ERROR ADJUSTABLE PIPE ENLARGING MOLD DEVICE

摘要

PURPOSE: An expandable mold device capable of error correction is provided to reduce time and cost for error correction on a mold by correcting error without mixing or replacing a mold during a products processing process. CONSTITUTION: An expandable mold device comprises a mold unit(110) and a transport unit(120). The mold unit has molding grooves containing the end of pipes and is divided into a plurality of molding piece. The transport unit uniformly transfers each molding pieces in all directions from the center of the pipe. The molding groove formed on the mold unit has the radius of curvature corresponding to a pipe expanding design standard.