Patent ID: 8453545

Claim:
A machining method comprising: providing a machine tool, the machine tool comprising a bed, a main spindle located over the bed, a first tool rest, a first tool mounted on the first tool rest, a first driving mechanism moving the first tool rest, a second tool rest, a second tool mounted on the second tool rest, a second driving mechanism moving the second tool rest and a control device, such that the first tool and the second tool move along the same direction, and machine a processing surface of a first workpiece in order; mounting the first workpiece on the main spindle of the machine tool; moving the first tool rest by the first driving mechanism and testing the first tool to set a reference point of the first tool; moving the first workpiece under the second tool; moving the second tool rest by the second driving mechanism and testing the second tool to set a reference point of the second tool; machining the processing surface of the first workpiece by the first tool; moving the first workpiece under the second tool; machining the processing surface of the first workpiece by the second tool; moving a second workpiece under the first tool, wherein the second workpiece comprising a processing surface; moving the first tool rest and the second tool rest at the same time by the first driving mechanism and the second driving mechanism and setting a second reference point of the first tool; machining the processing surface of the second workpiece by the first tool; moving the second workpiece under the second tool; and machining the processing surface of the second workpiece by the second tool.