2, crane machine. The initial main application of the flexible shaft machine is the desktop machine can not carry large jade carving works, usually with the use of such hand-held equipment as electric grinding, to complete the electric grinding can not be carried out in the details of the work. Since the fixed grinding head of a desktop machine is indeed not as flexible as a handle in handling certain types of objects, many people also choose to apply the flexible shaft machine to the carving of some smaller or more specialized pieces. Chuck type loading and unloading grinding head, foot switch, foot pedal to adjust the speed, the force is general, the speed is slower, can only use the diameter of 4mm or less iron rod specifications of the grinding head.
3. Electronic machine. Due to the ever-increasing requirements for the fineness of jade, jade cutters kept looking for and trying more favorable equipment. The dental machine is the Takuma people borrowed the dentist's medical equipment, his flexibility is currently the best of all models, so the main application of detailing, and in the rough work of almost no application value. Chuck type loading and unloading of the grinding head, foot/manual switch, foot/manual adjustment of the speed, less force, faster speed, can only use a kind of iron bar size grinding head.