MANUFACTURING METHOD OF A HEADER FOR A HEAT EXCHANGER AND HEADER FOR A HEAT EXCHANGER MANUFACTURED THEREBY WHICH DO NOT REQUIRE FOR INSTALLING AN ADDITIONAL MANDREL

摘要

PURPOSE: A manufacturing method of a header for a heat exchanger and a header for a heat exchanger manufactured thereby are provided to improve a process for piercing radiation tube assembling holes. ;CONSTITUTION: A manufacturing method of a header for a heat exchanger is as follows. Radiation tube assembling holes are formed in a pipe member(100A) at uniform intervals using a punch(200) so that radiation tubes can be assembled. Three end points of the punch correspond to the circumference of the pipe member.;COPYRIGHT KIPO 2011