WO2008119298A1 - Newfashioned brazing-sintering diamond tool segment - Google Patents
Newfashioned brazing-sintering diamond tool segment Download PDFInfo
- Publication number
- WO2008119298A1 WO2008119298A1 PCT/CN2008/070607 CN2008070607W WO2008119298A1 WO 2008119298 A1 WO2008119298 A1 WO 2008119298A1 CN 2008070607 W CN2008070607 W CN 2008070607W WO 2008119298 A1 WO2008119298 A1 WO 2008119298A1
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- WIPO (PCT)
- Prior art keywords
- diamond
- shaped
- diamond abrasive
- bonding agent
- straight strip
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/02—Circular saw blades
- B23D61/04—Circular saw blades with inserted saw teeth the teeth being individually inserted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
- B24D3/10—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for porous or cellular structure, e.g. for use with diamonds as abrasives
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
- B28D1/121—Circular saw blades
- B28D1/122—Circular saw blades with exchangeable cutter bits or cutter segments
Definitions
- the present invention relates to the field of hard and brittle material processing, and in particular to a diamond tool, which is widely used in single (multiple)
- the single-layer and multi-layer tools Due to the diversity and complexity of the actual grinding operation, the single-layer and multi-layer tools have their own advantages. Among them, the single-layer electroplated diamond tool is easy to manufacture due to the simple electroplating process; it does not need to be trimmed and sharpened, and is easy to use, so in the diamond tool Production applications have always occupied a large share. However, there is no strong chemical-metallurgical bond between the electrodeposited coating metal on the electroplated diamond tool and the interface between the abrasive and the abrasive substrate. The abrasive is only mechanically embedded between the plating layer and the substrate.
- the metal plating layer has a small holding force on the diamond abrasive grains, and it is extremely easy to cause the overall failure of the grinding wheel due to the falling off of the abrasive and the peeling of the plating layer.
- the thick coating layer due to the thick coating layer, the abrasive exposed height is low, and the chip space is small.
- the grinding wheel of the electroplated grinding wheel is easily broken due to the adhesion of the chip.
- the effective utilization of the abrasive itself on the electroplated grinding wheel is also extremely low.
- the brazed diamond tool generally comprises a metal substrate, a metal segment and a diamond abrasive grain.
- the metal segments are fixed on the periphery of the metal substrate, and the diamond abrasive particles are brazed on both end faces of the metal segment, the brazed diamond tool, diamond Abrasive grains are generally single-layer brazed, and the working layer has only one layer, and the service life is short.
- the object of the present invention is to provide a new type of brazed-sintered diamond which can be multi-layer brazed and has a long service life. Tool section.
- a novel brazed-sintered diamond tool segment comprising a binder, a mixture of diamond abrasive grains and a brazing filler metal, and the mixture of the diamond abrasive grains and the brazing filler metal is consolidated into at least one A straight strip-shaped diamond abrasive rod, the at least one straight strip-shaped diamond abrasive rod is coated in the bonding agent and consolidated with the bonding agent.
- the above-mentioned bonding agent is a block-shaped bonding agent, and the above-mentioned block-shaped bonding agent is provided with a plurality of straight strip-shaped accommodating cavities, and the above-mentioned straight strip-shaped diamond abrasive granules are respectively accommodated in the above-mentioned straight strip-shaped accommodating bodies.
- the cavity is consolidated with the above bonding agent.
- the above-mentioned straight strip-shaped accommodating cavities are arranged in a lattice on the above-mentioned block-shaped binder.
- the above-mentioned block-like binder is cylindrical or circular arc or circular or rectangular.
- the straight-line accommodating cavity has a circular or rectangular or trapezoidal or irregular polygon.
- the straight strip-shaped accommodating chamber and the straight strip-shaped diamond abrasive grain rod are lined with a metal tube, and the straight strip-shaped diamond abrasive grain rod, the metal tube and the bonding agent are consolidated.
- [12] further comprising a metal tube, wherein the straight-shaped diamond abrasive grain rod is fixed in the metal tube, and the metal tubes in which the straight-shaped diamond abrasive grain rod is fixed in the tube are coated in the bonding agent and The binder is consolidated together.
- the at least one straight strip-shaped diamond abrasive rod is randomly distributed in the above bonding agent.
- the diamond abrasive grains in each of the above straight strip-shaped diamond abrasive grain rods are closely arranged in a direction perpendicular to the working face of the diamond tool segment.
- the brazed-sintered diamond tool segment of the present invention is combined with sintering and brazing, and the mixture of diamond abrasive grains and brazing filler metal is brazed into a straight strip of diamond abrasive grains.
- the rods, a plurality of straight strips of diamond abrasive rods are fixed together by sintering of the binder to form diamond tool segments.
- the invention successfully solves the problem of multi-layer brazing diamond segments and greatly improves the service life of the diamond tool segments.
- the invention essentially arranges the orderly arrangement of the diamond abrasive grains in the sintering, and has the same advantages of the brazed diamond products, and the production process is easy to realize automation, and can be applied to all products of the sintered diamond, such as the disc.
- Country deletion 1 is a schematic structural view of a first embodiment of the present invention.
- FIG. 2 is a schematic structural view of a second embodiment of the present invention.
- FIG. 3 is a schematic structural diagram of Embodiment 3 of the present invention.
- FIG. 4 is a schematic structural view of a fourth embodiment of the present invention.
- FIG. 5 is a schematic structural view of Embodiment 5 of the present invention.
- Embodiment 6 is a schematic structural view of Embodiment 6 of the present invention.
- Figure 7 is a partial cross-sectional enlarged view of Figure 6.
- FIG. 8 is a schematic structural diagram of Embodiment 7 of the present invention.
- FIG. 9 is a schematic structural view of Embodiment 8 of the present invention.
- FIG. 10 is a schematic structural view of Embodiment 9 of the present invention.
- the novel brazed-sintered diamond tool segment of the present invention includes a square block-shaped bonding agent 1 and a plurality of straight-shaped diamond abrasive grain bars 2, a bulk bonding agent 1 Mechanically pressed from metal powder, the block-shaped bonding agent 1 is provided with a plurality of straight through-holes arranged in parallel and arranged in a lattice in a direction perpendicular to the working face of the diamond tool block.
- the cross section of the through hole may be a circular or rectangular or trapezoidal or irregular polygon, and the mixed diamond abrasive grains and the brazing filler metal are respectively filled into the straight through holes, and the diamond abrasive grains, the brazing material and the block shape are combined.
- the agent 1 is brazed and sintered together, and the diamond abrasive grains and the brazing filler metal are brazed into a straight strip-shaped diamond abrasive grain rod 2 in a straight through hole, and the straight strip shaped diamond abrasive grain rod 2 is filled in the block bonding agent.
- the straight strip-shaped through hole of 1 is sintered and fixed with the inner side wall of the straight strip through hole, and the diamond abrasive grains in each straight strip of diamond abrasive grain rod 2 are tightly oriented in a direction perpendicular to the working face of the diamond tool block arrangement.
- FIG. 2 The novel brazed-sintered diamond tool segment of the present invention, the second embodiment is shown in Fig. 2, which differs from the first embodiment in that the bulk bond 11 has a circular arc shape.
- the novel brazed-sintered diamond tool segment of the present invention, the third embodiment is shown in FIG. 3, specifically a grinding wheel segment, including an annular block-shaped bonding agent 12 and a plurality of straight-line diamond-shaped abrasive particles 2, the bulk bond 12 is mechanically pressed from the metal powder, and the block binder 1 is provided in a plurality of directions perpendicular to the grinding wheel block working face (the outer cylindrical surface of the block bond 12)
- Straight strip-shaped through holes arranged in parallel and in a lattice pattern, the straight strip-shaped through holes may have a circular or rectangular or trapezoidal or irregular polygonal cross section,
- the mixed diamond abrasive grains and the brazing filler metal are respectively filled into the straight through holes, and the diamond abrasive grains, the brazing filler metal and the bulk bonding agent 12 are brazed and sintered together, and the diamond abrasive grains and the brazing filler metal are straight.
- the strip-shaped through holes are brazed into straight strip-shaped diamond abrasive rods 2, and the straight strip-shaped diamond abrasive rods 2 are filled in the straight through holes of the block-like bonding agent 12 and sintered with the inner side walls of the straight strip-shaped through holes Fixed together, and the diamond abrasive grains in each of the straight strips of diamond abrasive grains 2 are closely arranged in a direction perpendicular to the working face of the grinding wheel segments.
- a novel brazed-sintered diamond tool segment of the present invention is a bit segment comprising an annular block-like bond 13 and a plurality of straight strip-shaped diamond abrasive rods 21
- the block-shaped bonding agent 13 is mechanically pressed from the metal powder, and the block-shaped bonding agent 13 is provided in a plurality of parallel directions in a direction perpendicular to the working surface of the drill bit (the outer end surface of the block-shaped bonding agent 13).
- the novel brazed-sintered diamond tool segment of the present invention is also a bit segment, which differs from the fourth embodiment in that: the block-shaped bonding agent 13 is provided with a sink. 131.
- the diamond abrasive grains and the brazing filler metal may be brazed into a straight strip-shaped diamond abrasive grain bar by a suitable process, and the straight-line diamond abrasive grain bar is correspondingly prefabricated.
- the straight strip-shaped through holes (grooves) of the block-like binder are finally fixed together by sintering to form diamond tool segments.
- the diamond abrasive grains and the brazing filler metal may be first loaded into the metal pipe by a suitable process, and the metal pipe containing the diamond abrasive grains and the brazing filler metal may be correspondingly loaded into the prefabricated block combination.
- the straight strip-shaped through holes (grooves) of the agent are finally fixed together by brazing-sintering to form diamond tool segments.
- the novel brazed-sintered diamond tool segment of the present invention as shown in FIG. 6 and FIG.
- a grinding wheel segment comprising an annular block-shaped bonding agent 12
- a plurality of straight-line diamond-shaped abrasive grain rods 2 and a plurality of metal pipes 3 are filled, and the mixed diamond abrasive grains and the brazing filler metal are respectively filled into the respective metal pipes 3, and the metal pipes 3 filled with the diamond abrasive grains and the brazing filler metal are mixed with the metal powder to be pressed and brazed.
- the novel brazed-sintered diamond tool segment of the present invention includes a square block-shaped bond 1, a plurality of straight strip-shaped diamond abrasive grains rods 2, and a plurality of metal tubes 3 Filling the mixed diamond abrasive grains and the brazing filler metal into the metal pipes 3, respectively, and arranging the metal pipe 3 filled with the diamond abrasive grains and the brazing material in the tube direction to be parallel to each other in a plurality of columns, each column
- the metal pipes 3 are arranged closely to each other, and all the metal pipes 3 filled with diamond abrasive grains and brazing filler metal are pressed by metal powder and brazed-sintered together, and the diamond abrasive grains and the brazing filler metal are brazed in the metal pipe 3.
- Straight strip-shaped diamond abrasive rod 2 straight strip-shaped diamond abrasive rod 2 is filled in the metal tube 3 and brazed and fixed to the inner side wall of the metal tube 3, and each of the straight strip-shaped diamond abrasive rods 2
- the diamond abrasive grains are closely arranged along the length direction of the metal pipe 3, the metal powder is pressed and sintered into a square block-shaped binder 1 and the inner layers of the block-like binder 1 are arranged in parallel with a plurality of tubes brazed with a straight-shaped diamond mill.
- FIG. 9 The novel brazed-sintered diamond tool segment of the present invention, the eighth embodiment is shown in Fig. 9, which differs from the seventh embodiment in that the block-like bonding agent 11 has a circular arc shape.
- a novel brazed-sintered diamond tool segment of the present invention which is shown in Fig. 10, is a beaded block, which differs from the seventh embodiment in that the block-like bonding agent 14 has a cylindrical shape.
- the metal tube to which the diamond abrasive grains and the brazing filler metal are added and the prepared metal powder are first loaded into the graphite.
- the mold it is pressed and sintered by brazing, and the sintering and brazing work is completed in one time.
- the good metal tubes and the prepared metal powder are loaded into the graphite mold together, and are pressed and sintered into agglomerates, and the segments are separated by graphite blocks.
- novel brazed-sintered diamond tool segment of the present invention can be separately sintered into diamond tool segments, or can be sintered together with a metal substrate to form a diamond tool.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A brazing-sintering diamond tool segment is composed of binding agent (1,11,12,13,14) and mixture of diamond mill grain and solder. The mixture of diamond mill grain and solder is formed into at least one vertical diamond mill grain stick (2,21). Said at least one vertical diamond mill grain stick (2,21) is cladded in binding agent (1,11,12,13,14) and is fixed with the binding agent (1,11,12,13,14). The segments of diamond tools produced by soldering and sintering can solve the problem of multilayer segments of diamond tools and improve the service life. The diamond mill grain is orderly arranged during the sintering process, and the total advantages of soldering diamond product are obtained, so the procedure is easy to realize automatization. This method can be used for all the products of sintering diamond.
Description
说明书 新型钎焊-烧结金刚石工具节块 Manual New Brazing - Sintered Diamond Tool Section
#細或 #细 or
[1] 本发明涉及硬脆材料加工领域， 具体涉及一种金刚石工具， 广泛应用于单 （多 [1] The present invention relates to the field of hard and brittle material processing, and in particular to a diamond tool, which is widely used in single (multiple)
) 晶硅等高硬度晶体、 石材切割， 以及玻璃、 陶瓷、 宝石、 石墨加工行业。 ) Crystalline silicon and other high hardness crystals, stone cutting, and glass, ceramic, gemstone, and graphite processing industries.
[2] 目前已有的金刚石工具通常可分为单层电镀和多层烧结 （包括热固化） 两大类[2] Currently available diamond tools can be generally divided into two types: single layer plating and multilayer sintering (including heat curing).
， 由于实际磨削作业的多样性与复杂性， 单层与多层工具各有所长， 其中单层 电镀金刚石工具由于电镀工艺简单， 制作容易； 无需修整修锐， 使用方便， 因 此在金刚石工具的生产应用中都一直占据着很大的份额。 但是由于电镀金刚石 工具上电沉积的镀层金属与磨料和磨具基体的界面上均不存在牢固的化学冶金 结合。 磨料只是被机械地包埋在镀层与基体之间， 因此金属镀层对金刚石磨粒 的把持力小， 极容易因磨料脱落和镀层成片剥离而导致砂轮的整体失效。 另外 ， 由于镀层厚， 磨料出露高度低， 容屑空间小， 电镀砂轮磨削吋很容易因切屑 的粘附堵塞而失效。 同吋， 电镀砂轮上磨料本身的有效利用率也极低。 Due to the diversity and complexity of the actual grinding operation, the single-layer and multi-layer tools have their own advantages. Among them, the single-layer electroplated diamond tool is easy to manufacture due to the simple electroplating process; it does not need to be trimmed and sharpened, and is easy to use, so in the diamond tool Production applications have always occupied a large share. However, there is no strong chemical-metallurgical bond between the electrodeposited coating metal on the electroplated diamond tool and the interface between the abrasive and the abrasive substrate. The abrasive is only mechanically embedded between the plating layer and the substrate. Therefore, the metal plating layer has a small holding force on the diamond abrasive grains, and it is extremely easy to cause the overall failure of the grinding wheel due to the falling off of the abrasive and the peeling of the plating layer. In addition, due to the thick coating layer, the abrasive exposed height is low, and the chip space is small. The grinding wheel of the electroplated grinding wheel is easily broken due to the adhesion of the chip. At the same time, the effective utilization of the abrasive itself on the electroplated grinding wheel is also extremely low.
[3] 国外在 90年代初开始研究用钎焊代替电镀开发新一代单层钎焊金刚石工具， 借 助高温钎焊使钎料在金刚石磨粒与金属基体界面上发生溶解、 扩散、 化合之类 的相互作用从而提高基体对金刚石磨粒的把持力， 改善磨料、 结合剂 （钎料合 金） 、 基体三者之间的结合强度。 金刚石钎焊技术， 可实现金刚石、 结合剂和 金属基体界面化学冶金结合， 具有较高的结合强度， 很薄的结合剂厚度， 极高 的裸露高度， 实现金刚石的充分利用， 提高了工具的寿命和加工效率， 改变了 以往电镀沉积及烧结金刚石把持力不高的特点。 钎焊金刚石工具一般包括金属 基体、 金属节块和金刚石磨粒， 金属节块固定在金属基体的周沿， 金刚石磨粒 钎焊在金属节块的两端面上， 这种钎焊金刚石工具， 金刚石磨粒一般都是单层 钎焊， 其工作层只有一层， 使用寿命较短。 [3] In the early 1990s, foreign countries began to study the development of a new generation of single-layer brazed diamond tools by soldering instead of electroplating. The high-temperature brazing causes the solder to dissolve, diffuse, and combine at the interface between the diamond abrasive grains and the metal matrix. The interaction increases the holding force of the matrix on the diamond abrasive grains, and improves the bonding strength between the abrasive, the bonding agent (solder alloy) and the matrix. Diamond brazing technology can realize the chemical metallurgical bonding of diamond, bond and metal matrix interface, with high bonding strength, very thin bond thickness, and extremely high exposed height, achieving full utilization of diamond and improving tool life. And the processing efficiency has changed the characteristics of the previous plating deposition and the low holding power of sintered diamond. The brazed diamond tool generally comprises a metal substrate, a metal segment and a diamond abrasive grain. The metal segments are fixed on the periphery of the metal substrate, and the diamond abrasive particles are brazed on both end faces of the metal segment, the brazed diamond tool, diamond Abrasive grains are generally single-layer brazed, and the working layer has only one layer, and the service life is short.
[4] 本发明的目的是提供一种可多层钎焊、 使用寿命较长的新型钎焊 -烧结金刚石
工具节块。 [4] The object of the present invention is to provide a new type of brazed-sintered diamond which can be multi-layer brazed and has a long service life. Tool section.
[5] 本发明的技术方案是这样的： 新型钎焊-烧结金刚石工具节块， 包括结合剂、 金刚石磨粒与钎料的混合物， 上述金刚石磨粒与钎料的混合物固结成至少一根 直条状金刚石磨粒棒， 此至少一根直条状金刚石磨粒棒包覆于上述结合剂内且 与上述结合剂固结在一起。 [5] The technical solution of the present invention is as follows: a novel brazed-sintered diamond tool segment comprising a binder, a mixture of diamond abrasive grains and a brazing filler metal, and the mixture of the diamond abrasive grains and the brazing filler metal is consolidated into at least one A straight strip-shaped diamond abrasive rod, the at least one straight strip-shaped diamond abrasive rod is coated in the bonding agent and consolidated with the bonding agent.
[6] 上述结合剂为块状结合剂， 上述块状结合剂上设有复数个直条状容置腔， 上述 各直条状金刚石磨粒棒分别对应容置于上述各直条状容置腔内与上述结合剂固 结在一起。 [6] The above-mentioned bonding agent is a block-shaped bonding agent, and the above-mentioned block-shaped bonding agent is provided with a plurality of straight strip-shaped accommodating cavities, and the above-mentioned straight strip-shaped diamond abrasive granules are respectively accommodated in the above-mentioned straight strip-shaped accommodating bodies. The cavity is consolidated with the above bonding agent.
[7] 上述各直条状容置腔相互平行。 [7] The above straight strip-shaped accommodating cavities are parallel to each other.
[8] 上述各直条状容置腔在上述块状结合剂上呈点阵排列。 [8] The above-mentioned straight strip-shaped accommodating cavities are arranged in a lattice on the above-mentioned block-shaped binder.
[9] 上述块状结合剂呈圆柱形或圆弧形或圆环形或长方形。 [9] The above-mentioned block-like binder is cylindrical or circular arc or circular or rectangular.
[10] 上述直条状容置腔的横截面呈圆形或长方形或梯形或不规则多边形。 [10] The straight-line accommodating cavity has a circular or rectangular or trapezoidal or irregular polygon.
[11] 上述直条状容置腔与上述直条状金刚石磨粒棒之间衬设有金属管， 上述直条状 金刚石磨粒棒、 上述金属管和上述结合剂固结在一起。 [11] The straight strip-shaped accommodating chamber and the straight strip-shaped diamond abrasive grain rod are lined with a metal tube, and the straight strip-shaped diamond abrasive grain rod, the metal tube and the bonding agent are consolidated.
[12] 还包括金属管， 上述直条状金刚石磨粒棒固结于上述金属管内， 管内固结有上 述直条状金刚石磨粒棒的上述各金属管包覆于上述结合剂内且与上述结合剂固 结在一起。 [12] further comprising a metal tube, wherein the straight-shaped diamond abrasive grain rod is fixed in the metal tube, and the metal tubes in which the straight-shaped diamond abrasive grain rod is fixed in the tube are coated in the bonding agent and The binder is consolidated together.
[13] 上述至少一根直条状金刚石磨粒棒随机分布在上述结合剂内。 [13] The at least one straight strip-shaped diamond abrasive rod is randomly distributed in the above bonding agent.
[14] 上述各直条状金刚石磨粒棒中的金刚石磨粒沿垂直于金刚石工具节块工作面的 方向紧密排列。 [14] The diamond abrasive grains in each of the above straight strip-shaped diamond abrasive grain rods are closely arranged in a direction perpendicular to the working face of the diamond tool segment.
[15] 釆用上述方案后， 本发明的钎焊-烧结金刚石工具节块， 釆用了烧结与钎焊相 结合的方法， 金刚石磨粒和钎料的混合物钎焊成直条状金刚石磨粒棒， 复数根 直条状金刚石磨粒棒通过结合剂烧结固定在一起形成金刚石工具节块。 本发明 成功解决了多层钎焊金刚石节块的问题， 大大提高了金刚石工具节块的使用寿 命。 本发明实质上就是对烧结中的金刚石磨粒进行了有序的排列， 同吋又具有 钎焊金刚石产品的全部优势， 且生产过程易实现自动化， 可应于烧结金刚石的 全部产品， 如圆盘锯片、 钻头、 带锯、 桶锯、 绳锯、 磨头、 砂轮等。 [15] After the above scheme, the brazed-sintered diamond tool segment of the present invention is combined with sintering and brazing, and the mixture of diamond abrasive grains and brazing filler metal is brazed into a straight strip of diamond abrasive grains. The rods, a plurality of straight strips of diamond abrasive rods are fixed together by sintering of the binder to form diamond tool segments. The invention successfully solves the problem of multi-layer brazing diamond segments and greatly improves the service life of the diamond tool segments. The invention essentially arranges the orderly arrangement of the diamond abrasive grains in the sintering, and has the same advantages of the brazed diamond products, and the production process is easy to realize automation, and can be applied to all products of the sintered diamond, such as the disc. Saw blades, drill bits, band saws, bucket saws, wire saws, grinding heads, grinding wheels, etc.
國删
[16] 图 1为本发明实施例一的结构示意图。 Country deletion 1 is a schematic structural view of a first embodiment of the present invention.
[17] 图 2为本发明实施例二的结构示意图。 2 is a schematic structural view of a second embodiment of the present invention.
[18] 图 3为本发明实施例三的结构示意图。 FIG. 3 is a schematic structural diagram of Embodiment 3 of the present invention.
[19] 图 4为本发明实施例四的结构示意图。 4 is a schematic structural view of a fourth embodiment of the present invention.
[20] 图 5为本发明实施例五的结构示意图。 FIG. 5 is a schematic structural view of Embodiment 5 of the present invention.
[21] 图 6为本发明实施例六的结构示意图。 6 is a schematic structural view of Embodiment 6 of the present invention.
[22] 图 7为图 6的局部剖示放大图。 Figure 7 is a partial cross-sectional enlarged view of Figure 6.
[23] 图 8为本发明实施例七的结构示意图。 FIG. 8 is a schematic structural diagram of Embodiment 7 of the present invention.
[24] 图 9为本发明实施例八的结构示意图。 FIG. 9 is a schematic structural view of Embodiment 8 of the present invention.
[25] 图 10为本发明实施例九的结构示意图。 FIG. 10 is a schematic structural view of Embodiment 9 of the present invention.
難 difficult
[26] 本发明的新型钎焊-烧结金刚石工具节块， 实施例一如图 1所示， 包括四方形块 状结合剂 1和复数根直条状金刚石磨粒棒 2， 块状结合剂 1通过机械的方式由金属 粉压制而成， 块状结合剂 1上沿与金刚石工具节块工作面相垂直的方向开设有复 数个相平行且呈点阵排列的直条状通孔， 此直条状通孔的横截面可为圆形或长 方形或梯形或不规则多边形， 将混合好的金刚石磨粒及钎料分别填充到各直条 状通孔内， 将金刚石磨粒、 钎料、 块状结合剂 1三者一起进行钎焊-烧结， 金刚石 磨粒及钎料在直条状通孔内钎焊成直条状金刚石磨粒棒 2， 直条状金刚石磨粒棒 2填充于块状结合剂 1的直条状通孔内并与直条状通孔的内侧壁烧结固定在一起 ， 且各直条状金刚石磨粒棒 2中的金刚石磨粒沿垂直于金刚石工具节块工作面的 方向紧密排列。 [26] The novel brazed-sintered diamond tool segment of the present invention, as shown in FIG. 1, includes a square block-shaped bonding agent 1 and a plurality of straight-shaped diamond abrasive grain bars 2, a bulk bonding agent 1 Mechanically pressed from metal powder, the block-shaped bonding agent 1 is provided with a plurality of straight through-holes arranged in parallel and arranged in a lattice in a direction perpendicular to the working face of the diamond tool block. The cross section of the through hole may be a circular or rectangular or trapezoidal or irregular polygon, and the mixed diamond abrasive grains and the brazing filler metal are respectively filled into the straight through holes, and the diamond abrasive grains, the brazing material and the block shape are combined. The agent 1 is brazed and sintered together, and the diamond abrasive grains and the brazing filler metal are brazed into a straight strip-shaped diamond abrasive grain rod 2 in a straight through hole, and the straight strip shaped diamond abrasive grain rod 2 is filled in the block bonding agent. The straight strip-shaped through hole of 1 is sintered and fixed with the inner side wall of the straight strip through hole, and the diamond abrasive grains in each straight strip of diamond abrasive grain rod 2 are tightly oriented in a direction perpendicular to the working face of the diamond tool block arrangement.
[27] 本发明的新型钎焊-烧结金刚石工具节块， 实施例二如图 2所示， 其与实施例一 的区别在于： 块状结合剂 11呈圆弧形。 [27] The novel brazed-sintered diamond tool segment of the present invention, the second embodiment is shown in Fig. 2, which differs from the first embodiment in that the bulk bond 11 has a circular arc shape.
[28] 本发明的新型钎焊-烧结金刚石工具节块， 实施例三如图 3所示， 具体是一种砂 轮节块， 包括环形块状结合剂 12和复数根直条状金刚石磨粒棒 2， 块状结合剂 12 通过机械的方式由金属粉压制而成， 块状结合剂 1上沿与砂轮节块工作面 （块状 结合剂 12的外圆柱面） 相垂直的方向开设有复数个相平行且呈点阵排列的直条 状通孔， 此直条状通孔的横截面可为圆形或长方形或梯形或不规则多边形， 将
混合好的金刚石磨粒及钎料分别填充到各直条状通孔内， 将金刚石磨粒、 钎料 、 块状结合剂 12三者一起进行钎焊-烧结， 金刚石磨粒及钎料在直条状通孔内钎 焊成直条状金刚石磨粒棒 2， 直条状金刚石磨粒棒 2填充于块状结合剂 12的直条 状通孔内并与直条状通孔的内侧壁烧结固定在一起， 且各直条状金刚石磨粒棒 2 中的金刚石磨粒沿垂直于砂轮节块工作面的方向紧密排列。 [28] The novel brazed-sintered diamond tool segment of the present invention, the third embodiment is shown in FIG. 3, specifically a grinding wheel segment, including an annular block-shaped bonding agent 12 and a plurality of straight-line diamond-shaped abrasive particles 2, the bulk bond 12 is mechanically pressed from the metal powder, and the block binder 1 is provided in a plurality of directions perpendicular to the grinding wheel block working face (the outer cylindrical surface of the block bond 12) Straight strip-shaped through holes arranged in parallel and in a lattice pattern, the straight strip-shaped through holes may have a circular or rectangular or trapezoidal or irregular polygonal cross section, The mixed diamond abrasive grains and the brazing filler metal are respectively filled into the straight through holes, and the diamond abrasive grains, the brazing filler metal and the bulk bonding agent 12 are brazed and sintered together, and the diamond abrasive grains and the brazing filler metal are straight. The strip-shaped through holes are brazed into straight strip-shaped diamond abrasive rods 2, and the straight strip-shaped diamond abrasive rods 2 are filled in the straight through holes of the block-like bonding agent 12 and sintered with the inner side walls of the straight strip-shaped through holes Fixed together, and the diamond abrasive grains in each of the straight strips of diamond abrasive grains 2 are closely arranged in a direction perpendicular to the working face of the grinding wheel segments.
[29] 本发明的新型钎焊-烧结金刚石工具节块， 实施例四如图 4所示， 是一种钻头节 块， 包括环形块状结合剂 13和复数根直条状金刚石磨粒棒 21， 块状结合剂 13通 过机械的方式由金属粉压制而成， 块状结合剂 13上沿与钻头节块工作面 （块状 结合剂 13的外端面） 相垂直的方向开设有复数个相平行且贯通块状结合剂 13厚 度方向的直条状通槽， 将混合好的金刚石磨粒及钎料分别填充到各直条状通槽 内， 将金刚石磨粒、 钎料、 块状结合剂 13三者一起进行钎焊-烧结， 金刚石磨粒 及钎料在直条状通槽内钎焊成直条状金刚石磨粒棒 21， 直条状金刚石磨粒棒 21 填充于块状结合剂 13的直条状通槽内并与直条状通槽的内侧壁烧结固定在一起 ， 且各直条状金刚石磨粒棒 21中的金刚石磨粒沿垂直于钻头节块工作面的方向 紧密排列。 [29] A novel brazed-sintered diamond tool segment of the present invention, as shown in FIG. 4, is a bit segment comprising an annular block-like bond 13 and a plurality of straight strip-shaped diamond abrasive rods 21 The block-shaped bonding agent 13 is mechanically pressed from the metal powder, and the block-shaped bonding agent 13 is provided in a plurality of parallel directions in a direction perpendicular to the working surface of the drill bit (the outer end surface of the block-shaped bonding agent 13). And passing through the straight strip-shaped through grooves in the thickness direction of the block-shaped bonding agent 13, filling the mixed diamond abrasive grains and the brazing filler into the straight strip-shaped through grooves, respectively, and grinding the diamond abrasive grains, the brazing filler metal and the bulk bonding agent 13 The three are brazed-sintered together, and the diamond abrasive grains and the brazing filler metal are brazed into a straight strip-shaped diamond abrasive grain rod 21 in a straight strip-shaped groove, and the straight strip-shaped diamond abrasive grain rod 21 is filled in the bulk bonding agent 13 The straight strip-shaped through grooves are sintered and fixed to the inner side walls of the straight strip-shaped through grooves, and the diamond abrasive grains in each of the straight strip-shaped diamond abrasive grains 21 are closely arranged in a direction perpendicular to the working face of the drill block.
[30] 本发明的新型钎焊-烧结金刚石工具节块， 实施例五如图 5所示， 也是一种钻头 节块， 其与实施例四的区别在于： 块状结合剂 13上开设有水槽 131。 [30] The novel brazed-sintered diamond tool segment of the present invention, as shown in FIG. 5, is also a bit segment, which differs from the fourth embodiment in that: the block-shaped bonding agent 13 is provided with a sink. 131.
[31] 本发明的上述各实施例中， 通过合适的工艺， 可先将金刚石磨粒及钎料钎焊成 直条状金刚石磨粒棒， 再将直条状金刚石磨粒棒对应装入预制的块状结合剂的 直条状通孔 （槽） 内， 最后经烧结固定在一起形成金刚石工具节块。 [31] In the above embodiments of the present invention, the diamond abrasive grains and the brazing filler metal may be brazed into a straight strip-shaped diamond abrasive grain bar by a suitable process, and the straight-line diamond abrasive grain bar is correspondingly prefabricated. The straight strip-shaped through holes (grooves) of the block-like binder are finally fixed together by sintering to form diamond tool segments.
本发明的上述各实施例中， 通过合适的工艺， 也可先将金刚石磨粒及钎料装入 金属管内， 再将装有金刚石磨粒及钎料的金属管对应装入预制的块状结合剂的 直条状通孔 （槽） 内， 最后经钎焊 -烧结固定在一起形成金刚石工具节块。 本发明的新型钎焊-烧结金刚石工具节块， 实施例六如图 6、 7所示， 也是一种 砂轮节块， 包括环形块状结合剂 12、 复数根直条状金刚石磨粒棒 2和复数根金属 管 3， 将混合好的金刚石磨粒及钎料分别填充到各金属管 3中， 将管内填充有金 刚石磨粒及钎料的金属管 3与金属粉混合在一起进行压制并钎焊-烧结， 金刚石磨 粒及钎料在金属管 3内钎焊成直条状金刚石磨粒棒 2， 且直条状金刚石磨粒棒 2与
金属管 3的内侧壁钎焊固定在一起， 且各直条状金刚石磨粒棒 2中的金刚石磨粒 沿金属管 3的长度方向紧密排列， 金属粉被压制烧结成环形块状结合剂 12且环形 块状结合剂 12内随机分布有复数根管内钎焊有直条状金刚石磨粒棒 2的金属管 3 ， 最终形成砂轮节块。 In the above embodiments of the present invention, the diamond abrasive grains and the brazing filler metal may be first loaded into the metal pipe by a suitable process, and the metal pipe containing the diamond abrasive grains and the brazing filler metal may be correspondingly loaded into the prefabricated block combination. The straight strip-shaped through holes (grooves) of the agent are finally fixed together by brazing-sintering to form diamond tool segments. The novel brazed-sintered diamond tool segment of the present invention, as shown in FIG. 6 and FIG. 7, is also a grinding wheel segment, comprising an annular block-shaped bonding agent 12, a plurality of straight-line diamond-shaped abrasive grain rods 2 and a plurality of metal pipes 3 are filled, and the mixed diamond abrasive grains and the brazing filler metal are respectively filled into the respective metal pipes 3, and the metal pipes 3 filled with the diamond abrasive grains and the brazing filler metal are mixed with the metal powder to be pressed and brazed. - sintering, diamond abrasive grains and brazing filler metal are brazed into a straight strip of diamond abrasive grain rod 2 in a metal tube 3, and a straight strip of diamond abrasive grain rod 2 is The inner side walls of the metal pipe 3 are brazed and fixed together, and the diamond abrasive grains in the straight strip-shaped diamond abrasive grain rods 2 are closely arranged along the length direction of the metal pipe 3, and the metal powder is pressed and sintered into the annular block-shaped bonding agent 12 and The annular block-shaped binder 12 is randomly distributed with a plurality of metal tubes 3 brazed with a straight-shaped diamond abrasive grain rod 2 in a tube, and finally a grinding wheel segment is formed.
[34] 本发明的新型钎焊-烧结金刚石工具节块， 实施例七如图 8所示， 包括四方形块 状结合剂 1、 复数根直条状金刚石磨粒棒 2和复数根金属管 3， 将混合好的金刚石 磨粒及钎料分别填充到各金属管 3中， 将管内填充有金刚石磨粒及钎料的金属管 3管口方向一致地间隔排列成相互平行的复数列， 各列中的金属管 3相互紧密排 布， 所有管内填充有金刚石磨粒及钎料的金属管 3通过金属粉压制并钎焊-烧结固 定在一起， 金刚石磨粒及钎料在金属管 3内钎焊成直条状金刚石磨粒棒 2， 直条 状金刚石磨粒棒 2填充于金属管 3内并与金属管 3的内侧壁钎焊固定在一起， 且各 直条状金刚石磨粒棒 2中的金刚石磨粒沿金属管 3的长度方向紧密排列， 金属粉 被压制烧结成四方形块状结合剂 1且块状结合剂 1内相平行地排列有复数根管内 钎焊有直条状金刚石磨粒棒 2的金属管 3， 最终形成金刚石工具节块。 [34] The novel brazed-sintered diamond tool segment of the present invention, as shown in FIG. 8, includes a square block-shaped bond 1, a plurality of straight strip-shaped diamond abrasive grains rods 2, and a plurality of metal tubes 3 Filling the mixed diamond abrasive grains and the brazing filler metal into the metal pipes 3, respectively, and arranging the metal pipe 3 filled with the diamond abrasive grains and the brazing material in the tube direction to be parallel to each other in a plurality of columns, each column The metal pipes 3 are arranged closely to each other, and all the metal pipes 3 filled with diamond abrasive grains and brazing filler metal are pressed by metal powder and brazed-sintered together, and the diamond abrasive grains and the brazing filler metal are brazed in the metal pipe 3. Straight strip-shaped diamond abrasive rod 2, straight strip-shaped diamond abrasive rod 2 is filled in the metal tube 3 and brazed and fixed to the inner side wall of the metal tube 3, and each of the straight strip-shaped diamond abrasive rods 2 The diamond abrasive grains are closely arranged along the length direction of the metal pipe 3, the metal powder is pressed and sintered into a square block-shaped binder 1 and the inner layers of the block-like binder 1 are arranged in parallel with a plurality of tubes brazed with a straight-shaped diamond mill. Bar 2 Metal pipe 3, the final nodal form diamond tools.
[35] 本发明的新型钎焊-烧结金刚石工具节块， 实施例八如图 9所示， 其与实施例七 的区别在于： 块状结合剂 11呈圆弧形。 [35] The novel brazed-sintered diamond tool segment of the present invention, the eighth embodiment is shown in Fig. 9, which differs from the seventh embodiment in that the block-like bonding agent 11 has a circular arc shape.
[36] 本发明的新型钎焊-烧结金刚石工具节块， 实施例九如图 10所示， 是一种串珠 节块， 其与实施例七的区别在于： 块状结合剂 14呈圆柱状。 [36] A novel brazed-sintered diamond tool segment of the present invention, which is shown in Fig. 10, is a beaded block, which differs from the seventh embodiment in that the block-like bonding agent 14 has a cylindrical shape.
[37] 本发明的实施例六、 七、 八、 九， 可如上述各实施例所述的那样， 先将加有金 刚石磨粒和钎料的金属管和调制好的金属粉一同装入石墨模具内， 经压制并烧 结钎焊成型， 一次性同吋完成烧结和钎焊的工作。 当然， 也可先将装有金刚石 磨粒和钎料的金属管先进行钎焊， 再将管内钎焊有金刚石磨粒和钎料的金属管 裁制成所需长度的小段， 最后将裁制好的各金属管和调制好的金属粉一同装入 石墨模具内， 经压制烧结成节块， 各节块之间通过石墨块分隔开来。 [37] Embodiments 6, 7, 8, and 9 of the present invention, as described in the above embodiments, the metal tube to which the diamond abrasive grains and the brazing filler metal are added and the prepared metal powder are first loaded into the graphite. In the mold, it is pressed and sintered by brazing, and the sintering and brazing work is completed in one time. Of course, it is also possible to first braze the metal tube containing the diamond abrasive grains and the brazing material, and then cut the metal tube in which the diamond abrasive grains and the brazing material are brazed into small pieces of a desired length, and finally cut the metal tube. The good metal tubes and the prepared metal powder are loaded into the graphite mold together, and are pressed and sintered into agglomerates, and the segments are separated by graphite blocks.
[38] 本发明的新型钎焊-烧结金刚石工具节块， 烧结过程可以单独烧结成金刚石工 具节块， 也可以和金属基体同吋烧结成为一整体的金刚石工具。
[38] The novel brazed-sintered diamond tool segment of the present invention can be separately sintered into diamond tool segments, or can be sintered together with a metal substrate to form a diamond tool.
Claims
[1] 1、 新型钎焊-烧结金刚石工具节块， 包括结合剂、 金刚石磨粒与钎料的混 合物， 其特征在于： 上述金刚石磨粒与钎料的混合物固结成至少一根直条 状金刚石磨粒棒， 此至少一根直条状金刚石磨粒棒包覆于上述结合剂内且 与上述结合剂固结在一起。 [1] 1. A novel brazed-sintered diamond tool segment comprising a binder, a mixture of diamond abrasive particles and a brazing filler metal, characterized in that: the mixture of the diamond abrasive grains and the brazing filler metal is consolidated into at least one straight strip. A diamond abrasive bar, the at least one straight strip of diamond abrasive bar is coated in the bonding agent and consolidated with the bonding agent.
[2] 2、 根据权利要求 1所述的新型钎焊-烧结金刚石工具节块， 其特征在于： 上 述结合剂为块状结合剂， 上述块状结合剂上设有复数个直条状容置腔， 上 述各直条状金刚石磨粒棒分别对应容置于上述各直条状容置腔内与上述结 合剂固结在一起。 [2] 2. The novel brazed-sintered diamond tool segment according to claim 1, wherein: the bonding agent is a block bonding agent, and the plurality of straight strips are disposed on the block bonding agent. The cavity, each of the above-mentioned straight-shaped diamond abrasive grain rods is respectively accommodated in the above-mentioned straight strip-shaped accommodating cavities and is fixed with the above-mentioned bonding agent.
[3] 3、 根据权利要求 2所述的新型钎焊-烧结金刚石工具节块， 其特征在于： 上 述各直条状容置腔相互平行。 [3] 3. The novel brazed-sintered diamond tool segment according to claim 2, wherein each of the straight strip-shaped receiving cavities is parallel to each other.
[4] 4、 根据权利要求 3所述的新型钎焊-烧结金刚石工具节块， 其特征在于： 上 述各直条状容置腔在上述块状结合剂上呈点阵排列。 [4] 4. The novel brazed-sintered diamond tool segment according to claim 3, wherein each of the straight strip-shaped receiving cavities is arranged in a lattice on the block-shaped bonding agent.
[5] 5、 根据权利要求 2所述的新型钎焊-烧结金刚石工具节块， 其特征在于： 上 述块状结合剂呈圆柱形或圆弧形或圆环形或长方形。 [5] 5. The novel brazed-sintered diamond tool segment according to claim 2, wherein: the block-like bonding agent has a cylindrical or circular arc shape or a circular or rectangular shape.
[6] 6、 根据权利要求 2所述的新型钎焊-烧结金刚石工具节块， 其特征在于： 上 述直条状容置腔的横截面呈圆形或长方形或梯形或不规则多边形。 [6] 6. The novel brazed-sintered diamond tool segment according to claim 2, wherein: the straight strip-shaped receiving cavity has a circular or rectangular or trapezoidal or irregular polygonal shape in cross section.
[7] 7、 根据权利要求 2所述的新型钎焊-烧结金刚石工具节块， 其特征在于： 上 述直条状容置腔与上述直条状金刚石磨粒棒之间衬设有金属管， 上述直条 状金刚石磨粒棒、 上述金属管和上述结合剂固结在一起。 [7] 7. The novel brazed-sintered diamond tool segment according to claim 2, wherein: the straight strip-shaped receiving cavity and the straight strip-shaped diamond abrasive grain rod are lined with a metal tube. The straight strip-shaped diamond abrasive grain rod, the metal tube and the above-mentioned binder are consolidated.
[8] 8、 根据权利要求 1所述的新型钎焊-烧结金刚石工具节块， 其特征在于： 还 包括金属管， 上述直条状金刚石磨粒棒固结于上述金属管内， 管内固结有 上述直条状金刚石磨粒棒的上述各金属管包覆于上述结合剂内且与上述结 合剂固结在一起。 [8] 8. The novel brazed-sintered diamond tool segment according to claim 1, further comprising: a metal tube, wherein the straight strip-shaped diamond abrasive rod is consolidated in the metal tube, and the tube is consolidated The above-mentioned respective metal pipes of the above-mentioned straight-shaped diamond abrasive grain bar are coated in the above-mentioned bonding agent and are fixed together with the above-mentioned bonding agent.
[9] 9、 根据权利要求 1所述的新型钎焊-烧结金刚石工具节块， 其特征在于： 上 述至少一根直条状金刚石磨粒棒随机分布在上述结合剂内。 [9] 9. The novel brazed-sintered diamond tool segment according to claim 1, wherein: said at least one straight strip of diamond abrasive grain rods are randomly distributed in said bonding agent.
[10] 10、 根据权利要求 1-9任一项所述的新型钎焊-烧结金刚石工具节块， 其特 征在于： 上述各直条状金刚石磨粒棒中的金刚石磨粒沿垂直于金刚石工具
节块工作面的方向紧密排列。
[10] 10. The novel brazed-sintered diamond tool segment according to any one of claims 1-9, wherein: the diamond abrasive grains in each of the straight strips of diamond abrasive grains are perpendicular to the diamond tool The direction of the working faces of the blocks is closely arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008900000086U CN201361825Y (en) | 2008-03-27 | 2008-03-27 | Novel brazing-sintering diamond tool segment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720006688XU CN201026594Y (en) | 2007-03-30 | 2007-03-30 | Diamond tool segment sintered by soldering-hot pressing |
| CN200720006688.X | 2007-03-30 | ||
| CN200710008988.6 | 2007-05-16 | ||
| CN2007100089886A CN101053981B (en) | 2007-05-16 | 2007-05-16 | Brazing-thermal pressing sintering diamond tool sectional block |
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| WO2008119298A1 true WO2008119298A1 (en) | 2008-10-09 |
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| PCT/CN2008/070607 WO2008119298A1 (en) | 2007-03-30 | 2008-03-27 | Newfashioned brazing-sintering diamond tool segment |
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| Country | Link |
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| WO (1) | WO2008119298A1 (en) |
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| WO2009072080A1 (en) * | 2007-12-07 | 2009-06-11 | Dellas S.P.A. | Segment for working hard materials and process for making said segment |
| CN103934535A (en) * | 2014-04-25 | 2014-07-23 | 西南交通大学 | Method for manufacturing wear-resisting alloy bar |
| CN112247860A (en) * | 2020-10-27 | 2021-01-22 | 浙江龙翔工具科技有限公司 | Diamond segment, manufacturing method thereof and diamond carving tool |
| CN115572153A (en) * | 2022-10-28 | 2023-01-06 | 中国人民解放军军事科学院国防科技创新研究院 | Preparation method of high-entropy alloy/ceramic composite lattice structure |
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| CN201026594Y (en) * | 2007-03-30 | 2008-02-27 | 张小军 | Diamond tool segment sintered by soldering-hot pressing |
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| JP2003300161A (en) * | 2002-04-10 | 2003-10-21 | Sannattsu:Kk | Brazed grinder using super abrasive grain and manufacturing method thereof |
| CN1694788A (en) * | 2002-09-27 | 2005-11-09 | 宋简民 | Brazed diamond tools and methods for making the same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009072080A1 (en) * | 2007-12-07 | 2009-06-11 | Dellas S.P.A. | Segment for working hard materials and process for making said segment |
| CN103934535A (en) * | 2014-04-25 | 2014-07-23 | 西南交通大学 | Method for manufacturing wear-resisting alloy bar |
| CN103934535B (en) * | 2014-04-25 | 2016-01-06 | 西南交通大学 | A kind of preparation method of wear-proof alloy stick |
| CN112247860A (en) * | 2020-10-27 | 2021-01-22 | 浙江龙翔工具科技有限公司 | Diamond segment, manufacturing method thereof and diamond carving tool |
| CN115572153A (en) * | 2022-10-28 | 2023-01-06 | 中国人民解放军军事科学院国防科技创新研究院 | Preparation method of high-entropy alloy/ceramic composite lattice structure |
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