Automobile accessory and high precision manufacturing method thereof

摘要: The invention provides an automobile accessory and a high precision manufacturing method thereof. the thereof solve problems that when existing is produced, tool edge shearing interval set according to stock thickness, rough edges of are excessively long shaping used cut edges, therefore circular hole influenced, weakness portion in middle warps deforms due influences like. comprises sheet body, wherein bending side walls arranged on two sides plurality holes formed walls. includes: (1) punching location hole; (2) precutting holes; (3) performing fine trimming engineering (4) burring (5) adjustment accessory. According thereof, stamping die improved processes precutting, which function cooperation code added so as enable be smooth improve holes, furthermore added, flatness requirements satisfied. Furthermore, guarantee eligible.