| 摘要 |
A method of cleaning and repairing the internal surface of hollow articles, mainly casting molds includes cleaning of defective sections, clearing of cracks, welding of defects, grinding of built-up layer. The cleaning of defective sections, clearing of cracks, welding of defects, grinding of built-up layer is carried out in standardized manner by one driving abrasive tool on elongated rod in horizontally located casting mold with preliminary removal of carbon deposit from internal surface and directed ejection of products. |
