Dovetail Cutters,Dovetail Milling Cutter,Straight Shank Dovetail End Mill,Dovetail End Mill Cutter Supal(changzhou)Precision Tools Co.,Ltd , https://www.endmillpro.com Manufacturing the chain hoist zipper ring (Fig. 1), because of the small batch size, the manufacturing cost is high and the cycle is long. To this end, I designed a mandrel and an adjustment block, which was wound on a C618 lathe. When working, press the adjusting block (Fig. 2) on the tool holder with screws, and insert the mandrel (Fig. 3) on the three-jaw chuck of the lathe, pass the φ5mm round steel through the round hole of the adjusting block, and insert the mandrel.
Simple bending of the chain hoist chain