Single barrel
Barrel part
Size：Φ430×600mm
Materials：8mmpp domestic board for barrel body, splint 20mmPP board for，gear, splint. Axle sleeve，4 - 42 - tooth cast iron gear, transmission shaft withΦ20 brass rod connectingΦ 25 * 1.5 stainless steel tube, the barrel lifting rod with 38 * 38 * 3mm stainless steel, Pinion Stainless Steel flange，Conductive copper plate with 8 *50 copper .2 barrel drill withΦ4 , 45 degree oblique angle. The hole in a barrel roll chamfer with plastic strip.