| 摘要 |
The present invention relates to a hole clamping device for clamping a processing hole formed in an irregularly processed article which is difficult to clamp. The present invention operates an operation unit capable of including a wedge by using an air cylinder and includes a clamping unit moving to the outside by the operation unit in the housing of the clamping unit. By the composition, the provided hole clamping device is able to: clamp a processed article of an irregular shape without damage to appearance by clamping the processed article, which is difficult to clamp because of the irregular shape, by forming the clamping unit capable of clamping a processed hole formed on the processed article; and easily set a starting point by clamping the processed hole when performing the post-processing of the processed article after a machine tool. |
