| 摘要 |
PURPOSE: A grit blasting apparatus having a longitudinal clamping device is provided to improve reliability of operation and convenience of use by securely moving a carriage not only the top of a longitudinal plate but also a ceiling regardless of longitudinal size. CONSTITUTION: A grit blasting apparatus having a longitudinal clamping device comprises a carriage(100), a clamping unit(200), and a spraying unit(300). The carriage moves along a longitudinal and the clamping unit and the spraying unit are respectively installed in the carriage. The clamping unit guides the carriage to be moved along the longitudinal. The spraying unit jets grits to a back side(2) of the longitudinal. |
