KR20220092707A - 자동차 내장재 및 자동차 내장재를 성형하는 방법 - Google Patents
자동차 내장재 및 자동차 내장재를 성형하는 방법 Download PDFInfo
- Publication number
- KR20220092707A KR20220092707A KR1020200183404A KR20200183404A KR20220092707A KR 20220092707 A KR20220092707 A KR 20220092707A KR 1020200183404 A KR1020200183404 A KR 1020200183404A KR 20200183404 A KR20200183404 A KR 20200183404A KR 20220092707 A KR20220092707 A KR 20220092707A
- Authority
- KR
- South Korea
- Prior art keywords
- skin
- mold
- skin layer
- core
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2274/00—Thermoplastic elastomer material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/546—Flexural strength; Flexion stiffness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
이를 위해 본 발명의 자동차 내장재를 성형하는 방법은 일정 간격 이격된 상단 가열히터와 하단 가열히터 내로 인입된 스킨을 가열하는 단계; 가열된 스킨을 설정된 형상을 갖도록 설정된 금형온도 갖는 상부금형과 제2 금형온도를 갖는 하부금형을 이용하여 프리포밍하는 단계; 및 설정된 금형온도를 갖는 제1-1 금형과 제1-2 금형을 이용하여 프리포밍한 스킨과 코어를 압착하는 단계를 포함한다.
Description
도 2는 본 발명의 일실시 예에 따른 스킨의 구조를 도시하고 있다.
도 3은 본 발명의 일실시 예에 따른 스킨 가열공정을 도시하고 있다.
도 4는 본 발명의 일실시 예에 따른 스킨 프리포밍 공정을 도시하고 있다.
도 5는 본 발명의 일실시 예에 따른 코어와 스킨을 압착하는 압착 공정을 도시하고 있다.
도 6은 본 발명의 다른 실시 예에 따른 자동차 내장재를 제조하는 제조 공정을 도시하고 있다.
도 7은 본 발명의 또 다른 실시 예에 따른 자동차 내장재를 제조하는 제조 공정을 도시하고 있다.
304: 하부 가열히터
402: 상부금형
404: 하부금형
Claims (10)
- 열경화성 수지인 제1 스킨층;
상기 제1 스킨층의 하단에 접착되는 열가소성 수지인 제2 스킨층; 및
상기 제2 스킨층 하단에 접착되는 열가소성 수지인 제3 스킨층;을 포함하는 스킨으로 구성되고,
상기 스킨과 압착되는 수지로 구성되는 코어로 구성되는 자동차 내장재. - 제 1항에 있어서,
상기 제3 스킨층의 두께는 상기 제1 스킨층의 두께 또는 제2 스킨층의 두께보다 상대적으로 두꺼우며,
정지마찰계수와 운동마찰계수를 이용하여 산출한 상기 제1 스킨층의 촉감계수는 정지마찰계수를 이용하여 산출한 제2 스킨층의 소프트계수보다 상대적으로 큼을 특징으로 하는 자동차 내장재. - 일정 간격 이격된 상단 가열히터와 하단 가열히터 내로 인입된 스킨을 가열하는 단계;
가열된 스킨을 설정된 형상을 갖도록 설정된 금형온도 갖는 상부금형과 제2 금형온도를 갖는 하부금형을 이용하여 프리포밍하는 단계; 및
설정된 금형온도를 갖는 제1-1 금형과 제1-2 금형을 이용하여 프리포밍한 스킨과 코어를 압착하는 단계를 포함함을 특징으로 하는 자동차 내장재를 성형하는 방법. - 제 4항에 있어서,
상기 스킨은,
열경화성 수지인 제1 스킨층, 상기 제1 스킨층의 하단에 접착되는 열가소성 수지인 제2 스킨층 및 상기 제2 스킨층 하단에 접착되는 열가소성 수지인 제3 스킨층을 포함함을 특징으로 하는 자동차 내장재를 성형하는 방법. - 제 5항에 있어서,
상기 스킨을 가열하는 단계는,
제3 스킨층과 상대적으로 가까운 하단 가열히터의 온도를 상기 제1 스킨층가 상대적으로 가까운 상단 가열히터의 온도보다 높게 설정하며,
상기 프리포밍하는 단계는,
제3 스킨층과 상대적으로 가까운 하부금형의 금형온도를 상기 제1 스킨층에 상대적으로 가까운 상단금형의 금형온도보다 낮게 설정함을 특징으로 하는 자동차 내장재를 성형하는 방법. - 제 6항에 있어서,
상기 스킨과 코어를 압착하는 단계는,
코어에 밀착되는 제1-1 금형의 금형온도를 스킨에 밀착되는 제1-2 금형의 금형온도보다 상대적으로 높게 설정함을 특징으로 하는 자동차 내장재를 성형하는 방법. - 일정 간격 이격된 상단 가열히터와 하단 가열히터 내로 인입된 스킨을 가열하는 단계; 및
설정된 금형온도를 갖는 제3-1 금형과 제3-2 금형을 이용하여 가열한 스킨과 코어를 압착하는 단계를 포함함을 특징으로 하는 자동차 내장재를 성형하는 방법. - 제 8항에 있어서,
상기 스킨은,
열경화성 수지인 제1 스킨층, 상기 제1 스킨층의 하단에 접착되는 열가소성 수지인 제2 스킨층 및 상기 제2 스킨층 하단에 접착되는 열가소성 수지인 제3 스킨층을 포함함을 특징으로 하는 자동차 내장재를 성형하는 방법. - 제 9항에 있어서,
상기 스킨을 가열하는 단계는,
제3 스킨층과 상대적으로 가까운 하단 가열히터의 온도를 상기 제1 스킨층가 상대적으로 가까운 상단 가열히터의 온도보다 높게 설정하며,
상기 스킨과 코어를 압착하는 단계는,
코어에 밀착되는 제3-1 금형의 금형온도를 스킨에 밀착되는 제3-2 금형의 금형온도보다 상대적으로 높게 설정함을 특징으로 하는 자동차 내장재를 성형하는 방법.
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US6136415A (en) * | 1997-05-27 | 2000-10-24 | R + S Technik Gmbh | Vehicle interior trim panel with a soft-touch foam layer, and a method and apparatus for making the same |
EP1371476A1 (de) * | 2002-02-15 | 2003-12-17 | R+S Technik GmbH | Vorrichtung zum Herstellen von Innenverkleidungsteilen für Kraftfahrzeuge |
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