stainless steel dry single-jet type apparatus of watermeter and the manufacturing process

摘要

PURPOSE: A water gauge of single-jet type made of stainless steel and a method for manufacturing the same are provided to prevent release of harmful material. CONSTITUTION: A method for manufacturing a water gauge of single-get type made of stainless steel comprises: a first step of preparing mold frame(13) of 1/2 divided structure having a mold(10) with a wax injection device to a circular wax core; a second step of preparing inner hole(14) which is able to insert an insertion hole to the side in a middle insertion hole; a step of inserting the insertion hole to the inner hole of the middle insertion hole; and a step of injecting wax through a wax inlet(15) to form circular wax core.