| 摘要 |
PURPOSE:To improve the grinding efficiency in the method for grinding same face of stripe material several times by making a grinding unit rotatable around an axis parallel with normal line at the grinding portion of stripe material. CONSTITUTION:Stripe material 20 to be grinded is pulled from a coil set in a winding machine and passed between upper drum 11 and lower guides 2a, 2b in the arrow direction 20' to be set in the left winding machine. Upon rotation of motor, an endless grinding belt 17 will rotate in the arrow direction 17' to gring the upper face of the stripe material 20 held between said belt 17 and guides 2a, 2b with predetermined pressure. With correspondence to periodic rotation of head pulley 15 around the shaft 15', the endless grinding belt 17 will move axially with same period on the outercircumferential face of a contact wheel 13 thereby almost all width of belt will perform grinding. Here, the grinding stripes of the grinding units 12, 13 will cross with the angle of approximately 60 deg.. |
