... are easy to adjust 1. Tooth Making Coping Machine XM-450 is in line with easy to learn, ... Through decades of market experience and training, the machine has become a very sophisticated one; it is ... back clearance angle, tooth depth, etc.5. This machine has a control button to adjust height difference of ... . The end of Feeding push claw of the machine, welding tungsten carbide sheet to reduce wear; push ...