Re: TNCAP 資料上線! - 鈑金

By Zora
at 2023-03-31T08:37
at 2023-03-31T08:37
Table of Contents
鈑金這議題闢謠好多次了
滿好奇歐洲車把鈑金做厚比較安全是怎麼傳開的
到現在變成一堆人根深蒂固的觀念.....
從文獻看
外門鈑件厚度約0.7 mm,鋁合金約1 mm
https://i.imgur.com/Mt0Na1O.jpg

冷軋強度約300 MPa,厚度0.6-0.9 mm,應用在外鈑件(引擎蓋、門、天花板)
https://i.imgur.com/rXldSPr.jpg

DOI: 10.21272/jes.2017.4(2).f8
以我接觸過的設計端
1. 白車身(body in white, BIW)CAD量到的
2. BOM表提供的數據資訊
內外門蒙皮厚度資訊大半都在0.7X mm
頂多是鋁合金厚度會出現1~1.1 mm
再來,如果是專門拆解做逆向量測的,會把車漆刮除再做量測
https://i.imgur.com/sHL2QsS.jpg

隨便拿個儀器去量烤漆的鈑件,說要量鈑件的厚度
那根本在唬爛人
然後用感覺才是最不正確的
會覺得輕薄,那是因為少了制振墊或加強肋
覺得車門重,有可能是車門鉸鏈,或是制振墊和隔音材料
絕對不是歐洲車鈑金做比較厚
把車門加厚,四個門+引擎蓋+天花板+葉子板大概會重個50-80公斤
歐洲車廠當然不是笨蛋,因為鈑金根本不需要做厚
但在那亂量鈑金厚度暗示安全性
這類的誤導就真的是把一般人當成笨蛋
※ 引述《anshley (想念卻不想見的人)》之銘言:
: 另外再回到"鋁罐車"這個詞
: 我一直有個納悶的點
: 常說板金薄對安全性沒有影響
: 我也相信安全不是靠那薄薄的鈑金來構成的
: 尤其是高速行駛
: 但反過來問
: 那歐系車商都是笨蛋嗎
: 用比較厚的鈑金造車
: 不僅成本墊高 增加車重增加耗油
: 這到底為哪樁??
: (車漆的厚度也是)
--
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