KR960003851A - Manufacturing method of resin bonding start mold using high strength non-contraction cement - Google Patents

Manufacturing method of resin bonding start mold using high strength non-contraction cement Download PDF

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Publication number
KR960003851A
KR960003851A KR1019940016649A KR19940016649A KR960003851A KR 960003851 A KR960003851 A KR 960003851A KR 1019940016649 A KR1019940016649 A KR 1019940016649A KR 19940016649 A KR19940016649 A KR 19940016649A KR 960003851 A KR960003851 A KR 960003851A
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South Korea
Prior art keywords
cement
mold
resin
high strength
strength non
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KR1019940016649A
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Korean (ko)
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KR0168557B1 (en
Inventor
정재동
김남호
이영진
구자술
조성은
김일윤
Original Assignee
전성원
현대자동차 주식회사
박제윤
동양시멘트 주식회사
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Priority to KR1019940016649A priority Critical patent/KR0168557B1/en
Publication of KR960003851A publication Critical patent/KR960003851A/en
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Publication of KR0168557B1 publication Critical patent/KR0168557B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C1/00Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

본 발명은 고강도 무수푹 시멘트를 이용한 수지결합 시작금형의 제작방법에 관한 것으로서, 더욱 상세하게는 간이금형 제작시 고강도 무수축 시멘트를 수지와 함께 사용하므로써 제품의 품질을 향상시키고 제작공정 및 제작기간을 단축시키며 산업 폐기물의 양을 대폭 감소시킴은 물론 압축강도, 수축율 및 제반물성을 우수한 금형의 제작방법에 관한 것이다.The present invention relates to a method of manufacturing a resin bonding start mold using high strength anhydrous cemented cement, and more particularly, by using a high strength anhydrous cement with a resin in the production of a simple mold to improve the quality of the product and to improve the manufacturing process and manufacturing period. The present invention relates to a method of manufacturing a mold which reduces the amount of industrial waste by shortening and greatly reducing the amount of industrial waste.

Description

고강도 무수축 시멘트를 이용한 수지결합 시작금형의 제작방법Manufacturing method of resin bonding start mold using high strength non-contraction cement

내용없음No content

Claims (6)

(가)마스터 모델을 이용하여 다이용 석고 모델을 제작하고; (나)이 석고 모델에 일정한 제품두께를 갖는 시이트 왁스를 이용하여 석고 모델 표면위를 도포 및 이형처리하고; (다)상기 석고 모델과 외곽틀을 정위치에 고정시키고; (라)이렇게 완성된 석고 모델의 성형면에 수지를 도포하여 표면층을 형성시킨다음 수지와 규사 혼합물을 도포하여 커플링층을 형성시키고; (마) 상기 (라)의 커플링층이 반경화 또는 완전 경화한 상태에서 시멘트 모르타르를 타설하여 백업층을 형성시키고; (바) 12∼48시간동안 상온에서 양생시킨 다음; (사)자연 냉각시켜 탈형 및 사상하여 다이용 시멘트금형을 제작하는 공정과; (아)상기 (사)의 다이용 시메트금형을 기준모델로 하여 펀치 구조물과 블랭크 홀더 구조물을 제작하여 설치하고; (자)상기 (나)∼(사) 공정에 의해 펀치용 시멘트금형을 제작하는 공정으로 구성 되어있는 것을 특징으로 하는 고강도 무수축 시멘트를 이용한 수지결합 시작금형의 제작방법.(A) making a plaster model for the die using the master model; (B) apply and release the plaster model surface using sheet wax having a constant product thickness for this plaster model; (C) fixing the gypsum model and the frame in place; (D) applying a resin to the molding surface of the finished gypsum model to form a surface layer, and then applying a resin and silica sand mixture to form a coupling layer; (E) pouring cement mortar while the coupling layer of (d) is semi-cured or fully cured to form a backup layer; (F) curing at room temperature for 12-48 hours; (G) a step of forming a cement mold for die by demolding and finishing by naturally cooling; (H) making and installing a punch structure and a blank holder structure by using the die mold for die of (g) as a reference model; (I) A method for producing a resin-bonded starting mold using high strength non-condensing cement, characterized in that it comprises a step of producing a punch cement mold by the steps (b) to (g). 제1항에 있어서, 상기(라)과정의 수지로는 간이금형 제작용 표면층용 에폭시 수지와 적층을 에폭시 수지를 사용하는 것을 것을 특징으로 하는 고강도 무수축 시멘트를 이용한 수지결합 시작금형의 제작방법.The method of claim 1, wherein the resin of the step (d) comprises an epoxy resin for the surface layer epoxy resin for lamination and an epoxy resin for lamination. 제1항에 있어서, 상기(마)과정의 시멘트 모르타르는 고강도 무수축 시멘트 100중량부, 세골재 80∼120중량부 및 물 16∼24중량부로 이루어진 것을 특징으로 하는 고강도 무수축 시멘트를 이용한 수지결합 시작금형의 제작방법.The cement mortar according to claim 1, wherein the cement mortar of the (e) process is composed of 100 parts by weight of high strength non-condensed cement, 80 to 120 parts by weight of aggregate, and 16 to 24 parts by weight of water. How to make a mold. 제1항 또는 제3항에 있어서, 상기 (마)과정의 시멘트 모르타르 100중량부에 대여 강섬유를 4∼5.4 중량부 첨가하는 것을 특징으로 하는 고강도 무수축 시멘트를 이용한 수지결합 시작금형의 제작방법.4. The method of claim 1 or 3, wherein 4 to 5.4 parts by weight of the leased steel fibers are added to 100 parts by weight of the cement mortar in the step (e). 제1항 또는 제3항에 있어서, 상기 고강도 무수축 시멘트는 압축강도 1,200∼1,600㎏·f/㎠, 인장강도 140∼260㎏·f/㎠ 및 수축율 0.4∼1/10000의 물성을 갖는 것을 특징으로 하는 고강도 무수축 시멘트를 이용한 수지결합 시작금형의 제작방법.The method according to claim 1 or 3, wherein the high strength non-contraction cement has physical properties of 1,200 to 1,600 kg · f / cm 2 of compressive strength, 140 to 260 kg · f / cm 2 of tensile strength and 0.4 to 1/10000 shrinkage. Method for producing a resin bonding start mold using a high strength non-condensing cement. 제1항에 있어서, 상기 (아)과정의 펀치 구조물과 블랭크 홀더 구조물이 보강재료로는 토목용 철근을 사용하는 것을 특징으로 하는 고강도 무수축 시멘트를 이용한 수지결합 시작금형의 제작방법.The method of claim 1, wherein the punch structure and the blank holder structure of the (h) process using a high-strength non-contraction cement, characterized in that the reinforcing material using civil steel reinforcement. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940016649A 1994-07-11 1994-07-11 Method for manufacturing prototype mold in combination with resins using cement with high strength and non-shrinkage KR0168557B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940016649A KR0168557B1 (en) 1994-07-11 1994-07-11 Method for manufacturing prototype mold in combination with resins using cement with high strength and non-shrinkage

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Application Number Priority Date Filing Date Title
KR1019940016649A KR0168557B1 (en) 1994-07-11 1994-07-11 Method for manufacturing prototype mold in combination with resins using cement with high strength and non-shrinkage

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KR960003851A true KR960003851A (en) 1996-02-23
KR0168557B1 KR0168557B1 (en) 1999-01-15

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