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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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。
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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