切口模的应用提高了工效，降低了劳动强度，满足了批量生产的要求。
The application of the notching die increased work efficiency, lowered labor intensity, and met the demand of batch production.
分析了车厢内装饰件的冲压工艺，着重介绍了车厢内装饰件压形切口模的结构。
The technological process for stamping the decoration part inside the car was analyzed. And the structure of the pressing and piercing die for the decoration part was mainly introduced.
在工作过程中，冲头与凹模切口的半径定位，确保形成所需的圆形，而不至于在圆边产生“缺口”。
The radius of the punch and die cutting edges is laid out to produce the desired circular shape without nicking into the circle as the work proceeds.
分析了车厢侧板零件通风窗冲压加工的工艺特点，设计了一副针对该零件加工的切口拉伸复合模。
Analyzed press technology characteristics of vent-windows of the car side board, designed a lancing-drawing compound die.
其特点是：工作中模切刀垫底轴左右自动移位，旋转模切自动换位，使切口刀痕不重复，提高刀垫使用寿命。
Its characteristics are: the work of cutting knife around the bottom axis automatic shift, rotating cutting automatic transposition, the incision Daogen not repeat and improve knife pad life.
其特点是：工作中模切刀垫底轴左右自动移位，旋转模切自动换位，使切口刀痕不重复，提高刀垫使用寿命。
Its characteristics are: the work of cutting knife around the bottom axis automatic shift, rotating cutting automatic transposition, the incision Daogen not repeat and improve knife pad life.
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