单独气缸芯子，直接安装到模具里面，要求与气缸接触处光滑，开孔要求比较高，体积比较小。
Single cylinder core, can be installed into the mould directly, require smoothness at the connection with the cylinder, high requirement of the hole drilling, smaller volume.
发动机机匣上安装凸台结构，可简化为机匣壳体开孔后用围壁和加强板组合补强的力学模型。
On engine cases, installation base can be simplified by a mechanics model, which is case shell with hole and a complex of enclosing wall and reinforcing plate for increase strength.
开孔安装，侧面进线形式。
用于平开铝门窗五金件安装孔槽的冲压；气动控制，工作稳定。
The machine is used for punch hardware holes of windows and doors and other holes or grooves in windows and doors.
用于平开铝门窗五金件安装孔槽的冲压；气动控制，工作稳定。
The machine is used for punch hardware holes of windows and doors and other holes or grooves in windows and doors.
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