CN106868267B - 一种d2钢轧辊双频热处理淬火工艺及装置 - Google Patents

一种d2钢轧辊双频热处理淬火工艺及装置 Download PDF

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CN106868267B
CN106868267B CN201710169679.0A CN201710169679A CN106868267B CN 106868267 B CN106868267 B CN 106868267B CN 201710169679 A CN201710169679 A CN 201710169679A CN 106868267 B CN106868267 B CN 106868267B
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张连华
王季
陈柏金
胡志清
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Abstract

一种D2钢轧辊双频热处理淬火工艺及装置,在双频感应淬火机床上进行,上加热感应器工频为50Hz,预加热比功率1‑3kw/cm2,下加热感应器为中频1000Hz,加热比功率0.5‑1.5kw/cm2。本发明感应淬火时,材料的加热温度通常大于800°C,热透入深度为△800°C=500/,根据公式计算,工频对轧辊的热透入深度为71mm,一般D2轧辊直径大多在ø80mm‑ø120mm之间,因此,上加热感应器可以对轧辊透热;下加热感应器工作频率为1000Hz,根据热透入公式,加热深度为16mm,因此,其淬硬层深度不小于8mm;本发明还通过对喷水圈上的喷水孔数量和孔径的限制,借此控制淬火喷水量,从而能使D2钢轧辊3淬硬层下面仍保持原调质组织,既满足轧辊表面硬度,也满足轧辊的综合力学性能。

Description

一种D2钢轧辊双频热处理淬火工艺及装置
技术领域
本发明涉及一种热处理工艺及装置,尤其涉及一种采用双频对D2钢进行热处理的淬火工艺及装置,属于热处理工艺技术领域。
背景技术
D2钢是美国材料与试验协会标准牌号,对应的中国标准牌号是Cr12Mo1V1,它是一种莱氏体冷作模具钢,具有高碳、高铬、高耐磨性能,且具有脆性大,极易开裂的特性。D2钢作为冷轧工作辊多用在轧制镜面不锈钢板的多辊轧机上,其硬度要求一般在HRC60°-62°之间,对强度和耐磨性要求也非常高。这种轧辊近几年国内只有部分公司可以生产,但生产规格只能局限在ø120mm×1200mm以下,其余规格的D2冷轧辊还主要依赖进口。这是因为D2钢的淬火温度较高980-1020C,且对表面的脱碳要求很高,一般的炉窑难以胜任。目前国内通常通过高温盐炉来实现,其基本工艺是:首先在普通炉窑内预热,然后转入高温盐炉加热,最后冷却油淬火、回火。以上工艺存在很大弊端:1、多辊机上的D2钢轧辊通常细而长,吊在盐炉中竖直加热,出炉淬火时,先出炉的上部恰恰是最后淬火,造成淬火温度下高上低,淬火硬度不均匀,不但影响带钢表面质量,还会导致轧辊早期剥落报废,如果采取出炉翻转掉头淬火,淬火温度又会下降,更容易造成轧辊弯曲;2、盐炉淬火,基本是透淬,轧辊韧性差,易开裂;3、盐炉对环境的污染严重、热利用率低、能耗大。总而言之,采用盐炉对D2钢轧辊进行加热淬火的工艺,属于高能耗、低产能的落后工艺,不能满足现代工业产品的技术要求。
发明内容
为了弥补D2钢轧辊传统热处理淬火工艺的技术不足,本发明提供一种D2钢轧辊双频热处理淬火工艺及装置,使工件淬火硬度均匀、综合机械性能好,工艺热利用率高且对环境无污染。
本发明通过以下技术方案实施:一种D2钢轧辊双频热处理淬火工艺,所述的工艺在双频感应淬火机床上进行,上加热感应器为工频50Hz,预加热比功率1-3kw/cm2,下加热感应器为中频1000Hz,加热比功率0.5-1.5kw/cm2,具体工艺包括以下步骤:
a、淬火预备
将D2钢轧辊两端的中心孔夹持在双频感应淬火机床的上、下竖直顶尖之间,启动轧辊绕轴线转动并沿加热感应器和喷水圈移动,转速为25-35r/min,移动速度为1.8-2mm/s;
b、预加热
轧辊辊身下端进入上加热感应器后,上加热感应器启动,调节电位器,使电功率逐渐平稳增加,保证轧辊辊身在上加热感应器下出口的温度为780-800°C之间;
c、加热
轧辊辊身下端进入下加热感应器,下加热感应器启动,调节电位器,使电功率逐渐平稳增加,保证轧辊辊身在下加热感应器下出口的温度为980-1020°C之间;
d、喷水冷却淬火
轧辊继续下降使辊身下端进入喷水圈后,启动水泵进行喷水冷却淬火,保证工作水压0.03-0.05MPa,淬火水温25-35°C;
e、上加热感应器电功率回零
当辊身上端部进入上加热感应器后,上加热感应器开始减电功率,到达上加热感应器下出口时电功率减小到零;
f、下加热感应器电功率回零
当辊身上端部进入下加热感应器后,下加热感应器开始减电功率,到达下加热感应器下出口时电功率减小到零;
g、喷水冷却保持
辊身上端部进入喷水圈并至喷水线以下后,轧辊停止下降,轧辊继续转动,并继续喷水15-25s。
h、回火
在带有循环风的箱式电阻炉里回火,炉窑温度均匀性在±5℃范围内,共回火两次,第一次回火温度550℃-560℃、回火时间36h,出炉空冷至室温,第二次回火温度550℃-560℃、回火时间24h;
I、硬度为HRC60°-62°、金相组织为马氏体+合金碳化物+少量残余奥氏体。
一种D2钢轧辊双频热处理淬火的装置,包括双频感应淬火机床、夹持顶尖、上加热感应器、下加热感应器、喷水圈,所述的夹持顶尖分为上、下顶尖,所述的上、下顶尖相对,并竖直支承在双频感应淬火机床的工作轴线上;所述的轧辊通过两端中心孔夹持在上、下顶尖之间;所述的上加热感应器和下加热感应器由紫铜制成,所述喷水圈采用不锈钢制成,上加热感应器、下加热感应器和喷水圈沿双频感应淬火机床的轴线分别工作,三者由上至下依次外套在轧辊的外围且圆周间距相等,其特征在于:
所述的上加热感应器的高度设置在190-210mm之间,加热比功率设置为1-3kw/cm2
所述的下加热感应器的高度设置在155-175mm之间,加热比功率设置为0.5-1.5kw/cm2
所述的喷水圈内壁面为上小下大的锥形面,锥形面圆周上设有若干只向心喷水孔。
进一步地,所述上加热感应器与下加热感应器之间的间距设置在45-55mm之间。
进一步地,所述下加热感应器与喷水圈之间的间距设置在25-35 mm之间。
进一步地,所述轧辊与上加热感应器之间的间距设置在30-35mm之间。
进一步地,所述轧辊与下加热感应器之间的间距设置在10-15 mm之间。
进一步地,所述喷水圈上的锥形面与端面夹角为55-65°。
进一步地,所述喷水圈内壁锥形面上设有的若干只喷水孔轴线与锥形面垂直,若干只喷水孔的出孔口中心处在同一平面上,所述的这一平面与夹持顶尖的轴线垂直,喷水孔的直径为¢1.6-¢1.8mm,相邻两喷水孔间距为9-11mm。
本发明感应淬火时,材料的加热温度通常大于800°C,热透入深度为△800°C=500/,根据公式计算,工频对轧辊的热透入深度为71mm,一般D2轧辊直径大多在ø80mm-ø120mm之间,因此,上加热感应器可以对轧辊透热;下加热感应器工作频率为1000Hz,根据热透入公式,加热深度为16mm,因此,其淬硬层深度不小于8mm;本发明还通过对喷水圈上的喷水孔数量和孔径的限制,借此控制淬火喷水量,从而能使D2钢轧辊3淬硬层下面仍保持原调质组织,在满足轧辊表面硬度的同时,也满足轧辊包括韧性在内的综合力学性能要求。
附图说明
附图1为本发明双频热处理淬火装置的结构示意图;
附图2为附图1中I部分结构移出放大图。
在附图1和2中:1为双频感应淬火机床、2和2’为上下夹持顶尖、3为D2钢轧辊、4为上加热感应器、401为上加热感应器上口、402为上加热感应器下口、5为下加热感应器、501为下加热感应器上口、502为下加热感应器下口、6为喷水圈、601锥形面、602喷水孔。
具体实施方式
以下结合附图对本发明作进一步解释说明:
如附图1、2所示,D2钢轧辊双频热处理淬火的装置,包括双频感应淬火机床1、上下夹持顶尖2和2’、上加热感应器4、下加热感应器5、喷水圈6,上夹持顶尖2和下夹持顶尖2’顶尖相对,两顶尖竖直支承在双频感应淬火机床1的工作轴线上;D2钢轧辊3通过两端中心孔夹持在上夹持顶尖2和下夹持顶尖2’之间;上加热感应器4和下加热感应器5由紫铜制成,喷水圈6采用不锈钢制成,上加热感应器4、下加热感应器5和喷水圈6分别沿双频感应淬火机床1的工作轴线,由上至下依次外套在D2钢轧辊3的外围且圆周间隙相等;上加热感应器4的高度设置为200mm,加热比功率设置为2kw/cm2;下加热感应器5的高度设置为160mm,加热比功率设置为1kw/cm2;喷水圈6内表面为上小下大的锥形面601,锥形面601圆周上设有若干个向心喷水孔602,喷水孔602轴线与锥形面601垂直;上加热感应器4与下加热感应器5之间的间距设置为50mm;下加热感应器5与喷水圈6之间的间距设置为30 mm;D2钢轧辊3与上加热感应器4之间的间距设置为32mm;D2钢轧辊3与下加热感应器5之间的间距设置为12mm。
本发明在上述双频热处理淬火装置上实现的淬火工艺包括以下步骤:
a、淬火预备
将D2钢轧辊3两端的中心孔夹持在双频感应淬火机床1的上夹持顶尖2和下夹持顶尖2’之间,启动D2钢轧辊3绕轴线转动并沿上加热感应器4、下加热感应器5和喷水圈6移动,转速为30r/min,移动速度为2mm/s;
b、预加热
在上加热感应器4工频为50Hz,预加热比功率2kw/cm2的条件下,D2钢轧辊3的辊身下端进入上加热感应器上口401后,上加热感应器4启动,调节电位器,使电功率逐渐平稳增加,保证D2钢轧辊3的辊身在上加热感应器4下口402的温度为790°C;
c、加热
在下加热感应器5为中频1000Hz,加热比功率1kw/cm2的条件下,D2钢轧辊3的辊身下端进入下加热感应器上口501后,下加热感应器5启动,调节电位器,使电功率逐渐平稳增加,保证D2钢轧辊3的辊身在下加热感应器下口502的温度为1000°C;
d、喷水冷却淬火
D2钢轧辊3继续下降使辊身下端进入喷水圈6后,启动水泵进行喷水冷却淬火,工作水压为0.04MPa,淬火水温30°C;
e、上加热感应器4电功率回零
当D2钢轧辊3的辊身上端部进入上加热感应器上口401后,上加热感应器4开始减电功率,到达上加热感应器下出口402时电功率减小到零;
f、下加热感应器5电功率回零
当D2钢轧辊3的辊身上端部进入下加热感应器上口501后,下加热感应器5开始减电功率,到达下加热感应器下出口502时电功率减小到零;
g、喷水冷却保持
D2钢轧辊3的辊身上端部进入喷水圈6并至喷水线以下后,D2钢轧辊3的辊身停止下降,轧辊继续转动,并继续喷水15-25s;
h、回火
在带有循环风的箱式电阻炉里回火,炉窑温度均匀性在±5℃范围内,共回火两次,第一次回火温度550℃-560℃、回火时间36h,出炉空冷至室温,第二次回火温度550℃-560℃、回火时间24h;
I、硬度为HRC60°-62°、金相组织为马氏体+合金碳化物+少量残余奥氏体。
本发明感应淬火时,材料的加热温度通常大于800°C,热透入深度为△800°C=500/,根据公式计算,工频对D2钢轧辊3的热透入深度为71mm,一般D2钢轧辊3直径大多在ø80mm-ø120mm之间,因此,上加热感应器4可以对D2钢轧辊3透热;下加热感应器5工作频率为1000Hz,根据热透入公式,加热深度为16mm,因此,其淬硬层深度不小于8mm;本发明还通过对喷水圈6上的喷水孔602数量和孔径的限制,借此控制淬火喷水量,从而能使D2钢轧辊3淬硬层下面仍保持原调质组织,在满足轧辊表面硬度的同时,也满足轧辊包括韧性在内的综合力学性能要求。

Claims (1)

1.一种D2钢轧辊双频热处理淬火工艺,其特征在于:
所述的工艺在双频感应淬火机床上进行,上加热感应器工频为50Hz,预加热比功率1-3kw/cm2,下加热感应器为中频1000Hz,加热比功率0.5-1.5kw/cm2,具体工艺包括以下步骤:
a、淬火预备
将D2钢轧辊两端的中心孔夹持在双频感应淬火机床的上、下竖直顶尖之间,启动轧辊绕轴线转动并沿加热感应器和喷水圈移动,转速为25-35r/min,移动速度为1.8-2mm/s;
b、预加热
轧辊辊身下端进入上加热感应器上口后,上加热感应器启动,调节电位器,使电功率逐渐平稳增加,保证轧辊辊身在上加热感应器下口的温度为780-800°C之间;
c、加热
轧辊辊身下端进入下加热感应器上口后,下加热感应器启动,调节电位器,使电功率逐渐平稳增加,保证轧辊辊身在下加热感应器下口的温度为980-1020°C之间;
d、喷水冷却淬火
轧辊继续下降使辊身下端进入喷水圈后,启动水泵进行喷水冷却淬火,保证工作水压0.03-0.05MPa,淬火水温25-35°C;
e、上加热感应器电功率回零
当辊身上端部进入上加热感应器上口后,上加热感应器开始减电功率,到达上加热感应器下口时电功率减小到零;
f、下加热感应器电功率回零
当辊身上端部进入下加热感应器上口后,下加热感应器开始减电功率,到达下加热感应器下口时电功率减小到零;
g、喷水冷却保持
辊身上端部进入喷水圈并至喷水线以下后,轧辊停止下降,但转动依旧,继续喷水15-25s;
h、回火
在带有循环风的箱式电阻炉里回火,炉窑温度均匀性在±5℃范围内,共回火两次,第一次回火温度550℃-560℃、回火时间36h,出炉空冷至室温,第二次回火温度550℃-560℃、回火时间24h;
I、硬度为HRC60-62、金相组织为马氏体+合金碳化物+少量残余奥氏体。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111440937A (zh) * 2020-05-26 2020-07-24 重庆长融机械有限责任公司 一种汽车转向器齿轮用挡圈热处理方法及其夹具

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106367564B (zh) * 2016-09-22 2017-12-22 中车大连机车车辆有限公司 弹簧片单面中频淬火工艺及其感应器
CN107828941B (zh) * 2017-12-27 2019-12-24 株洲中车天力锻业有限公司 一种盾构机转轴的花键轴头的热处理方法
CN109593945B (zh) * 2018-12-14 2020-09-08 邢台德龙机械轧辊有限公司 用于轧辊辊颈或托肩的自回火高频强化方法
CN114164321A (zh) * 2021-12-07 2022-03-11 广州市广智机电工业研究所有限公司 一种高频淬火系统及工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202705418U (zh) * 2012-08-06 2013-01-30 上海上大热处理有限公司 一种Cr12MoV轧辊的感应淬火加工装置
CN104032103A (zh) * 2014-05-12 2014-09-10 宜兴市永昌轧辊有限公司 一种超深淬硬层冷轧辊的热处理方法及热处理时采用的淬火设备
CN105349737A (zh) * 2015-11-16 2016-02-24 中钢集团邢台机械轧辊有限公司 双频三效冷轧辊感应淬火工艺
CN105543459A (zh) * 2015-12-24 2016-05-04 湖南力升轧辊有限公司 一种Cr12MoV轧辊的复合淬火方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015043262A (ja) * 2013-08-26 2015-03-05 三菱電機株式会社 高周波誘導加熱装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202705418U (zh) * 2012-08-06 2013-01-30 上海上大热处理有限公司 一种Cr12MoV轧辊的感应淬火加工装置
CN104032103A (zh) * 2014-05-12 2014-09-10 宜兴市永昌轧辊有限公司 一种超深淬硬层冷轧辊的热处理方法及热处理时采用的淬火设备
CN105349737A (zh) * 2015-11-16 2016-02-24 中钢集团邢台机械轧辊有限公司 双频三效冷轧辊感应淬火工艺
CN105543459A (zh) * 2015-12-24 2016-05-04 湖南力升轧辊有限公司 一种Cr12MoV轧辊的复合淬火方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"宝钢深淬硬层轧辊卡勃尔工作辊的双频淬火";卢振鸣;《铸锻热》;19950515(第02期);正文第20-22页 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111440937A (zh) * 2020-05-26 2020-07-24 重庆长融机械有限责任公司 一种汽车转向器齿轮用挡圈热处理方法及其夹具

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