First, the material structure diagram

Second, the slice plane cross-sectional view

Third, the winding plan

Illustrate:

D1: indicates the shaft diameter 76.5mm ± 0.05mm

W1: the width of the winding surface 49.5 ± 0.1mm

D2: indicates the outer diameter of the product is 480m, the diameter is 215 ± 5mm, and the wound product is 1450m, the diameter is 150 ± 5mm

W: indicates product width, specifications 5.4 / 5.5 / 9.3 / 9.4 / 9.5 / 13.3 / 21.3mm.