Patent ID: 8662134
Filing Date: 2014-03-04
Classification: B24B,B29D

Abstract:
1. A buffing machine for removing rubber from a tire casing to produce a predetermined target circumference on the casing, the buffing machine adapted to rotatably mount the tire casing onto a rim, the rim associated with a rim motor arranged to rotate the rim about a central axis, the buffing machine comprising: a cutting device including an electric motor and disposed on a moveable arm such that the cutting device is adapted to selectively engage the tire casing at several iterative cutting depths; a position sensor associated with the moveable arm and disposed to provide a position signal indicative of the position of the cutting device in a radial direction from the central axis about which the tire casing is rotatable, the buffing machine being configured to use said position signal to provide a circumference signal also being disposed to provide a circumference signal indicative of a circumference of the tire casing that is indicative of a radial distance between the central axis and an outer surface of the tire casing; and, an electronic controller connected to the position sensor and the cutting device, the electronic controller being programmed to: