CN103998183A - Grinding ring with dual function grinding segments - Google Patents
Grinding ring with dual function grinding segments Download PDFInfo
- Publication number
- CN103998183A CN103998183A CN201280062503.0A CN201280062503A CN103998183A CN 103998183 A CN103998183 A CN 103998183A CN 201280062503 A CN201280062503 A CN 201280062503A CN 103998183 A CN103998183 A CN 103998183A
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- Prior art keywords
- less
- ground section
- finishing
- angle
- depth
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/14—Zonally-graded wheels; Composite wheels comprising different abrasives
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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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
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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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
Abstract
An abrasive article is disclosed and can include a base. At least one dual function grinding segment can be mounted on the base. The dual function grinding segment can include a working surface having an average slope, SWS, relative to a rotation plane and a finishing surface having an average slope relative to the plane rotation, SFS, and wherein SWS is greater than SFS.
Description
Technical field
The disclosure relates to grinding ring, the difunctional ground section that comprises difunctional ground section and the method that uses difunctional ground section grinding work-piece.
Background technology
Some construction material, for example brick have the obvious change in size between brick in the time forming.Utilize the modern technologies of adhesive foam instead of plaster correctly to assemble in order to use, each brick should be subject to grinding operation to meet dimensional tolerance.Comprise that for an operation of abrasive brick two faces by lapping device and simultaneous grinding brick are to reduce the size of brick by brick.Typically, repeatedly abrasive brick until brick has suitable size.Last grinding operation can comprise finishing operation, wherein lightly the face of abrasive brick to make the face of brick level and smooth as far as possible.
Brief description of the drawings
Embodiment illustrates by example and is not restricted in accompanying drawing.
Fig. 1 is the plane comprising according to the grinding ring of the difunctional ground section of specific embodiment.
Fig. 2 is the near-sighted plane according to the grinding ring of the difunctional ground section of specific embodiment that comprises obtaining at circle 2 places of Fig. 1.
Fig. 3 is according to the perspective view of the difunctional ground section of specific embodiment.
Fig. 4 is according to the plan view from above of the difunctional ground section of specific embodiment.
Fig. 5 is according to the side plan view of the difunctional ground section of specific embodiment.
Fig. 6 is comprising according to the cross-sectional view of the grinding ring of the difunctional ground section of specific embodiment of obtaining at the line 6-6 place of Fig. 1.
Fig. 7 is according to the perspective view of the difunctional ground section of specific embodiment.
Fig. 8 is according to the plan view from above of the difunctional ground section of specific embodiment.
Fig. 9 is according to the side plan view of the difunctional ground section of specific embodiment.
Figure 10 is according to the plane of the lapping device of specific embodiment.
Figure 11 is the diagram that uses the grinding operation of the prior art of the grinding ring of prior art.
Figure 12 uses according to the diagram of the grinding operation of the grinding ring of specific embodiment.
Figure 13 is the diagram that uses the workpiece of the grinding ring finishing of prior art.
Figure 14 uses according to the diagram of the workpiece of the grinding ring finishing of specific embodiment.
The element that technical staff can understand in figure is only used to simple and clear and illustrates and may not draw in proportion.For example, the size of some elements in figure can amplify to help improve with respect to other element the understanding of embodiments of the invention.Use the instruction similar or identical item of identical Reference numeral in different figure.
Detailed description of the invention
Provide with the following description of accompanying drawing combination to help to understand instruction disclosed herein.Below discuss and will focus on specific implementation and the embodiment of instruction.Provide this to focus on to help to describe instruction and be not appreciated that scope to instruction or the restriction of applicability.
In the time using in this article, term " comprises ", " comprising ", " having " or their any other modification are intended to contain non-exclusive comprising.For example, comprise that the process, method, goods of series of features or device may not only be only limited to those features, but can comprise the further feature clearly do not listed or such process, method, goods or install intrinsic further feature.In addition, unless clearly state on the contrary, "or" represent with or instead of XOR.For example, condition A or B are met by following any one: A is that true (or existence) and B are false (or not existing), A is that false (or not existing) and B are true (or existence), and A and B are true (or existence).
The use of " one " is for describing described element and parts herein.Be only used to like this facilitate and provide the general significance of the scope of embodiment of the present disclosure.This description is appreciated that and comprises that one or at least one and odd number also comprise plural number, and vice versa, unless obviously it has other implication.
Unless otherwise defined, all technology used herein and scientific terminology have the identical meanings of conventionally understanding with disclosure those of ordinary skill in the field.Material, method and example are only exemplary and are not intended to restriction.With regard to the scope of not describing herein, about certain material and many details of processing operation be conventional and textbook that can be in flicker and radiation detection field and other resource in find.
Initial reference Fig. 1 and Fig. 2, abrasive article, grinding ring is illustrated and represents with 100 substantially.As shown in the figure, grinding ring 100 can comprise that base portion 102 and multiple ground section can be attached to base portion.Particularly, base portion 102 can comprise ring, and this ring has the annular shape that limits central opening.Multiple difunctional ground section 104 and multiple single function ground section 106 are attached to base portion 102.Annular base 102 can be manufactured by metal or metal alloy.In addition, annular base 102 can be by steel making.Ground section 104,106 can brazing or is welded or be attached to ring in other mode.During use, grinding ring 100 can turn clockwise with respect to Fig. 1 around the rotation 108 that vertically extends through Fig. 1.But on the other hand, grinding ring 100 can be rotated counterclockwise around rotation 108.
In particular aspects, annular base 102 comprises at least approximately external diameter of 300mm.In addition, external diameter can be at least about 350mm, at least about 400mm, at least about 450mm, at least about 550mm, at least about 600mm, at least about 650mm, at least about 700mm or at least about 750mm.On the other hand, external diameter can be not more than about 1300mm.For example, external diameter can be not more than about 1250mm, is not more than about 1200mm, is not more than about 1150mm, is not more than about 1100mm, is not more than about 1050mm, is not more than about 1000mm, is not more than about 950mm or is not more than about 900mm.External diameter can and comprise in the scope of any described value between above-mentioned any minimum and maximum gauge value.
On the other hand, grinding ring 100 can comprise at least 30 ground section 104,106 that are arranged on base portion 102.And grinding ring 100 can comprise at least 35, at least 40, at least 45, at least 50, at least 55, at least 60, at least 65 or at least 70 ground section 104,106 that are arranged on base portion 102.On the other hand, being not more than 120 ground section 104,106 can be arranged on base portion 102.In addition, be not more than 115, be not more than 110, be not more than 105, be not more than 100, be not more than 95, be not more than 90, be not more than 85, be not more than 80 or be not more than 75 ground section 104,106 and can be arranged on base portion 102.The quantity that is arranged on the ground section 104,106 on base portion 102 can and comprise in the scope of any described quantity between above-mentioned any minimum and maximum quantity.
On the other hand, grinding ring 102 can comprise equal difunctional ground section 104 and single function ground section 106 and the ground section of total quantity.And at least about 20% of sum can comprise difunctional ground section 104.On the other hand, at least about 25%, at least about 30%, at least about 35%, at least about 40%, at least about 45%, at least about 50%, at least about 55%, at least about 60%, at least about 65%, at least about 70%, at least about 75%, at least about 80%, at least about 85%, at least about 90% or at least about 95% of sum comprises difunctional ground section 104.In addition, about 100% of sum comprises difunctional ground section 104.
In particular aspects, difunctional ground section 104 and single function ground section 106 can be arranged on base portion 102 with repeat patterns.For example, difunctional ground section 104 can be arranged between every pair of adjacent single function ground section 106 on base portion 102.Alternatively, multiple difunctional ground section 104 can be arranged between every pair of adjacent single function ground section 106 on base portion 102.For example, two, three, four or more difunctional ground section 104 can be arranged between every pair of adjacent single function ground section 106 on base portion 102.
On the other hand, single function ground section 106 can be arranged between every pair of adjacent difunctional ground section 104 on base portion 102.And multiple single function ground section 106 can be arranged between every pair of adjacent difunctional ground section 104 on base portion 102.For example, two, three, four or more single function ground section 106 can be arranged between every pair of adjacent difunctional ground section 104 on base portion 102.
To Fig. 5, show the details about difunctional ground section 104 with reference to figure 3.Fig. 3 to Fig. 5 indicates difunctional ground section 104 can comprise main body 302, described main body comprises working portion 304 and finishing part 306 (for the sake of clarity, the approximate boundaries between working portion 304 and finishing part 306 is indicated by the dotted line in Fig. 3).
In a particular embodiment, working portion 304 and finishing part 306 can for example use molded operation, extrude operation, pressing operation, punching operation or certain other form operation and form integral with one anotherly.But, on the other hand, working portion 304 can be individually formed and then use chemical adhesive, mechanical adhesion agent, arc welding operation, the welding operation of oxygen fuel gas, resistance welded operation, solid State Welding operation or certain other welding operation to be connected with finishing part 306.
According to embodiment, the main body 302 of ground section 104 can comprise the abrasive grains being included in host material.It should be noted that ground section 104 can be in conjunction with abrasive article, wherein abrasive grains is included in the three dimensional matrix of material.Abrasive grains can comprise having at least about 4, for example abrasive particles material of at least about Mohs' hardness of 5, at least about 6 and even at least about 7.Under specific circumstances, abrasive grains can comprise superabrasive material, for example diamond, cubic boron nitride or their combination.In one embodiment, abrasive grains is made up of diamond substantially.
In certain embodiments, abrasive article can be chosen to have be not less than about 400US sieve mesh, be for example not less than about 100US sieve mesh, for example about 16 to the granularities between 100US sieve mesh.In addition, depend on the expection application of abrasive article, the granularity of abrasive grains can be about 30 between 60US sieve mesh.
The host material of ground section 104 can comprise inorganic material, for example vitrified bond, metallic bond, metal alloy bonding agent and their combination.Under specific circumstances, host material can comprise metal or metal alloy, and especially, can being combined to form by transition metal element and even transition metal element.
In certain embodiments, ground section 104 can be that infiltration is in conjunction with abrasive article.Under these circumstances, ground section 104 can comprise the abrasive grains being included in metal matrix, and wherein ground section 104 also comprises the interference networks of the micropore that can be filled with impregnant material.Metal matrix can comprise metallic element or comprise the metal alloy of multiple metallic elements.
In the interference networks of the micropore in the main body 302 that as mentioned above, ground section 104 can be formed as making impregnant be present in ground section 104.The volume of the micropore of the volume that extends through ground section 104 can partly be filled, substantially be filled and even fully fill to impregnant.According to a particular design, impregnant can be metal or metal alloy material.
As shown in Fig. 3 to Fig. 5, the working portion 304 of the main body 302 of difunctional ground section 104 can comprise working surface 308.The finishing part 306 of main body 302 can comprise finish 310.Finish 310 can form continuously with working surface 308 and finish 310 can be extended from working surface 308.
Working surface 308 can comprise the mean inclination S with respect to Plane of rotation
wS.Finish 310 can comprise the mean inclination S with respect to Plane Rotation
fS, and S wherein
wScan be greater than S
fS.S
wScan at least be greater than about 2xS
fS.In addition S,
wScan at least be greater than about 3xS
fS, be at least greater than about 4xS
fS, be at least greater than about 5xS
fSor be at least greater than about 10xS
fS.But, S
wScan be less than about 25xS
fS, be less than about 20xS
fSor be less than about 15xS
fS.
And finish 310 can form with respect to 308 one-tenth reflex angles of working surface 312.In particular aspects, reflex angle 312 can be at least about 185 °.In addition, reflex angle 312 can be at least about 186 °, at least about 187 °, at least about 188 °, at least about 189 °, at least about 190 °, at least about 191 °, at least about 191 °, at least about 192 °, at least about 193 ° or at least about 194 °.And angle 312 can be not more than about 210 °, be not more than about 205 °, be not more than about 200 °, be not more than about 199 °, be not more than about 198 °, be not more than about 197 °, be not more than about 196 ° or be not more than about 195 °.Angle 312 can and comprise in the scope of any described value between above-mentioned any minimum and maximum angular value.
On the other hand, working surface 308 can comprise that working surface area and finish 310 can comprise finish area.Finish area can be less than working surface area.For example, finish area can be less than about 60% of working surface area.On the other hand, finish area can be less than working surface area about 55%, be less than working surface area about 50%, be less than working surface area about 45% or be less than about 40% of working surface area.In addition, finish area can be greater than working surface area about 20%, be greater than working surface area about 25%, be greater than working surface area about 30% or be greater than about 35% of working surface area.Finish area can and comprise in the scope of any described value between above-mentioned any minimum and largest percentage value.
The working portion 308 of the main body 302 of difunctional ground section 104 can comprise working volume.And the finishing part of the main body 302 of difunctional ground section 104 can comprise finishing volume.In one aspect, finishing volume can be less than working volume.For example, finishing volume is less than about 60% of working volume.On the other hand, finishing volume be less than working volume about 55%, be less than working volume about 50%, be less than working volume about 45% or be less than about 40% of working volume.In addition, finishing volume can be greater than working volume about 20%, be greater than working volume about 25%, be greater than working volume about 30% or be greater than about 35% of working volume.Finishing volume can and comprise in the scope of any described percent value between above-mentioned any minimum and largest percentage value.
On the other hand, finishing volume can comprise more than first abrasive grains can with the first particle mean size.Working volume can comprise more than second abrasive grains can with the second particle mean size.The first particle mean size can be roughly the same with the second particle mean size.
But aspect another, the first particle mean size can be less than the second particle mean size.For example, the first particle mean size can be less than the second particle mean size about 80%, be less than the second particle mean size about 75%, be less than the second particle mean size about 70%, be less than the second particle mean size about 65%, be less than the second particle mean size about 60%, be less than the second particle mean size about 55%, be less than the second particle mean size about 50%, be less than the second particle mean size about 45% or be less than about 40% of the second particle mean size.And, the first particle mean size be greater than the second particle mean size about 20%, be greater than the second particle mean size about 25%, be greater than the second particle mean size about 30% or be greater than about 35% of the second particle mean size.The first particle mean size can and comprise in the scope of any described percent value between above-mentioned any minimum and largest percentage value.
On the other hand, finishing volume can comprise first binder material can with the first binding agent hardness.Working volume can comprise second binder material with the second binding agent hardness.In one embodiment, the first binding agent hardness can be roughly the same with the second binding agent hardness.
In another embodiment, the first binding agent hardness can be less than the second binding agent hardness.For example, the first binding agent hardness can be less than the second adhesive hardness about 80%, be less than about 75%, be less than about 70%, be less than about 65%, be less than about 60%, be less than about 55%, be less than about 50%, be less than about 45% or be less than about 40%.And, the first binding agent hardness can be greater than the second binding agent hardness about 20%, be greater than about 25%, be greater than about 30% or be greater than about 35%.The first binding agent hardness can and comprise in the scope of any described percent value between above-mentioned any minimum and largest percentage value.
In another embodiment, the second binding agent hardness can be less than the first binding agent hardness.For example, the second binding agent hardness can be less than the first adhesive hardness about 80%, be less than about 75%, be less than about 70%, be less than about 65%, be less than about 60%, be less than about 55%, be less than about 50%, be less than about 45% or be less than about 40%.And, the second binding agent hardness can be greater than the first binding agent hardness about 20%, be greater than about 25%, be greater than about 30% or be greater than about 35%.The second binding agent hardness can and comprise in the scope of any described percent value between above-mentioned any minimum and largest percentage value.
As shown in Figure 4, the working portion 304 of difunctional ground section 104 can comprise by outside 324 320 and below 322 (with respect to placement and the rotations of grinding ring 102) above connected to one another.Can comprise for each 320,322 with respect to the Part I 326 at 324 forming surface angles 327, outside and be approximately perpendicular to the Part II 328 extending from Part I 326 in the direction of outside 324.
Angle 327 can be at least 55 ° of degree.For example, face angle can be at least 56 ° of degree, at least 57 ° of degree, at least 58 ° of degree, at least 59 ° of degree or at least 60 ° of degree.On the other hand, face angle can be not more than about 65 °, is not more than about 64 °, is not more than about 63 °, is not more than about 62 ° or be not more than about 61 °.Face angle can and comprise in the scope of any described angle value between above-mentioned any minimum and maximal angle value.
Finishing part 306 can be in shape for semicircle cylindricality substantially and can be included in above 320 Part II 328 and be parallel to the sphering face 330 extending between the inner face 332 of outside 324.
Working portion 304 can comprise the 324 at least approximately width of 8mm of measuring to inner face 332 from the outside.For example, width can be at least about 9mm, at least about 10mm, at least approximately 11mm or at least about 12mm.And width can be not more than about 20mm, is not more than about 19mm, is not more than about 18mm, is not more than about 17mm, is not more than about 16mm or is not more than about 15mm.Width can and comprise in the scope of any described value between above-mentioned any minimum and Breadth Maximum value.
Finishing part 306 can have at least radius of 3mm.For example, radius can be 3.5mm at least, at least 4mm, at least 4.5mm, at least 5mm or 5.5mm at least.On the other hand, radius can be not more than 7.5mm, is not more than 7.0mm, is not more than 6.5mm or is not more than 6.0mm.Radius can and comprise in the scope of any described value between above-mentioned any minimum and maximum radius value.
The main body 302 of difunctional ground section 104 can have the total height of the 308 at least 15mm that measure from basal surface to working surface.For example total height can be 16mm at least, at least 17mm, at least 18mm, at least 19mm, at least 20mm, at least 21mm or 22mm at least.Total height can be not more than about 30mm, is not more than about 29mm, is not more than about 28mm, is not more than about 27mm, is not more than about 26mm or is not more than about 25mm.Total height can and comprise in the scope of any described total height value between above-mentioned any minimum and maximum total height value.
On the other hand, the main body 302 of difunctional ground section 104 can have at least total length of 15mm.For example total length can be 16mm at least, at least 17mm, at least 18mm, at least 19mm, at least 20mm, at least 21mm or 22mm at least.Total length can be not more than about 30mm, is not more than about 29mm, is not more than about 28mm, is not more than about 27mm, is not more than about 26mm or is not more than about 25mm.Total length can and comprise in the scope of any described total length value between above-mentioned any minimum and maximum total length value.
Fig. 6 illustrates the cross-sectional view of the grinding ring 100 obtaining along the line 6-6 in Fig. 1.As discussed previously, grinding ring 100 can rotate around rotation 108 (Fig. 1).With respect to Fig. 6, grinding ring 100 by rotation make to encircle 102 and difunctional ground section 104 will move into (or leaving) Fig. 6.Workpiece 602 can make workpiece 602 in the time that grinding ring rotates be ground by grinding ring 100 moving up along the side of axis of operation 604.In particular aspects, axis of operation 604 is approximately perpendicular to rotation 108.
As shown in Figure 6, working surface 308 can limit operating angle 606 with respect to axis of operation 604.Finish 310 can limit finishing angle 608 with respect to axis of operation 604.In particular aspects, finishing angle 608 can be less than operating angle 606.For example, finishing angle 608 can be less than about 10% of operating angle 606.In addition, finishing angle 608 can be less than operating angle 606 about 9%, be less than about 8%, be less than about 7%, be less than about 6% or be less than about 5%.On the other hand, finishing angle 608 can be greater than about 0.5% of operating angle 606.Finishing angle 608 can be greater than operating angle 206 about 1.0%, be greater than about 1.5%, be greater than about 2.0%, be greater than about 2.5% or be greater than about 3.0%.Finishing angle 608 can and comprise in the scope of any described percent value between above-mentioned any minimum and largest percentage value.
On the other hand, operating angle 606 can be at least about 8 °.In addition, operating angle 606 can be at least about 9 °, at least about 10 °, at least about 11 °, at least about 12 ° or at least about 13 °, and operating angle 606 can be not more than 20 °, be not more than 19 °, be not more than 18 °, be not more than 17 °, be not more than 16 ° or be not more than 15 °.Operating angle 606 can and comprise in the scope of any described angle value between above-mentioned any minimum and maximal angle value.
Finishing angle 608 can be at least about 0.08 °.In addition, finishing angle 608 can be at least about 0.1 °, at least about 0.25 ° or at least about 0.5 °.On the other hand, finishing angle 608 can be not more than 2.0 °, is not more than 1.75 °, is not more than 1.5 °, is not more than 1.0 ° or be not more than 0.75 °.Finishing angle 608 can and comprise in the scope of any described angle value between above-mentioned any minimum and maximal angle value.
As shown in Figure 6, working surface 308 can grind depth and remove from workpiece 602 in particular job the Part I 610 of material during operation.In addition, finish 310 can be ground depth and remove from workpiece 602 in particular job the Part II 612 of material.As shown in the figure, the finishing grinding degree of depth is less than the work grinding degree of depth.
Especially, the finishing grinding degree of depth is less than about 10% of the work grinding degree of depth.In addition, finishing grind the degree of depth be less than work grind the degree of depth about 9%, be less than about 8%, be less than about 7%, be less than about 6% or be less than about 5%.On the other hand, the finishing grinding degree of depth is greater than about 1.0% of the work grinding degree of depth.For example, finishing grind the degree of depth be greater than work grind the degree of depth about 1.5%, be greater than about 2.0%, be greater than about 2.5%, be greater than about 3.0% or be greater than about 3.5%.Finishing is ground the degree of depth and can and be comprised in the scope of any described value between above-mentioned any minimum and maximal angle value.
On the other hand, the work grinding degree of depth can be at least about 1.0mm.In addition, to grind the degree of depth can be at least about 1.5mm, at least approximately 2.0mm, at least approximately 2.5mm or at least about 3.0mm in work.Work is ground the degree of depth and can be not more than about 5.0mm, be not more than about 4.5mm, be not more than about 4.0mm or be not more than about 3.5mm.
It can be at least about 0.01mm that the degree of depth is ground in finishing.For example, the finishing grinding degree of depth can be at least about 0.025mm, at least about 0.05mm, at least approximately 0.075mm or at least about 0.1mm.In addition, the finishing grinding degree of depth can be not more than about 0.5mm, is not more than about 0.4mm, is not more than about 0.3mm or is not more than about 0.25mm.
During operation, finish 310 can be by the surface finish of workpiece, for example brick to the surface roughness that is less than about 0.1mm.In addition, the surface roughness after the difunctional ground section 104 of use is carried out grinding operation can be less than about 0.09mm, is less than about 0.08mm, is less than about 0.07mm, is less than about 0.06mm or is less than about 0.05mm.Surface roughness can be greater than about 0.01mm, is greater than about 0.02mm or is greater than about 0.03mm.Surface roughness can and comprise in the scope of any described surface roughness value between above-mentioned any surface roughness value.
With reference to figure 7, to Fig. 9, another embodiment of difunctional ground section is illustrated and represents with 700 substantially.Fig. 7 to Fig. 9 indicates difunctional ground section 700 can comprise main body 702, described main body comprises working portion 704 and finishing part 706 (for the sake of clarity, the approximate boundaries between working portion 704 and finishing part 706 is indicated by the dotted line in Fig. 7).
As shown in Fig. 7 to Fig. 9, the working portion 704 of the main body 702 of difunctional ground section 700 can comprise working surface 708.The finishing part 706 of main body 702 can comprise finish 710.Finish 710 can form continuously with working surface 708 and finish 710 can be extended from working surface 708.And finish 710 can form with respect to working surface 708 angulations 712.Angle 712 can be basic identical with above-mentioned angle 312.
On the other hand, working surface 708 can comprise that working surface area and finish 710 can comprise finish area.The working portion 708 of the main body 702 of difunctional ground section 104 can comprise working volume.And the finishing part of the main body 702 of difunctional ground section 104 can comprise finishing volume.
As shown in Figure 8, the working portion 704 of difunctional ground section 700 can comprise by outside 724 720 and below 722 (with respect to placement and the rotations of grinding ring 102) above connected to one another.Can comprise the Part I 726 tilting with angle 727 with respect to outside 724 for each 720,722.Angle 727 can be roughly the same with the angle 327 of being combined above described in Fig. 3 to Fig. 5.
Next 722 can comprise Part II 728, and described Part II extends from Part I 726 in the direction perpendicular to outside 724.720 can comprise Part II 730 above, and described Part II extends to form the cardinal principle wedge shape with the angle of wedge 731 from Part I 726 with an angle with respect to outside 724, as shown in the figure.
The angle of wedge can be at least about 130 °.For example, the angle of wedge can be at least about 131 °, at least about 132 °, at least about 133 °, at least about 134 °, at least about 135 °, at least about 136 ° or at least about 137 °.And the angle of wedge can be not more than about 145 °.In addition, the angle of wedge can be not more than about 144 °, is not more than about 143 °, is not more than about 142 °, is not more than about 141 ° or be not more than about 140 °.The angle of wedge can and comprise in the scope of any described angle of wedge value between above-mentioned any minimum or maximum angle of wedge value.
The finishing part 706 of ground section 700 can have rescinded angle semicircle cylindricality, and wherein a part is longitudinally removed from it.Finishing part 706 can comprise sphering face 732, and described sphering face can extend to the inner face 734 that is parallel to outside 724 from 720 Part II 730 above.
Ground section 700 can comprise the characteristic identical with described ground section 104, such as host material, abrasive grains, overall size (highly, width, length), radius, percent value etc. herein.
Figure 10 illustrates lapping device 1000.Lapping device 1000 can comprise the first grinder 1002 and second grinder 1004 relative with the first grinder 1002.Generally speaking, each grinder 1002,1004 can comprise that motor 1010 and axle 1012 can extend from motor 1010.In addition, grinding ring 1014 can be arranged on each axle 1012.Grinding ring 1014 can comprise according to the grinding ring of described herein one or more embodiment.As shown in Figure 10, grinding ring 1014 is spaced apart from each other and makes to set up betwixt working space 1016.Transfer system 1018 can be arranged in working space 1016.
During operation, motor 1010 can be energized with rotating shaft 1012 and connected grinding ring 1014.One or more bricks 1020 can be placed on transfer system 1018 and move into and by the working space 1016 between grinding ring 1014, make two face contact grinding rings 1014 of brick 1020.By means of the basis difunctional ground section of described one or more embodiment structures herein, grinding ring 1014 can execution work operate the Part I of removing brick face with described in this article work grinding depth from the each respective face being in contact with it.
In the case of do not move to another the group grinder with another group grinding ring, can carry out finishing operation in finishing to grind the Part II of depth removal brick face, as described herein immediately thereafter.Therefore, two of brick faces can grind and finishing between two grinding rings 1014 in single lapping device in single passage.
Generally speaking, can make the independent face of each grinding ring contact building block change the overall size of building block by building block, for example brick being moved through to the space of being set up by a pair of relative parallel grinding ring, wherein, along with building block moves through described space, the operating distance between grinding ring changes.Operating distance is measured between the face of ground section, and uses described one-tenth angle surface herein, and operating distance reduces towards the rotation of grinding ring from the periphery of grinding ring.In addition, can use the first grinding ring and the second grinding ring configuration that is parallel to the first grinding ring for the grinding system of such operation.Grinding ring can be arranged so that the operating distance between the first grinding ring and the second grinding ring changes during operation according to embodiment herein, for example, make operating distance reduce towards the rotation of grinding ring from the periphery of grinding ring.
In another particular aspects, other abrasive material characteristic between the working portion of each difunctional section and finishing part can change.For example abrasive material content can change working portion is comprised than the abrasive material content of finishing part higher concentration or lower abrasive material content.In addition, porosity can change and makes a part or another part have the porosity more greater or lesser than other part.
Example
Two test abrasive articles are constructed as a pair of.Each test abrasive article comprises 70 ground section on the steel loop that is arranged in the diameter with 750mm.35 in ground section is according to the difunctional ground section of the first described herein embodiment structure.Particularly, each difunctional ground section is that 22mm is high and have a total length of 24mm.In addition, the working portion of difunctional ground section comprises the working width (measured to inner surface from the outer surface of working portion) of 10mm.The finishing part of difunctional ground section comprises the radius of 5.5mm.In addition, finish becomes the dihedral of 193 ° to become with respect to working surface.Difunctional ground section is arranged on steel loop and makes working surface form the operating angle of about 14 ° with respect to axis of operation, and finish forms the finishing angle of about 1 ° with respect to axis of operation.In ground section 35 are single function ground section and comprise the shape and size identical with the working portion of above-mentioned difunctional ground section.
Two relatively abrasive article be provided as coupling a pair of and eachly comprise 70 standard list function ground section, have with each test abrasive article on the essentially identical size of single function ground section.Each ground section on test abrasive article and relatively abrasive article comprises the abrasive grains that is dispersed in the same particle sizes in identical binding agent with identical concentration.
Use the lapping device of similar structure on the brick of similar structure, to carry out grinding.Brick is with the speed feeding of 10m/min and 20m/min.
Figure 11 describes to use the grinding operation (Figure 11 illustrates an of centering) that relatively abrasive article is carried out on brick.Figure 12 describes the grinding operation (Figure 12 illustrates an of centering) that use test abrasive article is carried out on brick.The heat being generated by test abrasive article is only a little more than the heat (as the orange instruction in the image being caught by endo-photo camera) by relatively abrasive article generates, and the amount of the material of being removed by test abrasive article is greater than the amount by the brick that relatively abrasive article is removed.
Figure 13 describes to use relatively abrasive article to grind the first brick afterwards.Figure 14 describes use test abrasive article and grinds the second brick afterwards.Significantly, as shown in image, the surface roughness that the first brick comprises is obviously greater than the surface roughness being presented by the second brick.In fact,, in the time measuring, the first brick comprises the surface roughness of about 0.5mm.The second brick comprises the surface roughness of about 0.05mm.
Use described configuration herein, comprise that the abrasive article of difunctional ground section can be single for example, to abrasive article (, grinding ring) execution work grinding operation and finishing grinding operation for using in single lapping device.Thereby, the needs of optional equipment and instrument can obviously be reduced and can obviously be reduced the process time that brick is ground to acceptable surface finish and dimensional tolerance.
It should be noted that and not need above, in all activities described in general description or example, may not need a part for specific activities, and can carry out one or more other activities except described those.Further, list movable order and need not to be the order of carrying out them.
Some feature of for the sake of clarity describing in this article under the background of the embodiment separating also can be provided in combination in single embodiment.On the contrary, each feature of describing under the background of single embodiment for simplicity also can be provided discretely or with any sub-portfolio.In addition each value, quoting of the value with range describe being comprised within the scope of this.
The solution of benefit, other advantage and problem has been described about specific embodiment above.But, the solution of benefit, advantage, problem and can cause any benefit, advantage or crucial, the feature needs or necessity of any or all claim occur or become any (one or more) feature significantly and be not appreciated that solution.
The description of described embodiment and diagram aim to provide the general understanding of the structure of each embodiment herein.Description and diagram are not intended to as use the limit of described structure or the device of method and all elements of system and feature herein and describe comprehensively.Embodiment separately also can be provided in combination in single embodiment, and on the contrary, each feature of describing in the context of single embodiment for simplicity also can be provided discretely or with any sub-portfolio.In addition each value, quoting of the value with range describe being comprised within the scope of this.Those skilled in the art are only appreciated that many other embodiment after reading this description.Other embodiment can be used and be derived from the disclosure, makes to carry out that structure substitutes, logic substitutes or another variation and do not depart from the scope of the present disclosure.Therefore, the disclosure should be regarded as illustrative rather than restrictive.
Claims (75)
1. an abrasive article, it comprises:
Base portion, described base portion has the annular that limits central opening;
Be arranged at least one the difunctional ground section on described base portion, wherein said difunctional ground section comprises the mean inclination S having with respect to Plane of rotation
wSworking surface and there is the mean inclination S with respect to Plane Rotation
fSfinish, and S wherein
wSbe greater than S
fS.
2. abrasive article according to claim 1, wherein S
wSat least be greater than about 2xS
fS.
3. abrasive article according to claim 2, wherein S
wSat least be greater than about 3xS
fS, be at least greater than about 4xS
fS, be at least greater than about 5xS
fSor be at least greater than about 10xS
fS.
4. abrasive article according to claim 3, wherein S
wSbe less than about 25xS
fS, be less than about 20xS
fSor be less than about 15xS
fS.
5. abrasive article according to claim 1, wherein said working surface forms angulately with angle and the described finish of at least about 185 °.
6. abrasive article according to claim 5, wherein said angle is at least about 186 °, at least about 187 °, at least about 188 °, at least about 189 °, at least about 190 °, at least about 191 °, at least about 191 °, at least about 192 °, at least about 192 °, at least about 193 ° or at least about 194 °.
7. abrasive article according to claim 6, wherein said angle is not more than about 210 °, be not more than about 205 °, be not more than about 200 °, be not more than about 199 °, be not more than about 198 °, be not more than about 197 °, be not more than about 196 ° or be not more than about 195 °.
8. abrasive article according to claim 1, wherein said difunctional ground section also comprises working surface area and finish area, and described finish area is less than described working surface area.
9. abrasive article according to claim 8, wherein said finish area is less than about 60% of described working surface area.
10. abrasive article according to claim 1, wherein said difunctional ground section also comprises working volume and finishing volume, and described finishing volume is less than described working volume.
11. abrasive articles according to claim 1, wherein said base portion comprises metal or metal alloy.
12. abrasive articles according to claim 11, wherein said base portion comprises steel.
13. abrasive articles according to claim 1, wherein said base portion comprises at least approximately external diameter of 500mm.
14. abrasive articles according to claim 13, wherein said external diameter is at least about 550mm, at least about 600mm, at least about 650mm, at least about 700mm or at least about 750mm.
15. abrasive articles according to claim 14, wherein said external diameter is not more than about 1200mm, is not more than about 1150mm, is not more than about 1100mm, is not more than about 1050mm, is not more than about 1000mm, is not more than about 950mm or is not more than about 900mm.
16. abrasive articles according to claim 1, it also comprises at least 50 ground section that are arranged on described base portion.
17. abrasive articles according to claim 16, it also comprises at least 60, at least 70, at least 80, at least 90 or at least 100 ground section that are arranged on described base portion.
18. abrasive articles according to claim 17, it also comprises 200 ground section that are not more than that are arranged on described base portion.
19. abrasive articles according to claim 17, it also comprises and is arranged on being not more than 190, being not more than 180, being not more than 170, being not more than 160 or be not more than 150 ground section on described base portion.
20. abrasive articles according to claim 1, it also comprises the multiple difunctional ground section being arranged on described base portion and is arranged on the multiple single function ground section on described base portion.
21. abrasive articles according to claim 20, its also comprise equal described difunctional ground section and described single function ground section and the ground section of total quantity, wherein at least about 20% of sum comprises described difunctional ground section.
22. abrasive articles according to claim 21, wherein at least about 25%, at least about 30%, at least about 35%, at least about 40%, at least about 45%, at least about 50%, at least about 55%, at least about 60%, at least about 65%, at least about 70%, at least about 75%, at least about 80%, at least about 85%, at least about 90% or at least about 95% of sum comprises described difunctional ground section.
23. abrasive articles according to claim 22, wherein about 100% of sum comprises described difunctional ground section.
24. abrasive articles according to claim 20, wherein said difunctional ground section and described single function ground section are arranged on described base portion with repeat patterns.
25. abrasive articles according to claim 24, wherein difunctional ground section is arranged between every pair of adjacent single function ground section on described base portion.
26. abrasive articles according to claim 24, wherein multiple difunctional ground section are arranged between every pair of adjacent single function ground section on described base portion.
27. abrasive articles according to claim 24, wherein single function ground section is arranged between every pair of adjacent difunctional ground section on described base portion.
28. abrasive articles according to claim 24, wherein multiple single function ground section are arranged between every pair of adjacent difunctional ground section on described base portion.
29. abrasive articles according to claim 1, it also comprises:
Rotation, described abrasive article rotates around described rotation during use; And
Axis of operation, workpiece moves with respect to described abrasive article in the direction along described axis of operation during use;
Wherein said axis of operation is approximately perpendicular to described rotation;
Wherein said working surface limits operating angle with respect to described axis of operation;
Wherein said finish limits finishing angle with respect to described axis of operation; And
Wherein said finishing angle is less than described operating angle.
30. abrasive articles according to claim 29, wherein said finishing angle is less than about 10% of described operating angle.
31. abrasive articles according to claim 30, wherein said finishing angle be less than described operating angle about 9%, be less than about 8%, be less than about 7%, be less than about 6% or be less than about 5%.
32. abrasive articles according to claim 31, wherein said finishing angle is greater than about 0.5% of described operating angle.
33. abrasive articles according to claim 32, wherein said finishing angle be greater than described operating angle about 1.0%, be greater than about 1.5%, be greater than about 2.0%, be greater than about 2.5% or be greater than about 3.0%.
34. abrasive articles according to claim 1, wherein said finish comprises that the degree of depth is ground in finishing and described working surface comprises the work grinding degree of depth, and the wherein said finishing grinding degree of depth is less than the described work grinding degree of depth.
35. abrasive articles according to claim 34, wherein said finishing is ground the degree of depth and is less than about 10% of the described work grinding degree of depth.
36. abrasive articles according to claim 35, wherein said finishing grind the degree of depth be less than described work grind the degree of depth about 9%, be less than about 8%, be less than about 7%, be less than about 6% or be less than about 5%.
37. abrasive articles according to claim 35, wherein said finishing is ground the degree of depth and is greater than about 1.0% of the described work grinding degree of depth.
38. according to the abrasive article described in claim 37, wherein said finishing grind the degree of depth be greater than described work grind the degree of depth about 1.5%, be greater than about 2.0%, be greater than about 2.5%, be greater than about 3.0% or be greater than about 3.5%.
39. 1 kinds of difunctional ground section, it comprises:
Main body, wherein said main body comprises:
Working surface;
The finish of contiguous described working surface, wherein with the tangent First Line of described finish with respect to forming with reflex angle with tangent the second line of described working surface.
40. according to the ground section described in claim 39, and wherein said angle is at least about 185 °.
41. according to the ground section described in claim 40, and wherein said angle is at least about 186 °, at least about 187 °, at least about 188 °, at least about 189 °, at least about 190 °, at least about 191 °, at least about 191 °, at least about 192 °, at least about 192 °, at least about 193 ° or at least about 194 °.
42. according to the ground section described in claim 41, and wherein said angle is not more than about 210 °, be not more than about 205 °, be not more than about 200 °, be not more than about 199 °, be not more than about 198 °, be not more than about 197 °, be not more than about 196 ° or be not more than about 195 °.
43. according to the ground section described in claim 39, and wherein said main body also comprises working surface area and finish area, and described finish area is less than described working surface area.
44. ground section according to claim 34, wherein said finish area is less than about 60% of described working surface area.
45. according to the ground section described in claim 9 or claim 44, wherein said finish area be less than described working surface area about 55%, be less than described working surface area about 50%, be less than described working surface area about 45% or be less than about 40% of described working surface area.
46. according to the ground section described in claim 45, wherein said finish area be greater than described working surface area about 20%, be greater than described working surface area about 25%, be greater than described working surface area about 30% or be greater than about 35% of described working surface area.
47. according to the ground section described in claim 39, and wherein said main body also comprises working volume and finishing volume, and described finishing volume is less than described working volume.
48. according to the ground section described in claim 10 or claim 47, and wherein said finishing volume is less than about 60% of described working volume.
49. according to the ground section described in claim 48, wherein said finishing volume be less than described working volume about 55%, be less than described working volume about 50%, be less than described working volume about 45% or be less than about 40% of described working volume.
50. according to the ground section described in claim 49, wherein said finishing volume be greater than described working volume about 20%, be greater than described working volume about 25%, be greater than described working volume about 30% or be greater than about 35% of described working volume.
51. according to the ground section described in claim 10 or claim 47, wherein said finishing volume comprises that more than first abrasive grains and the described working volume with the first particle mean size comprise more than second abrasive grains with the second particle mean size, and described the first particle mean size and described the second particle mean size roughly the same.
52. according to the ground section described in claim 51, and wherein said the first particle mean size is less than described the second particle mean size.
53. according to the ground section described in claim 52, wherein said the first particle mean size be less than described the second particle mean size about 80%, be less than described the second particle mean size about 75%, be less than described the second particle mean size about 70%, be less than described the second particle mean size about 65%, be less than described the second particle mean size about 60%, be less than described the second particle mean size about 55%, be less than described the second particle mean size about 50%, be less than described the second particle mean size about 45% or be less than about 40% of described the second particle mean size.
54. according to the ground section described in claim 53, wherein said the first particle mean size be greater than described the second particle mean size about 20%, be greater than described the second particle mean size about 25%, be greater than described the second particle mean size about 30% or be greater than about 35% of described the second particle mean size.
55. according to the ground section described in claim 10 or claim 47, wherein said finishing volume comprises that the first binder material and the described working volume with the first binding agent hardness comprise second binder material with the second binding agent hardness, and described the first binding agent hardness and described the second binding agent hardness roughly the same.
56. according to the ground section described in claim 55, and wherein said the first binding agent hardness is less than described the second binding agent hardness.
57. according to the ground section described in claim 56, wherein said the first binding agent hardness be less than described the second adhesive hardness about 80%, be less than about 75%, be less than about 70%, be less than about 65%, be less than about 60%, be less than about 55%, be less than about 50%, be less than about 45% or be less than about 40%.
58. according to the ground section described in claim 57, wherein said the first binding agent hardness be greater than described the second binding agent hardness about 20%, be greater than about 25%, be greater than about 30% or be greater than about 35%.
59. according to the ground section described in claim 55, and wherein said the second binding agent hardness is less than described the first binding agent hardness.
60. according to the ground section described in claim 59, wherein said the second binding agent hardness be less than described the first adhesive hardness about 80%, be less than about 75%, be less than about 70%, be less than about 65%, be less than about 60%, be less than about 55%, be less than about 50%, be less than about 45% or be less than about 40%.
61. according to the ground section described in claim 60, wherein said the second binding agent hardness be greater than described the first binding agent hardness about 20%, be greater than about 25%, be greater than about 30% or be greater than about 35%.
62. according to the ground section described in claim 39, and it also comprises:
Rotation, described ground section is rotated around described rotation during use; And
Axis of operation, workpiece moves with respect to described ground section in the direction along described axis of operation during use;
Wherein said axis of operation is approximately perpendicular to described rotation;
Wherein said working surface limits operating angle with respect to described axis of operation;
Wherein said finish limits finishing angle with respect to described axis of operation; And
Wherein said finishing angle is less than described operating angle.
63. according to the ground section described in claim 62, and wherein said finishing angle is less than about 10% of described operating angle.
64. according to the ground section described in claim 63, wherein said finishing angle be less than described operating angle about 9%, be less than about 8%, be less than about 7%, be less than about 6% or be less than about 5%.
65. according to the ground section described in claim 64, and wherein said finishing angle is greater than about 0.5% of described operating angle.
66. according to the ground section described in claim 65, wherein said finishing angle be greater than described operating angle about 1.0%, be greater than about 1.5%, be greater than about 2.0%, be greater than about 2.5% or be greater than about 3.0%.
67. according to the ground section described in claim 39, and wherein said finish comprises that the degree of depth is ground in finishing and described working surface comprises the work grinding degree of depth, and the wherein said finishing grinding degree of depth is less than the described work grinding degree of depth.
68. according to the ground section described in claim 67, and wherein said finishing is ground the degree of depth and is less than about 10% of the described work grinding degree of depth.
69. according to the ground section described in claim 68, wherein said finishing grind the degree of depth be less than described work grind the degree of depth about 9%, be less than about 8%, be less than about 7%, be less than about 6% or be less than about 5%.
70. according to the ground section described in claim 68, and wherein said finishing is ground the degree of depth and is greater than about 1.0% of the described work grinding degree of depth.
71. according to the ground section described in claim 69, wherein said finishing grind the degree of depth be greater than described work grind the degree of depth about 1.5%, be greater than about 2.0%, be greater than about 2.5%, be greater than about 3.0% or be greater than about 3.5%.
72. 1 kinds for changing the method for overall size of building block, and described method comprises:
Described building block is moved through to the space of being set up by a pair of relative parallel grinding ring and make each grinding ring contact the independent face of described building block, wherein along with described building block moves through described space, the operating distance between described grinding ring changes.
73. according to the method described in claim 72, and wherein said operating distance reduces towards the rotation of described grinding ring from the periphery of described grinding ring.
74. 1 kinds of grinding systems, described system comprises:
The first grinding ring; And
Be parallel to the second grinding ring of described the first grinding ring, in which during operation the operating distance between described the first grinding ring and described the second grinding ring changes.
75. according to the system described in claim 74, and wherein said operating distance reduces towards the rotation of described grinding ring from the periphery of described grinding ring.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161582220P | 2011-12-30 | 2011-12-30 | |
| US61/582,220 | 2011-12-30 | ||
| PCT/US2012/072109 WO2013102104A1 (en) | 2011-12-30 | 2012-12-28 | Grinding ring with dual function grinding segments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103998183A true CN103998183A (en) | 2014-08-20 |
Family
ID=48698661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280062503.0A Pending CN103998183A (en) | 2011-12-30 | 2012-12-28 | Grinding ring with dual function grinding segments |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20130183891A1 (en) |
| EP (1) | EP2797718A4 (en) |
| CN (1) | CN103998183A (en) |
| WO (2) | WO2013102104A1 (en) |
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- 2012-12-28 WO PCT/US2012/072109 patent/WO2013102104A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2797718A1 (en) | 2014-11-05 |
| WO2013102172A1 (en) | 2013-07-04 |
| EP2797718A4 (en) | 2015-10-21 |
| WO2013102104A1 (en) | 2013-07-04 |
| US20130183891A1 (en) | 2013-07-18 |
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Application publication date: 20140820 |