CN108941533A - 一种铜基金刚石刀齿的制造方法 - Google Patents
一种铜基金刚石刀齿的制造方法 Download PDFInfo
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- CN108941533A CN108941533A CN201810851868.0A CN201810851868A CN108941533A CN 108941533 A CN108941533 A CN 108941533A CN 201810851868 A CN201810851868 A CN 201810851868A CN 108941533 A CN108941533 A CN 108941533A
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 35
- 239000010432 diamond Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 10
- 239000010949 copper Substances 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 101000908384 Bos taurus Dipeptidyl peptidase 4 Proteins 0.000 claims abstract description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 abstract description 11
- 239000011230 binding agent Substances 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Classifications
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- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F2003/145—Both compacting and sintering simultaneously by warm compacting, below debindering temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Abstract
本发明公开了一种铜基金刚石刀齿的制造方法，包括以下步骤：用骨架材料与粘接金属进行胎体料配制、配制后进行混料、混料完成后装料进行热压成型、热压成型后进行冷却、冷却后进行机械加工，其中所述胎体料配制过程中的粉料包括Cu51％、Fe25%、Sn4.5%、Ni9.5%和WC10%，在混料过程中加入重量为胎体料总重量的5%的金刚石，所述金刚石采用40%的35/40目的金刚石和60%的40/45目的金刚石。本发明通过添加Fe可代替部分的WC粉，降低生产成本，Sn粉可改善黏结金属对金刚石的湿润性，降低合金熔点，改善粉料压制性能，Ni粉可强化胎体力学性能，抑制低熔点金属流失，WC粉导热率高，热膨胀系数与金刚石接近，具有较高的弹性模量和硬度。
Description
技术领域
本发明涉及金刚石刀齿技术领域，特别涉及一种铜基金刚石刀齿的制造方法。
背景技术
市场上在制造金刚石刀齿的过程中，需要一些固结切削元件制作金刚石的粘结剂，粘结剂分为金属粘结剂、树脂粘结剂、陶瓷粘结剂等，其中金属粘结剂是制作金刚石工具的主要成分。现有生产工艺是以铜、钴、镍、锡等金属粉加入人造金刚石混合，经高温(800℃以上)热压烧结冷却后制成金刚石刀齿，再将金刚石刀齿焊接于钢制钻管上制成薄壁金刚石钻头，金属粉的配制是为了提高骨架材料的密度通常采用混合粒度，现有技术中的金刚石刀齿制成的钻头的出钻效果不好，而且强度低、耐磨性差、使用寿命较短。为此，我们提出一种铜基金刚石刀齿的制造方法。
发明内容
本发明的主要目的在于提供一种铜基金刚石刀齿的制造方法，可以有效解决背景技术中的问题。
为实现上述目的，本发明采取的技术方案为：
一种铜基金刚石刀齿的制造方法，包括以下步骤：用骨架材料与粘接金属进行胎体料配制、配制后进行混料、混料完成后装料进行热压成型、热压成型后进行冷却、冷却后进行机械加工，其中所述胎体料配制过程中的粉料包括Cu51％、Fe25％、Sn4.5％、Ni9.5％和WC10％，在混料过程中加入重量为胎体料总重量的5％的金刚石，所述金刚石采用40％的35/40目的金刚石和60％的40/45目的金刚石。
与现有技术相比，本发明具有如下有益效果：添加的Fe可代替部分的WC粉，降低生产成本，Sn粉可改善黏结金属对金刚石的湿润性，有效降低合金熔点，改善粉料压制性能，Ni粉可强化胎体力学性能，并抑制低熔点金属流失，WC粉导热率高，热膨胀系数与金刚石接近，具有较高的弹性模量和硬度，本发明制造的金刚石刀齿强度高、耐磨性好、使用寿命长。
具体实施方式
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施方式，进一步阐述本发明。
实施例1：
一种铜基金刚石刀齿的制造方法，包括以下步骤：用骨架材料与粘接金属进行胎体料配制、配制后进行混料，将胎体料混合均匀、混料完成后装料进行热压成型、热压成型后进行冷却、冷却后进行机械加工，其中所述胎体料配制过程中的粉料包括Cu51％、Fe25％、Sn4.5％、Ni9.5％和WC10％，在混料过程中加入重量为胎体料总重量的5％的金刚石，所述金刚石采用40％的35/40目的金刚石和60％的40/45目的金刚石。
其中，在进行热压成型时控制的时间、温度、压力如下表所示；
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (1)
1.一种铜基金刚石刀齿的制造方法，其特征在于包括以下步骤：用骨架材料与粘接金属进行胎体料配制、配制后进行混料、混料完成后装料进行热压成型、热压成型后进行冷却、冷却后进行机械加工，其中所述胎体料配制过程中的粉料包括Cu51％、Fe25%、Sn4.5%、Ni9.5%和WC10%，在混料过程中加入重量为胎体料总重量的5%的金刚石，所述金刚石采用40%的35/40目的金刚石和60%的40/45目的金刚石。
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Application publication date: 20181207 |