CN107127347B - Using the strand sintering assembly manufacturing method of drilling teeth - Google Patents

Using the strand sintering assembly manufacturing method of drilling teeth Download PDF

Info

Publication number
CN107127347B
CN107127347B CN201710352328.3A CN201710352328A CN107127347B CN 107127347 B CN107127347 B CN 107127347B CN 201710352328 A CN201710352328 A CN 201710352328A CN 107127347 B CN107127347 B CN 107127347B
Authority
CN
China
Prior art keywords
strip
blank
polycrystalline
material
drilling
Prior art date
Application number
CN201710352328.3A
Other languages
Chinese (zh)
Other versions
CN107127347A (en
Inventor
潘晓毅
谢德龙
王进保
林峰
肖乐银
陈超
陈家荣
秦建新
彭少波
Original Assignee
中国有色桂林矿产地质研究院有限公司
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 中国有色桂林矿产地质研究院有限公司 filed Critical 中国有色桂林矿产地质研究院有限公司
Priority to CN201710352328.3A priority Critical patent/CN107127347B/en
Publication of CN107127347A publication Critical patent/CN107127347A/en
Application granted granted Critical
Publication of CN107127347B publication Critical patent/CN107127347B/en

Links

Abstract

本发明公开了种采用条坯组装烧结成型制作钻齿的方法,具体包括以下步骤:1)按设计要求称取各原料,之后混料,分别得到含有超硬磨粒的工作料、含聚晶碎粒的保径料、过渡料和结合料;2)将含有超硬磨粒的工作料和结合料制作成在高度方向上具有双层或三层结构的钻进工作条状坯;将含聚晶碎粒的保径料制作成聚晶保径条状坯;3)对所得各条状坯进行预处理;4)将所得预处理后的条状坯进行排布装模,之后进行烧结成型;5)烧结成型后脱模并进行后续加工。 The present invention discloses a method of molding article produced using seed drilling teeth sintered blank is assembled, includes the following steps: 1) according to design requirements weighing each raw material, after mixing, respectively of the work of superabrasive grains containing material containing polycrystalline nibs gauge material, and binder material transition; 2) containing the working material and superhard abrasive binder made with the drilling work blank strip of double- or triple-layer structure in the height direction; containing gage material is prepared as a polycrystalline polycrystalline nibs gauge strip blank; 3) each of the resulting strip blank pretreatment; 4) the resulting strip blank after the die arrangement pretreatment, followed by sintering molding; 5) after release and subsequent sintering process. 本发明所述方法适配性强、自动化程度高,由该方法制作的钻齿质量稳定、自锐性强、工作面成分可按需设计排布。 The method of the present invention fit and strong, high degree of automation, stability produced by the method of drilling teeth quality, strong self-sharpening, component design face can be arranged as needed.

Description

采用条坯组装烧结成型制作钻齿的方法 Using the strand sintering assembly manufacturing method of drilling teeth

技术领域 FIELD

[0001]本发明涉及一种钻齿/钻头的制作方法,具体涉及一种采用条坯组装烧结成型制作钻齿的方法。 [0001] The present invention relates to a drilling teeth / drill production method, particularly relates to a method of using the strand making assembly sintering of drilling teeth.

背景技术 Background technique

[0002]金刚石钻头在我国已有近60年的发展历程,目前已广泛运用于勘探、石材加工、玻璃加工等行业,品类繁多、尺寸形貌各异。 [0002] diamond drill in China has nearly 60 years of development, has been widely used in the exploration, stone processing, glass processing and other industries, many categories, different size morphology. 总体而言,现有金刚石钻头的制作流程主要为:混料、组装、烧结、后续加工。 In general, the conventional process of fabricating a diamond drill essentially: mixing assembly, sintering, subsequent processing. 金刚石钻头传统的中频热压烧结的制作方式存在人工操作繁琐、 生产周期长、生产质量人为影响因素高等不足;近几年出现的先冷压钻齿坯块再行烧结的制作方式由于产品种类繁多,存在模具通用性低、模具成本占比高等不足;而自动冷压钻齿坯块再行烧结的制作方式则存在设备成本高、模具通用性差、模具更换成本高等不足。 The presence of complicated manual operation, long production period, mass production of human factors Higher insufficient diamond bit Medium frequency sintering traditional production methods; cold developed in recent years to re-drilling teeth sintered compact manner since the wide range of products produced , the presence of low versatility mold, mold costs higher proportion insufficient; cold drilling teeth are automatically re-sintered compact way of making high equipment costs, poor versatility mold, the mold is less than the replacement cost is high there. 这些工艺的不足限制了金刚石钻头生产企业的发展,在激烈的市场竞争下有必要开发一种适配性强、自动化高、适合流水线生产的低成本工艺方法。 These deficiencies limit the process of diamond drill bit production development of enterprises, it is necessary to develop a fit and strong in the fierce market competition, high automation, suitable for low-cost process for assembly line production. 另一方面,现有工艺制作的钻齿有成分不均匀、质量不稳定、工作面成分差异化可设计性低等缺点,导致产品对严苛工况适应性不足、工作对象覆盖面窄,这也要求进一步的革新工艺、改良产品。 On the other hand, the conventional production process of drilling teeth have an uneven composition, inconsistent quality, the component may be designed to differentiate the face of low defects, resulting in insufficient product harsh on adaptability, narrow coverage work object, which also require further innovation processes, improved products.

发明内容 SUMMARY

[0003] 本发明要解决的技术问题是提供一种适配性强、自动化程度高、适合流水线生产的采用条坯组装烧结成型制作钻齿的方法。 [0003] The present invention is to solve the technical problem of providing a fit and strong, high degree of automation, for assembly line production method of molded article produced using the drilling teeth sintered compact assembly. 由该方法制作的钻齿质量稳定、自锐性强、工作面成分可按需设计排布。 Produced by the method of drilling teeth stable quality, since the sharp strong demand design component can be arranged face.

[0004] 本发明所述的采用条坯组装烧结成型制作钻齿的方法,包括以下步骤: [0004] The present invention employs a method of forming the strand making assembly sintering drilling teeth, comprising the steps of:

[0005] 1)按设计要求称取各原料,之后混料,分别得到含有超硬磨粒的工作料、含聚晶碎粒的保径料、过渡料和结合料; [0005] 1) according to the design weighing each raw material, after mixing, respectively of the work feed contains superabrasive grains, the gage nibs polycrystalline material containing the transition material and binder;

[0006] 2)将含有超硬磨粒的工作料和结合料制作成在高度方向上具有由工作层和结合层组成的双层结构的钻进工作条状坯;或者是将含有超硬磨粒的工作料、过渡料和结合料制作成在高度方向上具有由工作层、过渡层和结合层组成的三层结构的钻进工作条状坯; 将含聚晶碎粒的保径料制作成聚晶保径条状坯; [0006] 2) containing the working material and superhard abrasive binder made with the blank stripe-layer structure drilling work by the working layer and a bonding layer composition in the height direction; or a mill containing superhard work material particles, the transition material and binder made into the drilling work by the bar-shaped preform having a three-layer structure active layer, and a bonding layer consisting of transition in the height direction; gage containing polycrystalline material produced nibs gage strips into polycrystalline blank;

[0007] 3)对所得钻进工作条状坯、聚晶保径条状坯进行包括干燥、去氧还原操作的预处理,得到预处理后的钻进工作条状坯和聚晶保径条状坯; [0007] 3) the resulting strip blank drilling work, polycrystalline gauge strip billet comprising drying, pre-deoxy restore operations, drilling work and the polycrystalline blank strip gauge strip obtained after the pretreatment shaped blank;

[0008] 4)将所得预处理后的钻进工作条状坯和聚晶保径条状坯按照设计要求进行排布装模,之后进行烧结成型; [0008] 4) The drilling work strip blank after pretreatment and the resultant polycrystalline gage strip die-billet arranged as designed, followed by sintering;

[0009] 5)烧结成型后脱模并进行后续加工。 [0009] 5) sintering the molding after release and subsequent processing.

[0010] 本发明所述方法的步骤1)中,所述的含有超硬磨粒的工作料、含聚晶碎粒的保径料、过渡料和结合料的组成及配比可以根据需要进行具体设计,也可以是现有技术中的常规选择。 [0010] Step 1 of the method of the present invention), the job containing superhard abrasive material, containing polycrystalline material gage nibs, and the transition material composition and proportion of binder may be required in particular design, may be routinely selected prior art.

[0011] 本发明所述方法中,为了使步骤1)混合所得的各种物料在后续步骤中更容易成型,优选是在步骤1)中的混料过程中加入辅助成型剂,辅助成型剂的选择及用量与现有技术相同,通常为乙醇和甘油的组合物,更具体可以是乙醇和甘油以1-3:1的体积比组成的组合物。 [0011] The method of the present invention, in order to step 1) obtained by mixing various materials is more easily molded in a subsequent step, it is preferably added an auxiliary forming agent, auxiliary forming agents during compounding in step 1) of the the amount of the prior art and the selection the same, generally ethanol and glycerin compositions, more particularly ethanol and glycerol may be 1-3: 1 volume ratio composition thereof.

[0012] 本发明所述方法的步骤2)中,当钻进工作条状坯在其高度方向上为具有工作层、 过渡层和结合层组成的三层结构时,主要应用于钻齿独立成型,之后还需要将钻齿焊接在基体上的场合,其中的工作层即为钻齿用于钻进的工作部分,结合层则即为与基体焊接的部分,过渡层则处于工作层与结合层之间,以实现工作层和结合层之间的应力、脆性、强度等的逐渐过渡,减少其发生断裂的情况。 [0012]) in step 2 of the method of the present invention, when the three-layer structure drilling work blank strip in the height direction with a working layer, transition layer and the bonding layer composed mainly used in drilling teeth independently formed after drilling teeth also needs to be soldered on the substrate in the case where the working layer is, the drilling operation for drilling teeth portion, the bonding layer is the portion of the base body of the welding, the transition layer and the bonding layer in the active layer between, in order to achieve a gradual transition of stress, brittleness and strength between the active layer and the bonding layer, reduce its occurrence in the event of breakage.

[0013] 本发明所述方法的步骤2)中,各条状坯可采用现有常规方法进行制作,具体可以是人工机械冷压成型、机械自动冷压成型或挤压成型等。 In [0013] Step 2 of the method of the present invention), each strip blank prior conventional methods employed for production, particularly mechanical cold forming can be manual, automatic mechanical cold molding or extrusion molding and the like. 各条状坯的上、下两个端面的形状可以根据需要进行确定,具体可以是圆形、方形、三角形或异形。 Each strip-shaped blank, the shape of the both end surfaces can be determined according to need, in particular may be circular, square, or triangular shaped. 所述条状坯的上端面或下端面的大小可根据所需制作的钻齿的大小进行确定,通常情况下,条状坯上端面或下端面的面积为0.8-80mm2,所述条状还的高度通常为16-60_。 The strip-shaped upper end or lower end face of the blank size can be determined according to the size required for the production of drilling teeth, usually, the end face or on the lower end face of the blank area of ​​the strip 0.8-80mm2, said strip further the height is usually 16-60_.

[0014] 本发明所述方法的步骤3)中,预处理通常在80-300°C条件下进行,以实现各条状坯的干燥、去氧还原以及除胶(当混合时添加了辅助成型剂的情况下)操作。 In [0014] Step 3 of the method of the invention), pretreatment is generally carried out under conditions of 80-300 ° C, to effect drying of the strip-like blank, and reducing deoxy than plastic (molding auxiliary added when mixing case agent) operation. 预处理的时间根据需要确定,通常为30_120min。 The pre-determined required time, typically 30_120min.

[0015]本发明所述方法的步骤4)中,所述排布装模的基本原则为在钻齿内、外径弧面上均匀排布一层或一层以上的聚晶保径条状坯,中间部位以钻进工作条状坯进行均匀排布。 Basic Principles [0015] Step 4 of the method of the present invention), the arrangement of the die is in the drill teeth on the outer diameter arc arranged uniformly one or more layers of polycrystalline gage strip blank, an intermediate portion of the strip blanks to the drilling work uniformly arranged. 在烧结成型时,可以采用钻齿独立烧结或连同基体一体化烧结成型的方式,当采用一体化烧结成型时,可以根据需要添加辅助成型钎料和水口填充辅料,其中辅助成型钎料视钻齿的烧结性能选择性添加以增加烧结强度,水口填充辅料的添加则是完成水口的烧制以增加整体结合力。 During sintering, sintering may be employed independently or in conjunction with drilling teeth matrix sintered molded integrated manner, when using an integrated sintering may be added auxiliary materials forming the solder filling nozzle as needed and in which the solder molding auxiliary view drilling teeth sintering properties selectively added to increase the green strength, the nozzle is filled add accessories to complete firing nozzle to increase the overall binding strength. 所述烧结成型可通过中频热压烧结、真空热压烧结等方式烧结成型。 The sintering may be molded by sintering Medium frequency sintering, vacuum sintering the like.

[0016]与现有技术相比,本发明采用先制作条坯再按需排布装模烧结的方法制作钻齿, 其优点在于: [0016] Compared with the prior art, the present invention is the method to produce strip blanks and then sintering the die arrangement demand production drilling teeth, which is advantageous in that:

[0017] 1、在制作不同齿形的钻齿时无需更换冷压模具,通用性强; [0017] 1, in the production of different tooth drilling teeth without changing the cold mold, versatility;

[0018] 2、条坯可采用自动化设备制作,人工成本低、产率高、适合流水线生产; [0018] 2, the strand can be automated production equipment, low labor cost, high yield, for the production line;

[0019] 3、可通过按需排布在钻齿工作面上进行成分差异化设计,工作适应性好,可设计性强; [0019] 3, can be arranged in the on-demand work surface drilling teeth design difference component, good job adaptability, designability;

[0020] 4、因制作过程自动化控制程度高,本发明方法制作的钻齿相较传统工艺成分差异小,质量稳定性好;条坯间相互结合力偏弱,工作过程中有利于辅助金刚石出刃,钻齿自锐性好; [0020] 4, due to the high degree of automation and control the production process, the production method of the present invention compared to the traditional process of drilling teeth small differences in composition, good quality stability; mutual bonding force between the strand weak during operation of the auxiliary favor of diamond protrusion , drilling teeth self-sharpening;

[0021] 5、钻齿保径由传统的大颗粒聚晶保径变为聚晶条状坯层保径,保径覆盖面积大, 保径性能更出色。 [0021] 5, drilling teeth by a conventional gauge gauge becomes large particles polycrystalline layer polycrystalline blank strip gauge, the gauge coverage area, better performance gauge.

附图说明 BRIEF DESCRIPTION

[0022] 图1是本发明实施例1所述方法的工艺流程示意图; [0022] FIG. 1 is a schematic process flow diagram of the method described in Example 1 of the present invention;

[0023] 图2为发明实施例1中聚晶保径条状还一种实施方式的结构示意图; [0023] FIG. 2 is a schematic diagram of the structure of the invention the polycrystalline gage strip 1 further embodiment of an embodiment;

[0024]图3为发明实施例1中钻进工作条状坯一种实施方式的结构示意图; [0024] FIG. 3 is a schematic view of a configuration of the invention in drilling work strip blank according to one embodiment of the embodiment;

[0025]图4为钻进工作条状述另一种实施方式的结构示意图; [0025] FIG. 4 is a schematic structural view of a strip of said drilling work of another embodiment;

[0026]图5为钻齿独立烧结装模结构示意图; [0026] FIG. 5 is a schematic view of drilling teeth individual sintering the die structure;

[0027]图6为钻头一体化烧结装模结构示意图; [0027] FIG. 6 is a schematic view of a drill bit integrated sintered structure of the die;

[0028]图7为图6中A处的放大图。 [0028] FIG. 7 is an enlarged view of A in FIG. 6 at.

[0029] 图中标号为: [0029] FIG designated:

[0030] 1聚晶保径条状坯;2钻进工作条状坯;2-1工作层;2-2结合层;2-3过渡层;3钻齿独立烧结石墨模具;4基体;5—体化烧结石墨模具;6水口。 [0030] The gauge 1 of the polycrystalline blank strip; strip blank 2 drilling work; 2-1 working layer; bonding layer 2-2; 2-3 transition; 3 independent drilling teeth sintered graphite mold; base body 4; 5 - graphite sintered body mold; nozzle 6.

具体实施方式 Detailed ways

[0031]下面结合具体实施例对本发明作进一步的详述,以更好地理解本发明的内容,但本发明并不限于以下实施例。 [0031] The following embodiments in conjunction with the specific embodiments of the present invention will be further described in detail, for better understanding of the present invention, but the present invention is not limited to the following embodiments.

[0032]实施例1:钻齿独立烧结成型 [0032] Example 1: Independent sintering drilling teeth

[0033]采用条坯烧结成型制作钻齿的方法(钻齿独立烧结成型),其工艺流程图如图1所示,具体包括以下步骤: [0033] The production of the strand sintering method of drilling teeth (sintering independent drilling teeth), which process shown in Figure 1, includes the following steps:

[0034] 1)按设计要求称取各原料,分别混制得到含有超硬磨粒的工作料、含聚晶碎粒的保径料、过渡料和结合料,并在混好的中掺入常规用量的由乙醇和甘油以1:1的体积比组成的辅助成型剂;所述的含有超硬磨粒的工作料、含聚晶碎粒的保径料、过渡料和结合料的组成及配比与现有技术相同;当应用于VI级花岗岩时,各种粉料的具体配方如下: [0034] 1) according to the design weighing each raw material, respectively, mixed to obtain a work feed contains superabrasive grains, the gage nibs polycrystalline material containing the transition material and binder, and incorporated in the mix in good conventional amounts of ethanol and glycerol in 1: 1 volume ratio of the auxiliary forming agent thereof; superabrasive grains containing said work material containing polycrystalline nibs gage material, the transition material and binder composition and the same ratio of the prior art; when applied to a class VI granite, the specific formulation of the various powders are as follows:

[0035] ①含有超硬磨粒的工作料的配方:40wt %Fe+34wt % 663Cu+10wt % Co+7wt % Ni + 4wt%CuSnl5+5wt%Mn,超硬磨粒为20%渺轮浓度制)的金刚石。 Formulations [0035] ① superhard material containing abrasive grains work: 40wt% Fe + 34wt% 663Cu + 10wt% Co + 7wt% Ni + 4wt% CuSnl5 + 5wt% Mn, 20% superabrasive grains vague wheel braking concentration ) diamond.

[0036]②含聚晶碎粒的保径料的配方:40wt % Fe+38wt % 663Cu+10wt % Co+7wt %Ni + 5wt%Mn,聚晶碎粒浓度为30% (砂轮浓度制)。 [0036] ② formulation containing the gauge of the material crushed polycrystalline: 40wt% Fe + 38wt% 663Cu + 10wt% Co + 7wt% Ni + 5wt% Mn, crushed polycrystalline concentration of 30% (the concentration of the grinding wheel, Ltd.).

[0037]③结合料的配方:采用法国飞羽公司的NEXT300预合金粉料; [0037] ③ binding material formulation: using prealloyed powder NEXT300 France's feathers;

[0038]④过渡料的配方:采用前述①号所述粉料和③号所述粉料以1: 2的质量比混合而成。 [0038] ④ Formulation transition material: ① using the number of the number of the powder and powder ③ 1: 2 mass ratio of mixed.

[0039] 2)将含聚晶碎粒的保径料通过常规的挤压成型(压力30-50MPa,保压3-5s)方式制作成上、下端面均为圆形的聚晶保径条状坯1,如图2所示;将含有超硬磨粒的工作料、过渡料和结合料通过常规的挤压成型(压力20-30MPa,保压3-5s)制作成在高度方向上具有由工作层2-1、过渡层2-3和结合层2-2组成的三层结构且上、下端面均为圆形的钻进工作条状坯2,如图4所示;在制作钻进工作条状坯2和聚晶保径条状坯1时,控制各条状坯上端面或下端面的面积为l〇-2〇mm2,各条状坯的高度为16-60mm;所述的钻进工作条状坯2,控制其中的工作层2-1 (含超硬磨粒)高度在10-50mm之间,过渡层2-3高度在3-5mm之间,结合层2-2高度在3-10mm之间。 [0039] 2) The gauge polycrystalline material containing crushed by conventional extrusion molding (pressure 30-50Mpa, dwell 3-5s) made into the way, the circular end surface are polycrystalline gage strip shaped blank 1, shown in Figure 2; working material containing the superabrasive grains, the transition material and binder by conventional extrusion molding (pressure of 20-30 MPa, dwell 3-5s) made in the height direction to have a 2-1 a three-layer structure active layer, a transition layer consisting of 2-3 and 2-2 and the bonding layer on the lower end of the drilling work are circular strip blank 2, shown in Figure 4; drill production into the work 2 and the polycrystalline blank strip gage strip blank 1, the control end surface or the lower end surface of each stripe on the blank area l〇-2〇mm2 height of each strip-shaped blank is 16-60mm; the drilling work blank strip 2, wherein the control of the active layer 2-1 (including superabrasive grains) between 10-50mm in height, a height of between 3-5 mm 2-3 transition layer, the bonding layer 2-2 height between 3-10mm.

[0040] 3)对所得钻进工作条状坯2、聚晶保径条状坯1于100°(:条件下进行包括干燥、除胶、去氧还原操作的预处理,时间为6〇min,得到预处理后的钻进工作条状坯2和聚晶保径条状坯1; [0040] 3) the resulting strip blank drilling work 2, the polycrystalline blank gauge strip 1 in 100 ° (: dried under conditions including, in addition to pre-gel, deoxy restore operations, time 6〇min drilling work obtained after the pre-strip blank 2 and the polycrystalline gage strip blank 1;

[0041] 4)将预处理后的钻进工作条状坯2和聚晶保径条状坯1在钻齿的工作平面上进行成分、磨粒浓度、条坯尺寸形貌等方面的按需排布装模,其中排布装模的基本原则为在所要形成的钻齿形状的内、外径弧面上均匀排布一层或两层的聚晶保径条状坯i,中间部位以钻进工作条状还2进行均匀排布;装入钻齿独立烧结石墨模具3中完成烧结(烧结温度9〇〇。〇, 烧结压力25MPa,保温保压时间5min),如图5所示; [0041] 4) The drilling work pretreated strip blank gage strip 2 and the polycrystalline blank 1-demand aspect of the composition, the concentration of the abrasive grains, the size of the strand morphology of drilling teeth on the working plane arrangement of the die, wherein the basic principles of the die is arranged in uniform rows on the inner and outer radii of the arc shape of drilling teeth to be formed of one or two layers of cloth polycrystalline blank strip gage i, to an intermediate portion drilling work strip 2 also uniformly arranged; drilling teeth charged sintered graphite die 3 independently complete sintering (9〇〇.〇 sintering temperature, sintering pressure 25MPa, pressure time and temperature for 5min), as shown in Figure 5;

[0042] 5)烧结成型后脱模并进行后续加工。 [0042] 5) sintering the molding after release and subsequent processing.

[0043]用本发明所述方法制作的钻齿在形成钻头后,将其与传统热压金刚石钻头进行钻进VI级花岗岩的试验对比,试验结果表明:发明所述方法制作的钻齿所形成的钻头的钻进时速达到4_66m/h,较传统热压金刚石钻头(钻进时速为3_3m/h)提高了41 %,寿命提高20 %,而金刚石消耗减少30 %。 Comparison Test [0043] The method of the present invention is produced by drilling a drill bit is formed in the tooth, which was Class VI granite drilling with conventional hot diamond drill, test results show that: the invention made by the method of forming the drilling teeth drilling bit speed reaches 4_66m / h, more traditional hot diamond drill (drilling speed of 3_3m / h) increased by 41%, 20% increase in life expectancy, the diamond consumption by 30%.

[0044] 实施例2:钻齿连同基体一体化烧结成型[0045] 重复实施例1,不同的是: [0044] Example 2: Integration of drilling teeth together with the base Sintering [0045] Example 1 was repeated, except that:

[0046]步骤1)中,各粉料的具体配方为: [0046] Step 1), the specific formulations for each powder is as follows:

[0047]①含有超硬磨粒的工作料的配方:40wt%Fe+18wt%663Cu+10wt%Co+7wt%Ni + #t%CuSnl5+5wt%Mn,超硬磨粒为2〇% (砂轮浓度制)的金刚石。 Formulation work material [0047] ① containing superhard abrasive grains: 40wt% Fe + 18wt% 663Cu + 10wt% Co + 7wt% Ni + # t% CuSnl5 + 5wt% Mn, 2〇% of superabrasive grains (grinding wheel concentration Ltd.) diamond.

[0048]②含聚晶碎粒的保径料的配方:40wt%Fe+38wt%663Cu+10wt%Co+7wt%Ni + 5wt%Mn,聚晶碎粒浓度为30% (砂轮浓度制); [0048] ② Formulation gauge material containing polycrystalline nibs: 40wt% Fe + 38wt% 663Cu + 10wt% Co + 7wt% Ni + 5wt% Mn, crushed polycrystalline concentration of 30% (the concentration of the grinding wheel, Ltd.);

[0049] ③结合料的配方:40wt %Fe + 18wt % 663Cu+10wt % Co+7wt %Ni+4wt %CuSnl5+ 5wt%Mn; [0049] The binder formulation ③: 40wt% Fe + 18wt% 663Cu + 10wt% Co + 7wt% Ni + 4wt% CuSnl5 + 5wt% Mn;

[0050] 步骤2)中,将含有超硬磨粒的工作料和结合料制作成在高度方向上具有由工作层2-1和结合层2-2组成的双层结构且上、下端面均为圆形的钻进工作条状坯2,如图3所示;在制作时,控制钻进工作条状坯2的工作层2_1 (含超硬磨粒)高度在i〇-50mm之间,结合层2-2 高度在6-10mm之间; Work material [0050] Step 2), containing the superabrasive grains and a binder made with a two-layer structure active layer and the bonding layer 2-1 consisting of 2-2 in the height direction and the upper and lower end surface are drilling work is circular strip blank 2, shown in Figure 3; in the production, control of the drilling work of the working layer 2 blank strip 2_1 (including superabrasive grains) height between i〇-50mm, 2-2 bonding layer between 6-10mm in height;

[0051]步骤4)中,采用钻齿连同基体4一体化烧结成型的方式,其中一体化烧结成型如图6所示,具体地,将基体4与钻进工作条状坯2和聚晶保径条状坯1、水口填充辅料(经烧结后形成水口6)装入一体化烧结石墨模具5中完成烧结(烧结温度980°C,烧结压力40MPa,保温保压时间5min); [0051] Step 4), the use of a sintered molding in an integrated manner together with the base drilling teeth 4, wherein the sintering integration shown in Figure 6, in particular, the base 4 and the drilling work and polycrystalline security strip blank 2 diameter strip blank 1, filling excipients nozzle (nozzle 6 is formed after sintering) into an integrated sintered graphite mold 5 is completed sintering (sintering temperature of 980 ° C, sintering pressure 40MPa, pressure time and temperature for 5min);

[0052]在一体化烧结成型时,水口填充辅料的配方为:40wt %Fe+18wt %663Cu+10wt %Co +7wt % Ni+4wt %CuSnl5+5wt %Mn 〇 [0052] When integrated sintering, filling excipients outlet of formula: 40wt% Fe + 18wt% 663Cu + 10wt% Co + 7wt% Ni + 4wt% CuSnl5 + 5wt% Mn billion

Claims (7)

1.采用条坯组装烧结成型制作钻齿的方法,包括以下步骤: 1) 按设计要求称取各原料,之后混料,分别得到含有超硬磨粒的工作料、含聚晶碎粒的保径料、过渡料和结合料; 2) 将含有超硬磨粒的工作料和结合料制作成在高度方向上具有由工作层(2—丨)和结合层(2-2)组成的双结构的钻进工作条状坯(2);或者是将含有超硬磨粒的工作料、过渡料和结合料制作成在高度方向上具有由工作层(2-1)、过渡层(2-3)和结合层(2_2)组成的三层结构的钻进工作条状坯(2);将含聚晶碎粒的保径料制作成聚晶保径条状坯(1); 3) 对所得钻进工作条状坯(2)、聚晶保径条状坯(D进行包括干燥、去氧还原操作的预处理,得到预处理后的钻进工作条状坯(2)和聚晶保径条状坯(1); 4) 将所得预处理后的钻进工作条状坯(2)和聚晶保径条状坯(1)按照设计要求进行排布装模,之后进行烧结成型; 5) 1. The method of using the strip shaped blank drilling teeth making sintered assembly, comprising the following steps: 1) according to design requirements weighing each raw material, after mixing, respectively of the work of superabrasive grains containing material, containing polycrystalline Paul nibs material diameter, the transition material and binder; 2) containing working material and superabrasive grains into a binder having a double structure produced by the active layer (2 Shu) and bonding layer (2-2) consisting in a height direction drilling work blank strip (2); or a material containing the work of superabrasive grains, and the transition material made with binder in a height direction from the active layer (2-1), transition layer (2-3 ) and drilling work strip blank bonding layer (2_2) consisting of three-layer structure (2); the gauge polycrystalline material containing nibs made into polycrystalline gauge strip blank (1); 3) the resulting drilling work blank strip (2), the polycrystalline blank strip gauge (D for drying including, pre-deoxy restore operations, drilling work obtained after pre-strip blank (2) and polycrystalline gage strip blank (1); 4) the drilling work blank strip (2) and polycrystalline gage strip blank (1) obtained after the die pretreatment arranged as designed, followed by sintering; 5 ) 烧结成型后脱模并进行后续加工。 Sintering and subsequent processing after demolding.
2. 根据权利要求1所述的方法,其特征在于:步骤1)中,在混料的过程中加入辅助成型剂。 2. The method according to claim 1, wherein: step 1), an auxiliary forming agent added during the mixing.
3. 根据权利要求2所述的方法,其特征在于:所述的辅助成型剂为乙醇和甘油的组合物。 3. The method according to claim 2, wherein: said auxiliary forming agent is ethanol and glycerol composition.
4. 根据权利要求1所述的方法,其特征在于:步骤2)中,各条状坯的上、下两个端面为圆形、方形或三角形。 4. The method according to claim 1, characterized in that: in step 2), each strip-shaped blank, the two end faces is circular, square or triangular.
5. 根据权利要求1所述的方法,其特征在于:步骤3)中,预处理在80-300°C条件下进行。 5. The method according to claim 1, wherein: the step 3), pretreatment is carried out at 80-300 ° C conditions.
6. 根据权利要求1所述的方法,其特征在于:步骤4)中,所述排布装模的基本原则为在内、外径弧面上均匀排布一层以上的聚晶保径条状坯(1),中间部位以钻进工作条状坯(2) 进行均匀排布。 6. The method according to claim 1, wherein: step 4), the basic principle of discharge of the die inner cloth, a uniform arc discharge over the outer diameter of the polycrystalline layer of cloth strip gage shaped blank (1), an intermediate portion of the drilling work to strip blanks (2) arranged uniformly.
7. 根据权利要求1所述的方法,其特征在于:步骤4)中,当采用一体化烧结成型时,需要添加水口⑹填充辅料。 7. The method according to claim 1, wherein: step 4), when the sintering integration employed, the filling materials need to be added ⑹ outlet.
CN201710352328.3A 2017-05-18 2017-05-18 Using the strand sintering assembly manufacturing method of drilling teeth CN107127347B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710352328.3A CN107127347B (en) 2017-05-18 2017-05-18 Using the strand sintering assembly manufacturing method of drilling teeth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710352328.3A CN107127347B (en) 2017-05-18 2017-05-18 Using the strand sintering assembly manufacturing method of drilling teeth

Publications (2)

Publication Number Publication Date
CN107127347A CN107127347A (en) 2017-09-05
CN107127347B true CN107127347B (en) 2018-12-11

Family

ID=59731862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710352328.3A CN107127347B (en) 2017-05-18 2017-05-18 Using the strand sintering assembly manufacturing method of drilling teeth

Country Status (1)

Country Link
CN (1) CN107127347B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3788673T2 (en) * 1986-04-17 1994-04-28 Sumitomo Electric Industries With abrasive grains überkrusteter wire and process for its preparation.
CA1336387C (en) * 1988-06-29 1995-07-25 Madapusi Kande Keshavan Rod for applying hard surfacing to a surface and method of making same
US5740872A (en) * 1996-07-01 1998-04-21 Camco International Inc. Hardfacing material for rolling cutter drill bits
US6063502A (en) * 1996-08-01 2000-05-16 Smith International, Inc. Composite construction with oriented microstructure
CN200952353Y (en) * 2006-04-24 2007-09-26 阎冠欣 Steel body type diamond composite sheet drill bit body
CN101053981B (en) * 2007-05-16 2010-12-15 张小军 Brazing-thermal pressing sintering diamond tool sectional block
CN201695954U (en) * 2010-06-24 2011-01-05 中国地质大学(武汉) High-sharp sintered diamond bit embedded with iron wires
CN103953286B (en) * 2014-05-19 2017-05-10 中国有色桂林矿产地质研究院有限公司 Welding High manufacturing method and drill carcass geological
CN103982139B (en) * 2014-05-19 2016-06-08 中国有色桂林矿产地质研究院有限公司 A high-drilling teeth carcass and preparation method

Also Published As

Publication number Publication date
CN107127347A (en) 2017-09-05

Similar Documents

Publication Publication Date Title
DE10297124B4 (en) Vitrified superabrasive tool and methods for making
CN100467649C (en) Production method for hard carbide with graded distributed cobalt content
GB2462025A (en) Contoured PCD and PCBN for twist drill tips and end mills and methods of forming the same
CN1089657C (en) Ultrahard compounded tool and its preparing method
CN102343558B (en) Resin abrasive cutting wheel and manufacturing method thereof
CN101285371B (en) Fabrication technology of diamond positioning and arrangement impregnated rock bit
CN1919537A (en) Edging wheel and method for making it
CN1579709A (en) High strength grinding wheel and its preparation method
CN1298663C (en) Pren process of graphite-mixing conductive concrete
CN101935219B (en) Efficient silicon carbide corundum rare earth ceramic composite grinding wheel and manufacture method thereof
CN1268584C (en) Process for preparing gradient porous ceramic filter element
CN102152248B (en) Diamond grinding tool of ceramic-metallic bond and preparation method of grinding tool
CN102814747A (en) CBN (cubic boron nitride) resin grinding wheel and preparation method thereof
CN101940893A (en) Method for processing polycrystalline diamond for diamond processing
CN102363578B (en) Ceramic binder for steel ball grinding wheel
CN103722174B (en) A self-sharpening polycrystalline diamond composite sheet and method of preparation
CN102826854B (en) Ceramic bond cubic boron nitride abrasive tool and manufacturing method thereof
CN102632261B (en) Metal ceramic cutting tool and preparation method thereof
CN101934501B (en) Self-propagating sintering metal-bonded diamond grinding wheel and preparation method thereof
CN100581736C (en) Diamond abrasion block and its preparation method
CN101186520A (en) Application of walnut shell pore-forming material in ceramic bonding agent air hole grinding wheel
CN103131969A (en) Ceramic grid enhanced metal matrix composite perform and preparation method thereof
CN104195407A (en) Preparation method of TiC high-manganese steel based steel bond hard alloy
CN103737499A (en) End face super grinding special metal ceramic CBN (Cubic Boron Nitride) grinding wheel and preparation method thereof
CN102229184B (en) Dry forming process for purple clay porcelain

Legal Events

Date Code Title Description
PB01
SE01
GR01