CN103692152B - 一种拔套的制造方法 - Google Patents

一种拔套的制造方法 Download PDF

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CN103692152B
CN103692152B CN201310423831.5A CN201310423831A CN103692152B CN 103692152 B CN103692152 B CN 103692152B CN 201310423831 A CN201310423831 A CN 201310423831A CN 103692152 B CN103692152 B CN 103692152B
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赵耀
郭向阳
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MA'ANSHAN YIHUA HYDRAULIC MACHINES Co Ltd
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    • 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
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/008Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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Abstract

本发明公开了一种拔套的制造方法,具有如下步骤:a)制备和铸造具有如下重量百分比的φ110×33mm棒状钢锭:1.37%≤C≤2.84%,0.15≤Si≤0.35%,0.45%≤Mn≤0.80%,0.23≤P≤0.35%,0.025≤S≤0.045%,0.50%≤Cr≤0.95%,0.33%≤Mo≤0.40%,1.60≤Ni≤2.00%,0.10≤Cu≤0.20%,0.014≤Sn≤0.026%,余量为Fe和不可避免的杂质,铸造成型的钢锭温度降至300℃,再加热至670-760℃,保温3-5小时,炉冷至200℃,保温4小时,再加热至670-800℃,保温10小时,以40℃/小时冷却至300℃,再以20℃/小时,冷却至50℃;本发明制坯方便,效率高,使用寿命长,安全可靠,适用于各种型号的滑动叉的大批量生产。

Description

一种拔套的制造方法
技术领域
本发明涉及一种拔套的制造方法。
背景技术
拔套是汽车转向桥上的主要零件之一,直接影响汽车使用性能。大批量的生产该产品,用操作人员劳动强度大,产品质量全凭人为控制、劳动密集型工艺,是不合适的用此工艺,生产效率很低。
发明内容
本发明的目的是提供一种拔套的制造方法,制坯方便,效率高,使用寿命长,安全可靠,适用于各种型号的滑动叉的大批量生产。
本发明的技术方案如下:
一种拔套的制造方法,具有如下步骤:
a)制备和铸造具有如下重量百分比的φ110×33mm棒状钢锭:1.37%≤C≤2.84%,0.15≤Si≤0.35%,0.45%≤Mn≤0.80%,0.23≤P≤0.35%,0.025≤S≤0.045%,0.50%≤Cr≤0.95%,0.33%≤Mo≤0.40%,1.60≤Ni≤2.00%,0.10≤Cu≤0.20%,0.014≤Sn≤0.026%,余量为Fe和不可避免的杂质,铸造成型的钢锭温度降至300℃,再加热至670-760℃,保温3-5小时,炉冷至200℃,保温4小时,再加热至670-800℃,保温10小时,以40℃/小时冷却至300℃,再以20℃/小时,冷却至50℃;
b)、机加工工序:
1、粗车,利用三爪卡盘装夹装夹棒状毛坯,先用φ60 mm钻头打通孔,车端面、外圆至尺寸φ109mm,车内孔至尺寸φ84 mm;再掉头装夹车端面控总长至30mm,车外圆至尺寸φ109 mm;
2、热处理,将工件进行淬火处理,硬度达到HRC32-36;
3、精车,利用三爪卡盘装夹装夹棒状毛坯,先车端面,车外圆至尺寸φ107 mm;并倒角;再掉头装夹车端面控总长至尺寸28mm,车外圆至尺寸φ107mm,倒角;
4、用三爪卡盘装夹工件,在插床里插内六方,对边尺寸插至85mm
5、在钻床中,划线并钻12×φ12.2 mm的通孔;
6、对工件表面处理,表面化学镀处理;
c)在步骤b)中加工的拔套工件加热至980℃并保温1-2h,油冷至不高于100℃后重新加热至680℃-750℃的温度范围并保温2h,之后水冷;经过回火处理后,再将拔套工件头部加热到320-380℃,保温4-5小时,然后喷雾冷却处理,拔套工件尾部在900-1020℃,保温6-8小时,然后空冷,最后滑动叉中部再加温至温度为160~180℃,保温2-3小时,放入铁箱中堆冷;
d)磷化处理,在常温下将工件在热火封闭温度为280-300℃,采用PH值为8的表面调整剂处理1-2min,经滴空1-2min后,采用磷化剂处理15-20min,再经滴空1-2min后,采用清水清洗1-2min,再滴空1-2min后,以将工件置于78-100℃的热水中处理0.5-1min。
所述磷化处理,在常温下将工件在热火封闭温度为290℃,采用PH值为8的表面调整剂处理1.5min,经滴空1.5min后,采用磷化剂处理18min,再经滴空1.5min后,采用清水清洗1.5min,再滴空1.5min后,以将工件置于80℃的热水中处理0.7min。
本发明制坯方便,效率高,使用寿命长,安全可靠,适用于各种型号的滑动叉的大批量生产。
本发明拔套的力学性能:抗拉强度Rm≥820Mpa,屈服强度Re≥690Mpa,伸长率A≥14%,力学性能Z≥30%。
具体实施方式
一种拔套的制造方法,具有如下步骤:
a)制备和铸造具有如下重量百分比的φ110×33mm棒状钢锭:1.37%≤C≤2.84%,0.15≤Si≤0.35%,0.45%≤Mn≤0.80%,0.23≤P≤0.35%,0.025≤S≤0.045%,0.50%≤Cr≤0.95%,0.33%≤Mo≤0.40%,1.60≤Ni≤2.00%,0.10≤Cu≤0.20%,0.014≤Sn≤0.026%,余量为Fe和不可避免的杂质,铸造成型的钢锭温度降至300℃,再加热至670-760℃,保温3-5小时,炉冷至200℃,保温4小时,再加热至670-800℃,保温10小时,以40℃/小时冷却至300℃,再以20℃/小时,冷却至50℃;
b)、机加工工序:
1、粗车,利用三爪卡盘装夹装夹棒状毛坯,先用φ60 mm钻头打通孔,车端面、外圆至尺寸φ109mm,车内孔至尺寸φ84 mm;再掉头装夹车端面控总长至30mm,车外圆至尺寸φ109 mm;
2、热处理,将工件进行淬火处理,硬度达到HRC32-36;
3、精车,利用三爪卡盘装夹装夹棒状毛坯,先车端面,车外圆至尺寸φ107 mm;并倒角;再掉头装夹车端面控总长至尺寸28mm,车外圆至尺寸φ107mm,倒角;
4、用三爪卡盘装夹工件,在插床里插内六方,对边尺寸插至85mm
5、在钻床中,划线并钻12×φ12.2 mm的通孔;
6、对工件表面处理,表面化学镀处理;
c)在步骤b)中加工的拔套工件加热至980℃并保温1-2h,油冷至不高于100℃后重新加热至680℃-750℃的温度范围并保温2h,之后水冷;经过回火处理后,再将拔套工件头部加热到320-380℃,保温4-5小时,然后喷雾冷却处理,拔套工件尾部在900-1020℃,保温6-8小时,然后空冷,最后滑动叉中部再加温至温度为160~180℃,保温2-3小时,放入铁箱中堆冷;
d)磷化处理,在常温下将工件在热火封闭温度为290℃,采用PH值为8的表面调整剂处理1.5min,经滴空1.5min后,采用磷化剂处理18min,再经滴空1.5min后,采用清水清洗1.5min,再滴空1.5min后,以将工件置于80℃的热水中处理0.7min。

Claims (2)

1.一种拔套的制造方法,其特征在于,具有如下步骤:
a)、制备和铸造具有如下重量百分比的φ110×33mm棒状钢锭:1.37%≤C≤2.84%,0.15≤Si≤0.35%,0.45%≤Mn≤0.80%,0.23≤P≤0.35%,0.025≤S≤0.045%,0.50%≤Cr≤0.95%,0.33%≤Mo≤0.40%,1.60≤Ni≤2.00%,0.10≤Cu≤0.20%,0.014≤Sn≤0.026%,余量为Fe和不可避免的杂质,铸造成型的钢锭温度降至300℃,再加热至670-760℃,保温3-5小时,炉冷至200℃,保温4小时,再加热至670-800℃,保温10小时,以40℃/小时冷却至300℃,再以20℃/小时,冷却至50℃;
b)、机加工工序:
(1)、粗车,利用三爪卡盘装夹棒状毛坯,先用φ60 mm钻头打通孔,车端面、外圆至尺寸φ109mm,车内孔至尺寸φ84 mm;再掉头装夹车端面控总长至30mm,车外圆至尺寸φ109mm;
(2)、热处理,将工件进行淬火处理,硬度达到HRC32-36;
(3)、精车,利用三爪卡盘装夹棒状毛坯,先车端面,车外圆至尺寸φ107 mm;并倒角;再掉头装夹车端面控总长至尺寸28mm,车外圆至尺寸φ107mm,倒角;
(4)、用三爪卡盘装夹工件,在插床里插内六方,对边尺寸插至85mm
(5)、在钻床中,划线并钻12×φ12.2 mm的通孔;
(6)、对工件表面处理,表面化学镀处理;
c)、将步骤b)中加工的拔套工件加热至980℃并保温1-2h,油冷至不高于100℃后重新加热至680℃-750℃并保温2h,之后水冷;经过回火处理后,再将拔套工件头部加热到320-380℃,保温4-5小时,然后喷雾冷却处理,拔套工件尾部在900-1020℃,保温6-8小时,然后空冷,最后拔套中部再加温至温度为160~180℃,保温2-3小时,放入铁箱中堆冷;
d)、磷化处理,在常温下将工件在热火封闭温度为280-300℃,采用pH值为8的表面调整剂处理1-2min,经滴空1-2min后,采用磷化剂处理15-20min,再经滴空1-2min后,采用清水清洗1-2min,再滴空1-2min后,以将工件置于78-100℃的热水中处理0.5-1min。
2.根据权利要求1所述拔套的制造方法,其特征在于,所述磷化处理,在常温下将工件在热火封闭温度为290℃,采用pH值为8的表面调整剂处理1.5min,经滴空1.5min后,采用磷化剂处理18min,再经滴空1.5min后,采用清水清洗1.5min,再滴空1.5min后,以将工件置于80℃的热水中处理0.7min。
CN201310423831.5A 2013-09-17 2013-09-17 一种拔套的制造方法 Expired - Fee Related CN103692152B (zh)

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CN105880921A (zh) * 2014-09-28 2016-08-24 重庆硕睿机械有限公司 汽车转向柱轴叉整体件压制成型的生产工艺
CN110193703A (zh) * 2019-06-19 2019-09-03 哈尔滨汽轮机厂有限责任公司 一种连接轴的高精度加工方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017061A (ja) * 1983-07-06 1985-01-28 Daido Steel Co Ltd 快削鋼およびその製造方法
CN1046865A (zh) * 1990-05-21 1990-11-14 华中理工大学 汽车传动轴万向节叉挤压模锻工艺及其模具
CN2639057Y (zh) * 2003-09-10 2004-09-08 上海纳铁福传动轴有限公司 汽车传动轴滑动叉总成
CN1740367A (zh) * 2005-09-14 2006-03-01 刘承刚 一种高强度耐热耐磨无破裂的立磨磨套及制造工艺
CN102886643A (zh) * 2012-09-11 2013-01-23 昌利锻造有限公司 一种汽车用滑动叉的制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017061A (ja) * 1983-07-06 1985-01-28 Daido Steel Co Ltd 快削鋼およびその製造方法
CN1046865A (zh) * 1990-05-21 1990-11-14 华中理工大学 汽车传动轴万向节叉挤压模锻工艺及其模具
CN2639057Y (zh) * 2003-09-10 2004-09-08 上海纳铁福传动轴有限公司 汽车传动轴滑动叉总成
CN1740367A (zh) * 2005-09-14 2006-03-01 刘承刚 一种高强度耐热耐磨无破裂的立磨磨套及制造工艺
CN102886643A (zh) * 2012-09-11 2013-01-23 昌利锻造有限公司 一种汽车用滑动叉的制造方法

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