輪胎平衡法碼這樣會太多嗎? - 汽車
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By Quanna
at 2023-03-03T10:34
at 2023-03-03T10:34
Table of Contents
※ 引述《freshwine (fresh1997)》之銘言:
: https://i.imgur.com/J4VBK00.jpg
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: 小弟最近去換了新的鋁圈跟輪胎,昨天牽回來細看一下發現居然貼了13個法碼…
: 請問這樣是正常的嗎?
先講結論:正常
13個配重塊(應該65g)比建議的值高
但只要開起來不會抖動就好
1. 看看180度對角是不是剛好是氣嘴位置
若有胎壓偵測的話,含氣嘴重30~50g都很正常
2. 那配重塊高機率是鐵質的表面電鍍(拿磁鐵吸檢查看看)
同重量下真正鉛質的體積會更小,就不會這麼長一排
再不然也有10g的(比較厚),至少不用黏整排角度離該位置太多
3. 正確的裝胎
輪胎:紅點標示縱向剛性最大處、黃點標示最輕位置
輪框:白點為偏心標記(再怎樣都不可能有真正的圓)
新胎裝新框:輪胎紅點對輪框白點
新胎裝舊框:輪胎黃點對輪框最重的位置
通常師傅會選氣嘴處,
但最重處不一定在那(單輪框上平衡機才知道)
像米牌、馬牌沒有標黃點,直接跑平衡機
若顯示配重超過50g
細心的師傅會翻胎:90度180度都有,找到可以較少配重塊的搭配
省時間的就直接依照機器建議的數據,黏一排上去
反正鐵質配重塊比鉛質便宜
對輪胎店來說時間成本更重要(類似餐廳拚翻桌率)
4. 平衡機不一定有定期校正
給的配重建議值.....真的只是建議
重點是方向盤不要抖動,所以為什麼裝胎後輪胎店都會去附近繞繞
5. 一個新輪胎和磨耗過的舊輪胎有可能差到500g以上
甚至原廠四輪定位數據下
輪胎隨里程累積一樣有偏側磨耗(所以才要定期調胎和重新跑平衡機)
嚴謹一點的做法當然是找到最佳的胎圈搭配(最少配重)
但每一次拆裝胎對店家來說都是時間成本
所以乾脆一次黏一排省時省力
配重是高了點但也不是不行
多半時候只是看起來很醜或是奇摩子問題而已
--
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汽車
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