CN101760604A - 一种制粒环模热处理方法 - Google Patents
一种制粒环模热处理方法 Download PDFInfo
- Publication number
- CN101760604A CN101760604A CN200910022857A CN200910022857A CN101760604A CN 101760604 A CN101760604 A CN 101760604A CN 200910022857 A CN200910022857 A CN 200910022857A CN 200910022857 A CN200910022857 A CN 200910022857A CN 101760604 A CN101760604 A CN 101760604A
- Authority
- CN
- China
- Prior art keywords
- heat treatment
- ring mold
- insulation
- granulation
- granulation ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005469 granulation Methods 0.000 title claims abstract description 37
- 230000003179 granulation Effects 0.000 title claims abstract description 37
- 238000010438 heat treatment Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000010791 quenching Methods 0.000 claims abstract description 14
- 230000000171 quenching Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000005496 tempering Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 32
- 230000003750 conditioning Effects 0.000 claims description 12
- 238000007669 thermal treatment Methods 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 abstract description 4
- 229910000851 Alloy steel Inorganic materials 0.000 abstract description 3
- 229910001566 austenite Inorganic materials 0.000 abstract description 3
- 229910000734 martensite Inorganic materials 0.000 abstract description 3
- 239000003082 abrasive agent Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
本发明涉及一种制粒环模热处理方法。其特点在于：所述的制粒环模的材料为45#钢，其热处理方法包括有预备热处理和最终热处理，其中预备热处理和最终热处理均包括淬火和回火两步，其选用优质碳素结构钢为环模材料，非常普通，价格便宜；采用优化的亚温淬火热处理工艺提高其耐磨性；处理后的金相组织为回火马氏体和残留奥氏体的复合相，找到了硬度与韧度的最佳组合，使材料的耐磨性达到了最佳水平。具有高的综合力学性能和高的抗磨料磨损能力，能够替代昂贵的合金钢和不锈钢材料完成制粒工序。
Description
一种制粒环模热处理方法
技术领域：
[0001] 本发明涉及一种制粒环模热处理方法。背景技术：
[0002] 目前，制粒机上的环模结构比较成熟，但其磨损是环模难以解决的技术。现有制粒环模大多采用优质合金钢和高铬不锈钢，材料昂贵，制造成本高，大大提高了制粒产品的成本；普通的金属材料又难以抵抗制粒过程中磨料对环模的磨损，使用寿命短；许多生产厂家生产的环模都没有很好地解决这个实际问题。
发明内容：
[0003] 本发明的目的在于避免现有技术的不足之处而提供一种制粒环模热处理方法。从而有效解决了现有技术中存在的问题。
[0004] 本发明的目的可以通过采用以下技术方案来实现：所述的一种制粒环模热处理方法，其特点在于：所述的制粒环模的材料为45#钢，其热处理方法包括有预备热处理和最终热处理，其中预备热处理包括如下步骤：
[0005] (1)、淬火阶段：在加热炉中将制粒环模加热到84(TC 士l(TC，并保温25min〜30min，然后水冷至100士10。C，在100士10。C保温10min〜15min ;
[0006] (2)、回火阶段：将淬火后的制粒环模在加热炉中加热到550°C 士1(TC，并保温20min〜25min，然后水冷至25士10。C。[0007] 最终热处理均包括如下步骤：
[0008] (1)、淬火阶段：将预备热处理后的制粒环模在加热炉中加热到770°C〜840°C，并
保温5min〜6min，然后水冷至100士10。C，在100士10。C保温120min〜130min ;
[0009] (2)、回火阶段：将在IOO士I(TC保温120min〜130min的制粒环模在加热炉中加
热到200°C 士10。C，并保温保温120min〜130min，然后水冷至25士10。C。
[0010] 所述的一种制粒环模热处理方法，其有益效果包括，其选用优质碳素结构钢为环
模材料，非常普通，价格便宜；采用优化的亚温淬火热处理工艺提高其耐磨性；处理后的金
相组织为回火马氏体和残留奥氏体的复合相，找到了硬度与韧度的最佳组合，使材料的耐
磨性达到了最佳水平。具有高的综合力学性能和高的抗磨料磨损能力，能够替代昂贵的合
金钢和不锈钢材料完成制粒工序。
具体实施方式：
[0011] 实施例l，所述的一种制粒环模热处理方法，包括有一种制粒环模热处理方法，其特点在于：所述的制粒环模的材料为45#钢，其热处理方法包括有预备热处理和最终热处理，其中预备热处理包括如下步骤：
[0012] (1)、淬火阶段：在加热炉中将制粒环模加热到S4(TC，并保温30min，然后水冷至IO(TC，在IO(TC保温10min ;[0013] (2)、回火阶段：将淬火后的制粒环模在加热炉中加热到550°C ，并保温20min，然
后水冷至25°C。
[0014] 最终热处理均包括如下步骤：
[0015] (1)、淬火阶段：将预备热处理后的制粒环模在加热炉中加热到84(TC，并保温6min，然后水冷至IO(TC，在IO(TC保温120min ;
[0016] (2)、回火阶段：将在IO(TC保温120min的制粒环模在加热炉中加热到200°C ，并保温保温120min，然后水冷至25°C。
[0017] 实施例2，所述的一种制粒环模热处理方法，其特点在于：所述的制粒环模的材料为45钢，其热处理方法包括有预备热处理和最终热处理，其中预备热处理包括如下步骤：[0018] (1)、淬火阶段：在加热炉中将制粒环模加热到S4(TC，并保温25min，然后水冷至IO(TC，在IO(TC保温15min ;
[0019] (2)、回火阶段：将淬火后的制粒环模在加热炉中加热到55(TC，并保温25min，然后水冷至25°C。
[0020] 最终热处理均包括如下步骤：
[0021] (1)、淬火阶段：将预备热处理后的制粒环模在加热炉中加热到77(TC，并保温5min，然后水冷至IO(TC，在IO(TC保温130min ;
[0022] (2)、回火阶段：将在IO(TC保温130min的制粒环模在加热炉中加热到200°C ，并保温保温130min，然后水冷至25°C。
[0023] 所述的一种制粒环模热处理方法，经处理后材料的表面硬度为50.67HRC〜53. 75HRC，组织回火马氏体+少量残留奥氏体，满足了环模的技术要求。
Claims (1)
- 一种制粒环模热处理方法，其特征在于：所述的制粒环模的材料为45#钢，其热处理方法包括有预备热处理和最终热处理，其中预备热处理包括如下步骤：(1)淬火阶段：在加热炉中将制粒环模加热到840℃±10℃，并保温25min～30min，然后水冷至100±10℃，在100±10℃保温10min～15min；(2)回火阶段：将淬火后的制粒环模在加热炉中加热到550℃±10℃，并保温20min～25min，然后水冷至25±10℃。最终热处理均包括如下步骤：(1)淬火阶段：将预备热处理后的制粒环模在加热炉中加热到770℃～840℃，并保温5min～6min，然后水冷至100±10℃，在100±10℃保温120min～130min；(2)回火阶段：将在100±10℃保温120min～130min的制粒环模在加热炉中加热到200℃±10℃，并保温保温120min～130min，然后水冷至25±10℃。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007822A (zh) * | 2011-09-26 | 2013-04-03 | 溧阳市华生机械制造有限公司 | 一种制粒机环模感应加热方法 |
| CN103243203A (zh) * | 2013-05-02 | 2013-08-14 | 马鞍山市晨旭机械制造有限公司 | 4Cr13不锈钢制粒机环模的热处理工艺 |
| CN106119502A (zh) * | 2016-08-30 | 2016-11-16 | 芜湖三联锻造有限公司 | 一种模具淬火预备热处理工艺 |
| CN107723418A (zh) * | 2017-11-06 | 2018-02-23 | 贵州航天新力铸锻有限责任公司 | 一种45#材料棒材锻件综合力学性能的热处理方法 |
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2009
- 2009-06-08 CN CN200910022857A patent/CN101760604A/zh active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007822A (zh) * | 2011-09-26 | 2013-04-03 | 溧阳市华生机械制造有限公司 | 一种制粒机环模感应加热方法 |
| CN103243203A (zh) * | 2013-05-02 | 2013-08-14 | 马鞍山市晨旭机械制造有限公司 | 4Cr13不锈钢制粒机环模的热处理工艺 |
| CN106119502A (zh) * | 2016-08-30 | 2016-11-16 | 芜湖三联锻造有限公司 | 一种模具淬火预备热处理工艺 |
| CN107723418A (zh) * | 2017-11-06 | 2018-02-23 | 贵州航天新力铸锻有限责任公司 | 一种45#材料棒材锻件综合力学性能的热处理方法 |
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