KIM, IL HWANKR,김일환,AN, BYUNG CHULKR,안병철,SONG, GEUN SOOKR,송근수,JUNG, IN TAEKR,정인태
申请号：
KR1020150156455
公开号：
KR1016322400000B1
申请日:
2015.11.09
申请国别(地区):
KR
年份:
2016
代理人:
摘要：
The present invention relates to a method for manufacturing a bone fixing screw. The method for manufacturing a bone fixing screw comprises: a first step of interlocking a round bar-shaped material with a main chuck, and forming a first guide groove in the center of the material a second step of forming a screw part fastened to a bone on the outer side of the material, and forming at least one tapping groove on the screw part a third step of forming a flat blocking plane to a predetermined length on the rear end of the screw part, and forming a body part implanted in the bone by removing the blocking plane a fourth step of forming a head part which presses the bone on the rear end of the body part, and forming a fixing part extended from the rear end of the head part a fifth step of interlocking the outer side of the fixing part with an auxiliary chuck, and cutting the material between the main chuck and the auxiliary chuck to form a separated semi-product a sixth step of forming a tool groove from the fixing part to the head part, and forming a second guide groove which communicates with the first guide groove form the fixing part to the body part and a seventh step of converting the tool groove into a square groove, and cutting the fixing part of the semi-product separated from the auxiliary chuck to complete the bone fixing screw. Accordingly, the present invention can reduce man-hours and enhance productivity by discharging a cutting chip in a shape of a semi-circular ring by the blocking plane, and can prevent defects by preventing the screw from leaning downwards during processing by the fixing part.COPYRIGHT KIPO 2016본 발명은 뼈 고정용 나사를 제조하는 방법에 관한 것으로 그 구성의 특징으로서, 환봉의 소재가 메인척에 맞물려지고, 상기 소재의 중앙에 제1가이드홈을 형성하는 1단계 상기 소재의 외면에 뼈와 체결되는 나사부를 형성하고, 상기 나사부 상에 하나 이상의 탭핑홈을 형성하는 2단계 상기 나사부의 후단에 설정한 길이까지 편평한 차단면을 형성하고, 상기 차단면을 제거하여 뼈에 식립되는 몸통부를 형성하는 3단계 상기 몸통부의 후단에 뼈를 압박하는 머리부를 형성하고, 상기 머리부의 후단에 연장되는 고정부를 형성하는 4단계 상기 고정부의 외면이 보조척에 맞물려지고, 상기 메인척과 보조척 사이의 소재를 절단시켜 분리된 반제품을 형성하
