每一千公里換機油是迷思嗎 - 機車
By Steve
at 2016-05-26T00:44
at 2016-05-26T00:44
Table of Contents
大家好
我來回月經文騙P幣啦
reference:汽車原理 全華出版
機油劣化有幾個原因
1.沖淡:部分汽油進入汽缸後沒有汽化,從活塞環和汽缸壁之間沖進機油裡
冷車的時候情形會較為嚴重
2.固體物:機件磨擦的金屬屑和一些燃燒過後的副產品
3.碳:當車子溫度很高的時候(拉轉、跑山),機油附著於高熱金屬產生
4.膠質及膠油:汽油燃燒不完全、機油在高溫下產生
5.水分:曲軸吹漏氣含有大量水蒸氣,引擎熄火後,水蒸汽凝結成水滴
順便講水蒸氣由來 CxHy + (4x+y)/4 O2 -> xCO2 + y/2"H2O"
只要燃燒就有
那以上的東西太多會怎樣呢?
簡單來說 機油潤滑性會下降、會有油泥阻塞油道,堆積垃圾在一些引擎死角
因為我常常在拉轉 只要不是在市中心 轉速不會低於八千
而且一個禮拜會跑一次長途150KM UP 這長途常常是山路
所以第3、4應該蠻嚴重的XDDD
如果今天車主都順順騎 而且都是短途 那應該可以慢點換
但是短途的話 車子常常在冷車情況騎 理論上第1、4應該也會不少
所以也不能太晚換(?
至於車子到底能撐多久才換,因素太多惹
車子品質、使用者習慣都會影響到
我是都照原廠手冊走喇
以上如有錯誤歡迎指正 謝謝~
--
我來回月經文騙P幣啦
reference:汽車原理 全華出版
機油劣化有幾個原因
1.沖淡:部分汽油進入汽缸後沒有汽化,從活塞環和汽缸壁之間沖進機油裡
冷車的時候情形會較為嚴重
2.固體物:機件磨擦的金屬屑和一些燃燒過後的副產品
3.碳:當車子溫度很高的時候(拉轉、跑山),機油附著於高熱金屬產生
4.膠質及膠油:汽油燃燒不完全、機油在高溫下產生
5.水分:曲軸吹漏氣含有大量水蒸氣,引擎熄火後,水蒸汽凝結成水滴
順便講水蒸氣由來 CxHy + (4x+y)/4 O2 -> xCO2 + y/2"H2O"
只要燃燒就有
那以上的東西太多會怎樣呢?
簡單來說 機油潤滑性會下降、會有油泥阻塞油道,堆積垃圾在一些引擎死角
因為我常常在拉轉 只要不是在市中心 轉速不會低於八千
而且一個禮拜會跑一次長途150KM UP 這長途常常是山路
所以第3、4應該蠻嚴重的XDDD
如果今天車主都順順騎 而且都是短途 那應該可以慢點換
但是短途的話 車子常常在冷車情況騎 理論上第1、4應該也會不少
所以也不能太晚換(?
至於車子到底能撐多久才換,因素太多惹
車子品質、使用者習慣都會影響到
我是都照原廠手冊走喇
以上如有錯誤歡迎指正 謝謝~
--
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機車
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