公开(公告)号：KR1020030088688A

公开(公告)日：2003-11-20

申请号：KR1020020026516

申请日：2002-05-14

Applicant: 현대자동차주식회사

Inventor： 오승찬

IPC: B22D37/00

CPC classification number: B22D37/00 ,  B22D27/04 ,  F02F1/24

Abstract: PURPOSE: A molten metal injection apparatus for preventing mixing of oxide is provided to prevent oxide from introducing in molten metal injection cup and minimize entrapment of air into molten metal according to flow of molten metal by adhering oxide removing ceramic filter to the molten metal injection cup and installing filter exchange unit. CONSTITUTION: In a molten metal injection apparatus vertically operated and equipped with injection cup(20) for receiving molten metal, the molten metal injection apparatus for preventing mixing of oxide is characterized in that the injection cup(20) comprises a molten metal inflow hole formed on the front side of the injection cup(20), and a ceramic filter(30) through which molten metal passes so that the molten metal is filtered, wherein the entrance of an upper part of the injection cup(20) is positioned at a higher elevation than the elevation level of the molten metal, wherein the injection cup(20) comprises a filter exchange unit comprising a control part(40) for outputting signals of the injection cup(20) as control signals when the injection cup(20) turns back to the initial position after injecting the molten metal into mold; a hydraulic pressure generation part(50) for generating hydraulic pressure by the control signals of the control part(40); and a robot arm(61) of filter exchange part(60) for exchanging the ceramic filter(30) by hydraulic pressure generated from the hydraulic pressure generation part(50).

Abstract translation: 目的：提供一种用于防止氧化物混合的熔融金属注入装置，以防止氧化物在熔融金属注射杯中引入，并且通过将氧化物除去陶瓷过滤器附着到熔融金属注射杯中，使熔融金属的流动最小化， 并安装过滤器更换单元。 构成：在垂直操作并装备有用于接收熔融金属的注射杯（20）的熔融金属注射装置中，用于防止氧化物混合的熔融金属注射装置的特征在于注射杯（20）包括形成的熔融金属流入孔 在所述注射杯（20）的前侧，以及陶瓷过滤器（30），熔融金属穿过所述陶瓷过滤器（30）使得所述熔融金属被过滤，其中所述注射杯（20）的上部的入口位于 高于所述熔融金属的高度，其中所述注射杯（20）包括过滤器更换单元，所述过滤器更换单元包括用于当所述注射杯（20）作为控制信号输出所述注射杯（20）的信号的控制部分（40） 将熔融金属注入模具后，返回初始位置; 用于通过控制部分（40）的控制信号产生液压的液压产生部分（50）; 以及用于通过从液压产生部件（50）产生的液压来更换陶瓷过滤器（30）的过滤器更换部（60）的机器人臂（61）。

公开(公告)号：KR1020030087109A

公开(公告)日：2003-11-13

申请号：KR1020020024677

申请日：2002-05-06

Applicant: 현대자동차주식회사

Inventor： 오승찬

IPC: B22D27/04

CPC classification number: B22D27/04 ,  B22D2/00 ,  B22D27/11

Abstract: PURPOSE: An apparatus for heating a riser is provided to minimize product defects by properly heating the riser of the product, increase feeding effect and manufacture high quality molding by controlling heating amount and to reduce riser treatment cost after casting by reducing the amount of the riser, and a gravity casting method using the same is provided. CONSTITUTION: The apparatus(10) for heating a riser comprises a power supply unit(12) whose driving is selectively turned on or off according to control signals; a heat source(14) installed at the upper side of riser mold(3) to heat the upper surface of the riser(5) using a power supply supplied from the power supply unit(12) when driving of the power supply unit(12) is turned on; temperature measuring means(16) for outputting temperature signals according to detected current temperature values by detecting current temperature values of the upper surface of the riser(5); and a control means for outputting control signals for controlling on/off of the power supply unit(12) according to temperature signals inputted from the temperature measuring means(16), wherein the temperature measuring means(16) are infrared temperature measuring instruments.

Abstract translation: 目的：提供一种用于加热提升管的设备，以通过适当加热产品的提升管，增加进料效果并通过控制加热量来制造高质量的成型以及通过减少提升管的量来减少浇铸后的提升管处理成本来最小化产品缺陷 ，并且提供了使用其的重力铸造方法。 构成：用于加热提升管的装置（10）包括：电源单元（12），其驱动根据控制信号选择性地导通或关断; 安装在提升管模具（3）的上侧的热源（14），以在驱动电源单元（12）时使用从电源单元（12）供应的电源来加热提升管（5）的上表面 ）打开; 温度测量装置（16），用于通过检测提升管（5）的上表面的当前温度值，根据检测到的当前温度值输出温度信号; 以及控制装置，用于根据从温度测量装置（16）输入的温度信号输出用于控制电源单元（12）的接通/断开的控制信号，其中温度测量装置（16）是红外温度测量仪器。

公开(公告)号：KR1020030073988A

公开(公告)日：2003-09-19

申请号：KR1020020013811

申请日：2002-03-14

Applicant: 현대자동차주식회사

Inventor： 오승찬

IPC: C21D9/00

Abstract: PURPOSE: A heat treatment method of heat resistance and fatigue resistance improved material for cylinder heads is provided to obtain the optimum physical properties of a heat resistance and fatigue resistance improved composition for diesel and gasoline aluminum cylinder heads. CONSTITUTION: In a method for heat treating a composition for diesel and gasoline aluminum cylinder heads comprising 6.5 to 7.5 wt.% of Si, 0.35 to 0.55 wt.% of Mg, 0.03 to 0.1 wt.% of Mn, 0.02 to 0.2 wt.% of Ti, 0.008 to 0.02 wt.% of Sr, 0.2 wt.% or less of Fe, 0.2 wt.% or less of Cu, 0.1 wt.% or less of Zn, 0.05 wt.% or less of Ni, 0.05 wt.% or less of Sn, 0.5 wt.% or less of Cr and 0.05 wt.% or less of Pb, the heat treatment method of heat resistance and fatigue resistance improved material for cylinder heads comprises the steps of proceeding solution treatment at a temperature of 535±3 deg.C for 6 hours±30 minutes; proceeding quenching at temperature of 80±10 deg.C; and proceeding aging at a temperature of 180±3 deg.C for 6 hours±30 minutes.

Abstract translation: 目的：提供一种用于气缸盖的耐热性和耐疲劳性改进材料的热处理方法，以获得柴油和汽油铝合金缸盖的耐热性和耐疲劳性改善组合物的最佳物理性能。 构成：用于热处理用于柴油和汽油铝合金气缸盖的组合物的方法，其包含6.5至7.5重量％的Si，0.35至0.55重量％的Mg，0.03至0.1重量％的Mn，0.02至0.2重量％ 的Ti，0.008〜0.02重量％的Sr，0.2重量％以下的Fe，0.2重量％以下的Cu，0.1重量％以下的Zn，0.05重量％以下的Ni，0.05 Sn的重量％以下，Cr：0.5重量％以下，Pb：0.05重量％以下，对于气缸盖的耐热性和耐疲劳性改善材料的热处理方法，包括以下步骤： 温度为535±3℃，持续6小时±30分钟; 在80±10℃的温度下进行淬火; 并在180±3℃的温度下进行6小时±30分钟的老化。