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在活塞中镶耐磨环座,可以减小环端面与环槽上下侧面的磨损,改善发动机的技术状况与延长使用寿命,当前在较大输出功率的柴油机普遍地采用在活塞中镶耐磨环座(特别是顶环)的设计,一般镶耐磨环座后的活塞可延长使用寿命2～4倍。 耐磨环座与活塞本体是二种不同的材料,需要可靠的结合,以保证活塞的正常运行,结合方法有金属金相结合(如AL-FIN)工艺,与机械结合,或二者同时采用,要保证获得金属金相结合不容易,工艺较复杂,要有熟练的操作技术,也容易产生废品,所以生产成本较高。
In the piston inserts wear ring seat, can reduce the ring face and groove on the upper and lower side of the wear and tear to improve the technical condition of the engine and extend the service life, the current output power in the larger diesel engines commonly used in wear piston rings Block (especially the top ring) design, the general wear ring seat after the piston can extend the life of 2 to 4 times. Wear ring seat and piston body are two different materials, the need for reliable combination to ensure the normal operation of the piston, the combination of metal-metal combination (such as AL-FIN) process, and mechanical combination, or both , To ensure that access to the metal is not easy to combine, process more complex, have a skilled operating techniques, but also prone to waste, so the higher production costs.