CN105543631A - 一种起重机用定滑轮制备方法 - Google Patents

一种起重机用定滑轮制备方法 Download PDF

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CN105543631A
CN105543631A CN201510994858.9A CN201510994858A CN105543631A CN 105543631 A CN105543631 A CN 105543631A CN 201510994858 A CN201510994858 A CN 201510994858A CN 105543631 A CN105543631 A CN 105543631A
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陈恒义
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Hefei Zhonglan New Material Technology Co Ltd
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Abstract

本发明公开了一种起重机用定滑轮制备方法，具有如下步骤：制备和铸造具有如下重量百分比的钢锭：1.28%≤C≤1.32%，1.25%≤Si≤1.45%，0.25%≤Mo≤0.35%，0.008%≤P≤0.012%，痕量≤S≤0.015%，0.65%≤Cr≤0.95%，0.12%≤Co≤0.22%，0.45≤Ti≤0.65%，0.08%≤Cu≤0.12%，余量为Fe；制坯方便、效率高，铸造成型容易，定滑轮强度好，使用寿命长，安全可靠，适用于各种型号定滑轮大批量生产。

Description

一种起重机用定滑轮制备方法
技术领域
本发明涉及起重机零部件领域，具体属于一种起重机用定滑轮制备方法。
背景技术
传统的起重机主要由起升机构、桥架、运行机构、电气控制系统等主要部件组成。钢丝绳作为起重机的核心部件，固定装置结构尤为重要，其存在的缺陷如下：1、整体尺寸偏大，2、有效工作空间偏小，3、能源消耗大，4、运行不够平稳。定滑轮与钢丝绳之间存在着相互滑动作用，对耐磨性要求很高。
发明内容
本发明的目的是提供一种起重机用定滑轮制备方法，制坯方便、效率高，铸造成型容易，定滑轮强度好，使用寿命长，安全可靠，适用于各种型号定滑轮大批量生产。
本发明的技术方案如下：
一种起重机用定滑轮制备方法，具有如下步骤：
a）制备和铸造具有如下重量百分比的钢锭：1.28%≤C≤1.32%，1.25%≤Si≤1.45%，0.25%≤Mo≤0.35%，0.008%≤P≤0.012%，痕量≤S≤0.015%，0.65%≤Cr≤0.95%，0.12%≤Co≤0.22%，0.45≤Ti≤0.65%，0.08%≤Cu≤0.12%，余量为Fe；
b）采用合金模具进行铸门，浇注过程中采用激冷工艺，钢水浇注温度与合金模具之间的温度差在950-1000℃，钢水高温浇注后就会产生激冷反应，并制得定滑轮铸件；
c）定滑轮铸件表面涂抹一层厚度为0.8-1.3mm防锈涂层，防锈涂层由下列重量份计原料组份组成：碳化硅微粉41-43份，棕刚玉粉15-20份，水玻璃12-15份，UV吸收剂4-6份，亚磷酸酯1.7-2.5份，氧化铜1.3-1.5份，硬脂酸锌1.2-1.5份，相容剂4-8份，钛白粉0.8-1.2份，氧化铁粉0.5-0.8份，适量酒精；
d）磷化处理，采用磷化剂处理12-16min，再经滴空2-3min后，采用清水清洗1-2min，再滴空1-2min后，以将工件置于60-80℃的热水中处理0.5-1min。
所述防锈涂层由下列重量份计原料组份组成：碳化硅微粉42份，棕刚玉粉18份，水玻璃14份，UV吸收剂5份，亚磷酸酯2.1份，氧化铜1.4份，硬脂酸锌1.4份，相容剂6份，钛白粉1份，氧化铁粉0.65份，适量酒精。
本发明制坯方便、效率高，铸造成型容易，定滑轮强度好，使用寿命长，安全可靠，适用于各种型号定滑轮大批量生产。
本发明冷轧辊的力学性能：抗拉强度Rm≥140Mpa，屈服强度Re≥210Mpa，伸长率A≥12%，力学性能Z≥31%，冲击吸收功Akv≥27J。
具体实施方式
一种起重机用定滑轮制备方法，具有如下步骤：
a）制备和铸造具有如下重量百分比的钢锭：1.28%≤C≤1.32%，1.25%≤Si≤1.45%，0.25%≤Mo≤0.35%，0.008%≤P≤0.012%，痕量≤S≤0.015%，0.65%≤Cr≤0.95%，0.12%≤Co≤0.22%，0.45≤Ti≤0.65%，0.08%≤Cu≤0.12%，余量为Fe；
b）采用合金模具进行铸门，浇注过程中采用激冷工艺，钢水浇注温度与合金模具之间的温度差在950-1000℃，钢水高温浇注后就会产生激冷反应，并制得定滑轮铸件；
c）定滑轮铸件表面涂抹一层厚度为0.8-1.3mm防锈涂层，所述防锈涂层由下列重量份计原料组份组成：碳化硅微粉42份，棕刚玉粉18份，水玻璃14份，UV吸收剂5份，亚磷酸酯2.1份，氧化铜1.4份，硬脂酸锌1.4份，相容剂6份，钛白粉1份，氧化铁粉0.65份，适量酒精；
d）磷化处理，采用磷化剂处理12-16min，再经滴空2-3min后，采用清水清洗1-2min，再滴空1-2min后，以将工件置于60-80℃的热水中处理0.5-1min。

Claims (2)

1.一种起重机用定滑轮制备方法，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钢锭：1.28%≤C≤1.32%，1.25%≤Si≤1.45%，0.25%≤Mo≤0.35%，0.008%≤P≤0.012%，痕量≤S≤0.015%，0.65%≤Cr≤0.95%，0.12%≤Co≤0.22%，0.45≤Ti≤0.65%，0.08%≤Cu≤0.12%，余量为Fe；
b）采用合金模具进行铸门，浇注过程中采用激冷工艺，钢水浇注温度与合金模具之间的温度差在950-1000℃，钢水高温浇注后就会产生激冷反应，并制得定滑轮铸件；
c）定滑轮铸件表面涂抹一层厚度为0.8-1.3mm防锈涂层，防锈涂层由下列重量份计原料组份组成：碳化硅微粉41-43份，棕刚玉粉15-20份，水玻璃12-15份，UV吸收剂4-6份，亚磷酸酯1.7-2.5份，氧化铜1.3-1.5份，硬脂酸锌1.2-1.5份，相容剂4-8份，钛白粉0.8-1.2份，氧化铁粉0.5-0.8份，适量酒精；
d）磷化处理，采用磷化剂处理12-16min，再经滴空2-3min后，采用清水清洗1-2min，再滴空1-2min后，以将工件置于60-80℃的热水中处理0.5-1min。
2.根据权利要求1所述起重机用定滑轮制备方法，其特征在于，所述防锈涂层由下列重量份计原料组份组成：碳化硅微粉42份，棕刚玉粉18份，水玻璃14份，UV吸收剂5份，亚磷酸酯2.1份，氧化铜1.4份，硬脂酸锌1.4份，相容剂6份，钛白粉1份，氧化铁粉0.65份，适量酒精。
CN201510994858.9A 2015-12-28 2015-12-28 一种起重机用定滑轮制备方法 Pending CN105543631A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106756477A (zh) * 2016-12-05 2017-05-31 安徽永川电气设备有限公司 一种防氧化高压开关柜用隔板制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102965576A (zh) * 2012-10-25 2013-03-13 安徽蓝博旺机械集团精密液压件有限责任公司 一种供油泵泵轴的制备方法
US20150299832A1 (en) * 2014-04-17 2015-10-22 Evraz Inc. Na Canada High carbon steel rail with enhanced ductility
CN105112768A (zh) * 2015-08-31 2015-12-02 马鞍山市力生耐磨材料有限责任公司 钒钛合金耐磨铸球

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102965576A (zh) * 2012-10-25 2013-03-13 安徽蓝博旺机械集团精密液压件有限责任公司 一种供油泵泵轴的制备方法
US20150299832A1 (en) * 2014-04-17 2015-10-22 Evraz Inc. Na Canada High carbon steel rail with enhanced ductility
CN105112768A (zh) * 2015-08-31 2015-12-02 马鞍山市力生耐磨材料有限责任公司 钒钛合金耐磨铸球

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106756477A (zh) * 2016-12-05 2017-05-31 安徽永川电气设备有限公司 一种防氧化高压开关柜用隔板制备方法

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Application publication date: 20160504