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发明授权
CN105992462B 开孔装置 有权 转让

开孔装置
摘要：
本发明提供一种开孔装置，其制造效率优异、且能够抑制飞边的产生。开孔装置(1)具有：钻头(D)，其在工件(W)上开孔；主轴部(12)，其将钻头(D)保持成能够旋转；钻套(40)，其与主轴部(12)对置配置，并在工件(W)的开孔时朝主轴部(12)侧按压工件(W)；以及带状的片材(S)，其在工件(W)的开孔时被夹入钻套(40)和工件(W)之间。
摘要（英）：

The invention provides a boring device, which is excellent in manufacture effciency and prevents production of wrapping. The boring device (1) has a drilling head (D)which is boring on a workpiece (W), a main shaft (12) which maintains rotation, a drilling sleeve (40) which is configured to opposite to the main shaft (12) and is used for pressing the workpiece (W)toward the main shaft portion (12), and a striped sheet material (S) which is clamped between the drilling sleeve (40) and the workpiece (W) during the process of boring the workpiece (W).

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