活塞

经过修理的发动机的的运行可靠性和耐用性首先取决于所用活塞和安装工的工作质量。 须在维修发动机的过程中创造所有前提条件,使得 KS Kolbenschmidt 活塞的高品质完全有效。

发动机维修作业过程中的 KS Kolbenschmidt 活塞安装因此是随着发动机维修的准备或整修开始的。

所有原装 KS Kolbenschmidt 活塞是与匹配的活塞环、活塞销和活塞销锁环组装完成。

活塞结构类型

科尔本施密特是 OE 供应商,向全球所有著名发动机制造商提供零部件。 KS Kolbenschmidt 活塞在最现代化视角下研发和生产。 对于每款发动机类型,使用 KS Kolbenschmidt 合金方案的最佳适用合金和最合适的活塞设计。

梅施总是与活塞一起提供活塞环、活塞销和配套活塞销锁环。

带冷却通道、活塞销衬套和活塞环槽镶圈的柴油发动机活塞

具有锻造钢制顶部和铝制轴的铰接式活塞

带活塞环槽镶圈的重量优化 LiteKS® 设计的汽油发动机活塞

不同类型的活塞

浇铸式铸铁活塞环槽镶圈多倍提高柴油发动机活塞第一道环形槽的使用时间。科尔本施密特在铝肋活塞环槽镶圈连接研发方面占有领先地位。

硬质阳极氧化的环形槽防止汽油发动机用活塞磨损和微焊接。

激光淬火凹槽为钢活塞提供最佳的耐磨性和长期的使用时间。

KS Kolbenschmidt 活塞在活塞裙上具有特殊 LofriKS®、NanofriKS® 或石墨涂层。这防止发动机内部摩擦并提供良好自润滑性能。 LofriKS® 涂层同样会由于声音原因而投入使用。使用后,活塞倾斜噪音最小化。 NanofriKS® 是经过验证的 LofriKS® 涂层的进一步研发,包含氧化钛制成的纳米颗粒,来提高涂层的耐磨性和使用时间。

铁涂层的活塞裙 (Ferrocoat®) 保证在铝硅气缸表面 (Alusil®) 内使用时安全运行。

异型活塞销孔 (Hi-SpeKS®) 增强了铰接支座的动态承载性,从而提高活塞使用时间。

活塞术语和名称

1 Ø 凹槽
2 活塞头
3 凹槽
4 底边
5 活塞顶火力岸(活塞头部)
6 气环用槽
7 活塞环岸
8 槽底
9 凹环岸
10 槽侧面
11 刮油环用槽
12 回油孔
13 活塞销毂
14 槽间距安全环
15 安全环用槽
16 活塞销座内端面间的距离
17 配合
18 杆下边
19 活塞直径 90° 相对于销孔
20 活塞销孔
21 凹腔深度
22 杆局部
23 环局部
24 活塞压缩高度
25 活塞长度
26 机油冷却道
27 活塞环槽镶圈
28 活塞销衬套
29 Ø 测量窗
30 顶高

上止点区域缝隙尺寸和活塞长度

缝隙尺寸

对于缝隙尺寸 (B),理解为上止点区域到气缸体密封面的超出或退后距离。 气缸盖密封垫圈的厚度和气缸盖内可能的深化在测量中都会体现。 这一尺寸也称为“铅丝尺寸”。

不同发动机变型在上止点区域的活塞凸出量尺寸或不到尺寸

尺寸 C 理解为活塞在上止点区域相对于缸体密封面的超出距离(标为 +)或不到距离(标为 -)。 气缸盖的密封厚度或几何形状保持不考虑在内。

湿式缸套发动机下,同样基于气缸体面测量活塞超出或不到距离。 缸套的超出量或已有的台肩楼边高度不考虑在内。

散热片式发动机下,尺寸 C 与活塞底部及气缸盖在带散热片的气缸的间隔距离有关。

为了调节活塞凸出量,除标准活塞外还可以提供压缩高度减小的活塞。

对于活塞而言,不得为了调节活塞凸出量而旋转底部。

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