自己設計鋁圈 - 汽車
By Olive
at 2020-04-22T13:13
at 2020-04-22T13:13
Table of Contents
一般輪圈剖面長這樣
https://i.imgur.com/ljlAKpf.jpg
紅色是rim(外框),藍色部分是你設計的disc(盤面)
https://i.imgur.com/DJyVyW4.jpg
1. 不合理的ET值
正offset太多導致輪框過度向內縮
有非常大的機率跟輪拱干涉
2. 結構不利於
(1) 彎曲力矩耐久
(2) 盤面剛性
(3) 自然模態(Tilt Mode & Rim Mode)
https://i.imgur.com/OhuAMoX.jpg
特別是轉折點絕對會產生應力集中,該處耐久會非常差
※ 引述《likemisyou (Miz)》之銘言:
: https://i.imgur.com/AUbEp9z.jpg
: https://i.imgur.com/PGDsGDN.jpg
: 如題
: 覺得市面上的框沒有我喜歡的
: 所以自己畫了一個
: 不知道有什麼要改進的地方
: 還是覺得很醜8+9
: 覺得少了什麼的感覺
: 預計是18吋為標準
: 可以討論看看
車用輪圈規範
歐洲:TUV的機動車輛法規StVZO,政府強制的檢驗制度
美國:SFI標準,依據SAE J326制定,非強制性
但保險業者只理賠有SFI標籤的輪圈
日本:VIA規範,主要根據JIS D4103, JASO C614制定試驗條件
由JAWA和VIA組成"日本自動車用輕合金製輪圈試驗協議會"
非政府組織,無強制性
台灣:依據"CNS 7135汽車用輕合金盤型輪圈"作為檢驗標準
以上幾個檢驗標準都包含:
1. 彎曲力矩耐久試驗
2. 13度衝擊試驗
3. 徑向負載耐久試驗(rolling)
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Tags:
汽車
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