1784-KT

1784-KT

1784-KT

1784-KT

1784-KT

以能量复合为基础的复合加工是为了满足精密超精密加工、难加工材料加工、特殊材料加工而采用的加工方法，通常是2 种或2 种以上工艺方法的组合，

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在一台设备上完成同一结构的加工。这种复合加工方法的突出特点是2 种或2 种以上能量复合，其主要特征是在加工过程中工具与工件之间没有显著的切削力，加工用的工具材料硬度可以低于被加工材料的硬度，能用简单的运动加工出复杂的型面。

以能量复合为基础的复合加工技术具有较长时间的发展历史，重点是电解、超声、电火花、热能等与机械加工复合，满足精密加工、特种材料加工、难加工材料加工的加工需求。典型的复合加工方法有：电解在线修整磨削、超声振动切削、电解磨削、电火花超声加工、化学机械抛光等。

复合加工技术的典型应用实例

整体化薄壁结构零件是现代飞机、航空发动机结构中常见的设计形式，整体薄壁结构件不仅能满足飞机与发动机结构轻量化的设计追求，而且能满足航空产品易维护、高可靠性、长寿命的基本需求，零件主要特征是：(1)整体薄壁结构件通常壁厚尺寸小，一般只有1~3mm ;(2) 零件结构复杂，在多个方向上分布有形式不同的结构结构元素需要加工;(3)零件精度要求高，加工时装夹困难、加工过程中易产生加工变形;(4) 有些复杂结构零件采用钛合金、高温合金、高强度不锈钢等难加工材料，常规的加工方法材料去除效率低、难度大，且容易产生表面缺陷而影响零件寿命。

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