This machine with hermetically oil-sealed composite track. It is glued with the wheels of non-polishing material, which extend the service life greatly. It can process each kind of linear-shaped and outside curved-shaped and inner hole edge function. The head of grinder 360°free rotating, pack up saw blade can groove and cut. Moving automatically, semi-automatically and manually. It is high in machining precision, and greatly enhanced the working efficiency.
This is the model specially for polishing various irregular edges such as chicken mouth edge, French edges, duck mouth edge, big/small round edge, chess pieces edge, thickening chess pieces edge, etc.