CN105543632A - 一种高强度滚子轴承外圈制备方法 - Google Patents

一种高强度滚子轴承外圈制备方法 Download PDF

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CN105543632A
CN105543632A CN201510995053.6A CN201510995053A CN105543632A CN 105543632 A CN105543632 A CN 105543632A CN 201510995053 A CN201510995053 A CN 201510995053A CN 105543632 A CN105543632 A CN 105543632A
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equal
outer ring
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steel ingot
roller bearing
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陈恒义
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Hefei Zhonglan New Material Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

本发明公开了一种高强度滚子轴承外圈制备方法,包括以下步骤:浇注钢锭,钢锭中化学成分重量百分比为:0.75%≤C≤0.95%,1.2≤Si≤1.4%,0.5%≤Mn≤0.7%,0.005%≤P≤0.011%,0.003%≤S≤0.01%,1.5%≤Cr≤1.7%,0.008≤W≤0.012%,0.08≤Ti≤0.12%,余量为铁及不可避免的杂质;本发明产品的力学性能进一步改善,节约了产品用料,外圈整体机械强度和滚道的耐磨性性能进一步提高,提高了产品的使用寿命。

Description

一种高强度滚子轴承外圈制备方法
技术领域
本发明涉及一种高强度滚子轴承外圈制备方法。
背景技术
轴承是当代机械设备中一种重要零部件。它的主要功能是支撑机械旋转体,降低其运动过程中的摩擦系数,并保证其回转精度。滚动轴承一般由外圈、内圈、滚动体和保持架四部分组成,严格的说是由外圈、内圈、滚动体、保持架、密封、润滑油六大件组成。主要具备外圈、内圈、滚动体就可定意为滚动轴承。对于外圈机械强度和耐磨性要求较高。
发明内容
本发明的目的是提供一种高强度滚子轴承外圈制备方法,产品的力学性能进一步改善,节约了产品用料,外圈整体机械强度和滚道的耐磨性性能进一步提高,提高了产品的使用寿命。
本发明的技术方案如下:
一种高强度滚子轴承外圈制备方法,包括以下步骤:
a、浇注钢锭,钢锭中化学成分重量百分比为:0.75%≤C≤0.95%,1.2≤Si≤1.4%,0.5%≤Mn≤0.7%,0.005%≤P≤0.011%,0.003%≤S≤0.01%,1.5%≤Cr≤1.7%,0.008≤W≤0.012%,0.08≤Ti≤0.12%,余量为铁及不可避免的杂质;
b、浇铸温度控制在1150℃~1280℃,铸件温度空冷到400℃~500℃时进行水冷,水冷后经外观验收后进行磷化处理,表面高温磷化处理:在100-125℃的温度下进行,磷酸盐溶液的游离酸度于总酸度的比值为1∶3-4,处理时间为65-85分钟,然后加热到1150℃—1250℃的温度范围内,再对工件镦粗-拔长,之后校直、修正尺寸、整圆使锻造比4-5,以锻造外圈;
c、热处理
对锻造处理后的外圈进行表面可控气氛热处理:可控气氛热处理是向热处理炉中通入混合气体,氮气通入量在125~145ml/min,乙醇通入量在54~70ml/min,丙烷通入量在24~43ml/min,其炉气气氛组成重量份范围控制在氮气含量45~55份、氢气含量25~28份、二氧化碳含量10~12份。
钢锭中化学成分重量百分比为:0.8%≤C≤0.9%,1.25≤Si≤1.35%,0.55%≤Mn≤0.65%,0.007%≤P≤0.009%,0.006%≤S≤0.008%,1.55%≤Cr≤1.65%,0.009≤W≤0.011%,0.09≤Ti≤0.11%,余量为铁及不可避免的杂质。
本发明产品的力学性能进一步改善,节约了产品用料,外圈整体机械强度和滚道的耐磨性性能进一步提高,提高了产品的使用寿命。
本发明的力学性能检测数据如下:
抗拉强度σb(MPa):≥45
屈服强度σs(MPa):≥55
断面收缩率ψ(%):≥55
冲击韧性值αkv(J/cm2):≥33。
具体实施方式
一种高强度滚子轴承外圈制备方法,包括以下步骤:
a、浇注钢锭,钢锭中化学成分重量百分比为:0.75%≤C≤0.95%,1.2≤Si≤1.4%,0.5%≤Mn≤0.7%,0.005%≤P≤0.011%,0.003%≤S≤0.01%,1.5%≤Cr≤1.7%,0.008≤W≤0.012%,0.08≤Ti≤0.12%,余量为铁及不可避免的杂质;
b、浇铸温度控制在1150℃~1280℃,铸件温度空冷到400℃~500℃时进行水冷,水冷后经外观验收后进行磷化处理,表面高温磷化处理:在100-125℃的温度下进行,磷酸盐溶液的游离酸度于总酸度的比值为1∶3-4,处理时间为65-85分钟,然后加热到1150℃—1250℃的温度范围内,再对工件镦粗-拔长,之后校直、修正尺寸、整圆使锻造比4-5,以锻造外圈;
c、热处理
对锻造处理后的外圈进行表面可控气氛热处理:可控气氛热处理是向热处理炉中通入混合气体,氮气通入量在125~145ml/min,乙醇通入量在54~70ml/min,丙烷通入量在24~43ml/min,其炉气气氛组成重量份范围控制在氮气含量45~55份、氢气含量25~28份、二氧化碳含量10~12份。
钢锭中化学成分重量百分比为:0.8%≤C≤0.9%,1.25≤Si≤1.35%,0.55%≤Mn≤0.65%,0.007%≤P≤0.009%,0.006%≤S≤0.008%,1.55%≤Cr≤1.65%,0.009≤W≤0.011%,0.09≤Ti≤0.11%,余量为铁及不可避免的杂质。

Claims (2)

1.一种高强度滚子轴承外圈制备方法,其特征在于,包括以下步骤:
a、浇注钢锭,钢锭中化学成分重量百分比为:0.75%≤C≤0.95%,1.2≤Si≤1.4%,0.5%≤Mn≤0.7%,0.005%≤P≤0.011%,0.003%≤S≤0.01%,1.5%≤Cr≤1.7%,0.008≤W≤0.012%,0.08≤Ti≤0.12%,余量为铁及不可避免的杂质;
b、浇铸温度控制在1150℃~1280℃,铸件温度空冷到400℃~500℃时进行水冷,水冷后经外观验收后进行磷化处理,表面高温磷化处理:在100-125℃的温度下进行,磷酸盐溶液的游离酸度于总酸度的比值为1∶3-4,处理时间为65-85分钟,然后加热到1150℃—1250℃的温度范围内,再对工件镦粗-拔长,之后校直、修正尺寸、整圆使锻造比4-5,以锻造外圈;
c、热处理
对锻造处理后的外圈进行表面可控气氛热处理:可控气氛热处理是向热处理炉中通入混合气体,氮气通入量在125~145ml/min,乙醇通入量在54~70ml/min,丙烷通入量在24~43ml/min,其炉气气氛组成重量份范围控制在氮气含量45~55份、氢气含量25~28份、二氧化碳含量10~12份。
2.根据权利要求1所述高强度滚子轴承外圈制备方法,其特征在于,钢锭中化学成分重量百分比为:0.8%≤C≤0.9%,1.25≤Si≤1.35%,0.55%≤Mn≤0.65%,0.007%≤P≤0.009%,0.006%≤S≤0.008%,1.55%≤Cr≤1.65%,0.009≤W≤0.011%,0.09≤Ti≤0.11%,余量为铁及不可避免的杂质。
CN201510995053.6A 2015-12-28 2015-12-28 一种高强度滚子轴承外圈制备方法 Pending CN105543632A (zh)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105880949A (zh) * 2016-05-24 2016-08-24 安庆银亿轴承有限公司 一种高强度空调轴承外圈制备方法
CN105880948A (zh) * 2016-05-24 2016-08-24 安庆银泰轴承有限公司 一种空调轴承内套的制备方法
CN106078090A (zh) * 2016-06-20 2016-11-09 安徽省瑞杰锻造有限责任公司 一种大型轴类锻件的锻造工艺
CN106399761A (zh) * 2016-11-14 2017-02-15 安徽名杰净化科技有限公司 耐风蚀净化器进风格栅板
CN106636946A (zh) * 2016-11-17 2017-05-10 马鞍山市银鼎机械制造有限公司 一种高硬度球磨机用研磨体制备方法
CN110000327A (zh) * 2019-03-12 2019-07-12 张家港中环海陆特锻股份有限公司 核电汽轮机中遮热环的制造工艺

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105880949A (zh) * 2016-05-24 2016-08-24 安庆银亿轴承有限公司 一种高强度空调轴承外圈制备方法
CN105880948A (zh) * 2016-05-24 2016-08-24 安庆银泰轴承有限公司 一种空调轴承内套的制备方法
CN106078090A (zh) * 2016-06-20 2016-11-09 安徽省瑞杰锻造有限责任公司 一种大型轴类锻件的锻造工艺
CN106078090B (zh) * 2016-06-20 2018-05-08 安徽省瑞杰锻造有限责任公司 一种大型轴类锻件的锻造工艺
CN106399761A (zh) * 2016-11-14 2017-02-15 安徽名杰净化科技有限公司 耐风蚀净化器进风格栅板
CN106636946A (zh) * 2016-11-17 2017-05-10 马鞍山市银鼎机械制造有限公司 一种高硬度球磨机用研磨体制备方法
CN110000327A (zh) * 2019-03-12 2019-07-12 张家港中环海陆特锻股份有限公司 核电汽轮机中遮热环的制造工艺
CN110000327B (zh) * 2019-03-12 2020-06-02 张家港中环海陆高端装备股份有限公司 核电汽轮机中遮热环的制造工艺

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Application publication date: 20160504