CN107186452A - 一种切割机用耐磨刀片制备方法 - Google Patents
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- 238000005520 cutting process Methods 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 20
- 230000011218 segmentation Effects 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
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- 239000010949 copper Substances 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 238000011049 filling Methods 0.000 claims abstract description 5
- 238000000227 grinding Methods 0.000 claims abstract description 5
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 5
- 238000004663 powder metallurgy Methods 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims abstract description 3
- 238000000137 annealing Methods 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 12
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- 229960000583 acetic acid Drugs 0.000 claims description 6
- 239000012362 glacial acetic acid Substances 0.000 claims description 6
- 235000011164 potassium chloride Nutrition 0.000 claims description 6
- 239000001103 potassium chloride Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000002161 passivation Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005121 nitriding Methods 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 229910000679 solder Inorganic materials 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
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- B22F1/0003—
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- 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
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
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- 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
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Abstract
本发明公开一种切割机用耐磨刀片制备方法,包括以下工艺步骤:(1)将刀片作为整圆,然后等分成至少4个分割扇形面,该分割扇形面采用粉末冶金制得,粉末原料按质量分数如下:35‑40%的铁、1.5‑1.7%的二硫化钼、3.7‑4.2%的镍、4.2‑5.4%的铜、1.5‑2.5%的石墨、4.5‑5.5%的锰,充分混合后细磨到粒径平均不超过500微米的粉末,采用多次填充的方式,在模具内以100‑130MPa的压力压制30‑40分钟成型;(2)将制备的分割扇形面拼装组焊,焊接坡口角度25‑30°,坡口深度1.4‑2mm,焊接时电流320‑350A,焊接电压20‑24V、焊接速度8‑10cm/min;本发明采用分开制作结合整体焊接的方法,耐磨刀片具有较高的刚度和强度,且刀片耐久性得到提高。
Description
技术领域
本发明属于材料金属技术领域,具体是一种切割机用耐磨刀片制备方法。
背景技术
在切割机切割过程中,切割刀片的接触表面在待切割物体上方切割,并产生摩擦。
通常,切割机在工作一段时间后就要更换刀片。目前,更换刀片需要将磨损的刀片整个从主轴上取下,拆卸和安装都浪费大量时间,现实生产中研发一种耐磨损性能极好的刀片制备方法,一方面降低生产成本,另一方面保证了加工质量。
发明内容
本发明的目的在于提供一种切割机用耐磨刀片制备方法,采用分开制作结合整体焊接的方法,耐磨刀片具有较高的刚度和强度,且刀片耐久性得到提高。
本发明的目的可以通过以下技术方案实现:
一种切割机用耐磨刀片制备方法,包括以下工艺步骤:
(1)将刀片作为整圆,然后等分成至少4个分割扇形面,该分割扇形面采用粉末冶金制得,粉末原料按质量分数如下:35-40%的铁、1.5-1.7%的二硫化钼、3.7-4.2%的镍、4.2-5.4%的铜、1.5-2.5%的石墨、4.5-5.5%的锰,充分混合后细磨到粒径平均不超过500微米的粉末,采用多次填充的方式,在模具内以100-130MPa的压力压制30-40分钟成型;
(2)将制备的分割扇形面拼装组焊,焊接坡口角度25-30°,坡口深度1.4-2mm,焊接时电流320-350A,焊接电压20-24V、焊接速度8-10cm/min;
(3)将焊接完成的刀片放入钝化液中,在阳极电压10-12V条件下,钝化10-12min,其中钝化液由按2:1:1体积比的3-5mg/L冰醋酸、1-2mg/L氯化钾、2.5-4mg/L双氧水溶液组成;
(4)钝化后进行清洗,清洗后放入在非氧化性气氛中进行退火,退火温度为550~580℃,退火保温时间55~65分钟退火,退火后放入渗氮炉中,在刀片表面形成渗碳层。
所述粉末原料按质量分数如下:38%的铁、1.6%的二硫化钼、4%的镍、4.8%的铜、2%的石墨、5%的锰。
所述钝化液由按2:1:1体积比的4mg/L冰醋酸、1.5mg/L氯化钾、3.2mg/L双氧水溶液组成。
本发明的有益效果:本发明采用分开制作结合整体焊接的方法,保证了刀片整体性能要求,然后钝化处理,金属表面生成保护膜,减缓腐蚀现象,随后的退火处理,可以去除刀刃残余应力,防止工件变形、开裂现象,在刀片表面形成渗碳层同时耐磨刀片具有较高的刚度和强度,且刀片耐久性得到提高。
具体实施方式
实施例1:
一种切割机用耐磨刀片制备方法,包括以下工艺步骤:
(1)将刀片作为整圆,然后等分成6个分割扇形面,该分割扇形面采用粉末冶金制得,粉末原料按质量分数如下:38%的铁、1.6%的二硫化钼、4%的镍、4.8%的铜、2%的石墨、5%的锰,充分混合后细磨到粒径平均不超过500微米的粉末,采用多次填充的方式,在模具内以115MPa的压力压制35分钟成型;
(2)将制备的分割扇形面拼装组焊,焊接坡口角度28°,坡口深度1.7mm,焊接时电流335A,焊接电压22V、焊接速度9cm/min;
(3)将焊接完成的刀片放入钝化液中,在阳极电压11V条件下,钝化11min,其中钝化液由按2:1:1体积比的4mg/L冰醋酸、1.5mg/L氯化钾、3.2mg/L双氧水溶液组成;
(4)钝化后进行清洗,清洗后放入在非氧化性气氛中进行退火,退火温度为565℃,退火保温时间60分钟退火,退火后放入渗氮炉中,在刀片表面形成渗碳层。
实施例2:
一种切割机用耐磨刀片制备方法,包括以下工艺步骤:
(1)将刀片作为整圆,然后等分成4个分割扇形面,该分割扇形面采用粉末冶金制得,粉末原料按质量分数如下:40%的铁、1.7%的二硫化钼、4.2%的镍、5.4%的铜、2.5%的石墨、5.5%的锰,充分混合后细磨到粒径平均500微米的粉末,采用多次填充的方式,在模具内以130MPa的压力压制40分钟成型;
(2)将制备的分割扇形面拼装组焊,焊接坡口角度30°,坡口深度2mm,焊接时电流350A,焊接电压24V、焊接速度10cm/min;
(3)将焊接完成的刀片放入钝化液中,在阳极电压12V条件下,钝化12min,其中钝化液由按2:1:1体积比的5mg/L冰醋酸、2mg/L氯化钾、4mg/L双氧水溶液组成;
(4)钝化后进行清洗,清洗后放入在非氧化性气氛中进行退火,退火温度为580℃,退火保温时间65分钟退火,退火后放入渗氮炉中,在刀片表面形成渗碳层。
Claims (3)
1.一种切割机用耐磨刀片制备方法,其特征在于,包括以下工艺步骤:
(1)将刀片作为整圆,然后等分成至少4个分割扇形面,该分割扇形面采用粉末冶金制得,粉末原料按质量分数如下:35-40%的铁、1.5-1.7%的二硫化钼、3.7-4.2%的镍、4.2-5.4%的铜、1.5-2.5%的石墨、4.5-5.5%的锰,充分混合后细磨到粒径平均不超过500微米的粉末,采用多次填充的方式,在模具内以100-130MPa的压力压制30-40分钟成型;
(2)将制备的分割扇形面拼装组焊,焊接坡口角度25-30°,坡口深度1.4-2mm,焊接时电流320-350A,焊接电压20-24V、焊接速度8-10cm/min;
(3)将焊接完成的刀片放入钝化液中,在阳极电压10-12V条件下,钝化10-12min,其中钝化液由按2:1:1体积比的3-5mg/L冰醋酸、1-2mg/L氯化钾、2.5-4mg/L双氧水溶液组成;
(4)钝化后进行清洗,清洗后放入在非氧化性气氛中进行退火,退火温度为550~580℃,退火保温时间55~65分钟退火,退火后放入渗氮炉中,在刀片表面形成渗碳层。
2.根据权利要求1所述切割机用耐磨刀片制备方法,其特征在于,所述粉末原料按质量分数如下:38%的铁、1.6%的二硫化钼、4%的镍、4.8%的铜、2%的石墨、5%的锰。
3.根据权利要求1所述切割机用耐磨刀片制备方法,其特征在于,所述钝化液由按2:1:1体积比的4mg/L冰醋酸、1.5mg/L氯化钾、3.2mg/L双氧水溶液组成。
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Cited By (2)
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CN108098282A (zh) * | 2017-09-30 | 2018-06-01 | 鼎胜刀具(东莞)有限公司 | 一种铣刀的制作方法 |
CN113369573A (zh) * | 2021-07-07 | 2021-09-10 | 马鞍山市旭隆冶金机械有限公司 | 一种用于剪切钢板的剪刃及其生产工艺 |
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Cited By (4)
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