CN104582903A - Abrasive article having reversible interchangeable abrasive segments - Google Patents

Abrasive article having reversible interchangeable abrasive segments Download PDF

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Publication number
CN104582903A
CN104582903A CN201380030223.6A CN201380030223A CN104582903A CN 104582903 A CN104582903 A CN 104582903A CN 201380030223 A CN201380030223 A CN 201380030223A CN 104582903 A CN104582903 A CN 104582903A
Authority
CN
China
Prior art keywords
section
mark
abrasive article
segment mark
abrasive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201380030223.6A
Other languages
Chinese (zh)
Inventor
M·L·候昂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Abrasifs SA
Saint Gobain Abrasives Inc
Original Assignee
Saint Gobain Abrasifs SA
Saint Gobain Abrasives Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saint Gobain Abrasifs SA, Saint Gobain Abrasives Inc filed Critical Saint Gobain Abrasifs SA
Publication of CN104582903A publication Critical patent/CN104582903A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D99/00—Subject matter not provided for in other groups of this subclass
    • B24D99/005—Segments of abrasive wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/12—Cut-off wheels
    • B24D5/123—Cut-off wheels having different cutting segments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/02—Wheels in one piece
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature
    • Y10T428/24793—Comprising discontinuous or differential impregnation or bond
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
    • Y10T428/24909—Free metal or mineral containing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

An abrasive article is disclosed and can include a core and a plurality of identical segments extending from the core. The segments can be arranged on the core to form first abrasive article indicia on a first side of the abrasive article and second abrasive article indicia on a second side of the abrasive article opposite the first side. The first abrasive article indicia can be identical to the second abrasive article indicia. Moreover, the first abrasive article indicia can be offset with respect to the second abrasive article indicia.

Description

There is the abrasive article of the grinding section of turning exchange
Technical field
Following content relates generally to abrasive tool and the process for the formation of this abrasive tool, and more specifically, relates to the method for abrasive tool and this instrument of assembling utilizing and attach to the grinding section of base portion.
Background technology
The instrument needed for more Infrastructure improvement such as building additional link and buildings and so on is indispensable for the sustainable economic expansion in development area.In addition, open area is for new and the road widened and buildings carry out alternative old Infrastructure has lasting needs.
Construction industry utilizes multiple for cutting the instrument with grinding material of construction.The old section removing or rebuild road needs to cut and grinding tool.In addition, exploitation and prepare such as to need for drilling, cutting and the instrument of polishing for the finishing material of the slabstone and so on of ground and elevation of building.Usually, these instruments comprise the grinding section being incorporated into base component or core (such as plate or wheel).As the situation of other industry, always seek the improvement for these abrasive tools.
Accompanying drawing explanation
By referring to accompanying drawing, the disclosure can be understood better and be obvious multiple feature and advantage to those skilled in the art.
Fig. 1 comprises the first orthographic plan of the abrasive article according to embodiment.
Fig. 2 comprises the second orthographic plan of the abrasive article according to embodiment.
Fig. 3 comprises the first orthographic plan of the section (segment) according to embodiment.
Fig. 4 comprises the second orthographic plan of the section according to embodiment.
Fig. 5 comprises the sectional view of the section along the line 5-5 acquisition in Fig. 3 according to embodiment.
Fig. 6 comprises the skeleton view of another abrasive article according to embodiment.
Fig. 7 comprises the detail drawing of the abrasive article obtained according to circle 8 place in the figure 7 of embodiment.
Fig. 8 comprises the skeleton view of another abrasive article according to embodiment.
Fig. 9 comprises the detail drawing of the abrasive article obtained according to circle 9 place at Fig. 8 of embodiment.
Figure 10 comprises the skeleton view of another abrasive article according to embodiment.
Figure 11 comprises the detail drawing of the abrasive article obtained according to circle 11 place at Figure 10 of embodiment.
Figure 12 comprises the skeleton view of another abrasive article according to embodiment.
Figure 13 comprises the detail drawing of the abrasive article obtained according to circle 13 place at Figure 12 of embodiment.
Figure 14 comprises the skeleton view of another abrasive article according to embodiment.
Figure 15 comprises the detail drawing of the abrasive article obtained according to circle 15 place at Figure 14 of embodiment.
Identical Reference numeral in different views for representing similar or identical article.
Embodiment
According to embodiment, abrasive article herein can comprise core and multiple grinding section being fixed to this core.This abrasive article can be the cutting tool for cutting material of construction, such as, for cutting concrete sawing machine.As selection, this abrasive article can be grinding tool, such as, for grinding concrete or fireclay or the grinding tool removing pitch.
As a rule, this abrasive article can comprise the first section and the second section.This first section can comprise and is positioned at the first segment mark on first surface and the second segment mark be positioned on second relative with first surface.This second section can comprise and is positioned at the second segment mark on first surface and the first segment mark be positioned on second relative with first surface.First section and the second section can relative to each other be arranged on core to limit the first abrasive article mark and the second abrasive article mark, this first abrasive article mark comprises the first segment mark of the first section and the second segment mark of the second section, and this second abrasive article mark comprises the second segment mark of the first section and the first segment mark of the second section.
In in concrete, the first section and the second section can comprise single section type.This single section type can have the first segment mark on the first face and have the second segment mark on relative with first surface second.In addition, this single section type can be turnover to limit the first abrasive article mark and to mark the second relative abrasive article with this first abrasive article and mark around the periphery of core.
Fig. 1 shows the exemplary abrasive articles represented with 100.As shown, this abrasive article 100 can comprise core 102.Multiple section 104 can from the periphery of core 102 or circumferential extension.This section 104 can be individually formed with core, as described herein, and is fixed to core via brazing process, fusion process, mechanical attachment etc.In in concrete, the section 104 of each phase adjacency pair is separated by the gap of such as conduit (gullet) 106 and so on.
Each conduit all can comprise first part 108, and this first part 108 extends from the neighboring of adjacent sections 104 or circumference towards the center 110 of core 102.As shown, the center 110 of core 102 or the center of this abrasive article 100.The first part 108 of conduit 106 may extend to the second section 112 be formed in core 102 of conduit 106.This second section 112 can extend from the neighboring of core 102 towards the center 110 of core 102.In addition, second section 112 can terminate in roughly rounded end 114.This rounded ends 114 can be through the perforation that core 102 is formed.
The first part 108 of conduit can comprise the open space limited by the trailing edge 118 of the second section in the leading edge 116 of the first section in paired section and paired section 104 between two adjacent sections 104.The second section 112 of conduit 106 can comprise the otch be cut in core 102.The first part 108 of conduit 106 and the second section 112 of conduit 106 roughly can align along same axis.In addition, this end 114 can comprise the center of locating along the first part 108 of conduit 106 and the central axial line of second section 112.
In in concrete, the first part 108 of conduit 106 can have the first width, and the second section 112 of each conduit 106 can comprise the second width.This first width can be greater than this second width.The end 114 of conduit 106 can have diameter, and this diameter can be greater than this first width.
In in concrete, as shown in Figures 1 and 2, section 104 is all mutually the same and can be arranged on core 102 and marks 122 to form the first abrasive article mark 120 around the neighboring of core 102 and form the second abrasive article around the neighboring of core 102 on the first side of abrasive article 100 on second side relative with the first side of abrasive article 100.Such as, section 104 and abrasive article mark 120,122 can be arranged to annular around core 102.It is roughly the same that first abrasive article mark 120 can mark 122 with the second abrasive article.In addition, the first abrasive article mark 120 can relative to the second abrasive article mark 122 skew.
Particularly, if the first abrasive article mark 120 shown in Fig. 1 is stacked on the second abrasive article mark 122 shown in Fig. 2, then the first abrasive article mark 120 can be angularly spaced apart or angularly rotate relative to the second abrasive article mark 122, and the first abrasive article mark 120 mark 120 with the second abrasive article and aligns, so as to sketch the contours of (block out) second abrasive article mark 122.In other words, if abrasive article 100 rotates around the axis 124 at center 110 through abrasive article 100, then the pattern formed around the neighboring of the core 102 of abrasive article 100 rotates or an otherwise displacement section from side to opposite side.
In in concrete, first abrasive article mark 120 can relative to second at least one section 104 of abrasive article mark 122 skew, make the first orientation of the first abrasive article mark 120 relative to second orientation of the second abrasive article mark 122 on core 102 angularly spaced apart, namely rotate.As shown in Figures 1 and 2, this abrasive article can angularly offset at least one section arc length relative to the second abrasive article mark 122 by roughly rounded and this first abrasive article mark 120.
As shown in Figures 1 and 2, the first abrasive article mark 120 and the second abrasive article mark 122 include multiple first segment mark 130 and multiple second segment mark 130.Multiple first segment mark 130 and multiple second segment mark 132 can be arranged to pattern to limit the first abrasive article mark 120 and the second abrasive article mark 122.Particularly, the first segment mark 130 and the second segment mark 132 can be arranged to annular around core 102.In addition, the first segment mark 130 and the second segment mark 132 relative to each other can replace around core 102.In another aspect, first abrasive article mark 130 and second abrasive article mark 132 in each comprised Business Name, name of product, product identifiers, corporate logo, product marking, design or its combination.
As shown in figs. 3 and 4, each section 104 can comprise first surface 140 and the second face 142, and this second face 142 is different from first surface 140 and relative with first surface 140.Especially, first surface 140 and the second face 142 are spaced apart from each other certain distance and roughly parallel to each other.First segment mark 130 can be formed in the first surface 140 of section 104 and the second segment mark 130 can be formed in second face 142 relative with first surface of section 104.Especially, the second segment mark 142 can be different from the first segment mark 140.
Fig. 3 and Fig. 4 shows that the first segment mark 130 can comprise sequential portion 150, and this sequential portion 150 extends to the trailing edge 154 of this section 104 continuously from the leading edge 152 of this section 104 along this section.In addition, first segment mark 130 can comprise at least one other parts 156, and these at least one other parts 156 are positioned in the region of being delimited by the neighboring of the leading edge 152 of sequential portion 150, this section 104, the trailing edge 154 of this section 104 and core 102 (or the neighboring being adjacent to this core 102 of this section 104 and the inside circumference 158 extended along the neighboring of this core 102).
Second segment mark 132 of each section 104 can comprise sequential portion 160, and this sequential portion 160 extends to the trailing edge 154 of this section 104 continuously from the leading edge 152 of this section 104 along this section 104.Second segment mark 132 of each section 104 can comprise at least one other parts 162 equally, and these at least one other parts 162 are positioned in the region of being delimited by the leading edge 152 of sequential portion 160, this section 104, the trailing edge 154 of this section 104 and the neighboring of core 102 or the inside circumference 158 of this section.
In in concrete, the sequential portion 150 of the first segment mark 130 and the sequential portion 160 of the second segment mark 132 are of similar shape.But at least one other parts 156 of the first segment mark 130 can be different from least one other parts 162 of the second segment mark 132.
As shown in figs. 3 and 4, section 104 can comprise the first jut 170 be formed in the first surface 140 of this section.This first jut 170 is by being formed a part of material of section 104 away from this first surface 140 is pressed in this section 104.This can perform during molding process.This molding process can comprise and utilizes hot press operation, cold press operation or some other pressing operations to suppress blank section.In in concrete, the first jut 170 can at least in part around the first segment mark 130.
In addition, the first jut can comprise roughly uniform first degree of depth D 1, this first degree of depth D 1vertically measure to this section 104 from the first surface 140 of this section 104.In one aspect, D 1can>=section thickness T 5%, this section thickness T measures from first surface 140 to the second face 142.Such as, D 1can>=10%T, or>=15%T.In another aspect, D 1can≤30%T, such as≤25%T, or≤20%T.In addition, D 1comprise in the scope of this arbitrary per-cent between arbitrary per-cent that can be in above-mentioned T value.
Each section 104 all also can comprise the second jut 172, and this second jut 172 is formed in the second face 132 in the mode identical with the first jut 170.This second jut 172 can at least in part around this second segment mark 132.Equally, the second jut 172 comprises the second degree of depth D 2, this second degree of depth D 2vertically measure to this section 104 from the second face 142 of this section 104.In one aspect, D 2can>=5%T, such as>=10%T, or>=15%T.In another aspect, D 2can≤30%T, such as≤25%T, or≤20%T.In addition, D 2comprise in the scope of this arbitrary per-cent between arbitrary per-cent that can be in above-mentioned T value.In addition, D 1=D 2± 5%D 2, such as D 2± 4%D 2, D 2± 3%D 2, D 2± 2%D 2, or D 2± 1%D 2.In another aspect, D 1=D 2.
In in concrete, jut 170,172 is by being formed from the first surface 130 of section 104 and the second face 132 removing materials.In in this, the material removed from each face 130,132 of section 104 should be roughly the same, to maintain the balance of abrasive article 100 during use and to prevent abrasive article 100 from vibrating.If D 1=D 2, by the material removed or compress on the identical total area in each face 130,132, the material of same volume is removed from each face 130,132 or compresses.Therefore, before formation first jut 170, the first surface 130 of section 104 can comprise total surface area A f1.After this first jut 170 of formation, the first segment mark 130 obtained can have the first segment mark surface-area A sI1.Equally, before formation second jut 172, the second face 132 of this section can comprise total surface area A f2.After this second jut 172 of formation, the second segment mark 132 obtained can have the second segment mark surface-area A s12.
In in concrete, A sI1can≤45%A f1, such as≤40%A f1, or≤35%A f1.In addition, A sI1can>=10%A f1, such as>=15%A f1,>=20%A f1, or>=25%A f1.A sI1can to be between any one in above-mentioned area value and to comprise in any one scope above-mentioned.
Equally, A sI2can≤45%A f2, such as≤40%A f2, or≤35%A f2.In addition, A sI2can>=10%A f2, such as>=15%A f2,>=20%A f2, or>=25%A f2.A sI2can to be between any one in above-mentioned area value and to comprise in any one scope above-mentioned.
In addition, in concrete, A sI1can=A sI2± 5%A sI2, such as A sI2± 4%A sI2, A sI2± 3%A sI2, A sI2± 2%A sI2, or A sI2± 1%A sI2.In addition, A sI1can=A sI2.
Referring now to Fig. 6 and Fig. 7, show another abrasive article and this another abrasive article is represented by with 600.This abrasive article 600 can comprise core 602.Multiple section 604 can from the periphery of core 602 or circumferential extension.The section 604 of each phase adjacency pair can be opened by the clearance gap of such as conduit 606 and so on.
In in concrete, as shown in figure 6 and figure 7, section 604 is all that mutually the same also can being arranged on core 602 marks (not shown) to form the first abrasive article mark 620 around the neighboring of core 602 and form the second abrasive article around the neighboring of core 602 on the first side of abrasive article 600 on second side relative with the first side of abrasive article 600.It is roughly the same that first abrasive article mark 620 can mark with the second abrasive article.In addition, the first abrasive article mark 620 can relative to this second abrasive article marking bias.
As shown in figure 6 and figure 7, the first abrasive article mark 620 can comprise multiple first segment mark 630 and multiple second segment mark 632.These multiple first segment marks 630 and this multiple second segment mark 632 can be arranged to pattern, such as, be arranged to annular, to limit the first abrasive article mark 620 and the second abrasive article mark.First abrasive article mark 630 and each mark in 632 of the second abrasive article all can comprise Business Name, name of product, product identifiers, corporate logo, product marking, design or its combination.
Fig. 8 and Fig. 9 depicts another abrasive article 800.This abrasive article 800 can comprise core 802.Multiple section 804 can from the periphery of core 802 or circumferential extension.The section 804 of each phase adjacency pair can be opened by the clearance gap of such as conduit 806 and so on.
As shown in figs. 8 and 9, section 804 is all that mutually the same also can being arranged on core 802 marks (not shown) to form the first abrasive article mark 820 around the neighboring of core 802 and form the second abrasive article around the neighboring of core 802 on the first side of abrasive article 800 on second side relative with the first side of abrasive article 800.It is roughly the same that first abrasive article mark 820 can mark with the second abrasive article.In addition, the first abrasive article mark 820 can relative to the second abrasive article marking bias.
First abrasive article mark 820 can comprise multiple first segment mark 830 and multiple second segment mark 832.These multiple first segment marks 830 and this multiple second segment mark 832 can be arranged to pattern, such as, be arranged to annular, to limit the first abrasive article mark 820 and the second abrasive article mark.First abrasive article mark 830 and each mark in 832 of the second abrasive article all can comprise Business Name, name of product, product identifiers, corporate logo, product marking, design or its combination.
With reference to Figure 10 and Figure 11, depict an abrasive article 1000 again.As shown, abrasive article 1000 can comprise core 1002.Multiple section 1004 can from the periphery of core 1002 or circumferential extension.The section 1004 of each phase adjacency pair all can be opened by the clearance gap of such as conduit 1006 and so on.
As shown in Figure 10 and Figure 11, section 1004 is all mutually the same and can be arranged on core 1002 and marks (not shown) to form the first abrasive article mark 1020 around the neighboring of core 1002 and form the second abrasive article around the neighboring of core 1002 on the first side of abrasive article 1000 on second side relative with the first side of abrasive article 1000.It is roughly the same that first abrasive article mark 1020 can mark with the second abrasive article.In addition, the first abrasive article mark 1020 can relative to the second abrasive article marking bias.
In in concrete, the first abrasive article mark 1020 can comprise multiple first segment mark 1030 and multiple second segment mark 1032.These multiple first segment marks 1030 and this multiple second segment mark 1032 can be arranged to pattern, such as, be arranged to annular, to limit the first abrasive article mark 1020 and the second abrasive article mark.First abrasive article mark 1030 and each mark in 1032 of the second abrasive article all can comprise Business Name, name of product, product identifiers, corporate logo, product marking, design or its combination.
Referring now to Figure 12 and Figure 13, depict an abrasive article 1200 again.This abrasive article 1200 can comprise core 1202.Multiple section 1204 can from the periphery of core 1202 or circumferential extension.The section 1204 of each phase adjacency pair can be opened by the clearance gap of such as conduit 1206 and so on.
As shown in Figure 12 and Figure 13, section 1204 is all that mutually the same also can being arranged on core 1202 marks (not shown) to form the first abrasive article mark 1220 around the neighboring of core 1202 and form the second abrasive article around the neighboring of core 1202 on the first side of abrasive article 1200 on second side relative with the first side of abrasive article 1200.It is roughly the same that first abrasive article mark 1220 can mark with the second abrasive article.In in concrete, the first abrasive article mark 1220 can relative to the second abrasive article marking bias.
In addition, the first abrasive article mark 1220 can comprise multiple first segment mark 1230 and multiple second segment mark 1232.These multiple first segment marks 1230 and this multiple second segment mark 1232 can be arranged to pattern, such as, be arranged to annular, to limit the first abrasive article mark 1220 and the second abrasive article mark.First abrasive article mark 1230 and each mark in 1232 of the second abrasive article all can comprise Business Name, name of product, product identifiers, corporate logo, product marking, design or its combination.
Figure 14 and Figure 15 depicts another abrasive article 1400.This abrasive article 1400 can comprise core 1402 and multiple section 1404 can from the periphery of core 1402 or circumferential extension.The section 1404 of each phase adjacency pair can be opened by the clearance gap of such as conduit 1406 and so on.
In in concrete, section 1404 is all mutually the same and can be arranged on core 1402 and marks (not shown) to form the first abrasive article mark 1420 around the neighboring of core 1402 and form the second abrasive article around the neighboring of core 1402 on the first side of abrasive article 1400 on second side relative with the first side of abrasive article 1400.It is roughly the same that first abrasive article mark 1420 can mark with the second abrasive article.In addition, the first abrasive article mark 1420 can relative to the second abrasive article marking bias.
As shown in figures 14 and 15, the first abrasive article mark 1420 can comprise multiple first segment mark 1430 and multiple second segment mark 1432.These multiple first segment marks 1430 and this multiple second segment mark 1432 can be arranged to pattern, such as, be arranged to annular, to limit the first abrasive article mark 1420 and the second abrasive article mark.First abrasive article mark 1430 and each mark in 1432 of the second abrasive article all can comprise Business Name, name of product, product identifiers, corporate logo, product marking, design or its combination.
In in concrete, the core of each described herein abrasive article all can according to the expection application of abrasive article ringwise, ringwise sections form, in tabular or in plate-like.This core can be made up of metal or metal alloy.Such as, this base portion can be formed from steel, and particularly by making by heat treated Steel Alloy, such as 25CrMo4,75Crl, C60 or for the similar Steel Alloy of core with thin cross section or the simple structure steel as St 60 or the resemblance for thin core.Core can have and is at least about 600N/mm 2tensile strength.Core can be formed by multiple metallurgical technology as known in the art.
In the exemplary embodiment, grind section and comprise the abrasive particle be embedded in adhesive substrate.This adhesive substrate can comprise the metallic matrix with the network be made up of interconnected pores.This abrasive particle can comprise the abrasive substance that Mohs' hardness is at least about 7.In concrete example, this abrasive particle can comprise superabrasive material, such as diamond or cubic boron nitride.Abrasive particle can have and is not less than about 400 order numbers (US mesh), such as, is not less than about 100 order numbers, is such as in particle size between about 25 to 80 order numbers.According to application, this size can be between about 30 to 60 order numbers.
Abrasive particle quantitatively can be in volume percent for about 2% to about between 50%.In addition, the quantity of abrasive particle can be depending on application.Such as, the volume percent that can comprise for the grinding section of grinding or polishing tool the cumulative volume being in grinding section is about 3.75% to the abrasive particle about between 50%.As selection, it is about 2% to the abrasive particle about between 6.25% that the grinding section for blocking instrument can comprise the volume percent of cumulative volume being in grinding section.In addition, can comprise for the grinding section of core probing the volume percent of cumulative volume being in grinding section is about 6.25% to the abrasive particle about between 20%.
Metallic matrix can comprise metallic element or comprise the metal alloy of Determination of multiple metal elements.For specifically grinding section, this metallic matrix can comprise the metallic element of such as iron, tungsten, cobalt, nickel, chromium, titanium, silver and combination and so on thereof.Under specific circumstances, this metallic matrix can comprise the rare earth element of such as metal plate, lanthanum, neodymium and combination and so on thereof.
In a concrete example, this metallic matrix can comprise wear resistant components.Such as, in one embodiment, this metallic matrix can comprise wolfram varbide, and more specifically can substantially be made up of wolfram varbide.
In particular design, this metallic matrix can comprise the particle or pre-alloyed particle that are made up of one-component.Particle can be between about 1.0 microns to about 250 microns.
As mentioned above, grinding section can be formed, impregnant (infiltrant) is present in by the interconnection network that form of intrinsic hole of grinding section.Impregnant can partly be filled, fill and even fill completely the volume of the hole of the volume of extend through grinding section fully.According to a specific design, impregnant can be metal or metal alloy material.Such as, some suitable metallic elements can comprise copper, tin, zinc and combination thereof.
In particular situations, this impregnant can be gold stamping (bronzing) material be made up of metal alloy, and particularly copper tin metal alloy, make it be particularly suitable for welding according to embodiment herein.Such as, this bronzing material can be made up of copper and tin substantially.Specific bronzing material such as can be not more than about 20% of the total amount of material in composition, be not more than about 15% in conjunction with the tin of certain content, be not more than about 12% and even be not more than about 10%.According to embodiment, this bronzing material can be included in and be in about 5% to about between 20%, being such as in about 8% to about between 15% and even be in about 8% to the tin amount in the scope about between 12%.
In addition, specific bronzing material can be used as impregnating material, and can have the total amount of material accounted in composition at least about 80%, at least about 85% so that at least about 88% copper amount.Some bronzing materials can utilize and be in about 80% to about between 95%, being such as in about 85% to about between 95% and even be in about 88% to the copper amount in the scope about between 93%.
In addition, this bronzing material can comprise other extremely low element of content, such as zinc, to contribute to suitably forming this abrasive article according to the manufacturing process of embodiment herein.Such as, this bronzing material can utilize be not more than about 10%, be such as not more than about 5% so that be not more than about 2% zinc.In fact, specific bronzing material can be substantially devoid of zinc.
This grinding section can be manufactured into and make abrasive particle can combine to form mixture with metallic matrix.This metallic matrix can comprise the mixture of the particle of the component of metallic matrix or can be the pre-alloyed particle of metallic matrix.In an embodiment, this metallic matrix can in accordance with formula (WC) ww xfe ycr zx (1-w-x-y-z), 0≤w≤0.8 in formula, 0≤x≤0.7,0≤y≤0.8,0≤z≤0.05, w+x+y+z≤1, and X can comprise other metal of such as cobalt and nickel and so on.In another embodiment, this metallic matrix can in accordance with formula (WC) ww xfe ycr zag vx (1-v-w-x-y-z), 0≤w≤0.5 in formula, 0≤x≤0.4,0≤y≤1.0,0≤z≤0.05,0≤v≤0.1, v+w+x+y+z≤1, and X can comprise other metal of such as cobalt and nickel and so on.
The mixture be made up of metallic matrix and abrasive particle by pressing operation, particularly cold press operation with formed porous grinding section thus formed grinding prefabricated component.Colding pressing can at about 50kN/cm 2(500MPa) to about 250kN/cm 2(2500MPa) perform under the pressure between.The porous abrasive section obtained can have the network be made up of the hole interconnected.In this example, porous abrasive section can have volume percent and is in porosity between about 25% to 50%.
The porous abrasive section obtained can experience infiltration process subsequently, and wherein, this impregnating material is placed in the body of grinding section, and is placed on especially by the interconnection network that form of intrinsic hole of grinding section.Impregnant can be pulled in the hole of the grinding section of colding pressing via capillary action.After infiltration process, the intensity of the strengthening grinding section obtained can be not less than about 96%.The weight percent that the amount of impregnant of this grinding section of infiltrating can be in strengthening grinding section is between about 20% to 45%.
Grinding section can comprise and is placed on grinding section and base portion, lining region namely between core, and this lining region contributes to grinding section and base portion to be connected.According to an embodiment, this lining region can be the region left with grinding section and base section.However, this lining region can be formed as a part of grinding section at first, and can be the distinct regions with the particular characteristics contributing to the link of grinding section and base portion of grinding section especially.Such as, according to an embodiment, compared with the quantity of the abrasive particle in grinding section, this lining region can have the less abrasive particle of per-cent (volume percent).In fact, under specific circumstances, this lining region can be substantially devoid of abrasive particle.This can be particularly suitable for the manufacturing process utilizing the energy (such as, laser) for grinding section is soldered to base portion to restraint.
This lining region can comprise binder composition at least partially.This binder composition can comprise metal or metal alloy.Some suitable metallic substance can comprise transition metal, and these transition metals comprise such as titanium, silver, manganese, phosphorus, aluminium, magnesium, chromium, iron, lead, copper, tin and combination thereof.
In concrete example, this binder composition can be similar to impregnant, and make this binder composition and impregnant be different from each other, its difference is not more than individual element kind.In more specifically situation, this binder composition can be identical with impregnant.According to embodiment herein, this binder composition can have specific degrees element kind concomitant in relevant to impregnant composition.Quantitatively, the element weight percent difference between binder composition and impregnant composition is no more than weight percent 20%.Element weight percent difference is defined by the absolute value of the difference of weight content compared with impregnant composition of each element comprised in this binder composition.Other embodiment has component relationship more closely between binder composition and the composition of impregnant.Element weight percent difference between binder composition and impregnant composition such as can be no more than weight percent 15%, weight percent 10%, weight percent 5%, or can be no more than weight percent 2%.The element weight percent difference being about zero represents the same combination forming this lining region and impregnant.Aforementioned elements value can be measured by any suitable analytical procedure comprising microprobe ultimate analysis and neglect the alloying action (alloying) that may occur along the region of this impregnant contacting metal matrix.
This lining region can comprise the impregnant that weight percent is at least about 90%, and such as weight percent is at least about the impregnant of 95%, and such as weight percent is at least about the impregnant of 98%.This impregnant can be all continuous print in whole lining region and strengthening grinding section.Under specific circumstances, this lining region can be formed primarily of impregnating material, and in more specifically situation, can substantially be made up of impregnating material.Moreover in other embodiments, the same with grinding section, this lining region can be infiltration region.Therefore, this lining region can comprise the network be made up of interconnected pores be formed between matrix metal, and wherein, this impregnating material fills interconnected pores subsequently.This lining region can comprise matrix metal and the impregnant of analog quantity.Especially, this lining region can be substantially devoid of abrasive particle.In such an embodiment, wherein, this lining region comprises interconnected pores, and these interconnected pores are roughly filled with impregnant, and this impregnating material can be to serve as bronzing material when forming joint (such as, weld seam) between base portion and grinding section.
In one embodiment, this lining region can be formed by bronzing material described herein.In fact, specific lining region can be made up of the copper tin bronzing material with the copper of about 88% and the tin of 12% or the copper of 90% and the tin of 10% substantially.
Generally speaking, abrasive article as described herein is made by forming multiple section.Each in this multiple section all can comprise and is positioned at the first segment mark on first surface and the second segment mark be positioned on second relative with this first surface.Although each in multiple section is all built in the same manner, the first segment mark on single section is different from the second segment mark on this section.This section can be configured on the first side of abrasive article, form the first abrasive article mark and form the second abrasive article on second side relative with the first side of abrasive article mark.This first abrasive article mark and the second abrasive article mark can comprise at least one first segment mark and at least one second segment mark.The shape marked around the abrasive article of the periphery of this abrasive article, namely roughly in sinusoidal or waveform be used in cutting zone of cutting fluid pumping being come in and gone out when this abrasive article rotates.This pump action can contribute to cooling this cutting zone and this cutting zone is cleaned out in chip or fragment.In addition, this abrasive article mark can be used as the identifier of manufacturers etc. of this abrasive article, this abrasive article.
The method manufacturing this abrasive article can comprise first in multiple section is fixed to core, make first direction faced by this first segment mark and second direction contrary with this first direction faced by the second segment mark, and second in multiple section is fixed to core, make this first direction faced by this second segment mark and this second direction faced by this first segment mark.In this aspect, this first section rotates 180 ° relative to this second section.
Section is fixed to core can comprise grinding section is soldered to core.Especially, welding process can comprise the base portion place of energetic beam illumination in each section.More specifically, when having the section in lining region, welding can comprise energetic beam illumination in the lining region place between grinding section and core.In particular situations, this energy-beam can be laser, makes each grinding section all attach to this core via laser weld joint.This laser can be the Roffin laser source that can buy from Dr.Fritsch limited-liability company.
In one aspect, each section is all by suppressing blank section in a mold and making this blank section be solidified to form.This compacting can comprise hot pressing or cold pressing.In another aspect, form each section and can comprise sintering blank section, such as, utilize spark sintering process to carry out.More on the one hand in, form each section and all can comprise described infiltration process herein.
Abrasive article described herein can also be made by forming multiple section, and wherein, each section includes the first segment mark be positioned on first surface and the second segment mark be positioned on second.Although section is identical, the first segment mark is different from the second segment mark.The method can also comprise section is arranged in abrasive article the first side on formed first abrasive article mark and formed on the second side of abrasive article second abrasive article mark.First abrasive article mark and the second abrasive article mark comprise at least one first segment mark and at least one second segment mark.In addition, the first abrasive article mark and the second abrasive article mark are identical.But the first abrasive article mark angularly offsets relative to the second abrasive article mark.
According to embodiment, this abrasive article comprises load-carrying unit and the grinding component of such as core and so on.This abrasive article can be the cutting tool for cutting material of construction, such as, for cutting concrete sawing machine.As selection, this abrasive article can be grinding tool, such as, for grinding concrete or heat-resisting clay or the grinding tool removing pitch.Especially, the following example clearly have expressed a kind of for the grinding section of infiltration being welded to the method that base portion is used for using in abrasive article.
In foregoing, the explanation that the connection of reference specific embodiment and particular elements is carried out is illustrative.Will be appreciated that, be called the parts indirect connection that is intended to the direct connection openly between described parts or undertaken by one or more intermediate member that is coupled or that connect, as by be used for the method as discussed in this article that performs recognized.Equally, above-mentioned disclosed theme will be considered to be illustrative, and be not restrictive, and claims are intended to cover all this modification dropped in true scope of the present invention, improvement and other embodiment.Thus, law allow at utmost under, scope of the present invention is determined being released by the admissible solutions the most widely required following patent and their equivalent carries out, and should not be subject to constraint or the restriction of aforementioned detailed description.
There is provided summary of the present disclosure to meet the regulation of patent law and to submit to when understanding that it is not explained being used to or limits scope or the meaning of claim.In addition, in the aforementioned detailed description of accompanying drawing, multiple feature can be gathered for simplifying object of the present disclosure or be described in single embodiment.The disclosure is not construed as reflecting embodiment needs required for protection feature more more than the feature clearly shown in each claim.On the contrary, as following claim reflect, this creative theme can be intended to be less than whole feature in any one disclosed embodiment.Thus, following patent requires to be incorporated in the detailed description of accompanying drawing, and each claim each defines theme claimed separately.

Claims (54)

1. an abrasive article, comprising:
Core; With
Multiple identical section, described multiple identical section extends from described core, wherein, described section is arranged on described core and marks to form the first abrasive article mark and form the second abrasive article on the first side of described abrasive article on second side relative with described first side of described abrasive article, wherein, described first abrasive article mark marks roughly the same with described second abrasive article, and wherein, described first abrasive article mark is relative to described second abrasive article marking bias.
2. an abrasive article, comprising:
Core; With
From the first section that described core extends, described first section has the first segment mark on the first face and have the second segment mark on relative with described first surface second;
From the second section that described core extends, described second section has the second segment mark on the first face and have the first segment mark on relative with described first surface second; With
Wherein, described first section and described second section are relative to each other arranged to restriction first abrasive article mark and the second abrasive article mark, described first abrasive article mark comprises described first segment mark of described first section and described second segment mark of described second section, and described second abrasive article mark comprises described second segment mark of described first section and described first segment mark of described second section.
3. an abrasive article, comprising:
Core; With
Single section type on described core, described single section type has the first segment mark on the first face and have the second segment mark on relative with described first surface second, wherein, described single section type can mark around the periphery of described core is turnover to limit the first abrasive article mark and to mark the second relative abrasive article with described first abrasive article.
4. manufacture a method for abrasive article, described method comprises:
Form multiple section, wherein, each section comprises and is positioned at the first segment mark on first surface and the second segment mark be positioned on second relative with described first surface, wherein, described first segment mark is different from described second segment mark, wherein, described sector architecture becomes to be formed on the first side of described abrasive article the first abrasive article mark and form the second abrasive article on second side relative with described first side of described abrasive article to mark, wherein, described first abrasive article mark and described second abrasive article mark comprise at least one first segment mark and at least one second segment mark.
5. manufacture a method for abrasive article, described method comprises:
Form multiple section, wherein, each section comprises the first segment mark be positioned on first surface and the second segment mark be positioned on second, and wherein, described first segment mark is different from described second segment mark; And
The first side described section being arranged in described abrasive article formed the first abrasive article mark and on the second side of described abrasive article, form the second abrasive article mark, wherein, described first abrasive article mark and described second abrasive article mark comprise at least one first segment mark and at least one second segment mark.
6. manufacture a method for abrasive article, described method comprises:
Form multiple section, wherein, each section comprises and is positioned at the first segment mark on first surface and the second segment mark be positioned on second relative with described first surface, and wherein, described first segment mark is different from described second segment mark; And
The first side described section being arranged in described abrasive article is formed the first abrasive article mark and form the second abrasive article on second side relative with described first side of described abrasive article and mark, wherein, described first abrasive article mark and described second abrasive article mark comprise at least one first segment mark and at least one second segment mark, and wherein, described first abrasive article mark angularly offsets relative to described second abrasive article mark.
7. the abrasive article according to any one in claim 1 and 2, wherein, described first abrasive article mark is relative to described second at least one section of abrasive article marking bias.
8. abrasive article according to claim 7, wherein, described first abrasive article marks the first orientation of comprising relative to described core and described second abrasive article marks the second orientation comprised relative to described core, and wherein, described first orientation and described second orientation angularly spaced apart.
9. the abrasive article according to any one in claim 1 and 2, wherein, each during described first abrasive article mark and described second abrasive article mark comprises multiple first segment mark and multiple second segment mark, wherein, described multiple first segment mark and described multiple second segment mark are arranged to pattern to limit described first abrasive article mark and described second abrasive article mark.
10. abrasive article according to claim 9, wherein, described first abrasive article mark and described second abrasive article mark in each comprise Business Name, name of product, product identifiers, corporate logo, product marking, design or its combine.
11. abrasive articles according to claim 10, wherein, adjacent section is opened by clearance gap.
12. abrasive articles according to claim 11, wherein, adjacent section is spaced apart by conduit.
13. abrasive articles according to claim 9, wherein, described multiple first segment mark and described multiple second segment mark are arranged to annular around described core.
14. abrasive articles according to claim 13, wherein, described multiple first segment mark and described multiple second segment mark relative to each other replace around described core.
15. abrasive articles according to claim 1, wherein, each in described multiple section comprises the first segment mark in the first surface being formed in described section and the second segment mark in relative with described first surface second that is formed in described section, wherein, described second segment mark is different from described first segment mark.
16. abrasive articles according to claim 15, wherein, described first segment mark of each section comprises sequential portion, and described sequential portion extends to the trailing edge of described section continuously from the leading edge of described section along described section.
17. abrasive articles according to claim 16, wherein, described first segment mark of each section also comprises at least one other parts, and at least one other parts described are positioned in the region of being delimited by the neighboring of the described leading edge of described sequential portion, described section, the described trailing edge of described section and described core.
18. abrasive articles according to claim 17, wherein, described second segment mark of each section comprises sequential portion, and described sequential portion extends to the trailing edge of described section continuously from the leading edge of described section along described section.
19. abrasive articles according to claim 18, wherein, described second segment mark of each section also comprises at least one other parts, and at least one other parts described are positioned in the region of being delimited by the neighboring of the described leading edge of described sequential portion, described section, the described trailing edge of described section and described core.
20. abrasive articles according to claim 19, wherein, the described sequential portion of described first segment mark and the described sequential portion of described second segment mark are of similar shape.
21. abrasive articles according to claim 20, wherein, at least one other parts described of described first segment mark are different from least one other parts described of described second segment mark.
22. abrasive articles according to claim 14, wherein, each section comprises first surface and relative with described first surface second and described first segment mark is formed in described first surface and described second segment mark is formed in described second.
23. abrasive articles according to any one in claim 22 and 3, wherein, each section comprise be arranged in described first surface at least in part around the first jut of described first segment mark, wherein, described first jut comprises the first degree of depth D1 from the described first surface of described section, and wherein, D1 >=5%T, such as >=10%T, or >=15%T.
24. abrasive articles according to claim 23, wherein, D1≤30%T, such as≤25%T, or≤20%T.
25. abrasive articles according to claim 24, wherein, each section comprise be arranged in described second at least in part around the second jut of described second segment mark, wherein, described second jut comprises the second degree of depth D2 from described second of described section, and wherein, D2 >=5%T, such as >=10%T, or >=15%T.
26. abrasive articles according to claim 25, wherein, D2≤30%T, such as≤25%T, or≤20%T.
27. abrasive articles according to claim 26, wherein, D1=D2 ± 5%D2, such as D2 ± 4%D2, D2 ± 3%D2, D2 ± 2%D2 or D2 ± 1%D2.
28. abrasive articles according to claim 27, wherein, D1=D2.
29. abrasive articles according to any one in claim 23 and 3, wherein, described first surface comprises total surface area AF1, and described first segment mark comprises surface-area ASl1, and ASl1≤45%AF1, such as≤40%AF1, or≤35%AF1.
30. abrasive articles according to claim 29, wherein, ASl1 >=10%AF1, such as >=15%AF1, >=20%AF1 or >=25%AF1.
31. abrasive articles according to claim 30, wherein, described second face comprises total surface area AF2, and described second segment mark comprises surface-area ASl2, and ASl2≤45%ASl2, such as≤40%ASl2, or≤35%ASl2.
32. abrasive articles according to claim 31, wherein, ASl2 >=10%AF2, such as >=15%AF2, >=20%AF2 or >=25%AF2.
33. abrasive articles according to claim 32, wherein, ASl1=ASl2 ± 5%ASl2, such as ASl2 ± 4%ASl2, ASl2 ± 3%ASl2, ASl2 ± 2%ASl2 or ASl2 ± 1%ASl2.
34. abrasive articles according to claim 32, wherein, ASll=ASl2.
35. abrasive articles according to any one in claim 1 and 2, wherein, described abrasive article is roughly rounded and described first abrasive article mark angularly offsets at least one section arc length relative to described second abrasive article mark.
36. abrasive articles according to claim 1, wherein, each in described multiple section comprises the abrasive particle being positioned at adhesive substrate.
37. abrasive articles according to claim 2, wherein, each section comprises the first segment mark in the first surface being formed in described section and the second segment mark in relative with described first surface described second that is formed in described section, wherein, described second segment mark is different from described first segment mark.
38. abrasive articles according to any one in claim 37 and 3, wherein, described first segment mark of each section comprises sequential portion, and described sequential portion extends to the trailing edge of described section continuously from the leading edge of described section along described section.
39. according to abrasive article according to claim 38, wherein, described first segment mark of each section also comprises at least one other parts, and at least one other parts described are positioned in the region of being delimited by the neighboring of the described leading edge of described sequential portion, described section, the described trailing edge of described section and described core.
40. according to abrasive article according to claim 39, and wherein, described second segment mark of each section comprises sequential portion, and described sequential portion extends to the trailing edge of described section continuously from the leading edge of described section along described section.
41. abrasive articles according to claim 40, wherein, described second segment mark of each section also comprises at least one other parts, and at least one other parts described are positioned in the region of being delimited by the neighboring of the described leading edge of described sequential portion, described section, the described trailing edge of described section and described core.
42. abrasive articles according to claim 41, wherein, the described sequential portion of described first segment mark and the described sequential portion of described second segment mark are of similar shape.
43. abrasive articles according to claim 42, wherein, at least one other parts described of described first segment mark are different from least one other parts described of described second segment mark.
44. abrasive articles according to claim 41, wherein, the described sequential portion of described first segment mark and the described sequential portion of described second segment mark are of similar shape.
45. abrasive articles according to claim 44, wherein, at least one other parts described of described first segment mark are different from least one other parts described of described second segment mark.
46. methods according to claim 4, also comprise:
In described multiple section first is fixed to core, makes first direction faced by described first segment mark and second direction opposite to the first direction faced by described second segment mark; And
In described multiple section second is fixed to core, makes described first direction faced by described second segment mark and described second direction faced by described first segment mark.
47. methods according to claim 46, wherein, described first section rotates 180 ° relative to described second section.
48. methods according to claim 4, wherein, form each section and comprise compacting blank section in a mold.
49. methods according to claim 48, wherein, compacting comprises hot pressing.
50. methods according to claim 48, wherein, compacting comprises colds pressing.
51. methods according to claim 48, also comprise:
Described blank section is solidified.
52. methods according to claim 4, wherein, form each section and comprise sintering blank section.
53. methods according to claim 52, wherein, sintering comprises spark sintering.
54. methods according to claim 4, wherein, form each section and comprise infiltration blank section.
CN201380030223.6A 2012-06-29 2013-06-28 Abrasive article having reversible interchangeable abrasive segments Pending CN104582903A (en)

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CA2877751A1 (en) 2014-01-03
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Application publication date: 20150429