活塞环

检修发动机时,KS Kolbenschmidt 活塞环套件是重要元件。 对于发动机的间隔检修来说,我们建议检查活塞可继续使用性,并更换活塞环和缸套。 由此保证活塞环和工作面磨合顺利。

通常,分为气环、刮环和刮油环。 正常情况下,都能将燃烧室和曲轴箱相互密封。 气环防止燃烧气体从燃烧室窜入曲轴箱。
刮环将密封环和刮油环的功能集于一身;主要将燃烧气体与曲轴箱分离,从缸壁上刮下多余机油。

刮油环的任务就是将缸壁上多余机油刮下,尽可能阻止润滑油进入燃烧室。 滑动件润滑充分时和同时燃气进入尽可能低的情况下,机油消耗低。

密封环的基本任务是在导热过程中将活塞热量传递到气缸壁上。 第一个环承担主要部分,随后的环承担较小部分。惯性力和燃气压力以及高温对活塞环提出了很高的技术要求。 只有通过与相应的发动机准确的匹配,才能达到最佳的使用时间,并符合废气规定的要求。

工作面涂层

铬化的工作面活塞环在滑动耦合件时降低磨损,提高使用时间。

喷钼环具有高温稳定性,具有非常好的自润滑性能。

具有铬黄-陶瓷涂层的活塞环降低气缸磨损并提供最长使用寿命。

球形环工作面缩短起动时间,并从一开始提供最佳滑动特性。

梯形密封环防止环形槽内结块并确保无故障运行。

环前侧和后侧的不同形状为每种活塞环提供各自的应用。

缩写名称
CK

铬黄-陶瓷

CR铬化工作面
FXferrox 填充工作面
MO喷钼涂层工作面
NT氮化工作面
PC等离子涂层工作面

材料

等级符合
ISO 6621-3
平均值
E-M (N/mm²)
抗弯强度
E-M (N/mm²)
硬度
12100 000350

95HRB

22115 000450106 HRB
23115 000450400 HV5
24115 000500108 HRB
53160 0001 30095 HRB
55160 0001 30095 HRB
61200 000-33-44 HRC
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