推荐回答(3个)
请问捷达适合什么型号的火花塞:
1、绝大部分是1.1间隙的火花塞,捷达发动机型号为ABX和ACR的使用80套筒的WR8DCX+博世火花塞。
2、其他发动型号的使用博世的FR8DCX+火花塞,发动机号为BJG的点火间隙是0.9的,使用博世的FR7DC+火花塞。
火花塞技术:
1、通过电极之间的放电现象产生火花,汽油发动机是通过燃料和混合气体的适时燃烧使之产生动力,但是作为燃料的汽油即使处于高温环境下也很难自燃,要想使其适时燃烧有必要
2、在火花塞的中心电极和接地电极之间施加由点火装置所产生的高电压,由此电极间的绝缘状态被破坏而产生电流,放电生成电火花,火花能量决定能否使压缩混合气体点火爆发,放电现象是在极短时间内(约千分之一秒)完成的,且极为复杂。
3、火花塞所的作用就是必须在规定的时间内使电极之间切实产生强火花,成为混合气燃烧的始点。
4、由电火花所引起的点火是通过电极之间的火花放电而使燃烧粒子活性化,产生化学反应(酸性),并发生热效应,最终形成火焰核。该热能使其周围的混合气活性化,最终形成以自身燃烧为中心向周边扩大的火焰核。
火花塞必要的性能:
1、耐热性:可适应极热﹒极冷的情况,火花塞内部的受到的温度在混合气体燃烧时就达到了2000℃、在吸入行程中使低温气体受冷,让4冲程式发动机的急热急冷现象把发动机运转中,回转变成一回转,与此耐热性相同,也要求具有达不到表面着火的起点的放热性。
2、机械的强度:可以适应激烈的压力变化,在吸入行程中达到1气体压力以下,爆発行程中可达到45气压以上。唯一可以适应这种激烈压力变化的机械强度。
3、绝缘性:维持高电压的绝缘性,在急剧的温度变化压力变化反复的情况下,对于约10~30kV的高电压要求可以维持充分的绝缘性。
4、气密性:在恶略环境下保持气密性,在急剧的温度变化压力变化下,要求保持机械箱与绝缘体间的气密性。
5、耐消耗性:把电极的消耗降到最小,在恶略环境下,把电极的消耗降到最小,要求具有这种耐消耗性。
6、耐污损性:把燃烧的污垢减到最少,恶略环境下、抑制因混合气体燃烧而产生的电极的污垢。附着着的活性炭也会受热烧尽,从而达到自我清洁的要求。因此,即使是低速行驶,也可以迅速提升火花塞的温度,可达到(约500℃)。
7、火花塞的构造:
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捷达适用雷遁火花塞铱金型号
LDHRIPWF,K6RTCI(N01)、LDHDIK16(901),DK7RTAI(N19)(特殊新品上市),
LDHDIPDX(919),具体看引擎匹配
我2012款捷达发动机bjg刚换njk烈焰115cx。京东有自营,比原厂的耐用。发动机噪音明显变小,动力很足。原厂的火花塞拆下来燃烧不好,呈白色。
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