cutting sword, traditional mechanical dressing efficiency is low, and on-mechanical terminates the laser of formula and chemical attack also exists the problems such as precision is low, cost is high, corrosive liquid process.
Therefore, making micro structure array carries out equating containing cast iron micro mist diamond lap disk to skive and repaiies together, improve diamond equating by iron powder and the chemical reaction of diamond abrasive grain and the change of Impact direction and repair neat efficiency, and the micro structure array on dressing tool has the effect holding bits heat radiation, finishing performance can be improved, and then repair out the smooth diamond abrasive grain cutting edge that can realize hard brittle material Precision Mirror Grinding for Ceramics.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, neat device and method is repaiied in the most advanced and sophisticated equating of micro-grit protrusion that the invention provides a kind of brait emery wheel.The invention provides to use and repair together target skive containing the mode of the orthogonal grinding of the adamantine sand disc of cast iron micro mist, the technical problem mainly solved is the parameters selection of sand disc and ensures that abrasive areas covers the working surface of whole skive by the design of lapping mode and control.
Neat device is repaiied in the most advanced and sophisticated equating of micro-grit protrusion that one aspect of the present invention provides a kind of brait emery wheel, comprising granularity is 600 ~ 3000 object sand discs, air axle, described sand disc is contained on air axle, described air axle is fixed on the horizontal table of Digit Control Machine Tool, described sand disc is for containing cast iron micro mist diamond lap disk, and the lapped face of described sand disc is evenly provided with the circular micro structure array concentric with sand disc rotation.
Micro structure array on sand disc, can ensure that sand disc and skive contact point moment change in process of lapping on the one hand, make diamond abrasive grain be subject to the grinding force of different directions, and then make skive diamond abrasive grain carry out equating in crystallization direction easy to wear to repair together; On the other hand, the micro structure array on sand disc has the effect holding bits heat radiation, prevents sand disc abrasive particle gap from blocking, guarantees that neat effect is repaiied in better equating.
Containing cast iron micro mist in the diamond lap disk used, equating is repaiied in neat process, iron powder and diamond abrasive grain generation chemical reaction, thus guarantee fund's diamond grinding wheel diamond abrasive grain is more easily repaiied by equating together.
Further, the cross section of described micro structure array is zigzag very low power, and the angle of described zigzag very low power is 40 ~ 150 degree, and the degree of 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 described micro structure array is curved surface very low power, and the curved surface diameter of described curved surface very low power is 200 microns ~ 5 millimeters, and the degree of depth is 50 microns ~ 5 millimeters, and spacing is 173.2 microns ~ 5 millimeters.
The present invention provides on the other hand and a kind ofly adopts the most advanced and sophisticated equating of micro-grit protrusion of the brait emery wheel of described device to repair neat method, comprises step:
1) be that 46 ~ 120 object skives are arranged on the grinding wheel spindle of grinding machine by granularity, the air axle 3 that sand disc is housed be fixed on the horizontal table of grinding machine, make the axis of skive and sand disc mutually vertical;
2) sand disc rotates along own axes, straight reciprocating motion is done on sand disc surface while skive rotates along own axes, the orthogonal cutting down realizing emery wheel is repaiied together, and the rotation speed relation of wherein said sand disc and skive meets:
Wherein, the diameter of skive is D
1, rotating speed is N
1, speed is V
1, sand disc diameter be D
2, thickness is d, rotating speed is N
2, speed is V
2, according to vector superposed principle, the actual speed of cutting point is V, θ is V and V
2between angle and be positioned at V
1and V
2within orthogonal 90 degree of scopes, this programme is by setting the rotation speed relation of sand disc and skive, control the direction of abrasive grain cutting speed, such that abrasive particle is stressed to be changed within the specific limits, thus ensure that dressing area covers the working region of whole skive.
This programme is by control N
1and N
2size, as N
1be 2000 ~ 4000 revs/min, N
2it is 50 ~ 4000 revs/min, the deflection θ of the actual speed V of cutting point is fluctuated change within the scope of 0 to 90 degree, the abrasive particle tip of guarantee fund's diamond grinding wheel is subject to the cutting force of all directions on the one hand, make abrasive particle carry out along diamond crystalline direction easy to wear repairing together, reach better equating and repair neat effect.On the other hand, V
1and V
2change, the periodicity of abrasive areas can be avoided to repeat, and a certain region of the sand disc that a certain region of sand disc can be avoided to repeat, reduces the wearing and tearing of sand disc, can ensure that abrasive areas covers the whole working region of emery wheel.Because sand disc has micro structure array, in process of lapping, skive back and forth feeding makes the contact point moment change, the size and Orientation that further guarantee fund's diamond grinding wheel diamond abrasive grain is subject to grinding force changes with the change of contact point, and the micro structure array on sand disc has the effect holding bits heat radiation, neat effect is repaiied in further raising equating, in addition, in process of lapping, iron powder in sand disc with the diamond abrasive grain generation chemical reaction in skive, can improve dressing efficiency.
Further, the feed speed v of skive when straight reciprocating motion is done on sand disc surface
f=50 ~ 3000 millis m/min, feeding depth a=1 ~ 10 micron/every stroke, grinding wheel spindle is 0.5 ~ 5mm to moving interval, in equating dressing process, adopt suitable rotating speed, feeding depth, feed speed, move axially spacing and suitable micro structure array, neat efficiency is repaiied in the equating that effectively can improve skive.
Compared with prior art, the invention has the beneficial effects as follows that improve abrasion wheel grinding equating repaiies neat stability, controllability and accuracy.Sand disc and emery wheel all adopt digital control scheme, and its rotating speed, feeding, cutting-in all can realize micron level and control, and can obtain very smooth equating and repair neat effect.The Precision Mirror Grinding for Ceramics processing that the bulky diamond emery wheel together can be used for hard brittle material is repaiied in equating, can obtain the surface of better quality fineness.
Accompanying drawing explanation
Neat schematic diagram is repaiied in the equating of Fig. 1 brait emery wheel abrasive particle.
Shown in figure be: 1-skive; 2-sand disc; 3-air axle; 4-workbench.
Detailed description of the invention
For better understanding the present invention, below in conjunction with drawings and Examples, the present invention is described further, but the scope of protection of present invention is not limited to the scope represented by embodiment.
Embodiment one
As shown in Figure 1, neat device is repaiied in a kind of most advanced and sophisticated equating of micro-grit protrusion of brait emery wheel, comprising granularity is 600 ~ 3000 object sand discs 2, air axle 3, described sand disc 2 is contained on air axle 3, described air axle 3 is fixed on the horizontal table 4 of Digit Control Machine Tool, described sand disc 2 is for containing cast iron micro mist diamond lap disk, the lapped face of described sand disc 2 is evenly provided with the circular micro structure array concentric with sand disc 2 rotation, the cross section of described micro structure array is zigzag very low power, the angle of described zigzag very low power is 60 degree, the degree of depth is 700 microns, adjacent saw-tooth shape very low power spacing is 808 microns.
Micro structure array on sand disc 2, can ensure that sand disc 2 and skive 1 contact point moment change in process of lapping on the one hand, make diamond abrasive grain be subject to the grinding force of different directions, and then make skive 1 diamond abrasive grain carry out equating in crystallization direction easy to wear to repair together; On the other hand, the micro structure array on sand disc 2 has the effect holding bits heat radiation, prevents sand disc 2 abrasive particle gap from blocking, guarantees that neat effect is repaiied in better equating.Containing cast iron micro mist in the sand disc 2 used, equating is repaiied in neat process, iron powder and diamond abrasive grain generation chemical reaction, thus the diamond abrasive grain of guarantee fund's diamond grinding wheel 1 is more easily repaiied by equating together.
Or the cross section of described micro structure array is curved surface very low power, the curved surface diameter of described curved surface very low power is 500 microns, and the degree of depth is 100 microns, and spacing is 400 microns.
Described skive 1 axis direction is vertical with dressing tool axis direction.Described sand disc 2 rotates along own axes, does straight reciprocating motion while skive 1 rotates along own axes on sand disc 2 surface.
Described sand disc 2 is for containing cast iron micro mist diamond lap disk, skive 1 is brait emery wheel, when skive 1 contacts with sand disc 2, iron powder generation chemical reaction in diamond abrasive grain in skive 1 and sand disc 2, make the corrosion of diamond abrasive grain tip, form skive cutting edge, reach equating and repair neat object.
Described sand disc 2 adopts orthogonal contact with skive 1, along with the change of rotating ratio, grinding force suffered by skive 1 abrasive particle changes within the scope of 90 degree, and abrasive particle is worn and torn in crystallization direction easy to wear, makes abrasive particle equating repair neat efficiency higher.
Described sand disc 2 surface has micro structure array, different along with from micro structure array contact point of abrasive particle in process of lapping on skive 1, be subject to the impulsive force from different directions, neat efficiency is repaiied in the equating of further raising skive 1, and there is the effect holding bits heat radiation, better equating can be reached and repair homogeneous energy.
In equating dressing process, if adopt suitable rotating speed, feeding depth, feed speed, axial distance and suitable micro structure array, neat efficiency is repaiied in the equating that effectively can improve skive 1.
Embodiment two
As shown in Figure 1, the present embodiment adopts the mode of orthogonal grinding, pacifies on the table by sand disc 2, rotating shaft is Y-axis, and skive 1 rotating shaft is Z axis, and skive 1 does feed motion back and forth along sand disc 2 surface, the orthogonal cutting down realizing emery wheel is repaiied together, and detailed process is:
Adopt the most advanced and sophisticated equating of micro-grit protrusion of the brait emery wheel of described device to repair a neat method, comprise step:
1) by granularity be 46 object skive 1 (diameters 135 millimeters, thick 8 millimeters) be arranged on the grinding wheel spindle of surface grinding machine (PSG52DX) of static air pressure rotating shaft, to be equipped with containing the adamantine sand disc 2 of cast iron micro mist (diameter 160 millimeters, thickness 15 millimeters) air axle 3 be fixed on the horizontal table 4 of grinding machine, make the axis of skive 1 and sand disc 2 mutually vertical;
2) sand disc 2 rotates along own axes, straight reciprocating motion is done on sand disc 2 surface while skive 1 rotates along own axes, the orthogonal cutting down realizing emery wheel is repaiied together, and the rotation speed relation of wherein said sand disc 2 and skive 1 meets:
Wherein, the diameter of skive 1 is D
1, rotating speed is N
1, speed is V
1, sand disc 2 diameter be D
2, thickness is d, rotating speed is N
2, speed is V
2, according to vector superposed principle, the actual speed of cutting point is V, θ is V and V
2between angle and be positioned at V
1and V
2within orthogonal 90 degree of scopes, this programme is by setting the rotation speed relation of sand disc and skive, control the direction of abrasive grain cutting speed, make that abrasive particle is stressed to be changed within the specific limits, thus ensure that dressing area covers the working region of whole skive, the skive 1 of the present embodiment contacts in dressing process with sand disc 2, skive 1 rotating speed N
1=3000r/min, feed speed v
f=3000mm/min, feeding depth a=1 μm, grinding wheel spindle is 1mm to moving interval; The granularity of sand disc 2 is 600 orders, the rotating speed N of sand disc 2
2=300r/min; The cross section of described micro structure array is zigzag very low power, the angle of described zigzag very low power is 60 degree, the degree of depth is 700 microns, adjacent saw-tooth shape very low power spacing is 808 microns, zigzag very low power can make diamond abrasive grain multiple directions contact with sand disc 2 on the one hand, make the grinding force that diamond abrasive grain is subject to from different directions, improve equating and repair neat efficiency; On the other hand, zigzag very low power can play and hold bits heat dispersion, improves equating and repaiies homogeneous energy.
If adopt above equating to repair neat parameter, can improve emery wheel equating and repair neat efficiency and effect, diamond abrasive grain equating can be repaiied and obtain neat cutting edge together, can be used for the Precision Mirror Grinding for Ceramics of hard brittle material.
Embodiment three
As shown in Figure 1, the present embodiment adopts the mode of orthogonal grinding, pacifies on the table by sand disc 2, rotating shaft is Y-axis, and skive 1 rotating shaft is Z axis, and skive 1 does feed motion back and forth along sand disc 2 surface, the orthogonal cutting down realizing emery wheel is repaiied together, and detailed process is:
Adopt the most advanced and sophisticated equating of micro-grit protrusion of the brait emery wheel of described device to repair a neat method, comprise step:
1) by granularity be 120 object skive 1 (diameters 150 millimeters, thick 5 millimeters) be arranged on the grinding wheel spindle of CNC numerically control grinder (SMART-B818), to be equipped with containing the adamantine sand disc 2 of cast iron micro mist (diameter 100 millimeters, thickness 10 millimeters) air axle 3 be fixed on the horizontal table 4 of grinding machine, make the axis of skive 1 and sand disc 2 mutually vertical;
2) sand disc 2 rotates along own axes, straight reciprocating motion is done on sand disc 2 surface while skive 1 rotates along own axes, the orthogonal cutting down realizing emery wheel is repaiied together, and the rotation speed relation of wherein said sand disc 2 and skive 1 meets:
Wherein, the diameter of skive 1 is D
1, rotating speed is N
1, speed is V
1, sand disc 2 diameter be D
2, thickness is d, rotating speed is N
2, speed is V
2, according to vector superposed principle, the actual speed of cutting point is V, θ is V and V
2between angle and be positioned at V
1and V
2within orthogonal 90 degree of scopes, this programme is by setting the rotation speed relation of sand disc and skive, control the direction of abrasive grain cutting speed, make that abrasive particle is stressed to be changed within the specific limits, thus ensure that dressing area covers the working region of whole skive, the skive 1 of the present embodiment contacts in dressing process with sand disc 2, the rotating speed N of skive 1
1=2500r/min, feed speed v
f=2500mm/min, feeding depth a=5 μm, grinding wheel spindle is 1.5mm to moving interval; The granularity of sand disc 2 is 3000 orders, the rotating speed N of sand disc 2
2=400r/min; The cross section of described micro structure array is curved surface very low power, the curved surface diameter of described curved surface very low power is 500 microns, the degree of depth is 100 microns, spacing is 400 microns, described curved surface very low power can make diamond abrasive grain multiple directions contact with sand disc 2 on the one hand, make the grinding force that diamond abrasive grain is subject to from different directions, improve equating and repair neat efficiency; On the other hand, curved surface very low power can play and hold bits heat dispersion, improves equating and repaiies homogeneous energy.
If adopt above equating to repair neat parameter, can improve emery wheel equating and repair neat efficiency and effect, diamond abrasive grain equating can be repaiied and obtain neat cutting edge together, can be used for the Precision Mirror Grinding for Ceramics of hard brittle material.
The most advanced and sophisticated equating of micro-grit protrusion that embodiment one and embodiment two provide repaiies neat method by control N
1and N
2size, the actual speed of cutting point is made to be that the deflection θ of V fluctuates change within the scope of 0 to 90 degree, ensure that the abrasive particle tip of emery wheel is subject to the cutting force of all directions on the one hand, make abrasive particle carry out along diamond crystalline direction easy to wear repairing together, reach better equating and repair neat effect.On the other hand, V
1and V
2change, the periodicity of abrasive areas can be avoided to repeat, a certain region of the sand disc 2 of repetition can be avoided, reduce the wearing and tearing of sand disc 2, can ensure that abrasive areas covers the whole working region of emery wheel.Because sand disc 2 has micro structure array, in process of lapping, skive back and forth feeding makes the contact point moment change, the size and Orientation that the diamond abrasive grain of further guarantee fund's diamond grinding wheel 1 is subject to grinding force changes with the change of contact point, and the micro structure array on sand disc 2 has the effect holding bits heat radiation, improve equating further and repair neat effect.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (5)
1. neat device is repaiied in the most advanced and sophisticated equating of micro-grit protrusion of a brait emery wheel, it is characterized in that: comprising granularity is 600 ~ 3000 object sand discs (2), air axle (3), describedly be contained on air axle (3) containing cast iron micro mist diamond lap disk (2), described air axle (3) is fixed on the horizontal table (4) of Digit Control Machine Tool, described sand disc (2) is for containing cast iron micro mist diamond lap disk, the lapped face of described sand disc (2) is evenly provided with the circular micro structure array concentric with sand disc (2) rotation.
2. neat device is repaiied in the most advanced and sophisticated equating of micro-grit protrusion of brait emery wheel according to claim 1, it is characterized in that: the cross section of described micro structure array is zigzag very low power, the angle of described zigzag very low power is 40 ~ 150 degree, the degree of depth is 50 microns ~ 5 millimeters, and adjacent saw-tooth shape very low power spacing is 34.2 microns ~ 10 millimeters.
3. neat device is repaiied in the most advanced and sophisticated equating of micro-grit protrusion of brait emery wheel according to claim 1, it is characterized in that: the cross section of described micro structure array is curved surface very low power, the curved surface diameter of described curved surface very low power is 200 microns ~ 5 millimeters, the degree of depth is 50 microns ~ 5 millimeters, and spacing is 173.2 microns ~ 5 millimeters.
4. adopt the most advanced and sophisticated equating of micro-grit protrusion of the brait emery wheel of described device to repair a neat method, it is characterized in that, comprise step:
1) be that 46 ~ 120 object skives (1) are arranged on the grinding wheel spindle of grinding machine by granularity, the air axle (3) that sand disc (2) is housed is fixed on the horizontal table (4) of grinding machine, makes the axis of skive (1) mutually vertical with sand disc (2);
2) sand disc (2) rotates along own axes, straight reciprocating motion is done on sand disc (2) surface while skive (1) rotates along own axes, the orthogonal cutting down realizing emery wheel is repaiied together, the rotating speed of wherein said sand disc (2) and skive (1) fluctuates change in process of lapping, and rotation speed relation meets:
Wherein, the diameter of skive (1) is D
1, rotating speed is N
1, speed is V
1, the diameter of sand disc (2) is D
2, thickness is d, rotating speed is N
2, speed is V
2, the actual speed of cutting point is V, θ is V and V
2between angle and be positioned at V
1and V
2within orthogonal 90 degree of scopes.
5. neat method is repaiied in the most advanced and sophisticated equating of micro-grit protrusion of brait emery wheel according to claim 4, it is characterized in that: skive (1) makes feed speed v during straight reciprocating motion on sand disc (2) surface
f=50 ~ 3000 millis m/min, feeding depth a=1 ~ 10 micron, grinding wheel spindle is 0.5 ~ 5 millimeter to moving interval.
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| 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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|---|---|---|---|
| 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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| CN105458930A true CN105458930A (en) | 2016-04-06 |
| CN105458930B CN105458930B (en) | 2017-08-25 |
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Cited By (3)
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| 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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| 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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| 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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