... chamfering machine 1. internal external angle chamfering 2. flat surface chamfering 3. low noisy,high efficiency Chamfering Machine GM-80AGM-80A, a kind of facing operation machine ... with manual feeding, automatic knife tool penetration and retraction, can figure tube to exact angle easily. Besides, chamfering ... air pressureKgf4—64. Related Configurationa) Machine tool is a kind of weld ...