公开(公告)号：KR1020040029591A

公开(公告)日：2004-04-08

申请号：KR1020020059898

申请日：2002-10-01

Applicant: 한국과학기술연구원

Inventor： 김재수 ,  도정만 ,  변지영 ,  윤진국 ,  심재동 ,  이종권

IPC: B21D51/52

CPC classification number: B21D51/52 ,  B21D37/16 ,  B21D43/12 ,  B21D43/285

Abstract: PURPOSE: A method and an apparatus for manufacturing an optical communication electronic device package case and parts of the case are provided to mass produce various optical communication electronic device package cases and parts thereof at low cost, reduce loss for workpiece of the cases and improve mechanical properties thereof. CONSTITUTION: The manufacturing apparatus of a metal case for optical communication electronic device package and parts of the case comprises a hopper(320) for supplying a metallic workpiece(310) cut to a size suitable for forming; first heating furnace(340) for heating the metallic workpiece to a hot forming temperature; a mold(360) for forming the metallic workpiece heated to the hot forming temperature; second heating furnace(390) for performing heat treatment for stress relaxation on the hot formed metallic workpiece; a collection housing(410) for collecting the heat treated metallic workpiece; first conveyor belt(330) for transporting the metallic workpiece supplied from the hopper by passing through the first heating furnace; second conveyor belt(380) for transporting the metallic workpiece separated from the mold by passing through the second heating furnace; first pusher(350) for moving the metallic workpiece from the first conveyor belt to the mold; second pusher(370) for moving the metallic workpiece from the mold to the second conveyor belt; and third pusher(400) for moving the metallic workpiece from the second conveyor belt to the collection housing.

Abstract translation: 目的：提供一种用于制造光通信电子器件封装壳体和壳体的部件的方法和装置，其以低成本大量生产各种光通信电子器件封装壳体及其部件，减少了工件的损耗，并改善了机械 的性质。 构成：用于光通信电子器件封装的金属外壳和壳体的部件的制造装置包括用于供应金属工件（310）的料斗（320），切割成适于成形的尺寸; 第一加热炉（340），用于将金属工件加热至热成型温度; 用于形成加热到热成型温度的金属工件的模具（360）; 用于对热成型金属工件进行应力松弛的热处理的第二加热炉（390） 用于收集经热处理的金属工件的收集壳体（410） 第一输送带（330），用于通过第一加热炉输送从料斗供给的金属工件; 第二传送带（380），用于通过第二加热炉传送从模具分离的金属工件; 第一推动器（350），用于将金属工件从第一传送带移动到模具; 用于将金属工件从模具移动到第二传送带的第二推动器（370） 以及用于将金属工件从第二传送带移动到收集壳体的第三推动器（400）。

公开(公告)号：KR1020030090885A

公开(公告)日：2003-12-01

申请号：KR1020020028489

申请日：2002-05-22

Applicant: 한국과학기술연구원 ,  한화나노텍 주식회사

Inventor： 김재수 ,  윤진국 ,  신종철 ,  이종권 ,  노대호 ,  김두용 ,  유재은

IPC: C22C1/04

Abstract: PURPOSE: A method for fabricating porous aluminum sound-absorbing material is provided to improve noise reduction characteristics and reduce production cost by reducing quantity of aluminum per unit volume required in sintered porous aluminum sheet, and a porous aluminum sound-absorbing material fabricated by the method is provided. CONSTITUTION: The method comprises the steps of mixing pure aluminum powder as a base material with aluminum alloy powder as a binder, stacking the mixed powder as evenly dispersing the mixed powder into a mold on which at least one or more projecting parts are formed, and sintering the mixed powder under vacuum condition, inert gas atmosphere or hydrogen gas atmosphere in the state that a load is applied to the mixed powder in the mold so that an indentation part having the same shape as the projecting parts is formed on at least one side surface of sintered green compact, wherein the aluminum alloy is one or more alloys selected from Al-Zn, Al-Si, Al-Cu, Al-Ni and Al-Mg, wherein content of a metal bonded to aluminum in the aluminum alloy is in the range of 10 to 40 wt.%, wherein the aluminum powder and aluminum alloy powder are formed in a spherical shape, needle shape or filament, wherein cross sectional shape of the projecting parts is circle, polygon or a mixture thereof, wherein the load applied to the mixed powder is in the range of 20 to 80 g/cm¬2, and wherein the sintering is performed in the sintering temperature range of 550 to 660 deg.C for the sintering time range of 10 min to 2 hrs.

Abstract translation: 目的：提供一种制造多孔铝吸音材料的方法，以通过减少烧结多孔铝板所需的每单位体积的铝量和通过该方法制造的多孔铝吸音材料来改善降噪特性并降低生产成本 被提供。 方法：该方法包括以纯铝粉为基料，以铝合金粉末为粘合剂，将混合粉末均匀分散在形成有至少一个以上突出部分的模具中， 在真空条件下，在惰性气体气氛或氢气气氛中烧结混合粉末，在负载施加到模具中的混合粉末的状态下，使得在至少一个侧面上形成具有与突出部分相同形状的压痕部分 其中所述铝合金是选自Al-Zn，Al-Si，Al-Cu，Al-Ni和Al-Mg中的一种或多种合金，其中在铝合金中与铝结合的金属的含量为 在10〜40重量％的范围内，其中铝粉末和铝合金粉末形成为球形，针状或长丝，其中突出部分的横截面形状为圆形，多边形或其混合物，其中 施加到混合粉末的负载在20至80g / cm 2的范围内，并且其烧结在550至660℃的烧结温度范围内进行，烧结时间范围为10分钟至2小时 。