提出了一种大尺寸长条形超声塑焊开槽焊头的设计方法，并对其进行了实验验证。

A new design method for large cross-section blade-like ultrasonic plastic welding horns with slots is pre-sented, and relative experiments have been done to validate this method.

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注意需要塑出大概的形状，钢筋焊好之后，在外面扎一层钢丝网，然后开始塑造基础层粉刷。

Attention to the need to shape the shape of plastic, steel welding, after a layer of steel wire mesh, and then began to shape the basic layer of paint.

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注意需要塑出大概的形状臧，钢筋焊好之后，在外面扎一层钢丝网，然后开始塑造基础层粉刷。

Note about the shape of the need to model to the, steel welding, outside a layer of steel wire net, and then began to shape the base layer to paint.

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