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1. 发明公开

KR1020130010257A 플라즈마 이온질화를 이용한 대형 플라스틱 사출금형의 복합표면처리방법 无效
标题翻译：使用PLAZMA离子渗透的塑料注射模具的表面处理方法
公开(公告)号：KR1020130010257A
公开(公告)日：2013-01-28
申请号：KR1020110070934
申请日：2011-07-18
申请人： (주)피앤테크 , 이형일 , 오근표
发明人： 이형일 , 오근표 , 김태경
IPC分类号： C21D1/09 , C23C8/24 , B29C33/38
CPC分类号： C21D1/09 , B29C33/38 , C21D1/76 , C21D1/773 , C21D9/0068 , C21D2211/008 , C23C8/24
摘要： PURPOSE: A surface treatment method for plastic injection mold using plasma ion nitriding is provided to treat surfaces of large plastic injection mold to have high hardness and high wear and fatigue resistance by a laser heat treatment and ion nitriding. CONSTITUTION: A surface treatment method for plastic injection mold using plasma comprise a laser heat treatment step of treating surfaces of a plastic injection mold with laser heating source; a glow discharge step of activating the surface of plastic injection mold through a glow discharge treatment at nitrogen and hydrogen atmosphere by providing nitrogen and hydrogen into a vacuumized nitrate brazier; and a plasma ion nitriding step of putting the surface of plastic injection mold into the nitrate brazier for plasma ion nitriding. At the plasma heat treatment step, the ion nitriding is preformed in temperature of 470 deg. C, pressure of 200Pa, voltage of 650V, pulse ratio of 0.3 for 20 hours. At the laser heat treatment step, the ion nitriding is preformed in temperature of 950-1100 deg. C, and the heat treatment speed range of 2-6mm/sec. At the glow discharge step, the glow discharge is performed under the condition such that the ratio of nitrogen to hydrogen is 8 to 2, the pressure of the inside of the nitrate brazier is 70Pa, and the temperature is 350-500 deg. C. [Reference numerals] (AA) Step of confirming configuration data; (BB) Step of setting a laser heat treatment condition; (CC) Step of laser heat treatment; (DD) Step of post-processing in laser heat treatment; (EE) Step of cleaning a surface; (FF) Step of glow discharge; (GG) Step of plasma ion-nitriding; (HH) Step of modifying surface profile
摘要翻译：目的：提供使用等离子体离子渗氮的注塑模具的表面处理方法，通过激光热处理和离子渗氮处理大型注塑模具的表面，具有高硬度，高耐磨性和耐疲劳性。构成：使用等离子体的注塑模具的表面处理方法包括用激光加热源处理注射模具的表面的激光热处理步骤; 辉光放电步骤，通过在氮气和氢气气氛中通过辉光放电处理，通过向真空硝化火焰炉中提供氮气和氢气来激活塑料注射模具的表面; 和等离子体离子氮化步骤，将注射模具的表面放入硝酸盐火焰中进行等离子体离子渗氮。在等离子体热处理步骤中，离子氮化在470度的温度下进行。 C，压力200Pa，电压650V，脉冲比0.3，持续20小时。在激光热处理步骤中，离子氮化在950-1100℃的温度下进行。 C，热处理速度范围为2-6mm / sec。在辉光放电步骤中，在氮与氢的比为8〜2，硝酸盐烧结炉的内部压力为70Pa，温度为350〜500度的条件下进行辉光放电。（AA）确认配置数据的步骤; （BB）设定激光热处理条件的步骤; （CC）激光热处理步骤; （DD）激光热处理后处理步骤; （EE）清洁表面的步骤; （FF）辉光放电步骤（GG）等离子体离子氮化步骤; （HH）改变表面轮廓的步骤

2. 发明公开

KR1020130010254A 대형 플라스틱 사출금형의 복합표면처리방법 无效
标题翻译：塑料注射模具的表面处理方法
公开(公告)号：KR1020130010254A
公开(公告)日：2013-01-28
申请号：KR1020110070929
申请日：2011-07-18
申请人： (주)피앤테크 , 이형일 , 오근표
发明人： 이형일 , 오근표 , 김태경
IPC分类号： C21D1/09 , C23C8/24 , B29C33/38
CPC分类号： C21D1/09 , B29C33/38 , C21D1/76 , C21D1/773 , C21D9/0068 , C21D2211/008 , C23C8/24
摘要： PURPOSE: A surface treatment method for injection molding of large plastics is provided to process plastic components with combined heat-treating of using laser and ionitriding, thereby solving the existing problems, for example, a environmental problem, crack incidence, transformation, low wear resistance, and increasing efficiency of the process. CONSTITUTION: A surface treatment method for injection molding of large plastics comprises a step of laser heat-treating which treats surfaces of large plastic injection mold, and a step of plasma ionitriding which the surfaces of large plastic injection mold is put into a nitrate brazier for plasma ionitriding. The laser heat-treating is performed in a temperature range between 950 deg. C and 1100 deg. C, and in heat treatment speed range between 2 and 6mm/sec. The Ionitriding of plasma inonitriding step is performed for 20 hours in a temperature 470 deg. C, pressure 200Pa, voltage 650V, and pulse ratio 0.3. A pre-step before the laser heat-treating step is preformed comprise a data verification step of checking data about the figure of a plastic injection mold, and a laser heat-treating condition setting step of setting a heat-treating route, treatment temperature, speed, width and depth for the laser heat treatment. [Reference numerals] (AA) Step of confirming configuration data; (BB) Step of setting a laser heat treatment condition; (CC) Step of laser heat treatment; (DD) Step of post-processing in laser heat treatment; (EE) Step of cleaning a surface; (FF) Step of glow discharge; (GG) Step of plasma ion-nitriding; (HH) Step of modifying surface profile
摘要翻译：目的：提供大型塑料注射成型的表面处理方法，通过使用激光和离子渗透的组合热处理来处理塑料部件，从而解决了现有的问题，例如环境问题，裂纹发生率，转变，低耐磨性，并提高过程的效率。构成：大型塑料注射成型的表面处理方法包括对大型注射模具的表面进行激光热处理的步骤，以及将大型注塑模具的表面放入硝酸盐火焰炉中的等离子体离子渗透步骤等离子体离子渗透。激光热处理在950℃的温度范围内进行。 C和1100度 C，热处理速度范围为2〜6mm / sec。等离子体共掺杂步骤的离子渗透在470℃的温度下进行20小时。 C，压力200Pa，电压650V，脉冲比0.3。执行激光热处理步骤之前的步骤包括检查关于塑料注射模具的图形的数据的数据验证步骤，以及设置热处理路径，处理温度的激光热处理条件设置步骤，激光热处理的速度，宽度和深度。（附图标记）（AA）确认配置数据的步骤; （BB）设定激光热处理条件的步骤; （CC）激光热处理步骤; （DD）激光热处理后处理步骤; （EE）清洁表面的步骤; （FF）辉光放电步骤（GG）等离子体离子氮化步骤; （HH）改变表面轮廓的步骤

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