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    • 2. 发明公开
    • 고압용기의 내구성 향상 방법
    • 改善高压容器耐久性以提高高残余应力的方法
    • KR1020040091794A
    • 2004-11-02
    • KR1020030025354
    • 2003-04-22
    • 최재찬김창호박준홍김철
    • 최재찬김철김창호박준홍김의수김지훈
    • F17C1/00
    • PURPOSE: A method for improving durability of a high-pressure receptacle is provided to improve structural strength and fatigue life of the high-pressure receptacle and to obtain high residual compressive stress. CONSTITUTION: A method for improving durability of a high-pressure receptacle(100) comprises steps of inserting the high-pressure receptacle into a cylinder(200); applying pressure to the extent of a numerical value set by an auto-frettage process; and removing the pressure. The auto-frettage pressure, higher than the pressure that the high-pressure receptacle bears up when gas is supplied to the high-pressure receptacle, is applied to the high-pressure receptacle. The cylinder has the same thickness as the thickness of the high-pressure receptacle. The inner peripheral surface of the cylinder is tapered(200a).
    • 目的:提高高压容器的耐久性的方法,以提高高压容器的结构强度和疲劳寿命,并获得高剩余压应力。 构成:提高高压容器(100)的耐用性的方法包括以下步骤:将高压容器插入到气缸(200)中; 将压力施加到通过自动摩擦过程设定的数值的程度; 并去除压力。 当高压容器被供应到高压容器时,自动压力高于高压容器承受的压力。 气缸的厚度与高压容器的厚度相同。 气缸的内周面呈锥形(200a)。
    • 3. 发明公开
    • 고정밀 헬리컬 기어의 대량생산을 위한 성형방법.
    • 大量生产高精度螺旋齿轮的成形方法
    • KR1020030009598A
    • 2003-02-05
    • KR1020010044114
    • 2001-07-23
    • 김철정성윤박준홍최재찬
    • 김철최재찬박준홍정성윤
    • B21H5/00
    • B21H5/022B21C23/14
    • PURPOSE: A forming method which is capable of mass producing high precision helical gears by separately fabricating spur gear dies and helical gear dies is provided. CONSTITUTION: In a forming method of helical gears, the forming method for mass producing high precision helical gears comprises first process of separately fabricating spur gear dies and helical gear dies; second process of forming prominence and depression on a metallic material in a flow direction through the spur gear dies in the extrusion molding process, and forming tooth ends, pitches and tooth roots again on the prominence and depression part of the metallic material; and third process of forming a certain spiral angle on a row of teeth of a spur gear completing the second process through the helical gear dies, knocking out the spiral angle formed spur gear, and manufacturing a high precision helical gear by treating the surface of the extruded helical gear.
    • 目的:提供一种能够通过分别制造正齿轮模具和斜齿轮模具来大量生产高精度螺旋齿轮的成形方法。 构成:在螺旋齿轮的成形方法中,用于批量生产高精度螺旋齿轮的成形方法包括分别制造正齿轮模和螺旋齿轮模的第一过程; 在挤出成型工序中通过正齿轮模具在流动方向上在金属材料上形成突出和凹陷的第二过程,并且再次在金属材料的突起和凹陷部分上形成齿端,间距和齿根; 以及在正齿轮的一排齿上形成一定螺旋角的第三过程,其通过斜齿轮模具完成第二过程,将螺旋角形成的正齿轮撞出,并通过处理 挤出斜齿轮。
    • 4. 发明授权
    • 고정밀 헬리컬 기어의 대량생산을 위한 성형방법.
    • 고정밀헬리컬기어의대량생산을위한성형방법。
    • KR100423762B1
    • 2004-03-22
    • KR1020010044114
    • 2001-07-23
    • 김철정성윤박준홍최재찬
    • 김철최재찬박준홍정성윤
    • B21H5/00
    • PURPOSE: A forming method which is capable of mass producing high precision helical gears by separately fabricating spur gear dies and helical gear dies is provided. CONSTITUTION: In a forming method of helical gears, the forming method for mass producing high precision helical gears comprises first process of separately fabricating spur gear dies and helical gear dies; second process of forming prominence and depression on a metallic material in a flow direction through the spur gear dies in the extrusion molding process, and forming tooth ends, pitches and tooth roots again on the prominence and depression part of the metallic material; and third process of forming a certain spiral angle on a row of teeth of a spur gear completing the second process through the helical gear dies, knocking out the spiral angle formed spur gear, and manufacturing a high precision helical gear by treating the surface of the extruded helical gear.
    • 目的:提供一种能够通过分别制造正齿轮模和斜齿轮模大量生产高精度螺旋齿轮的成形方法。 构成:在螺旋齿轮的成形方法中,批量生产高精度斜齿轮的成形方法包括分别制造正齿轮模和斜齿轮模的第一过程; 第二步骤,在挤压成型过程中,通过正齿轮模具在金属材料上沿流动方向形成突起和凹陷,并且在金属材料的突起和凹陷部分上再次形成齿端,节距和齿根; 以及在正齿轮的一排齿上形成特定螺旋角的第三过程,通过螺旋齿轮模完成第二过程,敲出形成螺旋角的正齿轮,并且通过处理螺旋角形成的正齿轮的表面来制造高精度斜齿轮 挤压螺旋齿轮。
    • 5. 发明授权
    • 스크루 제조용 리세스펀치의 성형방법
    • 用于螺丝制造的成形冲压机的成型方法
    • KR100486947B1
    • 2005-05-03
    • KR1020020005286
    • 2002-01-30
    • 김재훈최재찬박준홍김철
    • 최재찬김철박준홍
    • B21K5/00
    • 본 발명은 홉마스터의 수명단축에 위한 경제적 손실을 없애고, 제조공정을 줄이게 되면서 대량생산이 가능하며 펀치의 수명을 연장시키고 정밀도가 상승되는 스크류 제조용 리세스펀치 성형방법을 제공하기 위해서 본 발명은, 제1 환봉소재(20')가 상부에서 하강하는 펀치에 의해 중앙에 사각홀이 형성되는 섕크(20)로 성형되는 공정과, 헤드성형홈(32)이 형성된 제1 상부금형 아래로 관 형상의 하부금형을 장착하고, 상기 하부금형 내부로 투입된 제2 환봉소재(10')를 하부에서 펀칭하여 상기 제2 환봉소재의 상부 끝에 십자형 성형부(12)가 형성되면서 펀치헤드(10)가 성형되는 공정과, 제2 상부금형(50) 아래로 상기 펀치헤드(10)와 섕크(20)를 투입시킨 뒤 하부에서 펀칭하여 생크의 사각홀(24) 내부에 펀치헤드(10)의 하부가 억지끼움에 의해 조립되어 리세스펀� �(100)가 성형된다.
    • 6. 发明公开
    • 스크루 제조용 리세스펀치의 성형방법
    • 用于螺钉制造的成型冲压机的成型方法
    • KR1020030065608A
    • 2003-08-09
    • KR1020020005286
    • 2002-01-30
    • 김재훈최재찬박준홍김철
    • 최재찬김철박준홍
    • B21K5/00
    • B21K5/00B21J5/02B21J5/12
    • PURPOSE: A method for molding recess punch for screw manufacturing is provided which is capable of mass-producing screw by improving life time of the punch. CONSTITUTION: The method for molding recess punch for screw manufacturing comprises processes of molding first round bar workpiece into shank(20) at the center of which rectangular hole(24) is formed by punch descended from the upper side; molding punch head(10) as a cross shaped molding part is being formed at the upper end of the second round bar workpiece by mounting a pipe shaped lower die on the lower part of first upper die on which head molding groove is formed and punching second round bar workpiece injected into the lower die from the lower side; and molding the punch head(10) into the recess punch by punching the punch head from the lower side after injecting the punch head(10) and shank(20) into the lower side of second upper die(50) so that a lower part of the punch head(10) is assembled into the rectangular hole(24) of the shank by interference fit.
    • 目的:提供一种用于螺纹制造的凹模冲压件的成形方法,其能够通过提高冲头的寿命来大量生产螺杆。 构成:用于模制用于螺杆制造的凹陷冲头的方法包括将第一圆棒工件成型为在其中心处的柄(20)的工艺,其中的中心通过从上侧冲下形成矩形孔(24) 在第二圆棒工件的上端形成十字形的成型部件的成形冲头(10),其中,在第一上模具的下部形成有管形的下模,其上形成有头模槽,冲压第二 圆棒工件从下侧注入下模; 并且在将冲头(10)和柄(20)注入第二上模(50)的下侧之后,通过从下侧冲压冲头而将冲头(10)成型到凹部冲头中,使得下冲头 通过过盈配合将打孔头(10)组装到柄的矩形孔(24)中。
    • 8. 发明授权
    • 비닐포장용 비닐 분리기.
    • 用于塑料包装的乙烯基分离器。
    • KR100342100B1
    • 2002-06-26
    • KR1019990030703
    • 1999-07-22
    • 김철최재찬
    • 김철
    • B65B17/00
    • PURPOSE: A vinyl separator for vinyl wrapping is provided to adopt a vinyl separator to an automated assembling line, to save energy by using a small amount of compressed air, and to remove the necessity of an additional device for the removal of static electricity. CONSTITUTION: A vinyl separator includes a transferring table(24) moving in both directions by an air cylinder(30). Air grippers(10) are assembled with the front and rear lower portions of a fixed table(20) fixed in the transferring table. A roller for the removal of static electricity is placed in the upper portion of a body(100). The static electricity removal roller removes the dust and static electricity of vinyl(60) before the vinyl is separated by the grippers. For the effective removal of the static electricity, oblique grooves are formed in the roller.