| 摘要 |
The tray face on which the inserts are positioned has a coating comprising a spray coated oxide inner layer and a wear resistant outer layer of a carbide, nitride and/or oxide of a Group 4b, 5b or 6b metal or aluminium. - A graphite or ceramic tray for coating cutting tool inserts with a wear resistant coating using a CVD (Chemical Vapour Deposition) and/or MTCVD (Moderate Temperature Chemical Vapour Deposition) method in which the inserts are positioned on the tray has a face intended for contact with the inserts which has a coating comprising a spray coated oxide inner layer and a wear resistant outer layer of a carbide and/or nitride and/or oxide of at least one metal chosen from Group 4b, 5b, 6b and aluminium. |
