WO2018176904A1 - 一种高硬度精密雕刻刀模 - Google Patents
一种高硬度精密雕刻刀模 Download PDFInfo
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- the engraving knife mold is heated to 660 ° C, kept for 18 minutes, then cooled to 555 ° C by compressed air in 23 seconds, then the engraving knife mold is cooled to 430 ° C with spray water, and then the knife mold is heated to 720 ° C, It was then cooled to 420 ° C and finally air cooled to room temperature.
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Abstract
一种高硬度精密雕刻刀模,其重量百分比成分为:C:0.27~0.29%,Si:1.3~1.5%,Mn:1.3~1.5%,P:0.013~0.015%,S:0.005~0.007%,Nb:0.025~0.027%,Ti:0.073~0.075%,Ni:0.2~0.4%,Mo:1.1~1.3%,Cu:0.3~0.5%,Al:0.11~0.13%,余量为Fe和杂质;高硬度精密雕刻刀模热处理工艺包括以下步骤:(一)将雕刻刀模加热到850-870℃,保温11-13分钟,在10-13秒内水冷至650-670℃,空冷10-13分钟,再将刀模加热到750-770℃,通过压缩空气快速冷却到350-370℃,空冷至室温;(二)将雕刻刀模加热到650-670℃,保温17-19分钟,在22-25秒内通过压缩空气冷至553-558℃,采用喷雾状水将雕刻刀模冷至420-450℃,将刀模加热到710-730℃,水冷至410-430℃,空冷至室温。
Description
本发明涉及一种模具,具体的说是一种韧性、切削性和耐磨性优异的高硬度精密雕刻刀模。
雕刻刀模在模切行业中比较常用的产品,一般用于冲压出所需的模切产品的形状。其精度较高。相对于激光刀模,雕刻刀模的精度更高,可控制在±0.03MM,而激光刀模的精度在±0.1MM,其精度是显而易见的。但雕刻刀模的加工时间比激光刀模要多2倍以上,其材料工时消耗多,致使雕刻刀模的价格比传统刀模的价格高出好多。雕刻刀模一般是用50多度,8mm厚的钢料,更耐用,冲压次数更多,而且可以多次修刀锋。但具有精度高、不易变形等优点。相比蚀刻刀模,雕刻刀模是直接用机器清楚刀线周边余料,雕刻刀模如果稍微大点,雕刻刀模底板会弯且易变形。
发明内容
本发明所要解决的技术问题是,提出一种高硬度精密雕刻刀模,可有效增加韧性、切削性、耐磨性和硬度。
本发明解决以上技术问题的技术方案是:
一种高硬度精密雕刻刀模,其重量百分比成分为:C:0.27~0.29%,Si:1.3~1.5%,Mn:1.3~1.5%,P:0.013~0.015%,S:0.005~0.007%,Nb:0.025~0.027%,Ti:0.073~0.075%,Ni:0.2~0.4%,Mo:1.1~1.3%,Cu:0.3~0.5%,Al:0.11~0.13%,余量为Fe和杂质。
高硬度精密雕刻刀模的热处理工艺,热处理工艺在雕刻工艺后进行,热处理工艺包括以下步骤:
㈠将雕刻刀模加热到850-870℃,保温11-13分钟,然后在10-13秒内水冷至650-670℃,然后空冷10-13分钟,再将刀模加热到750-770℃,然后通过压缩空气快速冷却到350-370℃,最后空冷至室温;
㈡将雕刻刀模加热到650-670℃,保温17-19分钟,然后在22-25秒内通过压缩空气冷至553-558℃,然后采用喷雾状水将雕刻刀模冷至420-450℃,再将刀模加热到710-730℃,然后水冷至410-430℃,最后空冷至室温。
本发明的有益效果是:本发明通过Ni和Cu的含量来改进雕刻刀模的切削性能;通过Nb、 Ti、Cr和Cu的含量来改进雕刻刀模的硬度,未经热处理前,经检测硬度可达HRC51-53;通过Nb、Ti、Ni、Cr和Al的含量来改进韧性,经检测韧性可达77-79J/cm
2;另外,由于雕刻刀模的制备需要机器清楚刀线周边余料,因此,在其成分的设计时,不能通过成分的控制来最大程度的提高其硬度,这样会增加雕刻难度,但雕刻刀模如果做的稍微大点,由于硬度不够,雕刻刀模底板会弯且易变形,因此,本发明通过后续的热处理来提高其硬度,本发明通过热处理工艺,使雕刻刀模具有更高的强度,经检测硬度可达HRC55-57,制度大规格的雕刻刀模后底板不易变形;另外,冲切材料大多含有胶类,需要其具有抗酸耐蚀性能,本发明通过后续的热处理可以提高其抗酸耐蚀性能,具有优异的抗酸耐蚀性能,获得了意想不到的技术效果,本发明雕刻刀模HIC性能,实验按照NACE TM0248-A实验溶液标准进行,(CTR)≤5%,(CSR)≤2%,(CLR)≤15%;SSC性能按ASTM G39标准进行四点弯曲试验,在NACE TM0177的A溶液中进行4点弯曲试验,试验时间720小时,试样加载应力为实际屈服强度的80%,试验后在10倍放大倍率下观察,试件样品厚度方向没有裂纹。
实施例1
本实施例是一种高硬度精密雕刻刀模,其重量百分比成分为:C:0.27%,Si:1.3%,Mn:1.3%,P:0.013%,S:0.005%,Nb:0.025%,Ti:0.073%,Ni:0.2%,Mo:1.1%,Cu:0.3%,Al:0.11%,余量为Fe和杂质。
本实施例的高硬度精密雕刻刀模的热处理工艺,热处理工艺包括以下步骤:
㈠将雕刻刀模加热到850℃,保温11分钟,然后在10秒内水冷至650℃,然后空冷10分钟,再将刀模加热到750℃,然后通过压缩空气快速冷却到350℃,最后空冷至室温;
㈡将雕刻刀模加热到650℃,保温17分钟,然后在22秒内通过压缩空气冷至553℃,然后采用喷雾状水将雕刻刀模冷至420℃,再将刀模加热到710℃,然后水冷至410℃,最后空冷至室温。
经检测,本实施例硬度可达HRC55,测韧性可达77J/cm
2;雕刻刀模HIC性能,实验按照NACE TM0248-A实验溶液标准进行,(CTR)≤5%,(CSR)≤2%,(CLR)≤15%;SSC性能按ASTM G39标准进行四点弯曲试验,在NACE TM0177的A溶液中进行4点弯曲试验,试验时间720小时,试样加载应力为实际屈服强度的80%,试验后在10倍放大倍率下观察,试件样品厚度方向没有裂纹。
实施例2
本实施例是一种高硬度精密雕刻刀模,其重量百分比成分为C:0.28%,Si:1.4%,Mn:1.4%,P:0.014%,S:0.006%,Nb:0.026%,Ti:0.074%,Ni:0.3%,Mo:1.2%,Cu:0.4%,Al:0.12%,余量为Fe和杂质。
本实施例的高硬度精密雕刻刀模的热处理工艺,其热处理工艺包括以下步骤:
㈠将雕刻刀模加热到860℃,保温12分钟,然后在12秒内水冷至660℃,然后空冷12分钟,再将刀模加热到760℃,然后通过压缩空气快速冷却到360℃,最后空冷至室温;
㈡将雕刻刀模加热到660℃,保温18分钟,然后在23秒内通过压缩空气冷至555℃,然后采用喷雾状水将雕刻刀模冷至430℃,再将刀模加热到720℃,然后水冷至420℃,最后空冷至室温。
经检测,本实施例硬度可达HRC56,测韧性可达78J/cm
2;雕刻刀模HIC性能,实验按照NACE TM0248-A实验溶液标准进行,(CTR)≤5%,(CSR)≤2%,(CLR)≤15%;SSC性能按ASTM G39标准进行四点弯曲试验,在NACE TM0177的A溶液中进行4点弯曲试验,试验时间720小时,试样加载应力为实际屈服强度的80%,试验后在10倍放大倍率下观察,试件样品厚度方向没有裂纹。
实施例3
本实施例是一种高硬度精密雕刻刀模,其重量百分比成分为:C:0.29%,Si:1.5%,Mn:1.5%,P:0.015%,S:0.007%,Nb:0.027%,Ti:0.075%,Ni:0.4%,Mo:1.3%,Cu:0.5%,Al:0.13%,余量为Fe和杂质。
本实施例的高硬度精密雕刻刀模的热处理工艺,其热处理工艺包括以下步骤:
㈠将雕刻刀模加热到870℃,保温13分钟,然后在13秒内水冷至670℃,然后空冷13分钟,再将刀模加热到770℃,然后通过压缩空气快速冷却到370℃,最后空冷至室温;
㈡将雕刻刀模加热到670℃,保温19分钟,然后在25秒内通过压缩空气冷至558℃,然后采用喷雾状水将雕刻刀模冷至450℃,再将刀模加热到730℃,然后水冷至430℃,最后空冷至室温。
经检测,本实施例硬度可达HRC57,测韧性可达79J/cm
2;雕刻刀模HIC性能,实验按照NACE TM0248-A实验溶液标准进行,(CTR)≤5%,(CSR)≤2%,(CLR)≤15%;SSC性能 按ASTM G39标准进行四点弯曲试验,在NACE TM0177的A溶液中进行4点弯曲试验,试验时间720小时,试样加载应力为实际屈服强度的80%,试验后在10倍放大倍率下观察,试件样品厚度方向没有裂纹。
除上述实施例外,本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案,均落在本发明要求的保护范围。
Claims (8)
- 一种高硬度精密雕刻刀模,其特征在于:其重量百分比成分为:C:0.27~0.29%,Si:1.3~1.5%,Mn:1.3~1.5%,P:0.013~0.015%,S:0.005~0.007%,Nb:0.025~0.027%,Ti:0.073~0.075%,Ni:0.2~0.4%,Mo:1.1~1.3%,Cu:0.3~0.5%,Al:0.11~0.13%,余量为Fe和杂质。
- 如权利要求1所述的高硬度精密雕刻刀模,其特征在于:其重量百分比成分为:C:0.27%,Si:1.3%,Mn:1.3%,P:0.013%,S:0.005%,Nb:0.025%,Ti:0.073%,Ni:0.2%,Mo:1.1%,Cu:0.3%,Al:0.11%,余量为Fe和杂质。
- 如权利要求1所述的高硬度精密雕刻刀模,其特征在于:其重量百分比成分为C:0.28%,Si:1.4%,Mn:1.4%,P:0.014%,S:0.006%,Nb:0.026%,Ti:0.074%,Ni:0.3%,Mo:1.2%,Cu:0.4%,Al:0.12%,余量为Fe和杂质。
- 如权利要求1所述的高硬度精密雕刻刀模,其特征在于:其重量百分比成分为:C:0.29%,Si:1.5%,Mn:1.5%,P:0.015%,S:0.007%,Nb:0.027%,Ti:0.075%,Ni:0.4%,Mo:1.3%,Cu:0.5%,Al:0.13%,余量为Fe和杂质。
- 如权利要求1所述高硬度精密雕刻刀模的热处理工艺,所述热处理工艺在雕刻工艺后进行,其特征在于:所述热处理工艺包括以下步骤:㈠将雕刻刀模加热到850-870℃,保温11-13分钟,然后在10-13秒内水冷至650-670℃,然后空冷10-13分钟,再将刀模加热到750-770℃,然后通过压缩空气快速冷却到350-370℃,最后空冷至室温;㈡将雕刻刀模加热到650-670℃,保温17-19分钟,然后在22-25秒内通过压缩空气冷至553-558℃,然后采用喷雾状水将雕刻刀模冷至420-450℃,再将刀模加热到710-730℃,然后水冷至410-430℃,最后空冷至室温。
- 如权利要求5所述高硬度精密雕刻刀模的热处理工艺,其特征在于:所述热处理工艺包括以下步骤:㈠将雕刻刀模加热到850℃,保温11分钟,然后在10秒内水冷至650℃,然后空冷10分钟,再将刀模加热到750℃,然后通过压缩空气快速冷却到350℃,最后空冷至室温;㈡将雕刻刀模加热到650℃,保温17分钟,然后在22秒内通过压缩空气冷至553℃,然后采用喷雾状水将雕刻刀模冷至420℃,再将刀模加热到710℃,然后水冷至410℃,最后空冷至室温。
- 如权利要求5所述高硬度精密雕刻刀模的热处理工艺,其特征在于:所述热处理工艺包括以下步骤:㈠将雕刻刀模加热到860℃,保温12分钟,然后在12秒内水冷至660℃,然后空冷12分钟,再将刀模加热到760℃,然后通过压缩空气快速冷却到360℃,最后空冷至室温;㈡将雕刻刀模加热到660℃,保温18分钟,然后在23秒内通过压缩空气冷至555℃,然后采用喷雾状水将雕刻刀模冷至430℃,再将刀模加热到720℃,然后水冷至420℃,最后空冷至室温。
- 如权利要求5所述高硬度精密雕刻刀模的热处理工艺,其特征在于:所述热处理工艺包括以下步骤:㈠将雕刻刀模加热到870℃,保温13分钟,然后在13秒内水冷至670℃,然后空冷13分钟,再将刀模加热到770℃,然后通过压缩空气快速冷却到370℃,最后空冷至室温;㈡将雕刻刀模加热到670℃,保温19分钟,然后在25秒内通过压缩空气冷至558℃,然后采用喷雾状水将雕刻刀模冷至450℃,再将刀模加热到730℃,然后水冷至430℃,最后空冷至室温。
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CN105695703A (zh) * | 2014-11-28 | 2016-06-22 | 重庆基石机械有限公司 | 一种模具钢热处理工艺 |
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CN107058868A (zh) * | 2017-03-29 | 2017-08-18 | 苏州浩焱精密模具有限公司 | 一种高硬度精密雕刻刀模 |
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WO2012098938A1 (ja) * | 2011-01-18 | 2012-07-26 | 株式会社神戸製鋼所 | 耐遅れ破壊性に優れたボロン添加高強度ボルト用鋼および高強度ボルト |
CN103518000A (zh) * | 2011-05-12 | 2014-01-15 | 日本发条株式会社 | 车辆悬架用弹簧部件用钢、车辆悬架用弹簧部件及其制造方法 |
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CN105695703A (zh) * | 2014-11-28 | 2016-06-22 | 重庆基石机械有限公司 | 一种模具钢热处理工艺 |
WO2016135793A1 (ja) * | 2015-02-27 | 2016-09-01 | Jfeスチール株式会社 | 高強度冷延鋼板およびその製造方法 |
CN107058868A (zh) * | 2017-03-29 | 2017-08-18 | 苏州浩焱精密模具有限公司 | 一种高硬度精密雕刻刀模 |
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